aaaa

crates/api_common/src/context.rs

@@ -28,7 +28,7 @@ impl LemmyContext {
       rate_limit_cell,
     }
   }
-  pub fn pool(&self) -> &DbPool {
+  pub fn pool(&self) -> impl GetConn {
     &self.pool
   }
   pub fn client(&self) -> &ClientWithMiddleware {

crates/api_common/src/utils.rs

@@ -24,7 +24,7 @@ use lemmy_db_schema::{
     registration_application::RegistrationApplication,
   },
   traits::{Crud, Readable},
-  utils::DbPool,
+  utils::{DbPool, GetConn},
   RegistrationMode,
 };
 use lemmy_db_views::{comment_view::CommentQuery, structs::LocalUserView};
@@ -50,7 +50,7 @@ use url::{ParseError, Url};
 
 #[tracing::instrument(skip_all)]
 pub async fn is_mod_or_admin(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   person_id: PersonId,
   community_id: CommunityId,
 ) -> Result<(), LemmyError> {
@@ -63,7 +63,7 @@ pub async fn is_mod_or_admin(
 
 #[tracing::instrument(skip_all)]
 pub async fn is_mod_or_admin_opt(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   local_user_view: Option<&LocalUserView>,
   community_id: Option<CommunityId>,
 ) -> Result<(), LemmyError> {
@@ -101,7 +101,7 @@ pub fn is_top_mod(
 }
 
 #[tracing::instrument(skip_all)]
-pub async fn get_post(post_id: PostId, pool: &DbPool) -> Result<Post, LemmyError> {
+pub async fn get_post(post_id: PostId, mut pool: &mut impl GetConn) -> Result<Post, LemmyError> {
   Post::read(pool, post_id)
     .await
     .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_post"))
@@ -111,7 +111,7 @@ pub async fn get_post(post_id: PostId, pool: &DbPool) -> Result<Post, LemmyError
 pub async fn mark_post_as_read(
   person_id: PersonId,
   post_id: PostId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<PostRead, LemmyError> {
   let post_read_form = PostReadForm { post_id, person_id };
 
@@ -124,7 +124,7 @@ pub async fn mark_post_as_read(
 pub async fn mark_post_as_unread(
   person_id: PersonId,
   post_id: PostId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<usize, LemmyError> {
   let post_read_form = PostReadForm { post_id, person_id };
 
@@ -197,7 +197,7 @@ pub fn check_user_valid(
 pub async fn check_community_ban(
   person_id: PersonId,
   community_id: CommunityId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<(), LemmyError> {
   let is_banned = CommunityPersonBanView::get(pool, person_id, community_id)
     .await
@@ -212,7 +212,7 @@ pub async fn check_community_ban(
 #[tracing::instrument(skip_all)]
 pub async fn check_community_deleted_or_removed(
   community_id: CommunityId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<(), LemmyError> {
   let community = Community::read(pool, community_id)
     .await
@@ -236,7 +236,7 @@ pub fn check_post_deleted_or_removed(post: &Post) -> Result<(), LemmyError> {
 pub async fn check_person_block(
   my_id: PersonId,
   potential_blocker_id: PersonId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<(), LemmyError> {
   let is_blocked = PersonBlock::read(pool, potential_blocker_id, my_id)
     .await
@@ -270,7 +270,7 @@ pub fn check_private_instance(
 #[tracing::instrument(skip_all)]
 pub async fn build_federated_instances(
   local_site: &LocalSite,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<Option<FederatedInstances>, LemmyError> {
   if local_site.federation_enabled {
     // TODO I hate that this requires 3 queries
@@ -334,7 +334,7 @@ pub fn send_email_to_user(
 
 pub async fn send_password_reset_email(
   user: &LocalUserView,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
 ) -> Result<(), LemmyError> {
   // Generate a random token
@@ -358,7 +358,7 @@ pub async fn send_password_reset_email(
 pub async fn send_verification_email(
   user: &LocalUserView,
   new_email: &str,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
 ) -> Result<(), LemmyError> {
   let form = EmailVerificationForm {
@@ -449,7 +449,7 @@ pub fn send_application_approved_email(
 /// Send a new applicant email notification to all admins
 pub async fn send_new_applicant_email_to_admins(
   applicant_username: &str,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
 ) -> Result<(), LemmyError> {
   // Collect the admins with emails
@@ -474,7 +474,7 @@ pub async fn send_new_applicant_email_to_admins(
 pub async fn send_new_report_email_to_admins(
   reporter_username: &str,
   reported_username: &str,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
 ) -> Result<(), LemmyError> {
   // Collect the admins with emails
@@ -495,7 +495,7 @@ pub async fn send_new_report_email_to_admins(
 pub async fn check_registration_application(
   local_user_view: &LocalUserView,
   local_site: &LocalSite,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<(), LemmyError> {
   if (local_site.registration_mode == RegistrationMode::RequireApplication
     || local_site.registration_mode == RegistrationMode::Closed)
@@ -529,7 +529,7 @@ pub fn check_private_instance_and_federation_enabled(
 
 pub async fn purge_image_posts_for_person(
   banned_person_id: PersonId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
   client: &ClientWithMiddleware,
 ) -> Result<(), LemmyError> {
@@ -552,7 +552,7 @@ pub async fn purge_image_posts_for_person(
 
 pub async fn purge_image_posts_for_community(
   banned_community_id: CommunityId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
   client: &ClientWithMiddleware,
 ) -> Result<(), LemmyError> {
@@ -575,7 +575,7 @@ pub async fn purge_image_posts_for_community(
 
 pub async fn remove_user_data(
   banned_person_id: PersonId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
   client: &ClientWithMiddleware,
 ) -> Result<(), LemmyError> {
@@ -659,7 +659,7 @@ pub async fn remove_user_data(
 pub async fn remove_user_data_in_community(
   community_id: CommunityId,
   banned_person_id: PersonId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<(), LemmyError> {
   // Posts
   Post::update_removed_for_creator(pool, banned_person_id, Some(community_id), true).await?;
@@ -689,7 +689,7 @@ pub async fn remove_user_data_in_community(
 
 pub async fn delete_user_account(
   person_id: PersonId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
   client: &ClientWithMiddleware,
 ) -> Result<(), LemmyError> {

crates/apub/src/activities/block/mod.rs

@@ -21,7 +21,7 @@ use lemmy_api_common::{
 use lemmy_db_schema::{
   source::{community::Community, person::Person, site::Site},
   traits::Crud,
-  utils::DbPool,
+  utils::{DbPool, GetConn},
 };
 use lemmy_db_views::structs::SiteView;
 use lemmy_utils::{error::LemmyError, utils::time::naive_from_unix};
@@ -118,7 +118,10 @@ impl SiteOrCommunity {
   }
 }
 
-async fn generate_cc(target: &SiteOrCommunity, pool: &DbPool) -> Result<Vec<Url>, LemmyError> {
+async fn generate_cc(
+  target: &SiteOrCommunity,
+  mut pool: &mut impl GetConn,
+) -> Result<Vec<Url>, LemmyError> {
   Ok(match target {
     SiteOrCommunity::Site(_) => Site::read_remote_sites(pool)
       .await?

crates/apub/src/api/resolve_object.rs

@@ -33,7 +33,7 @@ pub async fn resolve_object(
 async fn convert_response(
   object: SearchableObjects,
   user_id: PersonId,
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<Json<ResolveObjectResponse>, LemmyError> {
   use SearchableObjects::*;
   let removed_or_deleted;

crates/apub/src/lib.rs

@@ -9,7 +9,7 @@ use lemmy_db_schema::{
     local_site::LocalSite,
   },
   traits::Crud,
-  utils::DbPool,
+  utils::{DbPool, GetConn},
 };
 use lemmy_utils::{error::LemmyError, settings::structs::Settings};
 use once_cell::sync::Lazy;
@@ -98,7 +98,7 @@ pub(crate) struct LocalSiteData {
 }
 
 pub(crate) async fn fetch_local_site_data(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
 ) -> Result<LocalSiteData, diesel::result::Error> {
   // LocalSite may be missing
   let local_site = LocalSite::read(pool).await.ok();

crates/apub/src/mentions.rs

@@ -9,7 +9,7 @@ use lemmy_api_common::context::LemmyContext;
 use lemmy_db_schema::{
   source::{comment::Comment, person::Person, post::Post},
   traits::Crud,
-  utils::DbPool,
+  utils::{DbPool, GetConn},
 };
 use lemmy_utils::{error::LemmyError, utils::mention::scrape_text_for_mentions};
 use serde::{Deserialize, Serialize};
@@ -92,7 +92,7 @@ pub async fn collect_non_local_mentions(
 /// top-level comment, the creator of the post, otherwise the creator of the parent comment.
 #[tracing::instrument(skip(pool, comment))]
 async fn get_comment_parent_creator(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   comment: &Comment,
 ) -> Result<ApubPerson, LemmyError> {
   let parent_creator_id = if let Some(parent_comment_id) = comment.parent_comment_id() {

crates/apub/src/objects/instance.rs

@@ -195,7 +195,9 @@ pub(in crate::objects) async fn fetch_instance_actor_for_object<T: Into<Url> + C
   }
 }
 
-pub(crate) async fn remote_instance_inboxes(pool: &DbPool) -> Result<Vec<Url>, LemmyError> {
+pub(crate) async fn remote_instance_inboxes(
+  mut pool: &mut impl GetConn,
+) -> Result<Vec<Url>, LemmyError> {
   Ok(
     Site::read_remote_sites(pool)
       .await?

crates/apub/src/protocol/objects/mod.rs

@@ -2,7 +2,7 @@ use lemmy_db_schema::{
   impls::actor_language::UNDETERMINED_ID,
   newtypes::LanguageId,
   source::language::Language,
-  utils::DbPool,
+  utils::{DbPool, GetConn},
 };
 use lemmy_utils::error::LemmyError;
 use serde::{Deserialize, Serialize};
@@ -33,7 +33,7 @@ pub(crate) struct LanguageTag {
 impl LanguageTag {
   pub(crate) async fn new_single(
     lang: LanguageId,
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
   ) -> Result<Option<LanguageTag>, LemmyError> {
     let lang = Language::read_from_id(pool, lang).await?;
 
@@ -50,7 +50,7 @@ impl LanguageTag {
 
   pub(crate) async fn new_multiple(
     lang_ids: Vec<LanguageId>,
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
   ) -> Result<Vec<LanguageTag>, LemmyError> {
     let mut langs = Vec::<Language>::new();
 
@@ -70,7 +70,7 @@ impl LanguageTag {
 
   pub(crate) async fn to_language_id_single(
     lang: Option<Self>,
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
   ) -> Result<Option<LanguageId>, LemmyError> {
     let identifier = lang.map(|l| l.identifier);
     let language = Language::read_id_from_code(pool, identifier.as_deref()).await?;
@@ -80,7 +80,7 @@ impl LanguageTag {
 
   pub(crate) async fn to_language_id_multiple(
     langs: Vec<Self>,
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
   ) -> Result<Vec<LanguageId>, LemmyError> {
     let mut language_ids = Vec::new();
 

crates/db_schema/src/aggregates/comment_aggregates.rs

@@ -2,22 +2,25 @@ use crate::{
   aggregates::structs::CommentAggregates,
   newtypes::CommentId,
   schema::comment_aggregates,
-  utils::{functions::hot_rank, get_conn, DbPool},
+  utils::{functions::hot_rank, DbPool, GetConn},
 };
 use diesel::{result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl CommentAggregates {
-  pub async fn read(pool: &DbPool, comment_id: CommentId) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn, comment_id: CommentId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     comment_aggregates::table
       .filter(comment_aggregates::comment_id.eq(comment_id))
       .first::<Self>(conn)
       .await
   }
 
-  pub async fn update_hot_rank(pool: &DbPool, comment_id: CommentId) -> Result<Self, Error> {
+  pub async fn update_hot_rank(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    comment_id: CommentId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     diesel::update(comment_aggregates::table)
       .filter(comment_aggregates::comment_id.eq(comment_id))

crates/db_schema/src/aggregates/community_aggregates.rs

@@ -2,14 +2,14 @@ use crate::{
   aggregates::structs::CommunityAggregates,
   newtypes::CommunityId,
   schema::community_aggregates,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl CommunityAggregates {
-  pub async fn read(pool: &DbPool, community_id: CommunityId) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn, community_id: CommunityId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     community_aggregates::table
       .filter(community_aggregates::community_id.eq(community_id))
       .first::<Self>(conn)

crates/db_schema/src/aggregates/person_aggregates.rs

@@ -2,14 +2,14 @@ use crate::{
   aggregates::structs::PersonAggregates,
   newtypes::PersonId,
   schema::person_aggregates,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl PersonAggregates {
-  pub async fn read(pool: &DbPool, person_id: PersonId) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn, person_id: PersonId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     person_aggregates::table
       .filter(person_aggregates::person_id.eq(person_id))
       .first::<Self>(conn)

crates/db_schema/src/aggregates/person_post_aggregates.rs

@@ -3,14 +3,17 @@ use crate::{
   diesel::BoolExpressionMethods,
   newtypes::{PersonId, PostId},
   schema::person_post_aggregates::dsl::{person_id, person_post_aggregates, post_id},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl PersonPostAggregates {
-  pub async fn upsert(pool: &DbPool, form: &PersonPostAggregatesForm) -> Result<Self, Error> {
+  pub async fn upsert(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &PersonPostAggregatesForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(person_post_aggregates)
       .values(form)
       .on_conflict((person_id, post_id))
@@ -19,8 +22,12 @@ impl PersonPostAggregates {
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn read(pool: &DbPool, person_id_: PersonId, post_id_: PostId) -> Result<Self, Error> {
+  pub async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id_: PersonId,
+    post_id_: PostId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     person_post_aggregates
       .filter(post_id.eq(post_id_).and(person_id.eq(person_id_)))
       .first::<Self>(conn)

crates/db_schema/src/aggregates/post_aggregates.rs

@@ -2,22 +2,25 @@ use crate::{
   aggregates::structs::PostAggregates,
   newtypes::PostId,
   schema::post_aggregates,
-  utils::{functions::hot_rank, get_conn, DbPool},
+  utils::{functions::hot_rank, DbPool, GetConn},
 };
 use diesel::{result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl PostAggregates {
-  pub async fn read(pool: &DbPool, post_id: PostId) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn, post_id: PostId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     post_aggregates::table
       .filter(post_aggregates::post_id.eq(post_id))
       .first::<Self>(conn)
       .await
   }
 
