public async Task <Photo> Handle(Command request, CancellationToken cancellationToken)
{
var post = await _context.Posts.FindAsync(request.Id);
var hasThumbnail = post.Thumbnail;
if (post == null)
{
throw new RestException(HttpStatusCode.NotFound,
new { Post = "찾을 수 없습니다." });
}
var photoUploadResult = _photoAccessor.AddThumbnail(request.File);
if (hasThumbnail != null)
{
var result = _photoAccessor.DeletePhoto(hasThumbnail.Id);
if (result == null)
{
throw new Exception("삭제하는 동안 오류가 발생했습니다.");
}
post.Thumbnail.Id.Remove(0);
}
var photo = new Photo
{
Url = photoUploadResult.Url,
Id = photoUploadResult.PublicId
};
post.Thumbnail = photo;
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(photo);
}
throw new Exception("데이터를 저장하는 동안 오류가 발생했습니다.");
}