Merge pull request 'Specify order for activities query (fixes #1436)' (#169) from outbox-order into main

Reviewed-on: https://yerbamate.ml/LemmyNet/lemmy/pulls/169

crates/apub/src/fetcher/search.rs

@@ -41,8 +41,8 @@ use log::debug;
 use url::Url;
 
 /// The types of ActivityPub objects that can be fetched directly by searching for their ID.
-#[serde(untagged)]
 #[derive(serde::Deserialize, Debug)]
+#[serde(untagged)]
 enum SearchAcceptedObjects {
   Person(Box<PersonExt>),
   Group(Box<GroupExt>),

crates/db_queries/src/source/activity.rs

@@ -110,7 +110,8 @@ impl Activity_ for Activity {
           .sql(" AND activity.data -> 'object' ->> 'type' = 'Create'")
           .sql(" AND activity.data -> 'object' -> 'object' ->> 'type' = 'Page'")
           .sql(" AND activity.data ->> 'actor' = ")
-          .bind::<Text, _>(community_actor_id),
+          .bind::<Text, _>(community_actor_id)
+          .sql(" ORDER BY activity.id DESC"),
       )
       .limit(20)
       .get_results(conn)?;