-  pub async fn update_hot_rank(pool: &DbPool, post_id: PostId) -> Result<Self, Error> {
+  pub async fn update_hot_rank(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    post_id: PostId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     diesel::update(post_aggregates::table)
       .filter(post_aggregates::post_id.eq(post_id))

crates/db_schema/src/aggregates/site_aggregates.rs

@@ -1,14 +1,14 @@
 use crate::{
   aggregates::structs::SiteAggregates,
   schema::site_aggregates,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::result::Error;
 use diesel_async::RunQueryDsl;
 
 impl SiteAggregates {
-  pub async fn read(pool: &DbPool) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     site_aggregates::table.first::<Self>(conn).await
   }
 }

crates/db_schema/src/impls/activity.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::activity::dsl::{activity, ap_id},
   source::activity::{Activity, ActivityInsertForm, ActivityUpdateForm},
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -13,13 +13,16 @@ impl Crud for Activity {
   type InsertForm = ActivityInsertForm;
   type UpdateForm = ActivityUpdateForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, activity_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, activity_id: i32) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     activity.find(activity_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, new_activity: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    new_activity: &Self::InsertForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(activity)
       .values(new_activity)
       .get_result::<Self>(conn)
@@ -27,18 +30,18 @@ impl Crud for Activity {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     activity_id: i32,
     new_activity: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(activity.find(activity_id))
       .set(new_activity)
       .get_result::<Self>(conn)
       .await
   }
-  async fn delete(pool: &DbPool, activity_id: i32) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, activity_id: i32) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(activity.find(activity_id))
       .execute(conn)
       .await
@@ -46,8 +49,11 @@ impl Crud for Activity {
 }
 
 impl Activity {
-  pub async fn read_from_apub_id(pool: &DbPool, object_id: &DbUrl) -> Result<Activity, Error> {
+  pub async fn read_from_apub_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    object_id: &DbUrl,
+  ) -> Result<Activity, Error> {
+    let conn = &mut *pool.get_conn().await?;
     activity
       .filter(ap_id.eq(object_id))
       .first::<Self>(conn)

crates/db_schema/src/impls/actor_language.rs

@@ -14,7 +14,7 @@ use crate::{
     language::Language,
     site::Site,
   },
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{
   delete,
@@ -37,7 +37,7 @@ pub const UNDETERMINED_ID: LanguageId = LanguageId(0);
 
 impl LocalUserLanguage {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_local_user_id: LocalUserId,
   ) -> Result<Vec<LanguageId>, Error> {
     use crate::schema::local_user_language::dsl::{
@@ -45,7 +45,7 @@ impl LocalUserLanguage {
       local_user_id,
       local_user_language,
     };
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     conn
       .build_transaction()
@@ -67,11 +67,11 @@ impl LocalUserLanguage {
   ///
   /// If no language_id vector is given, it will show all languages
   pub async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     language_ids: Vec<LanguageId>,
     for_local_user_id: LocalUserId,
   ) -> Result<(), Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let mut lang_ids = convert_update_languages(conn, language_ids).await?;
 
     // No need to update if languages are unchanged
@@ -118,8 +118,8 @@ impl LocalUserLanguage {
 }
 
 impl SiteLanguage {
-  pub async fn read_local_raw(pool: &DbPool) -> Result<Vec<LanguageId>, Error> {
+  pub async fn read_local_raw(mut pool: &mut impl GetConn) -> Result<Vec<LanguageId>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     site::table
       .inner_join(local_site::table)
       .inner_join(site_language::table)
@@ -130,7 +130,7 @@ impl SiteLanguage {
   }
 
   async fn read_raw(
-    conn: &mut PooledConnection<AsyncPgConnection>,
+    conn: &mut AsyncPgConnection,
     for_site_id: SiteId,
   ) -> Result<Vec<LanguageId>, Error> {
     site_language::table
@@ -141,19 +141,22 @@ impl SiteLanguage {
       .await
   }
 
-  pub async fn read(pool: &DbPool, for_site_id: SiteId) -> Result<Vec<LanguageId>, Error> {
+  pub async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    for_site_id: SiteId,
+  ) -> Result<Vec<LanguageId>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let langs = Self::read_raw(conn, for_site_id).await?;
 
     convert_read_languages(conn, langs).await
   }
 
   pub async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     language_ids: Vec<LanguageId>,
     site: &Site,
   ) -> Result<(), Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let for_site_id = site.id;
     let instance_id = site.instance_id;
     let lang_ids = convert_update_languages(conn, language_ids).await?;
@@ -198,12 +201,12 @@ impl SiteLanguage {
 impl CommunityLanguage {
   /// Returns true if the given language is one of configured languages for given community
   pub async fn is_allowed_community_language(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_language_id: Option<LanguageId>,
     for_community_id: CommunityId,
   ) -> Result<(), LemmyError> {
     use crate::schema::community_language::dsl::{community_id, community_language, language_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     if let Some(for_language_id) = for_language_id {
       let is_allowed = select(exists(
@@ -255,7 +258,7 @@ impl CommunityLanguage {
   }
 
   async fn read_raw(
-    conn: &mut PooledConnection<AsyncPgConnection>,
+    conn: &mut AsyncPgConnection,
     for_community_id: CommunityId,
   ) -> Result<Vec<LanguageId>, Error> {
     use crate::schema::community_language::dsl::{community_id, community_language, language_id};
@@ -268,20 +271,20 @@ impl CommunityLanguage {
   }
 
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_community_id: CommunityId,
   ) -> Result<Vec<LanguageId>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let langs = Self::read_raw(conn, for_community_id).await?;
     convert_read_languages(conn, langs).await
   }
 
   pub async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     mut language_ids: Vec<LanguageId>,
     for_community_id: CommunityId,
   ) -> Result<(), Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     if language_ids.is_empty() {
       language_ids = SiteLanguage::read_local_raw(pool).await?;
     }
@@ -321,12 +324,12 @@ impl CommunityLanguage {
 }
 
 pub async fn default_post_language(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   community_id: CommunityId,
   local_user_id: LocalUserId,
 ) -> Result<Option<LanguageId>, Error> {
   use crate::schema::{community_language::dsl as cl, local_user_language::dsl as ul};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
   let mut intersection = ul::local_user_language
     .inner_join(cl::community_language.on(ul::language_id.eq(cl::language_id)))
     .filter(ul::local_user_id.eq(local_user_id))
@@ -396,9 +399,9 @@ mod tests {
       convert_read_languages,
       convert_update_languages,
       default_post_language,
-      get_conn,
       CommunityLanguage,
       DbPool,
+      GetConn,
       Language,
       LanguageId,
       LocalUserLanguage,
@@ -419,7 +422,7 @@ mod tests {
   };
   use serial_test::serial;
 
-  async fn test_langs1(pool: &DbPool) -> Vec<LanguageId> {
+  async fn test_langs1(mut pool: &mut impl GetConn) -> Vec<LanguageId> {
     vec![
       Language::read_id_from_code(pool, Some("en"))
         .await
@@ -435,7 +438,7 @@ mod tests {
         .unwrap(),
     ]
   }
-  async fn test_langs2(pool: &DbPool) -> Vec<LanguageId> {
+  async fn test_langs2(mut pool: &mut impl GetConn) -> Vec<LanguageId> {
     vec![
       Language::read_id_from_code(pool, Some("fi"))
         .await
@@ -448,7 +451,7 @@ mod tests {
     ]
   }
 
-  async fn create_test_site(pool: &DbPool) -> (Site, Instance) {
+  async fn create_test_site(mut pool: &mut impl GetConn) -> (Site, Instance) {
     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
       .await
       .unwrap();

crates/db_schema/src/impls/captcha_answer.rs

@@ -1,7 +1,7 @@
 use crate::{
   schema::captcha_answer::dsl::{answer, captcha_answer, uuid},
   source::captcha_answer::{CaptchaAnswer, CaptchaAnswerForm, CheckCaptchaAnswer},
-  utils::{functions::lower, get_conn, DbPool},
+  utils::{functions::lower, DbPool, GetConn},
 };
 use diesel::{
   delete,
@@ -15,8 +15,11 @@ use diesel::{
 use diesel_async::RunQueryDsl;
 
 impl CaptchaAnswer {
-  pub async fn insert(pool: &DbPool, captcha: &CaptchaAnswerForm) -> Result<Self, Error> {
+  pub async fn insert(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    captcha: &CaptchaAnswerForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     insert_into(captcha_answer)
       .values(captcha)
@@ -24,8 +27,11 @@ impl CaptchaAnswer {
       .await
   }
 
-  pub async fn check_captcha(pool: &DbPool, to_check: CheckCaptchaAnswer) -> Result<bool, Error> {
+  pub async fn check_captcha(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    to_check: CheckCaptchaAnswer,
+  ) -> Result<bool, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     // fetch requested captcha
     let captcha_exists = select(exists(

crates/db_schema/src/impls/comment.rs

@@ -11,7 +11,7 @@ use crate::{
     CommentUpdateForm,
   },
   traits::{Crud, Likeable, Saveable},
-  utils::{get_conn, naive_now, DbPool, DELETED_REPLACEMENT_TEXT},
+  utils::{naive_now, DbPool, GetConn, DELETED_REPLACEMENT_TEXT},
 };
 use diesel::{
   dsl::{insert_into, sql_query},
@@ -25,10 +25,10 @@ use url::Url;
 
 impl Comment {
   pub async fn permadelete_for_creator(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_creator_id: PersonId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     diesel::update(comment.filter(creator_id.eq(for_creator_id)))
       .set((
@@ -41,11 +41,11 @@ impl Comment {
   }
 
   pub async fn update_removed_for_creator(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_creator_id: PersonId,
     new_removed: bool,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(comment.filter(creator_id.eq(for_creator_id)))
       .set((removed.eq(new_removed), updated.eq(naive_now())))
       .get_results::<Self>(conn)
@@ -53,11 +53,11 @@ impl Comment {
   }
 
   pub async fn create(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     comment_form: &CommentInsertForm,
     parent_path: Option<&Ltree>,
   ) -> Result<Comment, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     // Insert, to get the id
     let inserted_comment = insert_into(comment)
@@ -123,8 +123,11 @@ where ca.comment_id = c.id"
       inserted_comment
     }
   }
-  pub async fn read_from_apub_id(pool: &DbPool, object_id: Url) -> Result<Option<Self>, Error> {
+  pub async fn read_from_apub_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    object_id: Url,
+  ) -> Result<Option<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let object_id: DbUrl = object_id.into();
     Ok(
       comment
@@ -153,27 +156,30 @@ impl Crud for Comment {
   type InsertForm = CommentInsertForm;
   type UpdateForm = CommentUpdateForm;
   type IdType = CommentId;
-  async fn read(pool: &DbPool, comment_id: CommentId) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, comment_id: CommentId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     comment.find(comment_id).first::<Self>(conn).await
   }
 
-  async fn delete(pool: &DbPool, comment_id: CommentId) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, comment_id: CommentId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(comment.find(comment_id)).execute(conn).await
   }
 
   /// This is unimplemented, use [[Comment::create]]
-  async fn create(_pool: &DbPool, _comment_form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(
+    _pool: &mut impl GetConn,
+    _comment_form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
     unimplemented!();
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     comment_id: CommentId,
     comment_form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(comment.find(comment_id))
       .set(comment_form)
       .get_result::<Self>(conn)
@@ -185,9 +191,12 @@ impl Crud for Comment {
 impl Likeable for CommentLike {
   type Form = CommentLikeForm;
   type IdType = CommentId;
-  async fn like(pool: &DbPool, comment_like_form: &CommentLikeForm) -> Result<Self, Error> {
+  async fn like(
+    mut pool: &mut impl GetConn,
+    comment_like_form: &CommentLikeForm,
+  ) -> Result<Self, Error> {
     use crate::schema::comment_like::dsl::{comment_id, comment_like, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(comment_like)
       .values(comment_like_form)
       .on_conflict((comment_id, person_id))
@@ -197,12 +206,12 @@ impl Likeable for CommentLike {
       .await
   }
   async fn remove(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_id_: PersonId,
     comment_id_: CommentId,
   ) -> Result<usize, Error> {
     use crate::schema::comment_like::dsl::{comment_id, comment_like, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       comment_like
         .filter(comment_id.eq(comment_id_))
@@ -216,9 +225,12 @@ impl Likeable for CommentLike {
 #[async_trait]
 impl Saveable for CommentSaved {
   type Form = CommentSavedForm;
-  async fn save(pool: &DbPool, comment_saved_form: &CommentSavedForm) -> Result<Self, Error> {
+  async fn save(
+    mut pool: &mut impl GetConn,
+    comment_saved_form: &CommentSavedForm,
+  ) -> Result<Self, Error> {
     use crate::schema::comment_saved::dsl::{comment_id, comment_saved, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(comment_saved)
       .values(comment_saved_form)
       .on_conflict((comment_id, person_id))
@@ -227,9 +239,12 @@ impl Saveable for CommentSaved {
       .get_result::<Self>(conn)
       .await
   }
-  async fn unsave(pool: &DbPool, comment_saved_form: &CommentSavedForm) -> Result<usize, Error> {
+  async fn unsave(
+    mut pool: &mut impl GetConn,
+    comment_saved_form: &CommentSavedForm,
+  ) -> Result<usize, Error> {
     use crate::schema::comment_saved::dsl::{comment_id, comment_saved, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       comment_saved
         .filter(comment_id.eq(comment_saved_form.comment_id))

crates/db_schema/src/impls/comment_reply.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::comment_reply::dsl::{comment_id, comment_reply, read, recipient_id},
   source::comment_reply::{CommentReply, CommentReplyInsertForm, CommentReplyUpdateForm},
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -13,16 +13,22 @@ impl Crud for CommentReply {
   type InsertForm = CommentReplyInsertForm;
   type UpdateForm = CommentReplyUpdateForm;
   type IdType = CommentReplyId;
-  async fn read(pool: &DbPool, comment_reply_id: CommentReplyId) -> Result<Self, Error> {
+  async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    comment_reply_id: CommentReplyId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     comment_reply
       .find(comment_reply_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, comment_reply_form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    comment_reply_form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     // since the return here isnt utilized, we dont need to do an update
     // but get_result doesnt return the existing row here
@@ -36,11 +42,11 @@ impl Crud for CommentReply {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     comment_reply_id: CommentReplyId,
     comment_reply_form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(comment_reply.find(comment_reply_id))
       .set(comment_reply_form)
       .get_result::<Self>(conn)
@@ -50,10 +56,10 @@ impl Crud for CommentReply {
 
 impl CommentReply {
   pub async fn mark_all_as_read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_recipient_id: PersonId,
   ) -> Result<Vec<CommentReply>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(
       comment_reply
         .filter(recipient_id.eq(for_recipient_id))
@@ -64,8 +70,11 @@ impl CommentReply {
     .await
   }
 
