internal UserChatroom GetUserChatroom(long userId)
{
var u = UserChatrooms.FirstOrDefault(uc => uc.UserId == userId);
if (u == null)
{
throw new InvalidOperationException("User not exist.");
}
return(u);
}
internal void Quit(long userId)
{
EnsureActive();
EnsureNotP2P();
var uc = GetUserChatroom(userId);
if (uc == null)
{
throw new InvalidOperationException($"User {userId} doesn't exist in chatroom {Id}.");
}
UserChatrooms.Remove(uc);
_provider.GetRequiredService <IEventBus>().Publish(
new UserLeftEvent {
ChatroomId = Id, UserId = userId, OperatorId = userId
});
}
internal void AddPeople(long userId, long operatorId)
{
EnsureActive();
EnsureNotP2P();
EnsureAdmin(operatorId);
if (UserIds.Contains(userId))
{
throw new InvalidOperationException($"User {userId} already exist in chatroom {Id}.");
}
var uc = new UserChatroom
{
UserId = userId,
ChatroomId = Id
};
UserChatrooms.Add(uc);
_provider.GetRequiredService <IEventBus>().Publish(
new UserEnteredEvent {
ChatroomId = Id, UserId = userId, OperatorId = operatorId
});
}
internal bool Contains(User user)
{
return(UserChatrooms.Any(uc => uc.UserId == user.Id));
}