set method

Implementation

void set(Chat chat) {
  this.chat = chat;

  if (this is GroupChannel) {
    (this as GroupChannel).lastMessage?.set(chat);
    (this as GroupChannel).creator?.set(chat);
    (this as GroupChannel).inviter?.set(chat);
    for (final element in (this as GroupChannel).members) {
      element.set(chat);
    }
  }

  if (this is OpenChannel) {
    for (final element in (this as OpenChannel).operators) {
      element.set(chat);
    }
  }

  if (this is FeedChannel) {
    (this as FeedChannel).lastMessage?.set(chat);
    for (final element in (this as FeedChannel).members) {
      element.set(chat);
    }
  }
}