-  pub async fn read_by_comment(pool: &DbPool, for_comment_id: CommentId) -> Result<Self, Error> {
+  pub async fn read_by_comment(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    for_comment_id: CommentId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     comment_reply
       .filter(comment_id.eq(for_comment_id))
       .first::<Self>(conn)

crates/db_schema/src/impls/comment_report.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::comment_report::dsl::{comment_report, resolved, resolver_id, updated},
   source::comment_report::{CommentReport, CommentReportForm},
   traits::Reportable,
-  utils::{get_conn, naive_now, DbPool},
+  utils::{naive_now, DbPool, GetConn},
 };
 use diesel::{
   dsl::{insert_into, update},
@@ -21,8 +21,11 @@ impl Reportable for CommentReport {
   ///
   /// * `conn` - the postgres connection
   /// * `comment_report_form` - the filled CommentReportForm to insert
-  async fn report(pool: &DbPool, comment_report_form: &CommentReportForm) -> Result<Self, Error> {
+  async fn report(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    comment_report_form: &CommentReportForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(comment_report)
       .values(comment_report_form)
       .get_result::<Self>(conn)
@@ -35,11 +38,11 @@ impl Reportable for CommentReport {
   /// * `report_id` - the id of the report to resolve
   /// * `by_resolver_id` - the id of the user resolving the report
   async fn resolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id_: Self::IdType,
     by_resolver_id: PersonId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     update(comment_report.find(report_id_))
       .set((
         resolved.eq(true),
@@ -56,11 +59,11 @@ impl Reportable for CommentReport {
   /// * `report_id` - the id of the report to unresolve
   /// * `by_resolver_id` - the id of the user unresolving the report
   async fn unresolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id_: Self::IdType,
     by_resolver_id: PersonId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     update(comment_report.find(report_id_))
       .set((
         resolved.eq(false),

crates/db_schema/src/impls/community.rs

@@ -16,7 +16,7 @@ use crate::{
     },
   },
   traits::{ApubActor, Bannable, Crud, Followable, Joinable},
-  utils::{functions::lower, get_conn, DbPool},
+  utils::{functions::lower, DbPool, GetConn},
   SubscribedType,
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
@@ -27,23 +27,23 @@ impl Crud for Community {
   type InsertForm = CommunityInsertForm;
   type UpdateForm = CommunityUpdateForm;
   type IdType = CommunityId;
-  async fn read(pool: &DbPool, community_id: CommunityId) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, community_id: CommunityId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     community::table
       .find(community_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn delete(pool: &DbPool, community_id: CommunityId) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, community_id: CommunityId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(community::table.find(community_id))
       .execute(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let is_new_community = match &form.actor_id {
       Some(id) => Community::read_from_apub_id(pool, id).await?.is_none(),
       None => true,
@@ -67,11 +67,11 @@ impl Crud for Community {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_id: CommunityId,
     form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(community::table.find(community_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -83,11 +83,11 @@ impl Crud for Community {
 impl Joinable for CommunityModerator {
   type Form = CommunityModeratorForm;
   async fn join(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_moderator_form: &CommunityModeratorForm,
   ) -> Result<Self, Error> {
     use crate::schema::community_moderator::dsl::community_moderator;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(community_moderator)
       .values(community_moderator_form)
       .get_result::<Self>(conn)
@@ -95,11 +95,11 @@ impl Joinable for CommunityModerator {
   }
 
   async fn leave(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_moderator_form: &CommunityModeratorForm,
   ) -> Result<usize, Error> {
     use crate::schema::community_moderator::dsl::{community_id, community_moderator, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       community_moderator
         .filter(community_id.eq(community_moderator_form.community_id))
@@ -118,12 +118,12 @@ pub enum CollectionType {
 impl Community {
   /// Get the community which has a given moderators or featured url, also return the collection type
   pub async fn get_by_collection_url(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     url: &DbUrl,
   ) -> Result<(Community, CollectionType), Error> {
     use crate::schema::community::dsl::{featured_url, moderators_url};
     use CollectionType::*;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let res = community::table
       .filter(moderators_url.eq(url))
       .first::<Self>(conn)
@@ -144,11 +144,11 @@ impl Community {
 
 impl CommunityModerator {
   pub async fn delete_for_community(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_community_id: CommunityId,
   ) -> Result<usize, Error> {
     use crate::schema::community_moderator::dsl::{community_id, community_moderator};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     diesel::delete(community_moderator.filter(community_id.eq(for_community_id)))
       .execute(conn)
@@ -156,22 +156,22 @@ impl CommunityModerator {
   }
 
   pub async fn leave_all_communities(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_person_id: PersonId,
   ) -> Result<usize, Error> {
     use crate::schema::community_moderator::dsl::{community_moderator, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(community_moderator.filter(person_id.eq(for_person_id)))
       .execute(conn)
       .await
   }
 
   pub async fn get_person_moderated_communities(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_person_id: PersonId,
   ) -> Result<Vec<CommunityId>, Error> {
     use crate::schema::community_moderator::dsl::{community_id, community_moderator, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     community_moderator
       .filter(person_id.eq(for_person_id))
       .select(community_id)
@@ -184,11 +184,11 @@ impl CommunityModerator {
 impl Bannable for CommunityPersonBan {
   type Form = CommunityPersonBanForm;
   async fn ban(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_person_ban_form: &CommunityPersonBanForm,
   ) -> Result<Self, Error> {
     use crate::schema::community_person_ban::dsl::{community_id, community_person_ban, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(community_person_ban)
       .values(community_person_ban_form)
       .on_conflict((community_id, person_id))
@@ -199,11 +199,11 @@ impl Bannable for CommunityPersonBan {
   }
 
   async fn unban(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_person_ban_form: &CommunityPersonBanForm,
   ) -> Result<usize, Error> {
     use crate::schema::community_person_ban::dsl::{community_id, community_person_ban, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       community_person_ban
         .filter(community_id.eq(community_person_ban_form.community_id))
@@ -233,9 +233,12 @@ impl CommunityFollower {
 #[async_trait]
 impl Followable for CommunityFollower {
   type Form = CommunityFollowerForm;
-  async fn follow(pool: &DbPool, form: &CommunityFollowerForm) -> Result<Self, Error> {
+  async fn follow(
+    mut pool: &mut impl GetConn,
+    form: &CommunityFollowerForm,
+  ) -> Result<Self, Error> {
     use crate::schema::community_follower::dsl::{community_follower, community_id, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(community_follower)
       .values(form)
       .on_conflict((community_id, person_id))
@@ -245,7 +248,7 @@ impl Followable for CommunityFollower {
       .await
   }
   async fn follow_accepted(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_id_: CommunityId,
     person_id_: PersonId,
   ) -> Result<Self, Error> {
@@ -255,7 +258,7 @@ impl Followable for CommunityFollower {
       pending,
       person_id,
     };
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(
       community_follower
         .filter(community_id.eq(community_id_))
@@ -265,9 +268,12 @@ impl Followable for CommunityFollower {
     .get_result::<Self>(conn)
     .await
   }
-  async fn unfollow(pool: &DbPool, form: &CommunityFollowerForm) -> Result<usize, Error> {
+  async fn unfollow(
+    mut pool: &mut impl GetConn,
+    form: &CommunityFollowerForm,
+  ) -> Result<usize, Error> {
     use crate::schema::community_follower::dsl::{community_follower, community_id, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       community_follower
         .filter(community_id.eq(&form.community_id))
@@ -280,8 +286,11 @@ impl Followable for CommunityFollower {
 
 #[async_trait]
 impl ApubActor for Community {
-  async fn read_from_apub_id(pool: &DbPool, object_id: &DbUrl) -> Result<Option<Self>, Error> {
+  async fn read_from_apub_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    object_id: &DbUrl,
+  ) -> Result<Option<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     Ok(
       community::table
         .filter(community::actor_id.eq(object_id))
@@ -293,11 +302,11 @@ impl ApubActor for Community {
   }
 
   async fn read_from_name(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_name: &str,
     include_deleted: bool,
   ) -> Result<Community, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let mut q = community::table
       .into_boxed()
       .filter(community::local.eq(true))
@@ -311,11 +320,11 @@ impl ApubActor for Community {
   }
 
   async fn read_from_name_and_domain(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_name: &str,
     for_domain: &str,
   ) -> Result<Community, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     community::table
       .inner_join(instance::table)
       .filter(lower(community::name).eq(community_name.to_lowercase()))

crates/db_schema/src/impls/community_block.rs

@@ -2,7 +2,7 @@ use crate::{
   schema::community_block::dsl::{community_block, community_id, person_id},
   source::community_block::{CommunityBlock, CommunityBlockForm},
   traits::Blockable,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -10,8 +10,11 @@ use diesel_async::RunQueryDsl;
 #[async_trait]
 impl Blockable for CommunityBlock {
   type Form = CommunityBlockForm;
-  async fn block(pool: &DbPool, community_block_form: &Self::Form) -> Result<Self, Error> {
+  async fn block(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    community_block_form: &Self::Form,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(community_block)
       .values(community_block_form)
       .on_conflict((person_id, community_id))
@@ -20,8 +23,11 @@ impl Blockable for CommunityBlock {
       .get_result::<Self>(conn)
       .await
   }
-  async fn unblock(pool: &DbPool, community_block_form: &Self::Form) -> Result<usize, Error> {
+  async fn unblock(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    community_block_form: &Self::Form,
+  ) -> Result<usize, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       community_block
         .filter(person_id.eq(community_block_form.person_id))

crates/db_schema/src/impls/custom_emoji.rs

@@ -8,32 +8,38 @@ use crate::{
     custom_emoji::{CustomEmoji, CustomEmojiInsertForm, CustomEmojiUpdateForm},
     custom_emoji_keyword::{CustomEmojiKeyword, CustomEmojiKeywordInsertForm},
   },
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl CustomEmoji {
-  pub async fn create(pool: &DbPool, form: &CustomEmojiInsertForm) -> Result<Self, Error> {
+  pub async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &CustomEmojiInsertForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(custom_emoji)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
   pub async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     emoji_id: CustomEmojiId,
     form: &CustomEmojiUpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(custom_emoji.find(emoji_id))
       .set(form)
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn delete(pool: &DbPool, emoji_id: CustomEmojiId) -> Result<usize, Error> {
+  pub async fn delete(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    emoji_id: CustomEmojiId,
+  ) -> Result<usize, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(custom_emoji.find(emoji_id))
       .execute(conn)
       .await
@@ -42,17 +48,20 @@ impl CustomEmoji {
 
 impl CustomEmojiKeyword {
   pub async fn create(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     form: Vec<CustomEmojiKeywordInsertForm>,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(custom_emoji_keyword)
       .values(form)
       .get_results::<Self>(conn)
       .await
   }
-  pub async fn delete(pool: &DbPool, emoji_id: CustomEmojiId) -> Result<usize, Error> {
+  pub async fn delete(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    emoji_id: CustomEmojiId,
+  ) -> Result<usize, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(custom_emoji_keyword.filter(custom_emoji_id.eq(emoji_id)))
       .execute(conn)
       .await

crates/db_schema/src/impls/email_verification.rs

@@ -7,7 +7,7 @@ use crate::{
     verification_token,
   },
   source::email_verification::{EmailVerification, EmailVerificationForm},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{
   dsl::{now, IntervalDsl},
@@ -19,16 +19,19 @@ use diesel::{
 use diesel_async::RunQueryDsl;
 
 impl EmailVerification {
-  pub async fn create(pool: &DbPool, form: &EmailVerificationForm) -> Result<Self, Error> {
+  pub async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &EmailVerificationForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(email_verification)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  pub async fn read_for_token(pool: &DbPool, token: &str) -> Result<Self, Error> {
+  pub async fn read_for_token(mut pool: &mut impl GetConn, token: &str) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     email_verification
       .filter(verification_token.eq(token))
       .filter(published.gt(now - 7.days()))
@@ -36,10 +39,10 @@ impl EmailVerification {
       .await
   }
   pub async fn delete_old_tokens_for_local_user(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     local_user_id_: LocalUserId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(email_verification.filter(local_user_id.eq(local_user_id_)))
       .execute(conn)
       .await

crates/db_schema/src/impls/federation_allowlist.rs

@@ -4,14 +4,17 @@ use crate::{
     federation_allowlist::{FederationAllowList, FederationAllowListForm},
     instance::Instance,
   },
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error};
 use diesel_async::{AsyncPgConnection, RunQueryDsl};
 
 impl FederationAllowList {
-  pub async fn replace(pool: &DbPool, list_opt: Option<Vec<String>>) -> Result<(), Error> {
+  pub async fn replace(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    list_opt: Option<Vec<String>>,
+  ) -> Result<(), Error> {
+    let conn = &mut *pool.get_conn().await?;
     conn
       .build_transaction()
       .run(|conn| {

crates/db_schema/src/impls/federation_blocklist.rs

@@ -4,14 +4,17 @@ use crate::{
     federation_blocklist::{FederationBlockList, FederationBlockListForm},
     instance::Instance,
   },
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error};
 use diesel_async::{AsyncPgConnection, RunQueryDsl};
 
 impl FederationBlockList {
-  pub async fn replace(pool: &DbPool, list_opt: Option<Vec<String>>) -> Result<(), Error> {
+  pub async fn replace(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    list_opt: Option<Vec<String>>,
+  ) -> Result<(), Error> {
+    let conn = &mut *pool.get_conn().await?;
     conn
       .build_transaction()
       .run(|conn| {

crates/db_schema/src/impls/instance.rs

@@ -2,7 +2,7 @@ use crate::{
   newtypes::InstanceId,
   schema::{federation_allowlist, federation_blocklist, instance},
   source::instance::{Instance, InstanceForm},
-  utils::{get_conn, naive_now, DbPool},
+  utils::{naive_now, DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::{AsyncPgConnection, RunQueryDsl};
@@ -42,23 +42,26 @@ impl Instance {
 
   /// Attempt to read Instance column for the given domain. If it doesnt exist, insert a new one.
   /// There is no need for update as the domain of an existing instance cant change.
-  pub async fn read_or_create(pool: &DbPool, domain: String) -> Result<Self, Error> {
+  pub async fn read_or_create(mut pool: &mut impl GetConn, domain: String) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     Self::read_or_create_with_conn(conn, domain).await
   }
-  pub async fn delete(pool: &DbPool, instance_id: InstanceId) -> Result<usize, Error> {
+  pub async fn delete(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    instance_id: InstanceId,
+  ) -> Result<usize, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(instance::table.find(instance_id))
       .execute(conn)
       .await
   }
   #[cfg(test)]
-  pub async fn delete_all(pool: &DbPool) -> Result<usize, Error> {
+  pub async fn delete_all(mut pool: &mut impl GetConn) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(instance::table).execute(conn).await
   }
-  pub async fn allowlist(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn allowlist(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     instance::table
       .inner_join(federation_allowlist::table)
       .select(instance::all_columns)
@@ -66,8 +69,8 @@ impl Instance {
       .await
   }
 
-  pub async fn blocklist(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn blocklist(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     instance::table
       .inner_join(federation_blocklist::table)
       .select(instance::all_columns)
@@ -75,8 +78,8 @@ impl Instance {
       .await
   }
 
-  pub async fn linked(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn linked(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     instance::table
       .left_join(federation_blocklist::table)
       .filter(federation_blocklist::id.is_null())

crates/db_schema/src/impls/language.rs

@@ -3,14 +3,14 @@ use crate::{
   newtypes::LanguageId,
   schema::language::dsl::{code, id, language},
   source::language::Language,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{result::Error, QueryDsl};
 use diesel_async::{AsyncPgConnection, RunQueryDsl};
 
 impl Language {
-  pub async fn read_all(pool: &DbPool) -> Result<Vec<Language>, Error> {
+  pub async fn read_all(mut pool: &mut impl GetConn) -> Result<Vec<Language>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     Self::read_all_conn(conn).await
   }
 
@@ -18,18 +18,21 @@ impl Language {
     language.load::<Self>(conn).await
   }
 
-  pub async fn read_from_id(pool: &DbPool, id_: LanguageId) -> Result<Language, Error> {
+  pub async fn read_from_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    id_: LanguageId,
+  ) -> Result<Language, Error> {
+    let conn = &mut *pool.get_conn().await?;
     language.filter(id.eq(id_)).first::<Self>(conn).await
   }
 
   /// Attempts to find the given language code and return its ID. If not found, returns none.
   pub async fn read_id_from_code(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     code_: Option<&str>,
   ) -> Result<Option<LanguageId>, Error> {
     if let Some(code_) = code_ {
-      let conn = &mut get_conn(pool).await?;
+      let conn = &mut *pool.get_conn().await?;
       Ok(
         language
           .filter(code.eq(code_))

crates/db_schema/src/impls/local_site.rs

@@ -1,32 +1,38 @@
 use crate::{
   schema::local_site::dsl::local_site,
   source::local_site::{LocalSite, LocalSiteInsertForm, LocalSiteUpdateForm},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error};
 use diesel_async::RunQueryDsl;
 
 impl LocalSite {
-  pub async fn create(pool: &DbPool, form: &LocalSiteInsertForm) -> Result<Self, Error> {
+  pub async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &LocalSiteInsertForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(local_site)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn read(pool: &DbPool) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     local_site.first::<Self>(conn).await
   }
-  pub async fn update(pool: &DbPool, form: &LocalSiteUpdateForm) -> Result<Self, Error> {
+  pub async fn update(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &LocalSiteUpdateForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(local_site)
       .set(form)
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn delete(pool: &DbPool) -> Result<usize, Error> {
+  pub async fn delete(mut pool: &mut impl GetConn) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(local_site).execute(conn).await
   }
 }

crates/db_schema/src/impls/local_site_rate_limit.rs

@@ -5,30 +5,36 @@ use crate::{
     LocalSiteRateLimitInsertForm,
     LocalSiteRateLimitUpdateForm,
   },
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error};
 use diesel_async::RunQueryDsl;
 
 impl LocalSiteRateLimit {
-  pub async fn read(pool: &DbPool) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     local_site_rate_limit::table.first::<Self>(conn).await
   }
 
