Revert "Removing on_conflict as it may not work with table triggers (user_fast, etc)"

This reverts commit db7027a367.

lemmy_db/src/comment.rs

@@ -170,15 +170,13 @@ impl Comment {
   }
 
   pub fn upsert(conn: &PgConnection, comment_form: &CommentForm) -> Result<Self, Error> {
-    let existing = Self::read_from_apub_id(
-      conn,
-      comment_form.ap_id.as_ref().unwrap_or(&"none".to_string()),
-    );
-    match existing {
-      Err(NotFound {}) => Ok(Self::create(conn, &comment_form)?),
-      Ok(p) => Ok(Self::update(conn, p.id, &comment_form)?),
-      Err(e) => Err(e),
-    }
+    use crate::schema::comment::dsl::*;
+    insert_into(comment)
+      .values(comment_form)
+      .on_conflict(ap_id)
+      .do_update()
+      .set(comment_form)
+      .get_result::<Self>(conn)
   }
 }
 

lemmy_db/src/community.rs

@@ -166,18 +166,13 @@ impl Community {
   }
 
   pub fn upsert(conn: &PgConnection, community_form: &CommunityForm) -> Result<Community, Error> {
-    let existing = Self::read_from_actor_id(
-      conn,
-      community_form
-        .actor_id
-        .as_ref()
-        .unwrap_or(&"none".to_string()),
-    );
-    match existing {
-      Err(NotFound {}) => Ok(Self::create(conn, &community_form)?),
-      Ok(p) => Ok(Self::update(conn, p.id, &community_form)?),
-      Err(e) => Err(e),
-    }
+    use crate::schema::community::dsl::*;
+    insert_into(community)
+      .values(community_form)
+      .on_conflict(actor_id)
+      .do_update()
+      .set(community_form)
+      .get_result::<Self>(conn)
   }
 }
 

lemmy_db/src/post.rs

@@ -179,15 +179,13 @@ impl Post {
   }
 
   pub fn upsert(conn: &PgConnection, post_form: &PostForm) -> Result<Post, Error> {
-    let existing = Self::read_from_apub_id(
-      conn,
-      post_form.ap_id.as_ref().unwrap_or(&"none".to_string()),
-    );
-    match existing {
-      Err(NotFound {}) => Ok(Self::create(conn, &post_form)?),
-      Ok(p) => Ok(Self::update(conn, p.id, &post_form)?),
-      Err(e) => Err(e),
-    }
+    use crate::schema::post::dsl::*;
+    insert_into(post)
+      .values(post_form)
+      .on_conflict(ap_id)
+      .do_update()
+      .set(post_form)
+      .get_result::<Self>(conn)
   }
 }
 

lemmy_db/src/private_message.rs

@@ -124,18 +124,13 @@ impl PrivateMessage {
     conn: &PgConnection,
     private_message_form: &PrivateMessageForm,
   ) -> Result<Self, Error> {
-    let existing = Self::read_from_apub_id(
-      conn,
-      private_message_form
-        .ap_id
-        .as_ref()
-        .unwrap_or(&"none".to_string()),
-    );
-    match existing {
-      Err(NotFound {}) => Ok(Self::create(conn, &private_message_form)?),
-      Ok(p) => Ok(Self::update(conn, p.id, &private_message_form)?),
-      Err(e) => Err(e),
-    }
+    use crate::schema::private_message::dsl::*;
+    insert_into(private_message)
+      .values(private_message_form)
+      .on_conflict(ap_id)
+      .do_update()
+      .set(private_message_form)
+      .get_result::<Self>(conn)
   }
 }
 

lemmy_db/src/user.rs

@@ -161,15 +161,12 @@ impl User_ {
   }
 
   pub fn upsert(conn: &PgConnection, user_form: &UserForm) -> Result<User_, Error> {
-    let existing = Self::read_from_actor_id(
-      conn,
-      user_form.actor_id.as_ref().unwrap_or(&"none".to_string()),
-    );
-    match existing {
-      Err(NotFound {}) => Ok(Self::create(conn, &user_form)?),
-      Ok(p) => Ok(Self::update(conn, p.id, &user_form)?),
-      Err(e) => Err(e),
-    }
+    insert_into(user_)
+      .values(user_form)
+      .on_conflict(actor_id)
+      .do_update()
+      .set(user_form)
+      .get_result::<Self>(conn)
   }
 }