public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var user = await _dataContext.Users.SingleOrDefaultAsync(u => u.UserName == _userAccessor.GetCurrentUsername());
var photo = user.Photos.FirstOrDefault(p => p.Id == request.Id);
if (photo == null)
{
throw new RestException(HttpStatusCode.NotFound, new { Photo = "Not found" });
}
if (photo.IsMain)
{
throw new RestException(HttpStatusCode.BadRequest, new { Photo = "You cannot delete your main photo" });
}
var result = _photoAccessor.RemovePhoto(photo.Id);
if (result == null)
{
throw new Exception("Problem deleting photo");
}
user.Photos.Remove(photo);
var success = await _dataContext.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception("Problem deleting photo");
}