/// <summary>
/// Adds a new child for the given parent category
/// </summary>
/// <param name="parent">parent category (0 for root)</param>
/// <param name="form">form containig data</param>
/// <returns></returns>
public bool add(long parent, Form_Category_Add form)
{
category c = new category();
c.date = DateTime.Now;
c.parentid = parent;
if (parent == 0)
{
c.parentid = null;
}
c.name = form["name"].getValue();
c.alias = this._app.makeAlias(form["name"].getValue());
using (ArticleDataContext a = new ArticleDataContext())
{
a.categories.InsertOnSubmit(c);
try
{
a.SubmitChanges();
}
catch (Exception)
{
return false;
}
}
return true;
}
//
// GET+POST: /Backend/AddCategory[?parent={id}]
public ActionResult AddCategory()
{
long parent = 0;
if (Request.Params.AllKeys.Contains("parent"))
{
try
{
parent = long.Parse(Request.Params["parent"]);
}
catch { }
}
string name = "Base imaginary category (root)";
if (parent > 0)
{
category c = this._app.categories().getById(parent);
if (c != null)
{
name = c.name;
}
}
ViewData["name"] = name;
Form_Category_Add form = new Form_Category_Add(parent);
if (Request.HttpMethod.ToLower() == form.getMethod().ToString())
{
if (form.isValid(Request.Form))
{
if (this._app.categories().add(parent, form))
{
_messages.addMessage("The category has been successfully added");
return Redirect("/backend/ListCategories?parent=" + parent.ToString());
}
}
}
ViewData["form"] = form.render();
return View();
}
/// <summary>
/// Save changes for the given category
/// </summary>
/// <param name="form">form containing data</param>
/// <param name="c">category</param>
/// <returns>success</returns>
public bool save(Form_Category_Add form, category c)
{
category newCat = new category();
newCat.id = c.id;
if (c.parentid.HasValue)
{
newCat.parentid = c.parentid;
}
newCat.name = form["name"].getValue();
newCat.date = c.date;
using (ArticleDataContext a = new ArticleDataContext())
{
a.categories.Attach(newCat, c);
try
{
a.SubmitChanges();
}
catch (Exception)
{
return false;
}
}
return true;
}
//
// GET+POST: /Backend/EditCategory?id={id}
public ActionResult EditCategory()
{
if (Request.Params.AllKeys.Contains("id"))
{
long id = 0;
try
{
id = long.Parse(Request.Params["id"]);
}
catch { }
category c = this._app.categories().getById(id);
if (c != null)
{
Form_Category_Add form = new Form_Category_Add(0);
if (Request.HttpMethod.ToLower() == form.getMethod().ToString())
{
if (form.isValid(Request.Form))
{
if (this._app.categories().save(form, c))
{
_messages.addMessage("The category has been successfully saved");
if (c.parentid.HasValue)
{
return Redirect("/backend/ListCategories?parent=" + c.parentid);
}
return Redirect("/backend/ListCategories?parent=" + c.id);
}
}
}
form.setEditData(c);
ViewData["form"] = form.render();
return View();
}
}
_messages.addError("Undefined or wrong parameter ID");
return RedirectToAction("listCategories", "backend");
}
