public async Task <IActionResult> Handle(GetUserRequest request, CancellationToken cancellationToken)
{
var userId = _currentUserAccessor.GetUserId();
var user = await _authDbContext.Users.FindAsync(userId);
var response = _mapper.Map <UserResponse>(user);
return(new OkObjectResult(response));
}
public async Task <IActionResult> Handle(GetChannelListRequest request, CancellationToken cancellationToken)
{
var userId = _currentUserAccessor.GetUserId();
var channels = await _chatChannelRepository.FindByPredicateAsync(x => x.ParticipantUserIds.Contains(userId));
var response = _mapper.Map <IEnumerable <ChatChannelResponse> >(channels);
return(new OkObjectResult(response));
}
public async Task <IActionResult> Handle(GetMessageListRequest request, CancellationToken cancellationToken)
{
var query = new ListChatMessagesQuery
{
ChannelId = request.ChannelId,
UserId = _userAccessor.GetUserId()
};
var result = await _mediator.Send(query, cancellationToken);
return(new OkObjectResult(result));
}
public async Task <IActionResult> Handle(DeleteCurrentParticipantFromChannelRequest request, CancellationToken cancellationToken)
{
var userId = _currentUserAccessor.GetUserId();
var channel = await _chatChannelEntityRepository.FindAsync(request.ChannelId);
if (!channel.ParticipantUserIds.Contains(userId))
{
return(new UnauthorizedResult());
}
channel.ParticipantUserIds.Remove(userId);
await _chatChannelEntityRepository.UpdateAsync(channel);
return(new OkResult());
}
public async Task <IActionResult> Handle(PostChannelRequest request, CancellationToken cancellationToken)
{
var userId = _currentUserAccessor.GetUserId();
request.Participants.Add(userId);
var channel = new ChatChannel
{
Title = request.Title,
ParticipantUserIds = request.Participants,
CreatorUserId = userId
};
// TODO: Check whether all participants even exist in DB
await _channelEntityRepository.AddAsync(channel);
return(new OkResult());
}
public async Task SendAsync(string channelId, string message)
{
var userId = _currentUserAccessor.GetUserId();
Ensure.That(userId).IsNotNullOrEmpty();
var channel = await GetChannelAsync(channelId);
Ensure.That(channel).IsNotNull();
var chatMessage = new ChatMessage
{
ChannelId = channelId,
Message = message,
UserId = userId
};
await _chatMessageEntityRepository.AddAsync(chatMessage);
await _hubContext.Clients.Users(channel.ParticipantUserIds.ToList())
.ReceiveMessage(chatMessage);
}