public ActionResult Add(PostTagsAddViewModel viewModel)
{
ValidatePostTags(viewModel);
if (ModelState.IsValid)
{
var postTags = new PostTags()
{
PostId = viewModel.PostId,
TagId = viewModel.TagId,
};
_postTagsRepository.Add(postTags);
TempData["Message"] = "Your tag was successfully added!";
return(RedirectToAction("Edit", "Post", new { id = viewModel.PostId }));
}
viewModel.Post = _postRepository.Get(viewModel.PostId);
viewModel.Init(_tagRepository);
return(View(viewModel));
}
private void ValidatePostTags(PostTagsAddViewModel viewModel)
{
if (ModelState.IsValidField("PostId") &&
ModelState.IsValidField("TagId"))
{
if (_postTagsRepository.PostHasTagAlready(viewModel.PostId, viewModel.TagId))
{
ModelState.AddModelError("TagId",
"This tag already exists for this post.");
}
}
}
// GET: PostTags/Create
public ActionResult Add(int postId)
{
var post = _postRepository.Get(postId);
if (post == null)
{
return(HttpNotFound());
}
var viewModel = new PostTagsAddViewModel()
{
Post = post
};
viewModel.Init(_tagRepository);
return(View(viewModel));
}
