TagModule::getData PHP Метод

    public function getData()
    {
        $TagQuery = Gdn::sql();
        $this->autoContext();
        $TagCacheKey = "TagModule-{$this->ParentType}-{$this->ParentID}";
        switch ($this->ParentType) {
            case 'Discussion':
                $Tags = TagModel::instance()->getDiscussionTags($this->ParentID, false);
                break;
            case 'Category':
                $TagQuery->join('TagDiscussion td', 't.TagID = td.TagID')->select('COUNT(DISTINCT td.TagID)', '', 'NumTags')->where('td.CategoryID', $this->ParentID)->groupBy('td.TagID')->cache($TagCacheKey, 'get', array(Gdn_Cache::FEATURE_EXPIRY => 120));
                break;
            case 'Global':
                $TagCacheKey = 'TagModule-Global';
                $TagQuery->where('t.CountDiscussions >', 0, false)->cache($TagCacheKey, 'get', array(Gdn_Cache::FEATURE_EXPIRY => 120));
                if ($this->CategorySearch) {
                    $TagQuery->where('t.CategoryID', '-1');
                }
                break;
        }
        if (isset($Tags)) {
            $this->_TagData = new Gdn_DataSet($Tags, DATASET_TYPE_ARRAY);
        } else {
            $this->_TagData = $TagQuery->select('t.*')->from('Tag t')->orderBy('t.CountDiscussions', 'desc')->limit(25)->get();
        }
        $this->_TagData->datasetType(DATASET_TYPE_ARRAY);
    }