Include local_site.content_warning setting for showing nsfw by default

crates/db_schema/src/schema.rs

@@ -371,6 +371,7 @@ diesel::table! {
         registration_mode -> RegistrationModeEnum,
         reports_email_admins -> Bool,
         federation_signed_fetch -> Bool,
+        content_warning -> Nullable<Text>,
     }
 }
 

crates/db_schema/src/source/local_site.rs

@@ -64,6 +64,9 @@ pub struct LocalSite {
   /// Whether to sign outgoing Activitypub fetches with private key of local instance. Some
   /// Fediverse instances and platforms require this.
   pub federation_signed_fetch: bool,
+  /// If present, nsfw content is visible by default. Should be displayed by frontends/clients
+  /// when the site is first opened by a user.
+  pub content_warning: Option<String>,
 }
 
 #[derive(Clone, TypedBuilder)]
@@ -93,6 +96,7 @@ pub struct LocalSiteInsertForm {
   pub registration_mode: Option<RegistrationMode>,
   pub reports_email_admins: Option<bool>,
   pub federation_signed_fetch: Option<bool>,
+  pub content_warning: Option<String>,
 }
 
 #[derive(Clone, Default)]
@@ -120,4 +124,5 @@ pub struct LocalSiteUpdateForm {
   pub reports_email_admins: Option<bool>,
   pub updated: Option<Option<DateTime<Utc>>>,
   pub federation_signed_fetch: Option<bool>,
+  pub content_warning: Option<String>,
 }

crates/db_views/src/post_view.rs

@@ -26,6 +26,7 @@ use lemmy_db_schema::{
     community_moderator,
     community_person_ban,
     instance_block,
+    local_site::dsl::local_site,
     local_user,
     local_user_language,
     person,
@@ -37,6 +38,7 @@ use lemmy_db_schema::{
     post_read,
     post_saved,
   },
+  source::local_site::LocalSite,
   utils::{
     functions::coalesce,
     fuzzy_search,
@@ -383,10 +385,17 @@ fn queries<'a>() -> Queries<
       );
     }
 
+    // If there is a content warning, show nsfw content by default.
+    // TODO: inefficient
+    let has_content_warning = local_site
+      .first::<LocalSite>(&mut conn)
+      .await?
+      .content_warning
+      .is_some();
     if !options
       .local_user
       .map(|l| l.local_user.show_nsfw)
-      .unwrap_or(false)
+      .unwrap_or(has_content_warning)
     {
       query = query
         .filter(post::nsfw.eq(false))

crates/db_views_actor/src/community_view.rs

@@ -18,9 +18,10 @@ use lemmy_db_schema::{
     community_block,
     community_follower,
     instance_block,
+    local_site::dsl::local_site,
     local_user,
   },
-  source::{community::CommunityFollower, local_user::LocalUser},
+  source::{community::CommunityFollower, local_site::LocalSite, local_user::LocalUser},
   utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
   ListingType,
   SortType,
@@ -152,8 +153,15 @@ fn queries<'a>() -> Queries<
       query = query.filter(community_block::person_id.is_null());
       query = query.filter(community::nsfw.eq(false).or(local_user::show_nsfw.eq(true)));
     } else {
-      // No person in request, only show nsfw communities if show_nsfw is passed into request
-      if !options.show_nsfw {
+      // No person in request, only show nsfw communities if show_nsfw is passed into request or if
+      // site has content warning.
+      // TODO: inefficient
+      let has_content_warning = local_site
+        .first::<LocalSite>(&mut conn)
+        .await?
+        .content_warning
+        .is_some();
+      if !options.show_nsfw && !has_content_warning {
         query = query.filter(community::nsfw.eq(false));
       }
     }

crates/utils/translations

@@ -1 +1 @@
-Subproject commit 3c217c609aa8826fc725f708221c8b3eb825f41a
+Subproject commit 2139975ef383077e4709a4f2cae42922fd63b860

migrations/2024-01-22-105746_instance-content-warning/down.sql

@@ -0,0 +1 @@
+alter table local_site drop column content_warning;

migrations/2024-01-22-105746_instance-content-warning/up.sql

@@ -0,0 +1 @@
+alter table local_site add column content_warning text;