public ActionResult Create(FormCollection fc, Category shopcategory)
{
if (this.ModelState.IsValid)
{
int newParentCategoryId;
var newParentCategory = int.TryParse(fc["NewParentCategoryId"], out newParentCategoryId)
? this.db.Categories.Find(newParentCategoryId)
: null;
if (newParentCategory != null)
{
shopcategory.ParentCategory = newParentCategory;
}
this.db.Categories.Add(shopcategory);
this.db.SaveChanges();
return this.RedirectToAction("Index");
}
this.ViewBag.CategorySelectList = this.GetCategorySelectList(shopcategory);
return this.View(shopcategory);
}
public ActionResult Edit(FormCollection fc, Category shopcategory)
{
if (this.ModelState.IsValid)
{
var origShopCategory = this.db.Categories.Find(shopcategory.CategoryId);
origShopCategory.Name = shopcategory.Name;
origShopCategory.Description = shopcategory.Description;
int newParentCategoryId;
var newParentCategory = int.TryParse(fc["NewParentCategoryId"], out newParentCategoryId)
? this.db.Categories.Find(newParentCategoryId)
: null;
if (newParentCategory == null)
{
if (origShopCategory.ParentCategory != null)
{
origShopCategory.ParentCategory.Subcategories.Remove(origShopCategory);
}
}
else
{
origShopCategory.ParentCategory = newParentCategory;
}
this.db.SaveChanges();
return this.RedirectToAction("Index");
}
this.ViewBag.CategorySelectList = this.GetCategorySelectList(shopcategory);
return this.View(shopcategory);
}
private SelectList GetCategorySelectList(Category category = null)
{
var parentCategoryId = category == null
? null
: (category.ParentCategory == null
? null
: (int?)category.ParentCategory.CategoryId);
return new SelectList(
this.db.Categories,
"CategoryId",
"Name",
parentCategoryId);
}