msg = msg + 'irc joined $room: no matrix room set for bridge. use !bridge'

								msg = msg +
									'irc joined $room: no matrix room set for bridge. use !bridge'

							if room := self.matching_irc_channel(nick, alias_room) {
								// repeat in irc
								self.chat.say(chat.System.irc, nick, '', room, body)
							} else {
								println('warning: no irc channel found for $nick ${alias_room}. msg dropped: $body')

							// if room := self.matching_irc_channel(nick, alias_room) {
							if alias_room.name is string {
								if room := bridge.matching_room(alias_room.name, mut self.db) {
									// repeat in irc
									self.chat.say(chat.System.irc, nick, '', room, body)
								} else {
									println('warning: no irc channel found for $nick ${alias_room}. msg dropped: $body')
								}

fn (mut self Main) matching_matrix_channel(room_name string) ?string {

fn (mut self Main) nearest_matrix_channel(room_name string) ?string {

fn (mut self Main) matching_irc_channel(nick string, room &matrix.Room) ?string {

fn (mut self Main) nearest_irc_channel(nick string, room &matrix.Room) ?string {