Adding perm delete channels by team

api/team.go

@@ -599,6 +599,10 @@ func PermanentDeleteTeam(c *Context, team *model.Team) *model.AppError {
 		}
 	}
 
+	if result := <-Srv.Store.Channel().PermanentDeleteByTeam(team.Id); result.Err != nil {
+		return result.Err
+	}
+
 	if result := <-Srv.Store.Team().PermanentDelete(team.Id); result.Err != nil {
 		return result.Err
 	}

store/sql_channel_store.go

@@ -279,6 +279,23 @@ func (s SqlChannelStore) Delete(channelId string, time int64) StoreChannel {
 	return storeChannel
 }
 
+func (s SqlChannelStore) PermanentDeleteByTeam(teamId string) StoreChannel {
+	storeChannel := make(StoreChannel)
+
+	go func() {
+		result := StoreResult{}
+
+		if _, err := s.GetMaster().Exec("DELETE FROM Channels WHERE TeamId = :TeamId", map[string]interface{}{"TeamId": teamId}); err != nil {
+			result.Err = model.NewAppError("SqlChannelStore.PermanentDeleteByTeam", "We couldn't delete the channels", "teamId="+teamId+", "+err.Error())
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
 type channelWithMember struct {
 	model.Channel
 	model.ChannelMember

store/store.go

@@ -61,6 +61,7 @@ type ChannelStore interface {
 	Update(channel *model.Channel) StoreChannel
 	Get(id string) StoreChannel
 	Delete(channelId string, time int64) StoreChannel
+	PermanentDeleteByTeam(teamId string) StoreChannel
 	GetByName(team_id string, domain string) StoreChannel
 	GetChannels(teamId string, userId string) StoreChannel
 	GetMoreChannels(teamId string, userId string) StoreChannel