/**
  * Returns active widgets for current request
  * @return ThemeActiveWidgets[]
  */
 public static function getActiveWidgets()
 {
     if (static::$activeWidgets === null) {
         Yii::beginProfile('Get active widgets');
         $variationIds = ArrayHelper::getColumn(ThemeVariation::getMatchedVariations(), 'id');
         if (count($variationIds) === 0) {
             Yii::trace("Warning! No active widgets because of no matched variations! Check your variations configuration.");
             Yii::endProfile('Get active widgets');
             return [];
         }
         $cacheKey = 'ActiveWidgets:' . implode(',', $variationIds);
         static::$activeWidgets = Yii::$app->cache->get($cacheKey);
         if (static::$activeWidgets === false) {
             static::$activeWidgets = ThemeActiveWidgets::find()->where(['in', 'variation_id', $variationIds])->with('widget')->orderBy(['part_id' => SORT_ASC, 'sort_order' => SORT_ASC])->all();
             Yii::$app->cache->set($cacheKey, static::$activeWidgets, 86400, new TagDependency(['tags' => [ActiveRecordHelper::getCommonTag(ThemeActiveWidgets::className()), ActiveRecordHelper::getCommonTag(ThemeWidgets::className())]]));
         }
         Yii::endProfile('Get active widgets');
     }
     return static::$activeWidgets;
 }