-  pub async fn create(pool: &DbPool, form: &LocalSiteRateLimitInsertForm) -> Result<Self, Error> {
+  pub async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &LocalSiteRateLimitInsertForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(local_site_rate_limit::table)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn update(pool: &DbPool, form: &LocalSiteRateLimitUpdateForm) -> Result<(), Error> {
+  pub async fn update(
+    mut pool: &mut impl GetConn,
+    form: &LocalSiteRateLimitUpdateForm,
+  ) -> Result<(), Error> {
     // avoid error "There are no changes to save. This query cannot be built"
     if form.is_empty() {
       return Ok(());
     }
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(local_site_rate_limit::table)
       .set(form)
       .get_result::<Self>(conn)

crates/db_schema/src/impls/local_user.rs

@@ -13,7 +13,7 @@ use crate::{
     local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
   },
   traits::Crud,
-  utils::{get_conn, naive_now, DbPool},
+  utils::{naive_now, DbPool, GetConn},
 };
 use bcrypt::{hash, DEFAULT_COST};
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
@@ -21,11 +21,11 @@ use diesel_async::RunQueryDsl;
 
 impl LocalUser {
   pub async fn update_password(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     local_user_id: LocalUserId,
     new_password: &str,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let password_hash = hash(new_password, DEFAULT_COST).expect("Couldn't hash password");
 
     diesel::update(local_user.find(local_user_id))
@@ -37,8 +37,10 @@ impl LocalUser {
       .await
   }
 
-  pub async fn set_all_users_email_verified(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn set_all_users_email_verified(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(local_user)
       .set(email_verified.eq(true))
       .get_results::<Self>(conn)
@@ -46,18 +48,18 @@ impl LocalUser {
   }
 
   pub async fn set_all_users_registration_applications_accepted(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(local_user)
       .set(accepted_application.eq(true))
       .get_results::<Self>(conn)
       .await
   }
 
-  pub async fn is_email_taken(pool: &DbPool, email_: &str) -> Result<bool, Error> {
+  pub async fn is_email_taken(mut pool: &mut impl GetConn, email_: &str) -> Result<bool, Error> {
     use diesel::dsl::{exists, select};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     select(exists(local_user.filter(email.eq(email_))))
       .get_result(conn)
       .await
@@ -69,18 +71,18 @@ impl Crud for LocalUser {
   type InsertForm = LocalUserInsertForm;
   type UpdateForm = LocalUserUpdateForm;
   type IdType = LocalUserId;
-  async fn read(pool: &DbPool, local_user_id: LocalUserId) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, local_user_id: LocalUserId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     local_user.find(local_user_id).first::<Self>(conn).await
   }
-  async fn delete(pool: &DbPool, local_user_id: LocalUserId) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, local_user_id: LocalUserId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(local_user.find(local_user_id))
       .execute(conn)
       .await
   }
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let mut form_with_encrypted_password = form.clone();
     let password_hash =
       hash(&form.password_encrypted, DEFAULT_COST).expect("Couldn't hash password");
@@ -104,11 +106,11 @@ impl Crud for LocalUser {
     Ok(local_user_)
   }
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     local_user_id: LocalUserId,
     form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(local_user.find(local_user_id))
       .set(form)
       .get_result::<Self>(conn)

crates/db_schema/src/impls/moderator.rs

@@ -32,7 +32,7 @@ use crate::{
     ModTransferCommunityForm,
   },
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -42,24 +42,28 @@ impl Crud for ModRemovePost {
   type InsertForm = ModRemovePostForm;
   type UpdateForm = ModRemovePostForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_remove_post::dsl::mod_remove_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_remove_post.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModRemovePostForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModRemovePostForm) -> Result<Self, Error> {
     use crate::schema::mod_remove_post::dsl::mod_remove_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_remove_post)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModRemovePostForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModRemovePostForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_remove_post::dsl::mod_remove_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_remove_post.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -72,24 +76,28 @@ impl Crud for ModLockPost {
   type InsertForm = ModLockPostForm;
   type UpdateForm = ModLockPostForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_lock_post::dsl::mod_lock_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_lock_post.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModLockPostForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModLockPostForm) -> Result<Self, Error> {
     use crate::schema::mod_lock_post::dsl::mod_lock_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_lock_post)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModLockPostForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModLockPostForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_lock_post::dsl::mod_lock_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_lock_post.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -102,24 +110,28 @@ impl Crud for ModFeaturePost {
   type InsertForm = ModFeaturePostForm;
   type UpdateForm = ModFeaturePostForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_feature_post::dsl::mod_feature_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_feature_post.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModFeaturePostForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModFeaturePostForm) -> Result<Self, Error> {
     use crate::schema::mod_feature_post::dsl::mod_feature_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_feature_post)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModFeaturePostForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModFeaturePostForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_feature_post::dsl::mod_feature_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_feature_post.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -132,24 +144,28 @@ impl Crud for ModRemoveComment {
   type InsertForm = ModRemoveCommentForm;
   type UpdateForm = ModRemoveCommentForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_remove_comment::dsl::mod_remove_comment;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_remove_comment.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModRemoveCommentForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModRemoveCommentForm) -> Result<Self, Error> {
     use crate::schema::mod_remove_comment::dsl::mod_remove_comment;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_remove_comment)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModRemoveCommentForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModRemoveCommentForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_remove_comment::dsl::mod_remove_comment;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_remove_comment.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -162,15 +178,18 @@ impl Crud for ModRemoveCommunity {
   type InsertForm = ModRemoveCommunityForm;
   type UpdateForm = ModRemoveCommunityForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_remove_community::dsl::mod_remove_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_remove_community.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModRemoveCommunityForm) -> Result<Self, Error> {
+  async fn create(
+    mut pool: &mut impl GetConn,
+    form: &ModRemoveCommunityForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_remove_community::dsl::mod_remove_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_remove_community)
       .values(form)
       .get_result::<Self>(conn)
@@ -178,12 +197,12 @@ impl Crud for ModRemoveCommunity {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     from_id: i32,
     form: &ModRemoveCommunityForm,
   ) -> Result<Self, Error> {
     use crate::schema::mod_remove_community::dsl::mod_remove_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_remove_community.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -196,18 +215,21 @@ impl Crud for ModBanFromCommunity {
   type InsertForm = ModBanFromCommunityForm;
   type UpdateForm = ModBanFromCommunityForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_ban_from_community::dsl::mod_ban_from_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_ban_from_community
       .find(from_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, form: &ModBanFromCommunityForm) -> Result<Self, Error> {
+  async fn create(
+    mut pool: &mut impl GetConn,
+    form: &ModBanFromCommunityForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_ban_from_community::dsl::mod_ban_from_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_ban_from_community)
       .values(form)
       .get_result::<Self>(conn)
@@ -215,12 +237,12 @@ impl Crud for ModBanFromCommunity {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     from_id: i32,
     form: &ModBanFromCommunityForm,
   ) -> Result<Self, Error> {
     use crate::schema::mod_ban_from_community::dsl::mod_ban_from_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_ban_from_community.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -233,24 +255,28 @@ impl Crud for ModBan {
   type InsertForm = ModBanForm;
   type UpdateForm = ModBanForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_ban::dsl::mod_ban;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_ban.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModBanForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModBanForm) -> Result<Self, Error> {
     use crate::schema::mod_ban::dsl::mod_ban;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_ban)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModBanForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModBanForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_ban::dsl::mod_ban;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_ban.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -264,24 +290,28 @@ impl Crud for ModHideCommunity {
   type UpdateForm = ModHideCommunityForm;
   type IdType = i32;
 
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_hide_community::dsl::mod_hide_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_hide_community.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModHideCommunityForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModHideCommunityForm) -> Result<Self, Error> {
     use crate::schema::mod_hide_community::dsl::mod_hide_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_hide_community)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModHideCommunityForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModHideCommunityForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_hide_community::dsl::mod_hide_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_hide_community.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -294,24 +324,28 @@ impl Crud for ModAddCommunity {
   type InsertForm = ModAddCommunityForm;
   type UpdateForm = ModAddCommunityForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_add_community::dsl::mod_add_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_add_community.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModAddCommunityForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModAddCommunityForm) -> Result<Self, Error> {
     use crate::schema::mod_add_community::dsl::mod_add_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_add_community)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModAddCommunityForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModAddCommunityForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_add_community::dsl::mod_add_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_add_community.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -324,18 +358,21 @@ impl Crud for ModTransferCommunity {
   type InsertForm = ModTransferCommunityForm;
   type UpdateForm = ModTransferCommunityForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_transfer_community::dsl::mod_transfer_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_transfer_community
       .find(from_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, form: &ModTransferCommunityForm) -> Result<Self, Error> {
+  async fn create(
+    mut pool: &mut impl GetConn,
+    form: &ModTransferCommunityForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_transfer_community::dsl::mod_transfer_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_transfer_community)
       .values(form)
       .get_result::<Self>(conn)
@@ -343,12 +380,12 @@ impl Crud for ModTransferCommunity {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     from_id: i32,
     form: &ModTransferCommunityForm,
   ) -> Result<Self, Error> {
     use crate::schema::mod_transfer_community::dsl::mod_transfer_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_transfer_community.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -361,24 +398,28 @@ impl Crud for ModAdd {
   type InsertForm = ModAddForm;
   type UpdateForm = ModAddForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::mod_add::dsl::mod_add;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     mod_add.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &ModAddForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &ModAddForm) -> Result<Self, Error> {
     use crate::schema::mod_add::dsl::mod_add;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(mod_add)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &ModAddForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &ModAddForm,
+  ) -> Result<Self, Error> {
     use crate::schema::mod_add::dsl::mod_add;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(mod_add.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -391,24 +432,28 @@ impl Crud for AdminPurgePerson {
   type InsertForm = AdminPurgePersonForm;
   type UpdateForm = AdminPurgePersonForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::admin_purge_person::dsl::admin_purge_person;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     admin_purge_person.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
     use crate::schema::admin_purge_person::dsl::admin_purge_person;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(admin_purge_person)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
     use crate::schema::admin_purge_person::dsl::admin_purge_person;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(admin_purge_person.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -421,27 +466,31 @@ impl Crud for AdminPurgeCommunity {
   type InsertForm = AdminPurgeCommunityForm;
   type UpdateForm = AdminPurgeCommunityForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::admin_purge_community::dsl::admin_purge_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     admin_purge_community
       .find(from_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
     use crate::schema::admin_purge_community::dsl::admin_purge_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(admin_purge_community)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
     use crate::schema::admin_purge_community::dsl::admin_purge_community;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(admin_purge_community.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -454,24 +503,28 @@ impl Crud for AdminPurgePost {
   type InsertForm = AdminPurgePostForm;
   type UpdateForm = AdminPurgePostForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::admin_purge_post::dsl::admin_purge_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     admin_purge_post.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
     use crate::schema::admin_purge_post::dsl::admin_purge_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(admin_purge_post)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
     use crate::schema::admin_purge_post::dsl::admin_purge_post;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(admin_purge_post.find(from_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -484,24 +537,28 @@ impl Crud for AdminPurgeComment {
   type InsertForm = AdminPurgeCommentForm;
   type UpdateForm = AdminPurgeCommentForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, from_id: i32) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, from_id: i32) -> Result<Self, Error> {
     use crate::schema::admin_purge_comment::dsl::admin_purge_comment;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     admin_purge_comment.find(from_id).first::<Self>(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
     use crate::schema::admin_purge_comment::dsl::admin_purge_comment;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(admin_purge_comment)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn update(pool: &DbPool, from_id: i32, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn update(
+    mut pool: &mut impl GetConn,
+    from_id: i32,
+    form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
     use crate::schema::admin_purge_comment::dsl::admin_purge_comment;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(admin_purge_comment.find(from_id))
       .set(form)
       .get_result::<Self>(conn)

crates/db_schema/src/impls/password_reset_request.rs

@@ -8,7 +8,7 @@ use crate::{
   },
   source::password_reset_request::{PasswordResetRequest, PasswordResetRequestForm},
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{
   dsl::{insert_into, now, IntervalDsl},
@@ -24,26 +24,32 @@ impl Crud for PasswordResetRequest {
   type InsertForm = PasswordResetRequestForm;
   type UpdateForm = PasswordResetRequestForm;
   type IdType = i32;
-  async fn read(pool: &DbPool, password_reset_request_id: i32) -> Result<Self, Error> {
+  async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    password_reset_request_id: i32,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     password_reset_request
       .find(password_reset_request_id)
       .first::<Self>(conn)
       .await
   }
-  async fn create(pool: &DbPool, form: &PasswordResetRequestForm) -> Result<Self, Error> {
+  async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    form: &PasswordResetRequestForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(password_reset_request)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     password_reset_request_id: i32,
     form: &PasswordResetRequestForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(password_reset_request.find(password_reset_request_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -53,7 +59,7 @@ impl Crud for PasswordResetRequest {
 
 impl PasswordResetRequest {
   pub async fn create_token(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     from_local_user_id: LocalUserId,
     token: &str,
   ) -> Result<PasswordResetRequest, Error> {
@@ -68,8 +74,11 @@ impl PasswordResetRequest {
 
     Self::create(pool, &form).await
   }
-  pub async fn read_from_token(pool: &DbPool, token: &str) -> Result<PasswordResetRequest, Error> {
+  pub async fn read_from_token(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    token: &str,
+  ) -> Result<PasswordResetRequest, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let mut hasher = Sha256::new();
     hasher.update(token);
     let token_hash: String = bytes_to_hex(hasher.finalize().to_vec());
@@ -81,10 +90,10 @@ impl PasswordResetRequest {
   }
 
   pub async fn get_recent_password_resets_count(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     user_id: LocalUserId,
   ) -> Result<i64, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     password_reset_request
       .filter(local_user_id.eq(user_id))
       .filter(published.gt(now - 1.days()))

crates/db_schema/src/impls/person.rs

@@ -9,7 +9,7 @@ use crate::{
     PersonUpdateForm,
   },
   traits::{ApubActor, Crud, Followable},
-  utils::{functions::lower, get_conn, naive_now, DbPool},
+  utils::{functions::lower, naive_now, DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, JoinOnDsl, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -19,33 +19,33 @@ impl Crud for Person {
   type InsertForm = PersonInsertForm;
   type UpdateForm = PersonUpdateForm;
   type IdType = PersonId;
-  async fn read(pool: &DbPool, person_id: PersonId) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, person_id: PersonId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     person::table
       .filter(person::deleted.eq(false))
       .find(person_id)
       .first::<Self>(conn)
       .await
   }
-  async fn delete(pool: &DbPool, person_id: PersonId) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, person_id: PersonId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(person::table.find(person_id))
       .execute(conn)
       .await
   }
-  async fn create(pool: &DbPool, form: &PersonInsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &PersonInsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(person::table)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_id: PersonId,
     form: &PersonUpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(person::table.find(person_id))
       .set(form)
       .get_result::<Self>(conn)
@@ -57,8 +57,8 @@ impl Person {
   /// Update or insert the person.
   ///
   /// This is necessary for federation, because Activitypub doesnt distinguish between these actions.
-  pub async fn upsert(pool: &DbPool, form: &PersonInsertForm) -> Result<Self, Error> {
+  pub async fn upsert(mut pool: &mut impl GetConn, form: &PersonInsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(person::table)
       .values(form)
       .on_conflict(person::actor_id)
@@ -67,8 +67,11 @@ impl Person {
       .get_result::<Self>(conn)
       .await
   }
-  pub async fn delete_account(pool: &DbPool, person_id: PersonId) -> Result<Person, Error> {
+  pub async fn delete_account(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+  ) -> Result<Person, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     // Set the local user info to none
     diesel::update(local_user::table.filter(local_user::person_id.eq(person_id)))
@@ -104,8 +107,11 @@ pub fn is_banned(banned_: bool, expires: Option<chrono::NaiveDateTime>) -> bool
 
