src/Topxia/MobileBundleV2/Processor/Impl/CategoryProcessorImpl.php

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<?php

namespace Topxia\MobileBundleV2\Processor\Impl;

use Topxia\MobileBundleV2\Processor\BaseProcessor;
use Topxia\MobileBundleV2\Processor\CategoryProcessor;

class CategoryProcessorImpl extends BaseProcessor implements CategoryProcessor
{
    public function getTags()
    {
        $tags = $this->getTagService()->findAllTags(0, 100);
        $tags = array_map(function ($tag) {
            $tag['createdTime'] = date('c', $tag['createdTime']);

            return $tag;
        }, $tags);

        return $tags;
    }

    public function getCategories()
    {
        $category = $this->getParam('category');

        if (empty($category)) {
            $categories = $this->controller->getCategoryService()->findGroupRootCategories('course');
        } else {
            $group = $this->controller->getCategoryService()->getCategoryByCode($category);
            if (empty($group)) {
                $categories = array();
            } else {
                $ids = $this->controller->getCategoryService()->findCategoryChildrenIds($group['id']);
                $categories = $this->controller->getCategoryService()->findCategoriesByIds($ids);
                $categories = array_values($categories);
            }
        }

        return $categories;
    }

    private function coverCategoryChilds($categories)
    {
        $realityDepth = 0;
        $categorieStack = array();

        foreach ($categories as $key => $categorie) {
            if (empty($categorieStack)) {
                array_push($categorieStack, $categorie);
                continue;
            }

            $popCategory = &$categorieStack[count($categorieStack) - 1];
            $popDepth = $popCategory['depth'];
            $depth = $categorie['depth'];
            if ($depth > 0 && $depth > $popDepth) {
                if (!isset($popCategory['childs'])) {
                    $popCategory['childs'] = array();
                }