From 74e0bed38f4b76535ebe157fc206057684b5e4b1 Mon Sep 17 00:00:00 2001
From: Antonio Scandurra <me@as-cii.com>
Date: Thu, 23 Feb 2023 15:17:22 +0100
Subject: [PATCH] Fix compilation errors after restructuring `room_transaction`

---
 crates/collab/src/db.rs | 33 ++++++++-------------------------
 1 file changed, 8 insertions(+), 25 deletions(-)

diff --git a/crates/collab/src/db.rs b/crates/collab/src/db.rs
index da0bd51d5dcb027d7d042604e8de7a847e437a9f..a2939bf9ae5f37e1618ab158811f4821827da1cd 100644
--- a/crates/collab/src/db.rs
+++ b/crates/collab/src/db.rs
@@ -1715,8 +1715,8 @@ impl Database {
         leader_connection: ConnectionId,
         follower_connection: ConnectionId,
     ) -> Result<RoomGuard<proto::Room>> {
-        self.room_transaction(|tx| async move {
-            let room_id = self.room_id_for_project(project_id, &*tx).await?;
+        let room_id = self.room_id_for_project(project_id).await?;
+        self.room_transaction(room_id, |tx| async move {
             follower::ActiveModel {
                 room_id: ActiveValue::set(room_id),
                 project_id: ActiveValue::set(project_id),
@@ -1733,7 +1733,8 @@ impl Database {
             .insert(&*tx)
             .await?;
 
-            Ok((room_id, self.get_room(room_id, &*tx).await?))
+            let room = self.get_room(room_id, &*tx).await?;
+            Ok(room)
         })
         .await
     }
@@ -1744,8 +1745,8 @@ impl Database {
         leader_connection: ConnectionId,
         follower_connection: ConnectionId,
     ) -> Result<RoomGuard<proto::Room>> {
-        self.room_transaction(|tx| async move {
-            let room_id = self.room_id_for_project(project_id, &*tx).await?;
+        let room_id = self.room_id_for_project(project_id).await?;
+        self.room_transaction(room_id, |tx| async move {
             follower::Entity::delete_many()
                 .filter(
                     Condition::all()
@@ -1767,30 +1768,12 @@ impl Database {
                 .exec(&*tx)
                 .await?;
 
-            Ok((room_id, self.get_room(room_id, &*tx).await?))
+            let room = self.get_room(room_id, &*tx).await?;
+            Ok(room)
         })
         .await
     }
 
-    async fn room_id_for_project(
-        &self,
-        project_id: ProjectId,
-        tx: &DatabaseTransaction,
-    ) -> Result<RoomId> {
-        #[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
-        enum QueryAs {
-            RoomId,
-        }
-
-        Ok(project::Entity::find_by_id(project_id)
-            .select_only()
-            .column(project::Column::RoomId)
-            .into_values::<_, QueryAs>()
-            .one(&*tx)
-            .await?
-            .ok_or_else(|| anyhow!("no such project"))?)
-    }
-
     pub async fn update_room_participant_location(
         &self,
         room_id: RoomId,