 #[async_trait]
 impl ApubActor for Person {
-  async fn read_from_apub_id(pool: &DbPool, object_id: &DbUrl) -> Result<Option<Self>, Error> {
+  async fn read_from_apub_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    object_id: &DbUrl,
+  ) -> Result<Option<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     Ok(
       person::table
         .filter(person::deleted.eq(false))
@@ -118,11 +124,11 @@ impl ApubActor for Person {
   }
 
   async fn read_from_name(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     from_name: &str,
     include_deleted: bool,
   ) -> Result<Person, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let mut q = person::table
       .into_boxed()
       .filter(person::local.eq(true))
@@ -134,11 +140,11 @@ impl ApubActor for Person {
   }
 
   async fn read_from_name_and_domain(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_name: &str,
     for_domain: &str,
   ) -> Result<Person, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     person::table
       .inner_join(instance::table)
@@ -153,9 +159,9 @@ impl ApubActor for Person {
 #[async_trait]
 impl Followable for PersonFollower {
   type Form = PersonFollowerForm;
-  async fn follow(pool: &DbPool, form: &PersonFollowerForm) -> Result<Self, Error> {
+  async fn follow(mut pool: &mut impl GetConn, form: &PersonFollowerForm) -> Result<Self, Error> {
     use crate::schema::person_follower::dsl::{follower_id, person_follower, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(person_follower)
       .values(form)
       .on_conflict((follower_id, person_id))
@@ -164,12 +170,19 @@ impl Followable for PersonFollower {
       .get_result::<Self>(conn)
       .await
   }
-  async fn follow_accepted(_: &DbPool, _: CommunityId, _: PersonId) -> Result<Self, Error> {
+  async fn follow_accepted(
+    _: &mut impl GetConn,
+    _: CommunityId,
+    _: PersonId,
+  ) -> Result<Self, Error> {
     unimplemented!()
   }
-  async fn unfollow(pool: &DbPool, form: &PersonFollowerForm) -> Result<usize, Error> {
+  async fn unfollow(
+    mut pool: &mut impl GetConn,
+    form: &PersonFollowerForm,
+  ) -> Result<usize, Error> {
     use crate::schema::person_follower::dsl::{follower_id, person_follower, person_id};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       person_follower
         .filter(follower_id.eq(&form.follower_id))
@@ -182,10 +195,10 @@ impl Followable for PersonFollower {
 
 impl PersonFollower {
   pub async fn list_followers(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_person_id: PersonId,
   ) -> Result<Vec<Person>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     person_follower::table
       .inner_join(person::table.on(person_follower::follower_id.eq(person::id)))
       .filter(person_follower::person_id.eq(for_person_id))

crates/db_schema/src/impls/person_block.rs

@@ -3,18 +3,18 @@ use crate::{
   schema::person_block::dsl::{person_block, person_id, target_id},
   source::person_block::{PersonBlock, PersonBlockForm},
   traits::Blockable,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl PersonBlock {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_person_id: PersonId,
     for_recipient_id: PersonId,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     person_block
       .filter(person_id.eq(for_person_id))
       .filter(target_id.eq(for_recipient_id))
@@ -26,8 +26,11 @@ impl PersonBlock {
 #[async_trait]
 impl Blockable for PersonBlock {
   type Form = PersonBlockForm;
-  async fn block(pool: &DbPool, person_block_form: &PersonBlockForm) -> Result<Self, Error> {
+  async fn block(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_block_form: &PersonBlockForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(person_block)
       .values(person_block_form)
       .on_conflict((person_id, target_id))
@@ -36,8 +39,11 @@ impl Blockable for PersonBlock {
       .get_result::<Self>(conn)
       .await
   }
-  async fn unblock(pool: &DbPool, person_block_form: &Self::Form) -> Result<usize, Error> {
+  async fn unblock(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_block_form: &Self::Form,
+  ) -> Result<usize, Error> {
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       person_block
         .filter(person_id.eq(person_block_form.person_id))

crates/db_schema/src/impls/person_mention.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::person_mention::dsl::{comment_id, person_mention, read, recipient_id},
   source::person_mention::{PersonMention, PersonMentionInsertForm, PersonMentionUpdateForm},
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -13,16 +13,22 @@ impl Crud for PersonMention {
   type InsertForm = PersonMentionInsertForm;
   type UpdateForm = PersonMentionUpdateForm;
   type IdType = PersonMentionId;
-  async fn read(pool: &DbPool, person_mention_id: PersonMentionId) -> Result<Self, Error> {
+  async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_mention_id: PersonMentionId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     person_mention
       .find(person_mention_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, person_mention_form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_mention_form: &Self::InsertForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     // since the return here isnt utilized, we dont need to do an update
     // but get_result doesnt return the existing row here
     insert_into(person_mention)
@@ -35,11 +41,11 @@ impl Crud for PersonMention {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_mention_id: PersonMentionId,
     person_mention_form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(person_mention.find(person_mention_id))
       .set(person_mention_form)
       .get_result::<Self>(conn)
@@ -49,10 +55,10 @@ impl Crud for PersonMention {
 
 impl PersonMention {
   pub async fn mark_all_as_read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_recipient_id: PersonId,
   ) -> Result<Vec<PersonMention>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(
       person_mention
         .filter(recipient_id.eq(for_recipient_id))
@@ -64,11 +70,11 @@ impl PersonMention {
   }
 
   pub async fn read_by_comment_and_person(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_comment_id: CommentId,
     for_recipient_id: PersonId,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     person_mention
       .filter(comment_id.eq(for_comment_id))
       .filter(recipient_id.eq(for_recipient_id))

crates/db_schema/src/impls/post.rs

@@ -27,7 +27,7 @@ use crate::{
     PostUpdateForm,
   },
   traits::{Crud, Likeable, Readable, Saveable},
-  utils::{get_conn, naive_now, DbPool, DELETED_REPLACEMENT_TEXT, FETCH_LIMIT_MAX},
+  utils::{naive_now, DbPool, GetConn, DELETED_REPLACEMENT_TEXT, FETCH_LIMIT_MAX},
 };
 use ::url::Url;
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl, TextExpressionMethods};
@@ -38,18 +38,18 @@ impl Crud for Post {
   type InsertForm = PostInsertForm;
   type UpdateForm = PostUpdateForm;
   type IdType = PostId;
-  async fn read(pool: &DbPool, post_id: PostId) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, post_id: PostId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     post.find(post_id).first::<Self>(conn).await
   }
 
-  async fn delete(pool: &DbPool, post_id: PostId) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, post_id: PostId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(post.find(post_id)).execute(conn).await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(post)
       .values(form)
       .on_conflict(ap_id)
@@ -60,11 +60,11 @@ impl Crud for Post {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     post_id: PostId,
     new_post: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(post.find(post_id))
       .set(new_post)
       .get_result::<Self>(conn)
@@ -74,10 +74,10 @@ impl Crud for Post {
 
 impl Post {
   pub async fn list_for_community(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     the_community_id: CommunityId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     post
       .filter(community_id.eq(the_community_id))
       .filter(deleted.eq(false))
@@ -90,10 +90,10 @@ impl Post {
   }
 
   pub async fn list_featured_for_community(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     the_community_id: CommunityId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     post
       .filter(community_id.eq(the_community_id))
       .filter(deleted.eq(false))
@@ -106,10 +106,10 @@ impl Post {
   }
 
   pub async fn permadelete_for_creator(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_creator_id: PersonId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     diesel::update(post.filter(creator_id.eq(for_creator_id)))
       .set((
@@ -124,12 +124,12 @@ impl Post {
   }
 
   pub async fn update_removed_for_creator(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_creator_id: PersonId,
     for_community_id: Option<CommunityId>,
     new_removed: bool,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     let mut update = diesel::update(post).into_boxed();
     update = update.filter(creator_id.eq(for_creator_id));
@@ -148,8 +148,11 @@ impl Post {
     person_id == post_creator_id
   }
 
-  pub async fn read_from_apub_id(pool: &DbPool, object_id: Url) -> Result<Option<Self>, Error> {
+  pub async fn read_from_apub_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    object_id: Url,
+  ) -> Result<Option<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let object_id: DbUrl = object_id.into();
     Ok(
       post
@@ -162,10 +165,10 @@ impl Post {
   }
 
   pub async fn fetch_pictrs_posts_for_creator(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_creator_id: PersonId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let pictrs_search = "%pictrs/image%";
 
     post
@@ -177,10 +180,10 @@ impl Post {
 
   /// Sets the url and thumbnails fields to None
   pub async fn remove_pictrs_post_images_and_thumbnails_for_creator(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_creator_id: PersonId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let pictrs_search = "%pictrs/image%";
 
     diesel::update(
@@ -197,10 +200,10 @@ impl Post {
   }
 
   pub async fn fetch_pictrs_posts_for_community(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_community_id: CommunityId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let pictrs_search = "%pictrs/image%";
     post
       .filter(community_id.eq(for_community_id))
@@ -211,10 +214,10 @@ impl Post {
 
   /// Sets the url and thumbnails fields to None
   pub async fn remove_pictrs_post_images_and_thumbnails_for_community(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_community_id: CommunityId,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let pictrs_search = "%pictrs/image%";
 
     diesel::update(
@@ -235,9 +238,9 @@ impl Post {
 impl Likeable for PostLike {
   type Form = PostLikeForm;
   type IdType = PostId;
-  async fn like(pool: &DbPool, post_like_form: &PostLikeForm) -> Result<Self, Error> {
+  async fn like(mut pool: &mut impl GetConn, post_like_form: &PostLikeForm) -> Result<Self, Error> {
     use crate::schema::post_like::dsl::{person_id, post_id, post_like};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(post_like)
       .values(post_like_form)
       .on_conflict((post_id, person_id))
@@ -246,9 +249,13 @@ impl Likeable for PostLike {
       .get_result::<Self>(conn)
       .await
   }
-  async fn remove(pool: &DbPool, person_id: PersonId, post_id: PostId) -> Result<usize, Error> {
+  async fn remove(
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+    post_id: PostId,
+  ) -> Result<usize, Error> {
     use crate::schema::post_like::dsl;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       dsl::post_like
         .filter(dsl::post_id.eq(post_id))
@@ -262,9 +269,12 @@ impl Likeable for PostLike {
 #[async_trait]
 impl Saveable for PostSaved {
   type Form = PostSavedForm;
-  async fn save(pool: &DbPool, post_saved_form: &PostSavedForm) -> Result<Self, Error> {
+  async fn save(
+    mut pool: &mut impl GetConn,
+    post_saved_form: &PostSavedForm,
+  ) -> Result<Self, Error> {
     use crate::schema::post_saved::dsl::{person_id, post_id, post_saved};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(post_saved)
       .values(post_saved_form)
       .on_conflict((post_id, person_id))
@@ -273,9 +283,12 @@ impl Saveable for PostSaved {
       .get_result::<Self>(conn)
       .await
   }
-  async fn unsave(pool: &DbPool, post_saved_form: &PostSavedForm) -> Result<usize, Error> {
+  async fn unsave(
+    mut pool: &mut impl GetConn,
+    post_saved_form: &PostSavedForm,
+  ) -> Result<usize, Error> {
     use crate::schema::post_saved::dsl::{person_id, post_id, post_saved};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       post_saved
         .filter(post_id.eq(post_saved_form.post_id))
@@ -289,9 +302,12 @@ impl Saveable for PostSaved {
 #[async_trait]
 impl Readable for PostRead {
   type Form = PostReadForm;
-  async fn mark_as_read(pool: &DbPool, post_read_form: &PostReadForm) -> Result<Self, Error> {
+  async fn mark_as_read(
+    mut pool: &mut impl GetConn,
+    post_read_form: &PostReadForm,
+  ) -> Result<Self, Error> {
     use crate::schema::post_read::dsl::{person_id, post_id, post_read};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(post_read)
       .values(post_read_form)
       .on_conflict((post_id, person_id))
@@ -301,9 +317,12 @@ impl Readable for PostRead {
       .await
   }
 
-  async fn mark_as_unread(pool: &DbPool, post_read_form: &PostReadForm) -> Result<usize, Error> {
+  async fn mark_as_unread(
+    mut pool: &mut impl GetConn,
+    post_read_form: &PostReadForm,
+  ) -> Result<usize, Error> {
     use crate::schema::post_read::dsl::{person_id, post_id, post_read};
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(
       post_read
         .filter(post_id.eq(post_read_form.post_id))

crates/db_schema/src/impls/post_report.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::post_report::dsl::{post_report, resolved, resolver_id, updated},
   source::post_report::{PostReport, PostReportForm},
   traits::Reportable,
-  utils::{get_conn, naive_now, DbPool},
+  utils::{naive_now, DbPool, GetConn},
 };
 use diesel::{
   dsl::{insert_into, update},
@@ -18,8 +18,11 @@ impl Reportable for PostReport {
   type Form = PostReportForm;
   type IdType = PostReportId;
 
-  async fn report(pool: &DbPool, post_report_form: &PostReportForm) -> Result<Self, Error> {
+  async fn report(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    post_report_form: &PostReportForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(post_report)
       .values(post_report_form)
       .get_result::<Self>(conn)
@@ -27,11 +30,11 @@ impl Reportable for PostReport {
   }
 
   async fn resolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: Self::IdType,
     by_resolver_id: PersonId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     update(post_report.find(report_id))
       .set((
         resolved.eq(true),
@@ -43,11 +46,11 @@ impl Reportable for PostReport {
   }
 
   async fn unresolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: Self::IdType,
     by_resolver_id: PersonId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     update(post_report.find(report_id))
       .set((
         resolved.eq(false),

crates/db_schema/src/impls/private_message.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::private_message::dsl::{ap_id, private_message, read, recipient_id},
   source::private_message::{PrivateMessage, PrivateMessageInsertForm, PrivateMessageUpdateForm},
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -15,16 +15,19 @@ impl Crud for PrivateMessage {
   type InsertForm = PrivateMessageInsertForm;
   type UpdateForm = PrivateMessageUpdateForm;
   type IdType = PrivateMessageId;
-  async fn read(pool: &DbPool, private_message_id: PrivateMessageId) -> Result<Self, Error> {
+  async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    private_message_id: PrivateMessageId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     private_message
       .find(private_message_id)
       .first::<Self>(conn)
       .await
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(private_message)
       .values(form)
       .on_conflict(ap_id)
@@ -35,18 +38,18 @@ impl Crud for PrivateMessage {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     private_message_id: PrivateMessageId,
     form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(private_message.find(private_message_id))
       .set(form)
       .get_result::<Self>(conn)
       .await
   }
-  async fn delete(pool: &DbPool, pm_id: Self::IdType) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, pm_id: Self::IdType) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(private_message.find(pm_id))
       .execute(conn)
       .await
@@ -55,10 +58,10 @@ impl Crud for PrivateMessage {
 
 impl PrivateMessage {
   pub async fn mark_all_as_read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_recipient_id: PersonId,
   ) -> Result<Vec<PrivateMessage>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(
       private_message
         .filter(recipient_id.eq(for_recipient_id))
@@ -70,10 +73,10 @@ impl PrivateMessage {
   }
 
   pub async fn read_from_apub_id(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     object_id: Url,
   ) -> Result<Option<Self>, LemmyError> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let object_id: DbUrl = object_id.into();
     Ok(
       private_message

crates/db_schema/src/impls/private_message_report.rs

@@ -3,7 +3,7 @@ use crate::{
   schema::private_message_report::dsl::{private_message_report, resolved, resolver_id, updated},
   source::private_message_report::{PrivateMessageReport, PrivateMessageReportForm},
   traits::Reportable,
-  utils::{get_conn, naive_now, DbPool},
+  utils::{naive_now, DbPool, GetConn},
 };
 use diesel::{
   dsl::{insert_into, update},
@@ -18,8 +18,11 @@ impl Reportable for PrivateMessageReport {
   type Form = PrivateMessageReportForm;
   type IdType = PrivateMessageReportId;
 
