src/AppBundle/Controller/CategoryController.php

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<?php

namespace AppBundle\Controller;

use Biz\Taxonomy\Service\CategoryService;
use Biz\Taxonomy\Service\TagService;
use Symfony\Component\HttpFoundation\Request;

class CategoryController extends BaseController
{
    public function allAction()
    {
        $categories = $this->getCategoryService()->findCategories(1);

        $data = array();
        foreach ($categories as $category) {
            $data[$category['id']] = array($category['name'], $category['parentId']);
        }

        return $this->createJsonResponse($data);
    }

    protected function makeCategories($group)
    {
        $group = $this->getCategoryService()->getGroupByCode($group);

        if (empty($group)) {
            return array();
        }

        $categories = $this->getCategoryService()->getCategoryTree($group['id']);

        foreach ($categories as $id => $category) {
            if ($categories[$id]['parentId'] != '0') {
                unset($categories[$id]);
            }
        }

        return $categories;
    }

    protected function makeTags()
    {
        $tagGroups = $this->getTagService()->findTagGroups();

        foreach ($tagGroups as $key => $tagGroup) {
            $allTags = $this->getTagService()->findTagsByGroupId($tagGroup['id']);
            $tagGroups[$key]['subs'] = $allTags;
        }

        return $tagGroups;
    }

    protected function makeSubCategories($category)
    {
        $subCategories = array();

        if (empty($category)) {
            return $subCategories;
        }