protected void SavePostTags(Post post, params string[] rawPostTags)
{
#region AddNewTags
var allTags = postTagService.GetAllTags().ToList();
var tagsToInsert = rawPostTags.Except(allTags.Select(s => s.Name));
foreach (var newTagName in tagsToInsert)
{
postTagService.Save(newTagName);
}
#endregion AddNewTags
#region AddOrRemoveTags
var oldTags = postTagService.GetTagsByPostId(post.Id).ToList();
var newTags = rawPostTags;
var tagsToRemove = oldTags.Select(s => s.Name).Except(newTags);
foreach (var tagName in tagsToRemove)
{
postTagService.Delete(post.Id, tagName);
}
var tagsToAdd = newTags.Except(oldTags.Select(s => s.Name));
foreach (var tagName in tagsToAdd)
{
postTagService.Save(post.Id, tagName);
}
#endregion AddOrRemoveTags
}
public HttpResponseMessage Delete(HttpRequestMessage request, int id)
{
return(CreateHttpRespone(request, () =>
{
HttpResponseMessage respone = null;
if (ModelState.IsValid)
{
request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
else
{
_TagService.Delete(id);
_TagService.SaveChanges();
respone = request.CreateResponse(HttpStatusCode.OK);
}
return respone;
}));
}
public IActionResult DeletePostTag([FromBody] PostTag postTag)
{
_postTagService.Delete(postTag);
return(new NoContentResult());
}