-  async fn report(pool: &DbPool, pm_report_form: &PrivateMessageReportForm) -> Result<Self, Error> {
+  async fn report(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    pm_report_form: &PrivateMessageReportForm,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     insert_into(private_message_report)
       .values(pm_report_form)
       .get_result::<Self>(conn)
@@ -27,11 +30,11 @@ impl Reportable for PrivateMessageReport {
   }
 
   async fn resolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: Self::IdType,
     by_resolver_id: PersonId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     update(private_message_report.find(report_id))
       .set((
         resolved.eq(true),
@@ -43,11 +46,11 @@ impl Reportable for PrivateMessageReport {
   }
 
   async fn unresolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: Self::IdType,
     by_resolver_id: PersonId,
   ) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     update(private_message_report.find(report_id))
       .set((
         resolved.eq(false),

crates/db_schema/src/impls/registration_application.rs

@@ -7,7 +7,7 @@ use crate::{
     RegistrationApplicationUpdateForm,
   },
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -18,33 +18,33 @@ impl Crud for RegistrationApplication {
   type UpdateForm = RegistrationApplicationUpdateForm;
   type IdType = i32;
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     insert_into(registration_application)
       .values(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn read(pool: &DbPool, id_: Self::IdType) -> Result<Self, Error> {
+  async fn read(mut pool: &mut impl GetConn, id_: Self::IdType) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     registration_application.find(id_).first::<Self>(conn).await
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     id_: Self::IdType,
     form: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(registration_application.find(id_))
       .set(form)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn delete(pool: &DbPool, id_: Self::IdType) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, id_: Self::IdType) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(registration_application.find(id_))
       .execute(conn)
       .await
@@ -53,10 +53,10 @@ impl Crud for RegistrationApplication {
 
 impl RegistrationApplication {
   pub async fn find_by_local_user_id(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     local_user_id_: LocalUserId,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     registration_application
       .filter(local_user_id.eq(local_user_id_))
       .first::<Self>(conn)

crates/db_schema/src/impls/secret.rs

@@ -1,7 +1,7 @@
 use crate::{
   schema::secret::dsl::secret,
   source::secret::Secret,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::result::Error;
 use diesel_async::RunQueryDsl;
@@ -9,12 +9,12 @@ use diesel_async::RunQueryDsl;
 impl Secret {
   /// Initialize the Secrets from the DB.
   /// Warning: You should only call this once.
-  pub async fn init(pool: &DbPool) -> Result<Secret, Error> {
+  pub async fn init(mut pool: &mut impl GetConn) -> Result<Secret, Error> {
     Self::read_secrets(pool).await
   }
 
-  async fn read_secrets(pool: &DbPool) -> Result<Secret, Error> {
+  async fn read_secrets(mut pool: &mut impl GetConn) -> Result<Secret, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     secret.first::<Secret>(conn).await
   }
 }

crates/db_schema/src/impls/site.rs

@@ -6,7 +6,7 @@ use crate::{
     site::{Site, SiteInsertForm, SiteUpdateForm},
   },
   traits::Crud,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{dsl::insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::RunQueryDsl;
@@ -19,12 +19,12 @@ impl Crud for Site {
   type IdType = SiteId;
 
   /// Use SiteView::read_local, or Site::read_from_apub_id instead
-  async fn read(_pool: &DbPool, _site_id: SiteId) -> Result<Self, Error> {
+  async fn read(_pool: &mut impl GetConn, _site_id: SiteId) -> Result<Self, Error> {
     unimplemented!()
   }
 
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error> {
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let is_new_site = match &form.actor_id {
       Some(id_) => Site::read_from_apub_id(pool, id_).await?.is_none(),
       None => true,
@@ -48,26 +48,29 @@ impl Crud for Site {
   }
 
   async fn update(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     site_id: SiteId,
     new_site: &Self::UpdateForm,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::update(site.find(site_id))
       .set(new_site)
       .get_result::<Self>(conn)
       .await
   }
 
-  async fn delete(pool: &DbPool, site_id: SiteId) -> Result<usize, Error> {
+  async fn delete(mut pool: &mut impl GetConn, site_id: SiteId) -> Result<usize, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     diesel::delete(site.find(site_id)).execute(conn).await
   }
 }
 
 impl Site {
-  pub async fn read_from_apub_id(pool: &DbPool, object_id: &DbUrl) -> Result<Option<Self>, Error> {
+  pub async fn read_from_apub_id(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    object_id: &DbUrl,
+  ) -> Result<Option<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     Ok(
       site
         .filter(actor_id.eq(object_id))
@@ -79,8 +82,8 @@ impl Site {
   }
 
   // TODO this needs fixed
-  pub async fn read_remote_sites(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn read_remote_sites(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     site.order_by(id).offset(1).get_results::<Self>(conn).await
   }
 

crates/db_schema/src/impls/tagline.rs

@@ -2,18 +2,18 @@ use crate::{
   newtypes::LocalSiteId,
   schema::tagline::dsl::{local_site_id, tagline},
   source::tagline::{Tagline, TaglineForm},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use diesel::{insert_into, result::Error, ExpressionMethods, QueryDsl};
 use diesel_async::{AsyncPgConnection, RunQueryDsl};
 
 impl Tagline {
   pub async fn replace(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     for_local_site_id: LocalSiteId,
     list_content: Option<Vec<String>>,
   ) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     if let Some(list) = list_content {
       conn
         .build_transaction()
@@ -54,8 +54,11 @@ impl Tagline {
       .get_results::<Self>(conn)
       .await
   }
-  pub async fn get_all(pool: &DbPool, for_local_site_id: LocalSiteId) -> Result<Vec<Self>, Error> {
+  pub async fn get_all(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    for_local_site_id: LocalSiteId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     Self::get_all_conn(conn, for_local_site_id).await
   }
 }

crates/db_schema/src/traits.rs

@@ -1,6 +1,6 @@
 use crate::{
   newtypes::{CommunityId, DbUrl, PersonId},
-  utils::DbPool,
+  utils::{DbPool, GetConn},
 };
 use diesel::result::Error;
 
@@ -9,17 +9,21 @@ pub trait Crud {
   type InsertForm;
   type UpdateForm;
   type IdType;
-  async fn create(pool: &DbPool, form: &Self::InsertForm) -> Result<Self, Error>
+  async fn create(mut pool: &mut impl GetConn, form: &Self::InsertForm) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn read(pool: &DbPool, id: Self::IdType) -> Result<Self, Error>
+  async fn read(mut pool: &mut impl GetConn, id: Self::IdType) -> Result<Self, Error>
   where
     Self: Sized;
   /// when you want to null out a column, you have to send Some(None)), since sending None means you just don't want to update that column.
-  async fn update(pool: &DbPool, id: Self::IdType, form: &Self::UpdateForm) -> Result<Self, Error>
+  async fn update(
+    mut pool: &mut impl GetConn,
+    id: Self::IdType,
+    form: &Self::UpdateForm,
+  ) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn delete(_pool: &DbPool, _id: Self::IdType) -> Result<usize, Error>
+  async fn delete(_pool: &mut impl GetConn, _id: Self::IdType) -> Result<usize, Error>
   where
     Self: Sized,
     Self::IdType: Send,
@@ -31,17 +35,17 @@ pub trait Crud {
 #[async_trait]
 pub trait Followable {
   type Form;
-  async fn follow(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn follow(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
   async fn follow_accepted(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_id: CommunityId,
     person_id: PersonId,
   ) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn unfollow(pool: &DbPool, form: &Self::Form) -> Result<usize, Error>
+  async fn unfollow(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<usize, Error>
   where
     Self: Sized;
 }
@@ -49,10 +53,10 @@ pub trait Followable {
 #[async_trait]
 pub trait Joinable {
   type Form;
-  async fn join(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn join(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn leave(pool: &DbPool, form: &Self::Form) -> Result<usize, Error>
+  async fn leave(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<usize, Error>
   where
     Self: Sized;
 }
@@ -61,11 +65,11 @@ pub trait Joinable {
 pub trait Likeable {
   type Form;
   type IdType;
-  async fn like(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn like(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
   async fn remove(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_id: PersonId,
     item_id: Self::IdType,
   ) -> Result<usize, Error>
@@ -76,10 +80,10 @@ pub trait Likeable {
 #[async_trait]
 pub trait Bannable {
   type Form;
-  async fn ban(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn ban(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn unban(pool: &DbPool, form: &Self::Form) -> Result<usize, Error>
+  async fn unban(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<usize, Error>
   where
     Self: Sized;
 }
@@ -87,10 +91,10 @@ pub trait Bannable {
 #[async_trait]
 pub trait Saveable {
   type Form;
-  async fn save(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn save(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn unsave(pool: &DbPool, form: &Self::Form) -> Result<usize, Error>
+  async fn unsave(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<usize, Error>
   where
     Self: Sized;
 }
@@ -98,10 +102,10 @@ pub trait Saveable {
 #[async_trait]
 pub trait Blockable {
   type Form;
-  async fn block(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn block(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn unblock(pool: &DbPool, form: &Self::Form) -> Result<usize, Error>
+  async fn unblock(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<usize, Error>
   where
     Self: Sized;
 }
@@ -109,10 +113,10 @@ pub trait Blockable {
 #[async_trait]
 pub trait Readable {
   type Form;
-  async fn mark_as_read(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn mark_as_read(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
-  async fn mark_as_unread(pool: &DbPool, form: &Self::Form) -> Result<usize, Error>
+  async fn mark_as_unread(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<usize, Error>
   where
     Self: Sized;
 }
@@ -121,18 +125,18 @@ pub trait Readable {
 pub trait Reportable {
   type Form;
   type IdType;
-  async fn report(pool: &DbPool, form: &Self::Form) -> Result<Self, Error>
+  async fn report(mut pool: &mut impl GetConn, form: &Self::Form) -> Result<Self, Error>
   where
     Self: Sized;
   async fn resolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: Self::IdType,
     resolver_id: PersonId,
   ) -> Result<usize, Error>
   where
     Self: Sized;
   async fn unresolve(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: Self::IdType,
     resolver_id: PersonId,
   ) -> Result<usize, Error>
@@ -149,20 +153,23 @@ pub trait JoinView {
 
 #[async_trait]
 pub trait ApubActor {
-  async fn read_from_apub_id(pool: &DbPool, object_id: &DbUrl) -> Result<Option<Self>, Error>
+  async fn read_from_apub_id(
+    mut pool: &mut impl GetConn,
+    object_id: &DbUrl,
+  ) -> Result<Option<Self>, Error>
   where
     Self: Sized;
   /// - actor_name is the name of the community or user to read.
   /// - include_deleted, if true, will return communities or users that were deleted/removed
   async fn read_from_name(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     actor_name: &str,
     include_deleted: bool,
   ) -> Result<Self, Error>
   where
     Self: Sized;
   async fn read_from_name_and_domain(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     actor_name: &str,
     protocol_domain: &str,
   ) -> Result<Self, Error>

crates/db_schema/src/utils.rs

@@ -50,33 +50,48 @@ const POOL_TIMEOUT: Option<Duration> = Some(Duration::from_secs(5));
 pub type DbPool = Pool<AsyncPgConnection>;
 
 #[async_trait]
-pub trait GetConn {
+pub trait GetConn: Send {
-  type Conn: std::ops::Deref<Target = AsyncPgConnection>;
+  type Conn<'conn>: std::ops::DerefMut<Target = AsyncPgConnection> + Send
+  where
+    Self: 'conn;
 
-  async fn get_conn(self) -> Result<Self::Conn, DieselError>;
+  // Without `&mut`, `self` would move when this method is called,
+  // which prevents calling it multiple times on the same `impl GetConn`.
+  async fn get_conn<'conn>(&mut self) -> Result<Self::Conn<'conn>, DieselError>
+  where
+    'life0: 'conn; //where
+                   //Self::Conn: 'life0;
 }
 
 #[async_trait]
 impl<'a> GetConn for &'a DbPool {
-  type Conn = PooledConnection<AsyncPgConnection>;
+  type Conn<'conn> = PooledConnection<AsyncPgConnection>;
 
-  async fn get_conn(self) -> Result<Self::Conn, DieselError> {
+  async fn get_conn<'conn>(&mut self) -> Result<Self::Conn<'conn>, DieselError>
+  where
+    'life0: 'conn, //where
+                   //Self::Conn: 'life0,
+  {
     self.get().await.map_err(|e| QueryBuilderError(e.into()))
   }
 }
 
 #[async_trait]
-impl<'a> GetConn for &'a mut AsyncPgConnection {
+impl GetConn for AsyncPgConnection {
-  type Conn = Self;
+  type Conn<'conn> = &'conn mut AsyncPgConnection;
 
-  async fn get_conn(self) -> Result<Self::Conn, DieselError> {
+  async fn get_conn<'conn>(&mut self) -> Result<Self::Conn<'conn>, DieselError>
+  where
+    'life0: 'conn, //where
+                   //Self::Conn: 'life0,
+  {
     Ok(self)
   }
 }
 
-pub async fn get_conn<T: GetConn>(getter: T) -> Result<T::Conn, DieselError> {
+/*pub async fn get_conn<T: GetConn>(getter: T) -> Result<T::Conn, DieselError> {
   getter.get_conn().await
-}
+}*/
 
 pub fn get_database_url_from_env() -> Result<String, VarError> {
   env::var("LEMMY_DATABASE_URL")

crates/db_views/src/comment_report_view.rs

@@ -31,7 +31,7 @@ use lemmy_db_schema::{
     post::Post,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 use typed_builder::TypedBuilder;
 
@@ -40,11 +40,11 @@ impl CommentReportView {
   ///
   /// * `report_id` - the report id to obtain
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: CommentReportId,
     my_person_id: PersonId,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     let (person_alias_1, person_alias_2) = diesel::alias!(person as person1, person as person2);
 
@@ -96,14 +96,14 @@ impl CommentReportView {
 
   /// Returns the current unresolved post report count for the communities you mod
   pub async fn get_report_count(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     my_person_id: PersonId,
     admin: bool,
     community_id: Option<CommunityId>,
   ) -> Result<i64, Error> {
     use diesel::dsl::count;
 
