Fix bot logon, should do nested match.

Add comment to migrations.
Fix attachment deletes on messages.

src/database/entities/message.rs

@@ -467,7 +467,7 @@ impl Message {
             let attachment_ids: Vec<String> =
                 attachments.iter().map(|f| f.id.to_string()).collect();
             get_collection("attachments")
-                .update_one(
+                .update_many(
                     doc! {
                         "_id": {
                             "$in": attachment_ids
@@ -482,7 +482,7 @@ impl Message {
                 )
                 .await
                 .map_err(|_| Error::DatabaseError {
-                    operation: "update_one",
+                    operation: "update_many",
                     with: "attachment",
                 })?;
         }

src/database/migrations/scripts.rs

@@ -284,6 +284,8 @@ pub async fn run_migrations(revision: i32) -> i32 {
             .unwrap();
     }
 
+    // Need to migrate fields on attachments, change `user_id`, `object_id`, etc to `parent`.
+
     // Reminder to update LATEST_REVISION when adding new migrations.
     LATEST_REVISION
 }

src/notifications/websocket.rs

@@ -169,23 +169,15 @@ async fn accept(stream: TcpStream) {
                     }
                 }
 
-                let id = if let Ok(result) =
+                let id = if let Ok(Some(session)) =
                     Session::find_one(&get_db(), doc! { "token": &auth.token }, None).await
                 {
-                    if let Some(session) = result {
-                        Some(session.user_id)
-                    } else {
-                        None
-                    }
-                } else if let Ok(result) = get_collection("bots")
+                    Some(session.user_id)
+                } else if let Ok(Some(bot)) = get_collection("bots")
                     .find_one(doc! { "token": auth.token }, None)
                     .await
                 {
-                    if let Some(bot) = result {
-                        Some(bot.get_str("_id").unwrap().to_string())
-                    } else {
-                        None
-                    }
+                    Some(bot.get_str("_id").unwrap().to_string())
                 } else {
                     None
                 };