public async Task <ChatRoomDto> GetOrCreatePrivateRoomWith(string userId)
{
string currentUserId = identityService.CurrentUserId;
if (currentUserId == userId)
{
throw new ArgumentException("Same user error");
}
if (!(await this.userRepo.FindByIdAsync(userId) is UserEntity user))
{
throw new ArgumentException("User does not exists");
}
var privateRoom = await roomRepo.GetPrivateRoomAsync(currentUserId, userId);
if (privateRoom == null)
{
ChatRoomEntity newChatRoom = new ChatRoomEntity
{
IsPrivate = true,
OwnerUserId = currentUserId.ToLower(),
UserRooms = new List <UsersChatRoomsEntity> {
new UsersChatRoomsEntity {
UserId = currentUserId
}, new UsersChatRoomsEntity {
UserId = userId
}
}
};
string id = await roomRepo.CreateAsync(newChatRoom);
privateRoom = await roomRepo.FindByIdAsync(id);
}
ChatRoomDto model = mapper.Map <ChatRoomEntity, ChatRoomDto>(privateRoom);
await notificator.Notificate(new NewChatNotification(model, model.Participants.Select(x => x.Id)));
return(model);
}