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     let mut query = comment_report::table
       .inner_join(comment::table)

crates/db_views/src/comment_view.rs

@@ -36,7 +36,7 @@ use lemmy_db_schema::{
     post::Post,
   },
   traits::JoinView,
-  utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
+  utils::{fuzzy_search, limit_and_offset, DbPool, GetConn},
   CommentSortType,
   ListingType,
 };
@@ -57,11 +57,11 @@ type CommentViewTuple = (
 
 impl CommentView {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     comment_id: CommentId,
     my_person_id: Option<PersonId>,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     // The left join below will return None in this case
     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
@@ -431,7 +431,7 @@ mod tests {
     inserted_community: Community,
   }
 
-  async fn init_data(pool: &DbPool) -> Data {
+  async fn init_data(mut pool: &mut impl GetConn) -> Data {
     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
       .await
       .unwrap();
@@ -781,7 +781,7 @@ mod tests {
     cleanup(data, pool).await;
   }
 
-  async fn cleanup(data: Data, pool: &DbPool) {
+  async fn cleanup(data: Data, mut pool: &mut impl GetConn) {
     CommentLike::remove(pool, data.inserted_person.id, data.inserted_comment_0.id)
       .await
       .unwrap();
@@ -804,7 +804,7 @@ mod tests {
       .unwrap();
   }
 
-  async fn expected_comment_view(data: &Data, pool: &DbPool) -> CommentView {
+  async fn expected_comment_view(data: &Data, mut pool: &mut impl GetConn) -> CommentView {
     let agg = CommentAggregates::read(pool, data.inserted_comment_0.id)
       .await
       .unwrap();

crates/db_views/src/custom_emoji_view.rs

@@ -5,15 +5,15 @@ use lemmy_db_schema::{
   newtypes::{CustomEmojiId, LocalSiteId},
   schema::{custom_emoji, custom_emoji_keyword},
   source::{custom_emoji::CustomEmoji, custom_emoji_keyword::CustomEmojiKeyword},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 use std::collections::HashMap;
 
 type CustomEmojiTuple = (CustomEmoji, Option<CustomEmojiKeyword>);
 
 impl CustomEmojiView {
-  pub async fn get(pool: &DbPool, emoji_id: CustomEmojiId) -> Result<Self, Error> {
+  pub async fn get(mut pool: &mut impl GetConn, emoji_id: CustomEmojiId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let emojis = custom_emoji::table
       .find(emoji_id)
       .left_join(
@@ -35,8 +35,11 @@ impl CustomEmojiView {
     }
   }
 
-  pub async fn get_all(pool: &DbPool, for_local_site_id: LocalSiteId) -> Result<Vec<Self>, Error> {
+  pub async fn get_all(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    for_local_site_id: LocalSiteId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let emojis = custom_emoji::table
       .filter(custom_emoji::local_site_id.eq(for_local_site_id))
       .left_join(

crates/db_views/src/local_user_view.rs

@@ -7,14 +7,17 @@ use lemmy_db_schema::{
   schema::{local_user, person, person_aggregates},
   source::{local_user::LocalUser, person::Person},
   traits::JoinView,
-  utils::{functions::lower, get_conn, DbPool},
+  utils::{functions::lower, DbPool, GetConn},
 };
 
 type LocalUserViewTuple = (LocalUser, Person, PersonAggregates);
 
 impl LocalUserView {
-  pub async fn read(pool: &DbPool, local_user_id: LocalUserId) -> Result<Self, Error> {
+  pub async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    local_user_id: LocalUserId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let (local_user, person, counts) = local_user::table
       .find(local_user_id)
@@ -34,8 +37,11 @@ impl LocalUserView {
     })
   }
 
-  pub async fn read_person(pool: &DbPool, person_id: PersonId) -> Result<Self, Error> {
+  pub async fn read_person(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let (local_user, person, counts) = local_user::table
       .filter(person::id.eq(person_id))
       .inner_join(person::table)
@@ -54,8 +60,8 @@ impl LocalUserView {
     })
   }
 
-  pub async fn read_from_name(pool: &DbPool, name: &str) -> Result<Self, Error> {
+  pub async fn read_from_name(mut pool: &mut impl GetConn, name: &str) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let (local_user, person, counts) = local_user::table
       .filter(lower(person::name).eq(name.to_lowercase()))
       .inner_join(person::table)
@@ -74,8 +80,11 @@ impl LocalUserView {
     })
   }
 
-  pub async fn find_by_email_or_name(pool: &DbPool, name_or_email: &str) -> Result<Self, Error> {
+  pub async fn find_by_email_or_name(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    name_or_email: &str,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let (local_user, person, counts) = local_user::table
       .inner_join(person::table)
       .inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
@@ -98,8 +107,8 @@ impl LocalUserView {
     })
   }
 
-  pub async fn find_by_email(pool: &DbPool, from_email: &str) -> Result<Self, Error> {
+  pub async fn find_by_email(mut pool: &mut impl GetConn, from_email: &str) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let (local_user, person, counts) = local_user::table
       .inner_join(person::table)
       .inner_join(person_aggregates::table.on(person::id.eq(person_aggregates::person_id)))
@@ -118,8 +127,8 @@ impl LocalUserView {
     })
   }
 
-  pub async fn list_admins_with_emails(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn list_admins_with_emails(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let res = local_user::table
       .filter(person::admin.eq(true))
       .filter(local_user::email.is_not_null())

crates/db_views/src/post_report_view.rs

@@ -28,7 +28,7 @@ use lemmy_db_schema::{
     post_report::PostReport,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 use typed_builder::TypedBuilder;
 
@@ -49,11 +49,11 @@ impl PostReportView {
   ///
   /// * `report_id` - the report id to obtain
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     report_id: PostReportId,
     my_person_id: PersonId,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let (person_alias_1, person_alias_2) = diesel::alias!(person as person1, person as person2);
 
     let (
@@ -121,13 +121,13 @@ impl PostReportView {
 
   /// returns the current unresolved post report count for the communities you mod
   pub async fn get_report_count(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     my_person_id: PersonId,
     admin: bool,
     community_id: Option<CommunityId>,
   ) -> Result<i64, Error> {
     use diesel::dsl::count;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let mut query = post_report::table
       .inner_join(post::table)
       .filter(post_report::resolved.eq(false))

crates/db_views/src/post_view.rs

@@ -40,7 +40,7 @@ use lemmy_db_schema::{
     post::{Post, PostRead, PostSaved},
   },
   traits::JoinView,
-  utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
+  utils::{fuzzy_search, limit_and_offset, DbPool, GetConn},
   ListingType,
   SortType,
 };
@@ -65,12 +65,12 @@ sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_type
 
 impl PostView {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     post_id: PostId,
     my_person_id: Option<PersonId>,
     is_mod_or_admin: Option<bool>,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     // The left join below will return None in this case
     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
@@ -510,7 +510,7 @@ mod tests {
     inserted_post: Post,
   }
 
-  async fn init_data(pool: &DbPool) -> Data {
+  async fn init_data(mut pool: &mut impl GetConn) -> Data {
     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
       .await
       .unwrap();
@@ -930,7 +930,7 @@ mod tests {
     cleanup(data, pool).await;
   }
 
-  async fn cleanup(data: Data, pool: &DbPool) {
+  async fn cleanup(data: Data, mut pool: &mut impl GetConn) {
     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
     Community::delete(pool, data.inserted_community.id)
       .await
@@ -946,7 +946,7 @@ mod tests {
     assert_eq!(1, num_deleted);
   }
 
-  async fn expected_post_view(data: &Data, pool: &DbPool) -> PostView {
+  async fn expected_post_view(data: &Data, mut pool: &mut impl GetConn) -> PostView {
     let (inserted_person, inserted_community, inserted_post) = (
       &data.inserted_person,
       &data.inserted_community,

crates/db_views/src/private_message_report_view.rs

@@ -10,7 +10,7 @@ use lemmy_db_schema::{
     private_message_report::PrivateMessageReport,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 use typed_builder::TypedBuilder;
 
@@ -26,8 +26,11 @@ impl PrivateMessageReportView {
   /// returns the PrivateMessageReportView for the provided report_id
   ///
   /// * `report_id` - the report id to obtain
-  pub async fn read(pool: &DbPool, report_id: PrivateMessageReportId) -> Result<Self, Error> {
+  pub async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    report_id: PrivateMessageReportId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let (person_alias_1, person_alias_2) = diesel::alias!(person as person1, person as person2);
 
     let (private_message_report, private_message, private_message_creator, creator, resolver) =
@@ -64,9 +67,9 @@ impl PrivateMessageReportView {
   }
 
   /// Returns the current unresolved post report count for the communities you mod
-  pub async fn get_report_count(pool: &DbPool) -> Result<i64, Error> {
+  pub async fn get_report_count(mut pool: &mut impl GetConn) -> Result<i64, Error> {
     use diesel::dsl::count;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     private_message_report::table
       .inner_join(private_message::table)

crates/db_views/src/private_message_view.rs

@@ -14,7 +14,7 @@ use lemmy_db_schema::{
   schema::{person, private_message},
   source::{person::Person, private_message::PrivateMessage},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 use tracing::debug;
 use typed_builder::TypedBuilder;
@@ -22,8 +22,11 @@ use typed_builder::TypedBuilder;
 type PrivateMessageViewTuple = (PrivateMessage, Person, Person);
 
 impl PrivateMessageView {
-  pub async fn read(pool: &DbPool, private_message_id: PrivateMessageId) -> Result<Self, Error> {
+  pub async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    private_message_id: PrivateMessageId,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
 
     let (private_message, creator, recipient) = private_message::table
@@ -49,9 +52,12 @@ impl PrivateMessageView {
   }
 
   /// Gets the number of unread messages
-  pub async fn get_unread_messages(pool: &DbPool, my_person_id: PersonId) -> Result<i64, Error> {
+  pub async fn get_unread_messages(
+    mut pool: &mut impl GetConn,
+    my_person_id: PersonId,
+  ) -> Result<i64, Error> {
     use diesel::dsl::count;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     private_message::table
       .filter(private_message::read.eq(false))
       .filter(private_message::recipient_id.eq(my_person_id))

crates/db_views/src/registration_application_view.rs

@@ -16,7 +16,7 @@ use lemmy_db_schema::{
     registration_application::RegistrationApplication,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 use typed_builder::TypedBuilder;
 
@@ -24,8 +24,11 @@ type RegistrationApplicationViewTuple =
   (RegistrationApplication, LocalUser, Person, Option<Person>);
 
 impl RegistrationApplicationView {
-  pub async fn read(pool: &DbPool, registration_application_id: i32) -> Result<Self, Error> {
+  pub async fn read(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    registration_application_id: i32,
+  ) -> Result<Self, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
 
     let (registration_application, creator_local_user, creator, admin) =
@@ -58,8 +61,11 @@ impl RegistrationApplicationView {
   }
 
   /// Returns the current unread registration_application count
-  pub async fn get_unread_count(pool: &DbPool, verified_email_only: bool) -> Result<i64, Error> {
+  pub async fn get_unread_count(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    verified_email_only: bool,
+  ) -> Result<i64, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
 
     let mut query = registration_application::table

crates/db_views/src/site_view.rs

@@ -5,12 +5,12 @@ use lemmy_db_schema::{
   aggregates::structs::SiteAggregates,
   schema::{local_site, local_site_rate_limit, site, site_aggregates},
   source::{local_site::LocalSite, local_site_rate_limit::LocalSiteRateLimit, site::Site},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 
 impl SiteView {
-  pub async fn read_local(pool: &DbPool) -> Result<Self, Error> {
+  pub async fn read_local(mut pool: &mut impl GetConn) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let (mut site, local_site, local_site_rate_limit, counts) = site::table
       .inner_join(local_site::table)
       .inner_join(

crates/db_views_actor/src/comment_reply_view.rs

@@ -33,7 +33,7 @@ use lemmy_db_schema::{
     post::Post,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
   CommentSortType,
 };
 use typed_builder::TypedBuilder;
@@ -55,11 +55,11 @@ type CommentReplyViewTuple = (
 
 impl CommentReplyView {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     comment_reply_id: CommentReplyId,
     my_person_id: Option<PersonId>,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
 
     // The left join below will return None in this case
@@ -155,10 +155,13 @@ impl CommentReplyView {
   }
 
   /// Gets the number of unread replies
-  pub async fn get_unread_replies(pool: &DbPool, my_person_id: PersonId) -> Result<i64, Error> {
+  pub async fn get_unread_replies(
+    mut pool: &mut impl GetConn,
+    my_person_id: PersonId,
+  ) -> Result<i64, Error> {
     use diesel::dsl::count;
 
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     comment_reply::table
       .inner_join(comment::table)

crates/db_views_actor/src/community_block_view.rs

@@ -6,14 +6,17 @@ use lemmy_db_schema::{
   schema::{community, community_block, person},
   source::{community::Community, person::Person},
   traits::JoinView,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 
 type CommunityBlockViewTuple = (Person, Community);
 
 impl CommunityBlockView {
-  pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
+  pub async fn for_person(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let res = community_block::table
       .inner_join(person::table)
       .inner_join(community::table)

crates/db_views_actor/src/community_follower_view.rs

@@ -6,14 +6,17 @@ use lemmy_db_schema::{
   schema::{community, community_follower, person},
   source::{community::Community, person::Person},
   traits::JoinView,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 
 type CommunityFollowerViewTuple = (Community, Person);
 
 impl CommunityFollowerView {
-  pub async fn for_community(pool: &DbPool, community_id: CommunityId) -> Result<Vec<Self>, Error> {
+  pub async fn for_community(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    community_id: CommunityId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let res = community_follower::table
       .inner_join(community::table)
       .inner_join(person::table)
@@ -26,8 +29,11 @@ impl CommunityFollowerView {
     Ok(res.into_iter().map(Self::from_tuple).collect())
   }
 
-  pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
+  pub async fn for_person(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let res = community_follower::table
       .inner_join(community::table)
       .inner_join(person::table)

crates/db_views_actor/src/community_moderator_view.rs

@@ -6,14 +6,17 @@ use lemmy_db_schema::{
   schema::{community, community_moderator, person},
   source::{community::Community, person::Person},
   traits::JoinView,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 
 type CommunityModeratorViewTuple = (Community, Person);
 
 impl CommunityModeratorView {
-  pub async fn for_community(pool: &DbPool, community_id: CommunityId) -> Result<Vec<Self>, Error> {
+  pub async fn for_community(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    community_id: CommunityId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let res = community_moderator::table
       .inner_join(community::table)
       .inner_join(person::table)
@@ -25,8 +28,11 @@ impl CommunityModeratorView {
     Ok(res.into_iter().map(Self::from_tuple).collect())
   }
 
-  pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
+  pub async fn for_person(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let res = community_moderator::table
       .inner_join(community::table)
       .inner_join(person::table)
@@ -42,8 +48,8 @@ impl CommunityModeratorView {
 
