Get random tagline on site requets

crates/api/src/site/leave_admin.rs

@@ -7,6 +7,7 @@ use lemmy_db_schema::{
     local_site_url_blocklist::LocalSiteUrlBlocklist,
     local_user::{LocalUser, LocalUserUpdateForm},
     moderator::{ModAdd, ModAddForm},
+    tagline::Tagline,
   },
   traits::Crud,
 };
@@ -60,6 +61,7 @@ pub async fn leave_admin(
   let all_languages = Language::read_all(&mut context.pool()).await?;
   let discussion_languages = SiteLanguage::read_local_raw(&mut context.pool()).await?;
   let blocked_urls = LocalSiteUrlBlocklist::get_all(&mut context.pool()).await?;
+  let tagline = Tagline::get_random(&mut context.pool(), site_view.local_site.id).await?;
 
   Ok(Json(GetSiteResponse {
     site_view,
@@ -69,5 +71,6 @@ pub async fn leave_admin(
     all_languages,
     discussion_languages,
     blocked_urls,
+    tagline,
   }))
 }

crates/api_common/src/site.rs

@@ -7,6 +7,7 @@ use lemmy_db_schema::{
     instance::Instance,
     language::Language,
     local_site_url_blocklist::LocalSiteUrlBlocklist,
+    tagline::Tagline,
   },
   ListingType,
   ModlogActionType,
@@ -298,6 +299,7 @@ pub struct GetSiteResponse {
   pub my_user: Option<MyUserInfo>,
   pub all_languages: Vec<Language>,
   pub discussion_languages: Vec<LanguageId>,
+  pub tagline: Option<Tagline>,
   pub blocked_urls: Vec<LocalSiteUrlBlocklist>,
 }
 

crates/api_crud/src/site/read.rs

@@ -7,6 +7,7 @@ use lemmy_db_schema::source::{
   actor_language::{LocalUserLanguage, SiteLanguage},
   language::Language,
   local_site_url_blocklist::LocalSiteUrlBlocklist,
+  tagline::Tagline,
 };
 use lemmy_db_views::structs::{LocalUserView, SiteView};
 use lemmy_db_views_actor::structs::{
@@ -45,6 +46,7 @@ pub async fn get_site(
       let all_languages = Language::read_all(&mut context.pool()).await?;
       let discussion_languages = SiteLanguage::read_local_raw(&mut context.pool()).await?;
       let blocked_urls = LocalSiteUrlBlocklist::get_all(&mut context.pool()).await?;
+      let tagline = Tagline::get_random(&mut context.pool(), site_view.local_site.id).await?;
       Ok(GetSiteResponse {
         site_view,
         admins,
@@ -53,6 +55,7 @@ pub async fn get_site(
         all_languages,
         discussion_languages,
         blocked_urls,
+        tagline,
       })
     })
     .await

crates/db_schema/src/impls/tagline.rs

@@ -4,7 +4,7 @@ use crate::{
   source::tagline::{Tagline, TaglineInsertForm, TaglineUpdateForm},
   utils::{get_conn, limit_and_offset, DbPool},
 };
-use diesel::{insert_into, result::Error, ExpressionMethods, QueryDsl};
+use diesel::{insert_into, result::Error, ExpressionMethods, OptionalExtension, QueryDsl};
 use diesel_async::RunQueryDsl;
 
 impl Tagline {
@@ -60,4 +60,19 @@ impl Tagline {
       .get_results::<Self>(conn)
       .await
   }
+
+  pub async fn get_random(
+    pool: &mut DbPool<'_>,
+    for_local_site_id: LocalSiteId,
+  ) -> Result<Option<Self>, Error> {
+    let conn = &mut get_conn(pool).await?;
+    sql_function!(fn random() -> Text);
+    tagline
+      .order(random())
+      .limit(1)
+      .filter(local_site_id.eq(for_local_site_id))
+      .first::<Self>(conn)
+      .await
+      .optional()
+  }
 }