public static Article MapToArticle(CreateArticleViewModel articleVM)
{
Article article = new Article();
article.Name = articleVM.Name;
article.Text = articleVM.Text;
return article;
}
public static CreateArticleViewModel MapToEditAticle(Article article, string tags)
{
CreateArticleViewModel articleVM = new CreateArticleViewModel();
articleVM.Id = article.Id;
articleVM.Name = article.Name;
articleVM.Text = article.Text;
EnumCategory choice;
if (Enum.TryParse(article.Category.Name, out choice))
articleVM.CategoryName = choice;
articleVM.Tags = tags;
return articleVM;
}
public ActionResult Create(CreateArticleViewModel articleVM)
{
if (ModelState.IsValid)
{
Article article = Mapper.MapToArticle(articleVM);
db.Articles.Add(article);
var userId = User.Identity.GetUserId();
article.UserId = userId;
article.TimeCreated = DateTime.Now;
//add category
Category category = db.Categories.FirstOrDefault(x => x.Name == articleVM.CategoryName.ToString());
if (category != null)
{
article.Category = category;
category.Articles.Add(article);
}
else
{
ModelState.AddModelError("", "This category does not exist.");
return View(articleVM);
}
// add tags
if (articleVM.Tags != null)
{
RegexOptions options = RegexOptions.None;
Regex regex = new Regex(@"[ ]{2,}", options);
articleVM.Tags = regex.Replace(articleVM.Tags, @" ");
string[] tags = Regex.Split(articleVM.Tags, " ");
article.Tags = new List<Tag>();
foreach (string item in tags)
{
Tag tag = db.Tags.FirstOrDefault(x => x.Name == item);
if (tag != null)
{
if (!article.Tags.Contains(tag))
{
article.Tags.Add(tag);
tag.Articles.Add(article);
}
}
else
{
Tag newTag = new Tag();
newTag.Name = item;
db.Tags.Add(newTag);
article.Tags.Add(newTag);
newTag.Articles = new List<Article>();
newTag.Articles.Add(article);
}
}
}
db.SaveChanges();
return RedirectToAction("Index");
}
else
{
ModelState.AddModelError("", "Check your input.");
}
return View(articleVM);
}
public ActionResult Edit(CreateArticleViewModel articleVM)
{
if (ModelState.IsValid)
{
Article article = db.Articles.Find(articleVM.Id);
// set new category
if (article.Category.Name != articleVM.CategoryName.ToString())
{
Category category = db.Categories.FirstOrDefault(x => x.Name == articleVM.CategoryName.ToString());
if (category != null)
{
article.Category = category;
category.Articles.Add(article);
}
else
{
ModelState.AddModelError("", "This category does not exist.");
return View(articleVM);
}
}
// set new tags
RegexOptions options = RegexOptions.None;
Regex regex = new Regex(@"[ ]{2,}", options);
articleVM.Tags = regex.Replace(articleVM.Tags, @" ");
string[] tags = Regex.Split(articleVM.Tags, " ");
foreach (string item in tags)
{
if (article.Tags.FirstOrDefault(x => x.Name == item) == null)
{
Tag tag = db.Tags.FirstOrDefault(x => x.Name == item);
if (tag != null)
{
article.Tags.Add(tag);
tag.Articles.Add(article);
}
else
{
Tag newTag = new Tag();
newTag.Name = item;
db.Tags.Add(newTag);
newTag.Articles = new List<Article>();
newTag.Articles.Add(article);
article.Tags.Add(newTag);
}
}
}
db.Entry(article).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
return View(articleVM);
}