public IActionResult UpdateArticle(ArticleModel model)
{
if (ModelState.IsValid)
{
using (var db = new FusekiContext())
{
var article = db.Articles
.Include(aa => aa.Tags)
.First(el => el.Id == model.Id);
//allow extended chars in title. But links and finding will strip them.
article.Title = model.Title;
var normalized = Renderer.Normalize(model.Body);
article.Body = normalized;
var now = DateTime.Now;
article.Updated = now;
if (article.Created == DateTime.MinValue)
{
article.Created = now;
}
//rectify tags.
var empty = new List <string>();
var tags = model.Tags?.Split(",").Select(el => el.Trim()) ?? new string[0];
var newTagNames = tags
.Select(el => el.Trim())
.Where(ee => !string.IsNullOrWhiteSpace(ee))
.ToHashSet();
var existingTags = article.Tags.Select(el => el.Name).ToHashSet();
var todelete = existingTags.Except(newTagNames);
var toadd = newTagNames.Except(existingTags);
foreach (var bad in todelete)
{
var tag = db.Tags.Where(el => el.ArticleId == article.Id && el.Name == bad).First();
db.Remove(tag);
}
foreach (var good in toadd)
{
var tag = CreateTag(article, good);
db.Add(tag);
}
db.SaveChanges();
return(Redirect($"../{model.Title}"));
}
}
else
{
return(View());
}
}
public IActionResult EditArticle(string title)
{
using (var db = new FusekiContext())
{
var article = db.Articles
.Include(el => el.Tags)
.First(el => el.Title.StartsWith(title));
//startswith to allow titles with ? marks in them. Doh.
var normalized = Renderer.Normalize(article.Body);
article.Body = normalized;
var liveUrl = string.Format(Settings.LiveUrlTemplate, article.MakeFilename(false), true);
var editUrl = string.Format(Settings.EditUrlTemplate, article.Title, false);
var model = new ArticleModel(article, liveUrl, editUrl, Renderer.ToHtml(normalized));
ViewData["Title"] = $"Editing {article.Title}";
return(View("EditArticle", model));
}
}