Add show_nsfw override filter to GetPosts. (#4889)

- Fixes #4124

crates/api_common/src/post.rs

@@ -81,6 +81,8 @@ pub struct GetPosts {
   pub show_hidden: Option<bool>,
   /// If true, then show the read posts (even if your user setting is to hide them)
   pub show_read: Option<bool>,
+  /// If true, then show the nsfw posts (even if your user setting is to hide them)
+  pub show_nsfw: Option<bool>,
   pub page_cursor: Option<PaginationCursor>,
 }
 

crates/apub/src/api/list_posts.rs

@@ -43,6 +43,7 @@ pub async fn list_posts(
   let saved_only = data.saved_only;
   let show_hidden = data.show_hidden;
   let show_read = data.show_read;
+  let show_nsfw = data.show_nsfw;
 
   let liked_only = data.liked_only;
   let disliked_only = data.disliked_only;
@@ -84,6 +85,7 @@ pub async fn list_posts(
     limit,
     show_hidden,
     show_read,
+    show_nsfw,
     ..Default::default()
   }
   .list(&local_site.site, &mut context.pool())

crates/db_views/src/post_view.rs

@@ -396,7 +396,10 @@ fn queries<'a>() -> Queries<
         .filter(not(post::removed.or(post::deleted)));
     }
 
-    if !options.local_user.show_nsfw(site) {
+    if !options
+      .show_nsfw
+      .unwrap_or(options.local_user.show_nsfw(site))
+    {
       query = query
         .filter(post::nsfw.eq(false))
         .filter(community::nsfw.eq(false));
@@ -621,6 +624,7 @@ pub struct PostQuery<'a> {
   pub page_back: Option<bool>,
   pub show_hidden: Option<bool>,
   pub show_read: Option<bool>,
+  pub show_nsfw: Option<bool>,
 }
 
 impl<'a> PostQuery<'a> {
@@ -1589,6 +1593,48 @@ mod tests {
     cleanup(data, pool).await
   }
 
+  #[tokio::test]
+  #[serial]
+  async fn post_listings_hide_nsfw() -> LemmyResult<()> {
+    let pool = &build_db_pool().await?;
+    let pool = &mut pool.into();
+    let data = init_data(pool).await?;
+
+    // Mark a post as nsfw
+    let update_form = PostUpdateForm {
+      nsfw: Some(true),
+      ..Default::default()
+    };
+
+    Post::update(pool, data.inserted_bot_post.id, &update_form).await?;
+
+    // Make sure you don't see the nsfw post in the regular results
+    let post_listings_hide_nsfw = data.default_post_query().list(&data.site, pool).await?;
+    assert_eq!(vec![POST], names(&post_listings_hide_nsfw));
+
+    // Make sure it does come back with the show_nsfw option
+    let post_listings_show_nsfw = PostQuery {
+      sort: Some(SortType::New),
+      show_nsfw: Some(true),
+      local_user: Some(&data.local_user_view.local_user),
+      ..Default::default()
+    }
+    .list(&data.site, pool)
+    .await?;
+    assert_eq!(vec![POST_BY_BOT, POST], names(&post_listings_show_nsfw));
+
+    // Make sure that nsfw field is true.
+    assert!(
+      &post_listings_show_nsfw
+        .first()
+        .ok_or(LemmyErrorType::CouldntFindPost)?
+        .post
+        .nsfw
+    );
+
+    cleanup(data, pool).await
+  }
+
   async fn cleanup(data: Data, pool: &mut DbPool<'_>) -> LemmyResult<()> {
     let num_deleted = Post::delete(pool, data.inserted_post.id).await?;
     Community::delete(pool, data.inserted_community.id).await?;