migrating perm delete by channel to sync (#10993)

app/channel.go

@@ -1933,8 +1933,8 @@ func (a *App) PermanentDeleteChannel(channel *model.Channel) *model.AppError {
 		return channelUsers.Err
 	}
 
-	if result := <-a.Srv.Store.Post().PermanentDeleteByChannel(channel.Id); result.Err != nil {
-		return result.Err
+	if err := a.Srv.Store.Post().PermanentDeleteByChannel(channel.Id); err != nil {
+		return err
 	}
 
 	if result := <-a.Srv.Store.Channel().PermanentDeleteMembersByChannel(channel.Id); result.Err != nil {

store/sqlstore/post_store.go

@@ -452,12 +452,11 @@ func (s *SqlPostStore) PermanentDeleteByUser(userId string) store.StoreChannel {
 	})
 }
 
-func (s *SqlPostStore) PermanentDeleteByChannel(channelId string) store.StoreChannel {
-	return store.Do(func(result *store.StoreResult) {
-		if _, err := s.GetMaster().Exec("DELETE FROM Posts WHERE ChannelId = :ChannelId", map[string]interface{}{"ChannelId": channelId}); err != nil {
-			result.Err = model.NewAppError("SqlPostStore.PermanentDeleteByChannel", "store.sql_post.permanent_delete_by_channel.app_error", nil, "channel_id="+channelId+", "+err.Error(), http.StatusInternalServerError)
-		}
-	})
+func (s *SqlPostStore) PermanentDeleteByChannel(channelId string) *model.AppError {
+	if _, err := s.GetMaster().Exec("DELETE FROM Posts WHERE ChannelId = :ChannelId", map[string]interface{}{"ChannelId": channelId}); err != nil {
+		return model.NewAppError("SqlPostStore.PermanentDeleteByChannel", "store.sql_post.permanent_delete_by_channel.app_error", nil, "channel_id="+channelId+", "+err.Error(), http.StatusInternalServerError)
+	}
+	return nil
 }
 
 func (s *SqlPostStore) GetPosts(channelId string, offset int, limit int, allowFromCache bool) store.StoreChannel {

store/store.go

@@ -216,7 +216,7 @@ type PostStore interface {
 	GetSingle(id string) StoreChannel
 	Delete(postId string, time int64, deleteByID string) *model.AppError
 	PermanentDeleteByUser(userId string) StoreChannel
-	PermanentDeleteByChannel(channelId string) StoreChannel
+	PermanentDeleteByChannel(channelId string) *model.AppError
 	GetPosts(channelId string, offset int, limit int, allowFromCache bool) StoreChannel
 	GetFlaggedPosts(userId string, offset int, limit int) StoreChannel
 	GetFlaggedPostsForTeam(userId, teamId string, offset int, limit int) StoreChannel

store/storetest/mocks/PostStore.go

@@ -424,15 +424,15 @@ func (_m *PostStore) PermanentDeleteBatch(endTime int64, limit int64) store.Stor
 }
 
 // PermanentDeleteByChannel provides a mock function with given fields: channelId
-func (_m *PostStore) PermanentDeleteByChannel(channelId string) store.StoreChannel {
+func (_m *PostStore) PermanentDeleteByChannel(channelId string) *model.AppError {
 	ret := _m.Called(channelId)
 
-	var r0 store.StoreChannel
-	if rf, ok := ret.Get(0).(func(string) store.StoreChannel); ok {
+	var r0 *model.AppError
+	if rf, ok := ret.Get(0).(func(string) *model.AppError); ok {
 		r0 = rf(channelId)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(store.StoreChannel)
+			r0 = ret.Get(0).(*model.AppError)
 		}
 	}
 

store/storetest/post_store.go

@@ -480,8 +480,8 @@ func testPostStorePermDelete1Level(t *testing.T, ss store.Store) {
 		t.Fatal("Deleted id should have failed")
 	}
 
-	if r2 := <-ss.Post().PermanentDeleteByChannel(o3.ChannelId); r2.Err != nil {
-		t.Fatal(r2.Err)
+	if err := ss.Post().PermanentDeleteByChannel(o3.ChannelId); err != nil {
+		t.Fatal(err)
 	}
 
 	if _, err := ss.Post().Get(o3.Id); err == nil {