/// <summary>
/// 修改文章
/// </summary>
/// <param name="_postinfo"></param>
/// <returns></returns>
public static int UpdatePost(PostInfo _postinfo)
{
// PostInfo oldPost = GetPost(_postinfo.PostId); //好像有问题,不能缓存
PostInfo oldPost = GetPostByDatabase(_postinfo.PostId);
int result = DatabaseProvider.Instance.UpdatePost(_postinfo);
if (oldPost != null && oldPost.CategoryId != _postinfo.CategoryId)
{
//分类
CategoryService.UpdateCategoryCount(oldPost.CategoryId, -1);
CategoryService.UpdateCategoryCount(_postinfo.CategoryId, 1);
}
// CacheHelper.Remove(CacheKey);
//标签
TagService.UpdateTagUseCount(oldPost.Tag, -1);
TagService.UpdateTagUseCount(_postinfo.Tag, 1);
// RemovePostsCache();
return(result);
}
/// <summary>
/// 添加文章
/// </summary>
/// <param name="post"></param>
/// <returns></returns>
public static int InsertPost(PostInfo post)
{
post.PostId = DatabaseProvider.Instance.InsertPost(post);
_posts.Add(post);
_posts.Sort();
//统计
StatisticsService.UpdateStatisticsPostCount(1);
//用户
UserService.UpdateUserPostCount(post.UserId, 1);
//分类
CategoryService.UpdateCategoryCount(post.CategoryId, 1);
//标签
TagService.UpdateTagUseCount(post.Tag, 1);
// RemovePostsCache();
return(post.PostId);
}
/// <summary>
/// 删除文章
/// </summary>
/// <param name="postid"></param>
/// <returns></returns>
public static int DeletePost(int postid)
{
PostInfo oldPost = GetPost(postid);
_posts.Remove(oldPost);
int result = DatabaseProvider.Instance.DeletePost(postid);
//统计
StatisticsService.UpdateStatisticsPostCount(-1);
//用户
UserService.UpdateUserPostCount(oldPost.UserId, -1);
//分类
CategoryService.UpdateCategoryCount(oldPost.CategoryId, -1);
//标签
TagService.UpdateTagUseCount(oldPost.Tag, -1);
//删除所有评论
CommentService.DeleteCommentByPost(postid);
// RemovePostsCache();
return(result);
}