Alexey Boroda / artbox-weblog

  <?php
      

      namespace artbox\weblog\controllers;

  
      use artbox\weblog\models\CategorySearch;

      use Yii;

      use yii\helpers\ArrayHelper;
      use yii\web\Controller;
      use yii\web\NotFoundHttpException;
      use yii\filters\VerbFilter;

      /**
       * BlogCategoryController implements the CRUD actions for BlogCategory model.
       */

      class CategoryController extends Controller

      {
          /**
           * @inheritdoc
           */

          public function getViewPath()
          {
              return '@artbox/weblog/views/blog-category';
          }
      
          /**
           * @inheritdoc
           */

          public function behaviors()
          {
              return [
                  'verbs' => [
                      'class'   => VerbFilter::className(),
                      'actions' => [
                          'delete' => [ 'POST' ],
                      ],
                  ],
              ];
          }

          /**
           * Lists all BlogCategory models.
           *
           * @return mixed
           */
          public function actionIndex()
          {

              $searchModel = new CategorySearch();

              $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

              return $this->render(
                  'index',
                  [
                      'searchModel'  => $searchModel,
                      'dataProvider' => $dataProvider,
                  ]
              );
          }

          /**
           * Displays a single BlogCategory model.
           *
           * @param integer $id
           *
           * @return mixed
           */
          public function actionView($id)
          {
              return $this->render(
                  'view',
                  [
                      'model' => $this->findModel($id),
                  ]
              );
          }

          /**
           * Creates a new BlogCategory model.
           * If creation is successful, the browser will be redirected to the 'view' page.
           *
           * @return mixed
           */
          public function actionCreate()
          {
              $model = new BlogCategory();
              $model->generateLangs();
              $parentCategories = ArrayHelper::map(
                  BlogCategory::find()
                              ->joinWith('lang')
                              ->where(
                                  [
                                      'parent_id' => 0,
                                  ]
                              )
                              ->all(),
                  'id',
                  'lang.title'
              );

              if ($model->load(Yii::$app->request->post())) {
                  $model->loadLangs(\Yii::$app->request);
                  if ($model->save() && $model->transactionStatus) {
                      return $this->redirect(
                          [
                              'view',
                              'id' => $model->id,
                          ]
                      );
                  }
              }
              return $this->render(
                  'create',
                  [
                      'model'            => $model,
                      'modelLangs'       => $model->modelLangs,
                      'parentCategories' => $parentCategories,
                  ]
              );

          }

          /**
           * Updates an existing BlogCategory model.
           * If update is successful, the browser will be redirected to the 'view' page.
           *
           * @param integer $id
           *
           * @return mixed
           */
          public function actionUpdate($id)
          {
              $model = $this->findModel($id);
              $model->generateLangs();
              $parentCategories = ArrayHelper::map(
                  BlogCategory::find()
                              ->joinWith('lang')
                              ->where(
                                  [
                                      'parent_id' => 0,
                                  ]
                              )
                              ->andWhere(
                                  [
                                      '!=',
                                      BlogCategory::tableName() . '_id',
                                      $model->id,
                                  ]
                              )
                              ->all(),
                  'id',
                  'lang.title'
              );

              if ($model->load(Yii::$app->request->post())) {
                  $model->loadLangs(\Yii::$app->request);
                  if ($model->save() && $model->transactionStatus) {
                      return $this->redirect(
                          [
                              'view',
                              'id' => $model->id,
                          ]
                      );
                  }
              }
              return $this->render(
                  'update',
                  [
                      'model'            => $model,
                      'modelLangs'       => $model->modelLangs,
                      'parentCategories' => $parentCategories,
                  ]
              );

          }

          /**
           * Deletes an existing BlogCategory model.
           * If deletion is successful, the browser will be redirected to the 'index' page.
           *
           * @param integer $id
           *
           * @return mixed
           */
          public function actionDelete($id)
          {
              $this->findModel($id)
                   ->delete();

              return $this->redirect([ 'index' ]);
          }
      
          public function actionDeleteImage($id)
          {
              $model = $this->findModel($id);
              $model->image = null;
              $model->updateAttributes(['image']);
              return true;
          }

          /**
           * Finds the BlogCategory model based on its primary key value.
           * If the model is not found, a 404 HTTP exception will be thrown.
           *
           * @param integer $id
           *
           * @return BlogCategory the loaded model
           * @throws NotFoundHttpException if the model cannot be found
           */
          protected function findModel($id)
          {
              if (( $model = BlogCategory::findOne($id) ) !== NULL) {
                  return $model;
              } else {
                  throw new NotFoundHttpException('The requested page does not exist.');
              }
          }
      }