   /// Finds all communities first mods / creators
   /// Ideally this should be a group by, but diesel doesn't support it yet
-  pub async fn get_community_first_mods(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn get_community_first_mods(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let res = community_moderator::table
       .inner_join(community::table)
       .inner_join(person::table)

crates/db_views_actor/src/community_person_ban_view.rs

@@ -5,16 +5,16 @@ use lemmy_db_schema::{
   newtypes::{CommunityId, PersonId},
   schema::{community, community_person_ban, person},
   source::{community::Community, person::Person},
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 
 impl CommunityPersonBanView {
   pub async fn get(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     from_person_id: PersonId,
     from_community_id: CommunityId,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let (community, person) = community_person_ban::table
       .inner_join(community::table)
       .inner_join(person::table)

crates/db_views_actor/src/community_view.rs

@@ -19,7 +19,7 @@ use lemmy_db_schema::{
     local_user::LocalUser,
   },
   traits::JoinView,
-  utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
+  utils::{fuzzy_search, limit_and_offset, DbPool, GetConn},
   ListingType,
   SortType,
 };
@@ -34,12 +34,12 @@ type CommunityViewTuple = (
 
 impl CommunityView {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     community_id: CommunityId,
     my_person_id: Option<PersonId>,
     is_mod_or_admin: Option<bool>,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     // The left join below will return None in this case
     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
 
@@ -86,7 +86,7 @@ impl CommunityView {
   }
 
   pub async fn is_mod_or_admin(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_id: PersonId,
     community_id: CommunityId,
   ) -> Result<bool, Error> {

crates/db_views_actor/src/person_block_view.rs

@@ -6,14 +6,17 @@ use lemmy_db_schema::{
   schema::{person, person_block},
   source::person::Person,
   traits::JoinView,
-  utils::{get_conn, DbPool},
+  utils::{DbPool, GetConn},
 };
 
 type PersonBlockViewTuple = (Person, Person);
 
 impl PersonBlockView {
-  pub async fn for_person(pool: &DbPool, person_id: PersonId) -> Result<Vec<Self>, Error> {
+  pub async fn for_person(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    person_id: PersonId,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let target_person_alias = diesel::alias!(person as person1);
 
     let res = person_block::table

crates/db_views_actor/src/person_mention_view.rs

@@ -34,7 +34,7 @@ use lemmy_db_schema::{
     post::Post,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
   CommentSortType,
 };
 use typed_builder::TypedBuilder;
@@ -56,11 +56,11 @@ type PersonMentionViewTuple = (
 
 impl PersonMentionView {
   pub async fn read(
-    pool: &DbPool,
+    mut pool: &mut impl GetConn,
     person_mention_id: PersonMentionId,
     my_person_id: Option<PersonId>,
   ) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
 
     // The left join below will return None in this case
@@ -156,9 +156,12 @@ impl PersonMentionView {
   }
 
   /// Gets the number of unread mentions
-  pub async fn get_unread_mentions(pool: &DbPool, my_person_id: PersonId) -> Result<i64, Error> {
+  pub async fn get_unread_mentions(
+    mut pool: &mut impl GetConn,
+    my_person_id: PersonId,
+  ) -> Result<i64, Error> {
     use diesel::dsl::count;
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
 
     person_mention::table
       .inner_join(comment::table)

crates/db_views_actor/src/person_view.rs

@@ -14,7 +14,7 @@ use lemmy_db_schema::{
   schema::{person, person_aggregates},
   source::person::Person,
   traits::JoinView,
-  utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
+  utils::{fuzzy_search, limit_and_offset, DbPool, GetConn},
   SortType,
 };
 use std::iter::Iterator;
@@ -23,8 +23,8 @@ use typed_builder::TypedBuilder;
 type PersonViewTuple = (Person, PersonAggregates);
 
 impl PersonView {
-  pub async fn read(pool: &DbPool, person_id: PersonId) -> Result<Self, Error> {
+  pub async fn read(mut pool: &mut impl GetConn, person_id: PersonId) -> Result<Self, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let res = person::table
       .find(person_id)
       .inner_join(person_aggregates::table)
@@ -34,8 +34,8 @@ impl PersonView {
     Ok(Self::from_tuple(res))
   }
 
-  pub async fn admins(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn admins(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let admins = person::table
       .inner_join(person_aggregates::table)
       .select((person::all_columns, person_aggregates::all_columns))
@@ -48,8 +48,8 @@ impl PersonView {
     Ok(admins.into_iter().map(Self::from_tuple).collect())
   }
 
-  pub async fn banned(pool: &DbPool) -> Result<Vec<Self>, Error> {
+  pub async fn banned(mut pool: &mut impl GetConn) -> Result<Vec<Self>, Error> {
-    let conn = &mut get_conn(pool).await?;
+    let conn = &mut *pool.get_conn().await?;
     let banned = person::table
       .inner_join(person_aggregates::table)
       .select((person::all_columns, person_aggregates::all_columns))

crates/db_views_moderator/src/admin_purge_comment_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{admin_purge_comment, person, post},
   source::{moderator::AdminPurgeComment, person::Person, post::Post},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type AdminPurgeCommentViewTuple = (AdminPurgeComment, Option<Person>, Post);
 
 impl AdminPurgeCommentView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;
     let show_mod_names_expr = show_mod_names.as_sql::<diesel::sql_types::Bool>();

crates/db_views_moderator/src/admin_purge_community_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{admin_purge_community, person},
   source::{moderator::AdminPurgeCommunity, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type AdminPurgeCommunityViewTuple = (AdminPurgeCommunity, Option<Person>);
 
 impl AdminPurgeCommunityView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;
     let show_mod_names_expr = show_mod_names.as_sql::<diesel::sql_types::Bool>();

crates/db_views_moderator/src/admin_purge_person_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{admin_purge_person, person},
   source::{moderator::AdminPurgePerson, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type AdminPurgePersonViewTuple = (AdminPurgePerson, Option<Person>);
 
 impl AdminPurgePersonView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/admin_purge_post_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{admin_purge_post, community, person},
   source::{community::Community, moderator::AdminPurgePost, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type AdminPurgePostViewTuple = (AdminPurgePost, Option<Person>, Community);
 
 impl AdminPurgePostView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_add_community_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_add_community, person},
   source::{community::Community, moderator::ModAddCommunity, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModAddCommunityViewTuple = (ModAddCommunity, Option<Person>, Community, Person);
 
 impl ModAddCommunityView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_add_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{mod_add, person},
   source::{moderator::ModAdd, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModAddViewTuple = (ModAdd, Option<Person>, Person);
 
 impl ModAddView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_ban_from_community_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_ban_from_community, person},
   source::{community::Community, moderator::ModBanFromCommunity, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModBanFromCommunityViewTuple = (ModBanFromCommunity, Option<Person>, Community, Person);
 
 impl ModBanFromCommunityView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));

crates/db_views_moderator/src/mod_ban_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{mod_ban, person},
   source::{moderator::ModBan, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModBanViewTuple = (ModBan, Option<Person>, Person);
 
 impl ModBanView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_feature_post_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_feature_post, person, post},
   source::{community::Community, moderator::ModFeaturePost, person::Person, post::Post},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModFeaturePostViewTuple = (ModFeaturePost, Option<Person>, Post, Community);
 
 impl ModFeaturePostView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_hide_community_view.rs

@@ -14,15 +14,18 @@ use lemmy_db_schema::{
   schema::{community, mod_hide_community, person},
   source::{community::Community, moderator::ModHideCommunity, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModHideCommunityViewTuple = (ModHideCommunity, Option<Person>, Community);
 
 impl ModHideCommunityView {
   // Pass in mod_id as admin_id because only admins can do this action
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_lock_post_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_lock_post, person, post},
   source::{community::Community, moderator::ModLockPost, person::Person, post::Post},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModLockPostViewTuple = (ModLockPost, Option<Person>, Post, Community);
 
 impl ModLockPostView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));

crates/db_views_moderator/src/mod_remove_comment_view.rs

@@ -20,7 +20,7 @@ use lemmy_db_schema::{
     post::Post,
   },
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModRemoveCommentViewTuple = (
@@ -33,8 +33,11 @@ type ModRemoveCommentViewTuple = (
 );
 
 impl ModRemoveCommentView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let person_alias_1 = diesel::alias!(lemmy_db_schema::schema::person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;

crates/db_views_moderator/src/mod_remove_community_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_remove_community, person},
   source::{community::Community, moderator::ModRemoveCommunity, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModRemoveCommunityTuple = (ModRemoveCommunity, Option<Person>, Community);
 
 impl ModRemoveCommunityView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));
     let show_mod_names = !params.hide_modlog_names;
     let show_mod_names_expr = show_mod_names.as_sql::<diesel::sql_types::Bool>();

crates/db_views_moderator/src/mod_remove_post_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_remove_post, person, post},
   source::{community::Community, moderator::ModRemovePost, person::Person, post::Post},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModRemovePostViewTuple = (ModRemovePost, Option<Person>, Post, Community);
 
 impl ModRemovePostView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));

crates/db_views_moderator/src/mod_transfer_community_view.rs

@@ -14,14 +14,17 @@ use lemmy_db_schema::{
   schema::{community, mod_transfer_community, person},
   source::{community::Community, moderator::ModTransferCommunity, person::Person},
   traits::JoinView,
-  utils::{get_conn, limit_and_offset, DbPool},
+  utils::{limit_and_offset, DbPool, GetConn},
 };
 
 type ModTransferCommunityViewTuple = (ModTransferCommunity, Option<Person>, Community, Person);
 
 impl ModTransferCommunityView {
-  pub async fn list(pool: &DbPool, params: ModlogListParams) -> Result<Vec<Self>, Error> {
+  pub async fn list(
-    let conn = &mut get_conn(pool).await?;
+    mut pool: &mut impl GetConn,
+    params: ModlogListParams,
+  ) -> Result<Vec<Self>, Error> {
+    let conn = &mut *pool.get_conn().await?;
 
     let person_alias_1 = diesel::alias!(person as person1);
     let admin_person_id_join = params.mod_person_id.unwrap_or(PersonId(-1));

crates/routes/src/feeds.rs

@@ -6,7 +6,7 @@ use lemmy_db_schema::{
   newtypes::LocalUserId,
   source::{community::Community, local_user::LocalUser, person::Person},
   traits::{ApubActor, Crud},
-  utils::DbPool,
+  utils::{DbPool, GetConn},
   CommentSortType,
   ListingType,
   SortType,
@@ -227,7 +227,7 @@ async fn get_feed(
 
 #[tracing::instrument(skip_all)]
 async fn get_feed_user(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   sort_type: &SortType,
   limit: &i64,
   page: &i64,
@@ -262,7 +262,7 @@ async fn get_feed_user(
 
 #[tracing::instrument(skip_all)]
 async fn get_feed_community(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   sort_type: &SortType,
   limit: &i64,
   page: &i64,
@@ -300,7 +300,7 @@ async fn get_feed_community(
 
 #[tracing::instrument(skip_all)]
 async fn get_feed_front(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   jwt_secret: &str,
   sort_type: &SortType,
   limit: &i64,
@@ -341,7 +341,7 @@ async fn get_feed_front(
 
 #[tracing::instrument(skip_all)]
 async fn get_feed_inbox(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   jwt_secret: &str,
   jwt: &str,
   protocol_and_hostname: &str,

src/code_migrations.rs

@@ -33,13 +33,16 @@ use lemmy_db_schema::{
     site::{Site, SiteInsertForm, SiteUpdateForm},
   },
   traits::Crud,
-  utils::{get_conn, naive_now, DbPool},
+  utils::{naive_now, DbPool, GetConn},
 };
 use lemmy_utils::{error::LemmyError, settings::structs::Settings};
 use tracing::info;
 use url::Url;
 
-pub async fn run_advanced_migrations(pool: &DbPool, settings: &Settings) -> Result<(), LemmyError> {
+pub async fn run_advanced_migrations(
+  mut pool: &mut impl GetConn,
+  settings: &Settings,
+) -> Result<(), LemmyError> {
   let protocol_and_hostname = &settings.get_protocol_and_hostname();
   user_updates_2020_04_02(pool, protocol_and_hostname).await?;
   community_updates_2020_04_02(pool, protocol_and_hostname).await?;
@@ -56,11 +59,11 @@ pub async fn run_advanced_migrations(pool: &DbPool, settings: &Settings) -> Resu
 }
 
 async fn user_updates_2020_04_02(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   use lemmy_db_schema::schema::person::dsl::{actor_id, local, person};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
 
   info!("Running user_updates_2020_04_02");
 
@@ -94,11 +97,11 @@ async fn user_updates_2020_04_02(
 }
 
 async fn community_updates_2020_04_02(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   use lemmy_db_schema::schema::community::dsl::{actor_id, community, local};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
 
   info!("Running community_updates_2020_04_02");
 
@@ -133,11 +136,11 @@ async fn community_updates_2020_04_02(
 }
 
 async fn post_updates_2020_04_03(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   use lemmy_db_schema::schema::post::dsl::{ap_id, local, post};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
 
   info!("Running post_updates_2020_04_03");
 
@@ -168,11 +171,11 @@ async fn post_updates_2020_04_03(
 }
 
 async fn comment_updates_2020_04_03(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   use lemmy_db_schema::schema::comment::dsl::{ap_id, comment, local};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
 
   info!("Running comment_updates_2020_04_03");
 
@@ -203,11 +206,11 @@ async fn comment_updates_2020_04_03(
 }
 
 async fn private_message_updates_2020_05_05(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   use lemmy_db_schema::schema::private_message::dsl::{ap_id, local, private_message};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
 
   info!("Running private_message_updates_2020_05_05");
 
@@ -240,11 +243,11 @@ async fn private_message_updates_2020_05_05(
 }
 
 async fn post_thumbnail_url_updates_2020_07_27(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   use lemmy_db_schema::schema::post::dsl::{post, thumbnail_url};
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
 
   info!("Running post_thumbnail_url_updates_2020_07_27");
 
@@ -271,8 +274,8 @@ async fn post_thumbnail_url_updates_2020_07_27(
 
 /// We are setting inbox and follower URLs for local and remote actors alike, because for now
 /// all federated instances are also Lemmy and use the same URL scheme.
-async fn apub_columns_2021_02_02(pool: &DbPool) -> Result<(), LemmyError> {
+async fn apub_columns_2021_02_02(mut pool: &mut impl GetConn) -> Result<(), LemmyError> {
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
   info!("Running apub_columns_2021_02_02");
   {
     use lemmy_db_schema::schema::person::dsl::{inbox_url, person, shared_inbox_url};
@@ -329,7 +332,7 @@ async fn apub_columns_2021_02_02(pool: &DbPool) -> Result<(), LemmyError> {
 /// Before this point, there is only a single value in the site table which refers to the local
 /// Lemmy instance, so thats all we need to update.
 async fn instance_actor_2022_01_28(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   protocol_and_hostname: &str,
 ) -> Result<(), LemmyError> {
   info!("Running instance_actor_2021_09_29");
@@ -358,8 +361,8 @@ async fn instance_actor_2022_01_28(
 /// key field is empty, generate a new keypair. It would be possible to regenerate only the pubkey,
 /// but thats more complicated and has no benefit, as federation is already broken for these actors.
 /// https://github.com/LemmyNet/lemmy/issues/2347
-async fn regenerate_public_keys_2022_07_05(pool: &DbPool) -> Result<(), LemmyError> {
+async fn regenerate_public_keys_2022_07_05(mut pool: &mut impl GetConn) -> Result<(), LemmyError> {
-  let conn = &mut get_conn(pool).await?;
+  let conn = &mut *pool.get_conn().await?;
   info!("Running regenerate_public_keys_2022_07_05");
 
   {
@@ -413,7 +416,7 @@ async fn regenerate_public_keys_2022_07_05(pool: &DbPool) -> Result<(), LemmyErr
 /// If a site already exists, the DB migration should generate a local_site row.
 /// This will only be run for brand new sites.
 async fn initialize_local_site_2022_10_10(
-  pool: &DbPool,
+  mut pool: &mut impl GetConn,
   settings: &Settings,
 ) -> Result<(), LemmyError> {
   info!("Running initialize_local_site_2022_10_10");