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Current Path : /home/vmanager/www/backend/controllers/actions/
Linux 9dbcd5f6333d 5.15.0-124-generic #134-Ubuntu SMP Fri Sep 27 20:20:17 UTC 2024 x86_64
Current File : /home/vmanager/www/backend/controllers/actions/SaveCategoryTreeAction.php
<?php
namespace backend\controllers\actions;

use \Yii as Yii;
use yii\base\Action;
use common\models\Portals;
use yii\caching\TagDependency;

class SaveCategoryTreeAction extends Action
{    
    use \backend\components\traits\ControllerFunctions;
    
    public $redirectUrl = null;
    public $modelClass = null;
    public $cacheTags = [];
    
    protected $tree = [];
    
    public function run()
    {
        if(Yii::$app->request->isPost) {
            if(empty($this->redirectUrl) || empty($this->modelClass)) {
                Yii::$app->session->addFlash('error', Yii::t('backend', 'Brak danych niezbędnych do wykonania akcji.'));
                return $this->controller->redirect($this->redirectUrl);
            }
            
            $modelClass = $this->modelClass;
            
            $tree = Yii::$app->request->post('tree', []);
            $idPortal = intval(Yii::$app->request->post('idPortal'));
            
            $portalCount = Portals::find()->where(['id_portal' => $idPortal])->count();            
            if(empty($tree) || $portalCount < 1) {
                Yii::$app->session->addFlash('error', Yii::t('backend', 'Brak danych niezbędnych do wykonania akcji.'));
                return $this->controller->redirect($this->redirectUrl);
            }
            
            $tree = json_decode($tree, true);
            $tree = $tree[0];
            
            $this->convertArrayToNestedSet($tree, -1);
            
            
            usort($this->tree, function($a, $b) {
                if ($a['left'] === $b['left']) {
                    return 0;
                }
                return ($a['left'] < $b['left']) ? -1 : 1;
            });            
            
            $existingCategories = $modelClass::find()->where(['id_portal' => $idPortal])->indexBy('id_category')->all();

            $transaction = Yii::$app->db->beginTransaction();
            
            if(!empty($this->tree)) {
                foreach($this->tree as $category) {                    
                    if(is_numeric($category['id_category']) && isset($existingCategories[intval($category['id_category'])])) {
                        //edycja                        
                        $model = $existingCategories[intval($category['id_category'])];
                        $model->setScenario('update');
                        unset($existingCategories[intval($category['id_category'])]);
                    }
                    else {
                        //utworzenie nowego rekordu
                        $model = new $modelClass;
                        $model->setScenario('create');
                    }
                    
                    $model->setAttributes([
                        'name' => $category['name'],
                        'description' => $category['description'],
                        'left' => $category['left'],
                        'right' => $category['right'],
                        'depth' => $category['depth'],
                        'id_portal' => $idPortal
                    ]);
                    
                    if($model->hasAttribute('category_type')) {
                        $model->category_type = !empty($category['type']) ? $category['type'] : null;
                    }
                    
                    if(!$model->save()) {
                        Yii::$app->session->addFlash('error', Yii::t('backend', 'Błąd podczas zapisu.'));
                        return $this->controller->redirect($this->redirectUrl);
                    }
                }
            }
            
            if(!empty($existingCategories)) {
                foreach($existingCategories as $existingCategory) {
                    if($existingCategory->delete() === false) {
                        Yii::$app->session->addFlash('error', Yii::t('backend', 'Błąd podczas zapisu.'));
                        return $this->controller->redirect($this->redirectUrl);
                    }
                }
            }
            
            Yii::$app->session->addFlash('confirm', Yii::t('backend', 'Poprawnie zapisano dane.')); 
            $transaction->commit();
            if(!empty($this->cacheTags)) {
                TagDependency::invalidate(Yii::$app->frontendCache, $this->cacheTags);
            }
            
            return $this->controller->redirect($this->redirectUrl);
        }
    }
    
    protected function convertArrayToNestedSet($data, $depth, $previousLeft = 0)
    {
        $depth = $depth + 1;
        
        $element = [];
        $element['id_category'] = $data['id']; 
        $element['depth'] = $depth;
        $element['description'] = (!empty($data['data']['description'])) ? $data['data']['description'] : null;
        $element['type'] = (!empty($data['data']['type'])) ? $data['data']['type'] : null;
        $element['name'] = $data['text'];
        $element['left'] = $previousLeft + 1;
        
        $lastRight = $element['left'];
        $i = 0;
        if($data['children'])
        {
            foreach($data['children'] as $a_child)
            {
                $lastRight = $this->convertArrayToNestedSet($data['children'][$i], $depth, $lastRight);
                $i++;
            }
        }
        
        $element['right'] = $lastRight + 1; 
        array_push($this->tree, $element); 
        return $element['right'];      
    }
}
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