public async Task CreateMessage(CreateMessageRequest request)
{
async Task ProcessRequest()
{
var message = await _mediator
.Send(new CreateMessageCommand
{
UserId = long.Parse(Context.UserIdentifier),
RoomId = request.RoomId,
Content = request.Content
});
var response = new CreateMessageResponse
{
UserId = message.UserId,
Content = message.Content,
Date = message.CreatedOn
};
await Clients
.Group(message.RoomId.ToString())
.SendAsync(_receiveMessageName, response);
}
await HandleError(ProcessRequest);
}
/**
* Create a new message in a specific room.
* This message can be seen by others in the
* same room.
*/
public async Task <CreateMessageResponse> CreateMessage(CreateMessageRequest payload)
{
try
{
var response = new CreateMessageResponse();
User user = await _userRepository.FindRoomOfUserById((Guid)payload.userIdentifier);
if (user == null)
{
throw new ApplicationError("[MessageService.CreateMessage]", 1);
}
if (user.room == null)
{
throw new ApplicationError("[MessageService.CreateMessage]", 2);
}
var model = new Message
{
id = Guid.NewGuid(),
text = payload.text,
user = user,
room = user.room,
stamp = DateTime.Now
};
bool result = await _messageRepository.Save(model);
if (!result)
{
throw new ApplicationError("[MessageService.CreateMessage]", 3);
}
response.message = model;
response.roomIdentifier = user.room.identifier;
await _unitOfWork.Save();
return(response);
}
catch (Exception e)
{
throw e;
}
}
public async Task LeaveRoom(long roomId)
{
async Task ProcessRequest()
{
var room = await _mediator.Send(new GetRoomQuery { Id = roomId });
await Groups.RemoveFromGroupAsync(Context.ConnectionId, room.Id.ToString());
var response = new CreateMessageResponse
{
Content = $"{Context.User?.Identity?.Name} has left the room {room.Name}.",
Date = DateTime.UtcNow
};
await Clients
.Group(room.Id.ToString())
.SendAsync(_receiveMessageName, response);
}
await HandleError(ProcessRequest);
}
private IActionResult CreateMessageResponse(CreateMessageResponse response)
{
logger.LogInformation("Error creating message: {description}", response.Description);
return(BadRequest(response.Description));
}
