public ChatMemberModel AddUserToChat(string adder, uint chatId, User userToAdd)
{
var chat = _repository.GetChat(chatId);
ValidateUserIsAdmin(chat, adder);
if (chat.Members.Any(member => member.User.Name == userToAdd.Name))
{
throw new UserAlreadyInChatException();
}
var member = new ChatMember {
User = userToAdd, MemberType = MemberType.Common
};
_repository.AddMemberToChat(member, chat);
_updatesService.NotifyAddMember(member, chat);
return(ChatMemberToModel(member));
}
