public override async Task OnDisconnectedAsync(Exception ex)
{
GetUserAndCurrentRoomChatView user = await _chatService.GetUserAndCurrentRoomByUserId(Context.User.Identity.Name);
GetAllRoomsChatView userRooms = await _chatService.GetByUserId(Context.User.Identity.Name);
List <string> roomNames = userRooms.Rooms
.Select(x => x.Name)
.ToList();
await Clients.Groups(roomNames).SendAsync("UserDisconnected", $"{user.FirstName} {user.LastName} has left conversation", user);
await base.OnDisconnectedAsync(ex);
}
public async Task <GetAllRoomsChatView> GetByUserId(string userId)
{
GetAllRoomsChatView response = new GetAllRoomsChatView();
List <UserInRoom> userInRooms = await _userInRoomRepository.GetByUserId(userId);
if (!userInRooms.Any())
{
throw new Exception("User in rooms is not found");
}
response.Rooms = _mapper.Map(userInRooms, response.Rooms);
return(response);
}
public ChatMenuView BuildChatMenu()
{
ChatMenuView result = new ChatMenuView();
GetAllRoomsChatView rooms = Task
.Run(async() => await _chatService.GetAllRooms())
.Result;
if (!rooms.Rooms.Any())
{
return(result);
}
result = _mapper.Map(rooms, result);
return(result);
}
public override async Task OnConnectedAsync()
{
GetUserAndCurrentRoomChatView user = await _chatService.GetUserAndCurrentRoomByUserId(Context.User.Identity.Name);
GetAllRoomsChatView userRooms = await _chatService.GetByUserId(Context.User.Identity.Name);
List <string> roomNames = userRooms.Rooms
.Where(x => x.Id == user.CurrentRoomId)
.Select(x => x.Name)
.ToList();
GetAllUsersChatView usersInRoom = _chatService.GetAllUsersByRoomId(user.CurrentRoomId);
await Clients.Groups(roomNames).SendAsync("UserConnected", $"{user.FirstName} {user.LastName} join to conversation", user, usersInRoom);
await base.OnConnectedAsync();
}
public async Task <GetAllRoomsChatView> GetAllRooms()
{
GetAllRoomsChatView response = new GetAllRoomsChatView();
List <MessageInRoom> lastMessages = new List <MessageInRoom>();
List <Room> rooms = await _roomRepository.GetAll();
List <MessageInRoom> messageInRooms = await _messageInRoomRepository.GetAllRoomsAndMessages();
if (!messageInRooms.Any())
{
throw new Exception("Message in rooms is not found");
}
if (!rooms.Any())
{
throw new Exception("Rooms is not found");
}
messageInRooms
.GroupBy(x => x.RoomId)
.ToList()
.ForEach(item =>
{
MessageInRoom lastMessage = item
.Where(x => x.RoomId == item.Key)
.OrderByDescending(x => x.CreationAt)
.FirstOrDefault();
lastMessages.Add(lastMessage);
});
if (!messageInRooms.Any())
{
return(response);
}
response.Rooms = _mapper.Map(lastMessages, response.Rooms);
if (rooms.Count > response.Rooms.Count)
{
List <Guid> roomsWithMessagesIds = response.Rooms
.Select(x => x.Id)
.ToList();
var roomsWithotMessages = rooms
.Where(x => !roomsWithMessagesIds
.Contains(x.Id))
.ToList()
.Select(x => new RoomGetAllRoomsChatViewtem()
{
Id = x.Id,
Name = x.Name,
Photo = x.Photo,
LastMessage = "No messages yet"
})
.ToList();
response.Rooms.AddRange(roomsWithotMessages);
}
return(response);
}
