public async Task <ApplicationResult <long> > Handle(SendChannelMessageCommand request, CancellationToken cancellationToken)
{
var currentUserResult = _currentUserService.GetResultUserId();
if (!currentUserResult.Succeeded)
{
return(ApplicationResult <long> .Fail(currentUserResult.Error));
}
var channel = await _dbContext.Channels.FindAsync(new object[] { request.ChannelId }, cancellationToken);
var sender = await _dbContext.Users.FindAsync(new object[] { currentUserResult.Value }, cancellationToken);
var interlocutorUserId = await _dbContext.Interlocutors
.Where(i => i.ChannelId == channel.Id)
.Where(i => i.UserId != currentUserResult.Value)
.Select(i => i.UserId)
.SingleAsync(cancellationToken);
var message = new Message
{
Channel = channel,
Sender = sender,
Content = request.Content
};
await _dbContext.Messages.AddAsync(message, cancellationToken);
await _dbContext.SaveChangesAsync(cancellationToken);
await _connectedUsersService.SendAsync(interlocutorUserId, "ReceiveMessage", new
{
message = new MessageModel
{
Id = message.Id,
AuthorId = sender.Id,
Content = message.Content,
Own = false,
Seen = message.Seen,
SentDate = message.CreatedDate
},
channelId = channel.Id
});
return(ApplicationResult <long> .Ok(message.Id));
}
public async Task <ApplicationResult> Handle(UpdateAccountProfileCommand request, CancellationToken cancellationToken)
{
var currentUserResult = _currentUserService.GetResultUserId();
if (currentUserResult.Succeeded == false)
{
return(ApplicationResult.Fail(currentUserResult.Error));
}
var user = await _dbContext.Users.FindAsync(currentUserResult.Value);
user.Name = PersonName.Create(request.FirstName, request.LastName);
user.Gender = !string.IsNullOrEmpty(request.Gender) ? (Gender?)Enum.Parse <Gender>(request.Gender) : null;
user.About = request.About;
await _dbContext.SaveChangesAsync(cancellationToken);
return(ApplicationResult.Ok());
}
public async Task <ApplicationResult> Handle(AddFriendCommand request, CancellationToken cancellationToken)
{
var currentUserResult = _currentUserService.GetResultUserId();
if (currentUserResult.Succeeded == false)
{
return(ApplicationResult.Fail(currentUserResult.Error));
}
var requestedBy = await _dbContext.Users.FindAsync(new object[] { currentUserResult.Value }, cancellationToken);
var requestedTo = await _dbContext.Users.FindAsync(new object[] { request.UserId }, cancellationToken);
if (await FriendshipExistsAsync(requestedBy.Id, requestedTo.Id, cancellationToken))
{
return(ApplicationResult.Ok());
}
var friendship = new Friendship
{
RequestedBy = requestedBy,
RequestedTo = requestedTo,
Approved = true // TODO
};
await _dbContext.Friendships.AddAsync(friendship, cancellationToken);
await _dbContext.SaveChangesAsync(cancellationToken);
await _mediator.Publish(new FriendshipCreatedEvent
{
FriendshipId = friendship.Id,
RequestedById = requestedBy.Id,
RequestedToId = requestedTo.Id
}, cancellationToken);
return(ApplicationResult.Ok());
}
public async Task <ApplicationResult <long> > Handle(CreateUserChannelCommand request, CancellationToken cancellationToken)
{
var currentUserResult = _currentUserService.GetResultUserId();
if (!currentUserResult.Succeeded)
{
return(ApplicationResult <long> .Fail(currentUserResult.Error));
}
var user = await _dbContext.Users.FindAsync(new object[] { request.UserId }, cancellationToken);
var currentUser = await _dbContext.Users.FindAsync(new object[] { currentUserResult.Value }, cancellationToken);
var channel = new Channel();
var userInterlocutor = new Interlocutor
{
Channel = channel,
User = user
};
var currentUserInterlocutor = new Interlocutor
{
Channel = channel,
User = currentUser
};
await _dbContext.Channels.AddAsync(channel, cancellationToken);
await _dbContext.Interlocutors.AddAsync(userInterlocutor, cancellationToken);
await _dbContext.Interlocutors.AddAsync(currentUserInterlocutor, cancellationToken);
await _dbContext.SaveChangesAsync(cancellationToken);
await _mediator.Publish(new ChannelCreatedEvent { ChannelId = channel.Id }, cancellationToken);
return(ApplicationResult <long> .Ok(channel.Id));
}