public async Task <JsonResult> EditTag(string TagToAdd, int[] TagToDel, int BlogID)
{
var TagsToAdd = TagUtil.SplitTags(TagToAdd);
if (TagsToAdd.Any(t => t.Length > 20))
{
return(Json(new { errmsg = "标签不得超过20字符" }));
}
else
{
Blog b = _db.Blogs.Find(BlogID);
if (b == null || BlogID <= 0 || (b.option != null && b.option.LockTags))
{
return(Json(new { errmsg = "无效id，请刷新重试" }));
}
var tibs = await _db.TagsInBlogs.Include(tib => tib.tag).Where(t => t.BlogID == BlogID).ToListAsync();
// Remove TagToAdd items from TagsToDel
var TagsToDel = TagToDel == null ?
new TagsInBlog[0] :
tibs.Where(tib => TagToDel.Contains(tib.TagID) && !TagsToAdd.Contains(tib.tag.TagName, SqlStringComparer.Instance)).ToArray();
// Remove already exist tags from TagsToAdd
TagsToAdd = TagsToAdd.Where(s => tibs.All(tib => !SqlStringComparer.Instance.Equals(tib.tag.TagName, s))).ToArray();
if (tibs.Any(tib => !tib.IsRemovable(b.Author, User.Identity.Name, _blogUtil.CheckAdmin(), HarmonySettings.BlacklistTags) && TagToDel.Contains(tib.TagID)))
{
return(Json(new { errmsg = "您不能删除作者添加的或黑名单标签" }));
}
if (tibs.Count + TagsToAdd.Length - TagsToDel.Length > 10)
{
return(Json(new { errmsg = "标签不得超过10个" }));
}
else if (tibs.Count + TagsToAdd.Length - TagsToDel.Length < 1)
{
return(Json(new { errmsg = "请至少添加一个标签" }));
}
List <Tag> AddedTags = _tagUtil.AddTagsForBlog(BlogID, TagsToAdd, User.Identity.Name);
_db.TagHistories.AddRange(TagsToDel.Select(tib => new TagHistory
{
AddBy = tib.AddBy,
BlogID = BlogID,
DeleteBy = User.Identity.Name,
TagName = tib.tag.TagName,
Time = DateTime.Now
}));
_db.TagsInBlogs.RemoveRange(TagsToDel);
bool isHarmony = BlogHelper.BlogIsHarmony(_db, b, HarmonySettings);
if (isHarmony != b.isHarmony)
{
b.isHarmony = isHarmony;
_cacheService.ClearHPCache(this, null);
}
await _db.SaveChangesAsync();
var currentTags = tibs.Except(TagsToDel).Select(tib => tib.tag).Concat(AddedTags).OrderBy(t => t.TagName);
TriggerEditTags(b, currentTags);
return(Json(AddedTags.ToDictionary(t => t.TagID.ToString(), t => t.TagName)));
}
}
