public CommentController(CommentContext context)
{
commentContext = context;
if (commentContext.CommentItems.Count() == 0)
{
// Create a new item if collection is empty, which means you can't delete all items
commentContext.CommentItems.Add(new CommentItem());
commentContext.SaveChanges();
}
}
/// <summary>
/// 添加一个新评论
/// </summary>
/// <param name="comment"></param>
public string AddComment(Comment comment)
{
//判断添加评论的文章是否存在
var check = _articleContext.Article.Where(a => a.Id == comment.ArticleId).FirstOrDefault();
if (check == null)
{
return("添加评论的文章不存在");
}
string name = _userContext.User.Find(comment.UserId).Name;
if (name == null)
{
comment.CommentName = "Anonymous";
}
comment.CommentName = name;
_commentContext.Comment.Add(comment);
if (_commentContext.SaveChanges() == 1)
{
return("评论添加成功");
}
return("评论添加失败");
}