public void AddChatUser(UserToChatDTO utc)
{
var user = Database.Users.GetById(utc.UserId);
Database.Chats.GetById(utc.ChatId).Participants.Add(user);
Database.Save();
}
public void RemoveChatUser(UserToChatDTO utc)
{
User user = Database.Users.GetById(utc.UserId);
Chat chat = Database.Chats.GetWithInclude(utc.ChatId,
c => c.Participants);
chat.Participants.Remove(user);
Database.Save();
}
