public function editAction(Request $request, $id)
{
// get repository for item entity
$repository = $this->em()->getRepository("ErikAppBundle:Item");
// find item by its id
$item = $repository->find($id);
// no item found return user to item list
// and display message with not found exception
if (!$item) {
$this->addFlash("notice", $this->get("translator")->trans("item.not.found"));
return $this->redirect($this->generateUrl("erik_app_admin_item_list"));
}
// inicialize new item form type to render and validate form
$itemFormType = new ItemType();
// Create collection of the current attributes in the database
// related to this item
// Important!!! this needs to be before creating form otherwise
// it will be replaced with submited attributes
$oldAttributes = new ArrayCollection();
Helper::loopCollection(function ($collectionItem) use($oldAttributes) {
$oldAttributes->add($collectionItem);
}, $item->getAttributes());
// create the form
$form = $this->createForm($itemFormType, $item);
// handle http request
$form->handleRequest($request);
// check if form is submitted and is valid
if ($form->isSubmitted() && $form->isValid()) {
$repository->save($item, $oldAttributes);
// display success message
$this->addFlash("success", $this->get("translator")->trans("item.has.been.saved"));
}
// return http response with rendered template
return new Response($this->renderView("::backend/pages/item/edit.html.twig", array("form" => $form->createView(), "item" => $item)));
}
public function save(Item $item, ArrayCollection $oldAttributes)
{
// add EntityManager to short variable
$em = $this->getEntityManager();
// remove removed attributes
// oldAttributes is ArrayCollection cannot
// be casted to empty array if empty
Helper::loopCollection(function ($collectionItem) use($item, $em) {
if (false === $item->getAttributes()->contains($collectionItem)) {
// delete attribute permanently
$em->remove($collectionItem);
}
}, $oldAttributes);
// associate attribute with item
// attributes is persisted automatically
Helper::loopCollection(function ($collectionItem) use($item) {
$collectionItem->setItem($item);
}, $item->getAttributes());
if (!$item->getId()) {
// set data for new item
$item->setCreatedAt(new \DateTime());
$item->setSlug(Helper::makeSlugs($item->getName()));
}
// set when was item updated then persist it
// and flush to database
$item->setUpdatedAt(new \DateTime());
$em->persist($item);
$em->flush();
}
public function newAction(Request $request)
{
// create new category
$category = new Category();
// inicialize new category form type to render and validate form
$categoryFormType = new CategoryType();
// create the form
$form = $this->createForm($categoryFormType, $category);
// handle http request
$form->handleRequest($request);
// check if form is submitted and is valid
if ($form->isSubmitted() && $form->isValid()) {
// set data for new category
if (!$category->getId()) {
$category->setSlug(Helper::makeSlugs($category->getName()));
}
// persist changes on category
$this->em()->persist($category);
// flush new data to database
$this->em()->flush();
if ($category->getId()) {
// display success message
$this->addFlash("success", $this->get("translator")->trans("category.has.been.saved"));
return $this->redirectToRoute("erik_app_admin_category_edit", array("id" => $category->getId()));
} else {
// display error message
$this->addFlash("danger", $this->get("translator")->trans("category.has.been.not.saved"));
}
}
// return http response with rendered template
return new Response($this->renderView("::backend/pages/category/edit.html.twig", array("form" => $form->createView(), "category" => $category)));
}
