public override async Task <Article> FavoriteArticle(string authedUsername, string slug)
{
var transaction = _context.Database.BeginTransaction();
try
{
IdentityUser user = await _userManager.FindByNameAsync(authedUsername);
ArticleDAO articleDao = await _articleRepository.GetArticleBySlug(slug);
FavoriteArticleDAO favoriteArticle = new FavoriteArticleDAO
{
ArticleId = articleDao.Id,
UserId = user.Id
};
_favoriteArticleRepository.FavoriteArticle(favoriteArticle);
_context.SaveChanges();
articleDao = await _articleRepository.GetArticleBySlug(slug);
transaction.Commit();
Article article = await CreateArticleFromDAO(articleDao, authedUsername);
return(article);
} catch (Exception ex)
{
transaction.Rollback();
throw ex;
}
}
internal override void UnfavoriteArticle(int id, string userId)
{
FavoriteArticleDAO favoriteArticle = _favoriteArticle.Where(e => e.UserId == userId && e.ArticleId == id).Single();
_favoriteArticle.Remove(favoriteArticle);
}
internal override void FavoriteArticle(FavoriteArticleDAO favoriteArticle)
{
_favoriteArticle.Add(favoriteArticle);
}
internal abstract void FavoriteArticle(FavoriteArticleDAO favoriteArticle);
