public async Task <FollowUserResponse> Handle(FollowUserRequest request, CancellationToken cancellationToken)
{
var(isFollowed, follow) = await userService.FollowUser(request.UserId);
if (isFollowed)
{
var notification = await notifier.Push(NotificationMessages.UserFollowMessage(follow.Follower.UserName), request.UserId);
await hubManager.Invoke(SignalrActions.NOTIFICATION_RECEIVED, request.UserId, mapper.Map <NotificationDto>(notification));
}
return(new FollowUserResponse {
IsFollowed = isFollowed, Follow = mapper.Map <UserFollowDto>(follow)
});
}