Yarik / artbox-webcomment

  <?php
      

      namespace artbox\webcomment\controllers;

      use artbox\webcomment\models\CommentModel;
      use artbox\webcomment\models\CommentModelSearch;
      use artbox\webcomment\Module;

      use Yii;
      use yii\filters\VerbFilter;
      use yii\web\Controller;
      use yii\web\NotFoundHttpException;

      use yii\filters\AccessControl;

      
      class ManageController extends Controller
      {
          
          /**
           * Returns a list of behaviors that this component should behave as.

           *

           * @return array
           */
          public function behaviors()
          {
              return [
                  'verbs' => [
                      'class'   => VerbFilter::className(),
                      'actions' => [
                          'index'  => [ 'get' ],
                          'update' => [
                              'get',
                              'post',
                          ],
                          'delete' => [ 'post' ],
                      ],
                  ],

                  'access' => [
                      'class' => AccessControl::className(),
                      'rules' => [
                          [
                              'actions' => [
                                  'login',
                                  'error',
                              ],
                              'allow'   => true,
                          ],
                          [
                              'allow' => true,
                              'roles' => [ '@' ],
                          ],
                      ],
                  ],

              ];
          }
          
          /**
           * Lists all comments.

           *

           * @return mixed
           */
          public function actionIndex()
          {

              /**
               * @var Module $module
               */
              $module = \Yii::$app->getModule(Module::$name);
              if (!$module) {
                  Module::registerMe();
              }

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

              $commentModel = $module->commentModelClass;

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

          }
          
          /**
           * Updates an existing CommentModel 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->scenario = $model::SCENARIO_ADMIN;

              if ($model->load(Yii::$app->request->post()) && $model->save()) {
                  Yii::$app->session->setFlash(

                      'artbox_comment_success',

                      'Comment has been saved.'
                  );

                  return $this->redirect([ 'index' ]);
              }
              

              return $this->render(
                  'update',
                  [
                      'model' => $model,
                  ]
              );
              
          }

      
          /**
           * Answer to particular comment from backend
           *
           * @param $id
           *
           * @return string|\yii\web\Response
           */

          public function actionAnswer($id)
          {
              $model = $this->findModel($id);

      
              $answer = new CommentModel(
                  [
                      'scenario' => CommentModel::SCENARIO_ADMIN_ANSWER,
                  ]
              );

              
              if ($answer->load(Yii::$app->request->post()) && $answer->save()) {
                  Yii::$app->session->setFlash(
                      'artbox_comment_success',
                      'Comment has been saved.'
                  );
                  return $this->redirect([ 'index' ]);
              }

              return $this->render(
                  'answer',
                  [
                      'answer' => $answer,
                      'model'  => $model,
                  ]
              );

          }
          
          /**
           * Deletes an existing CommentModel 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();

              Yii::$app->session->setFlash(
                  'artbox_comment_success',
                  Yii::t('artbox-comment', 'Comment has been deleted.')
              );

              return $this->redirect([ 'index' ]);
          }
          
          /**
           * Finds the CommentModel model based on its primary key value.
           * If the model is not found, a 404 HTTP exception will be thrown.
           *
           * @param integer $id
           *
           * @return CommentModel the loaded model
           * @throws NotFoundHttpException if the model cannot be found
           */
          protected function findModel($id)
          {

              if (( $model = CommentModel::findOne($id) ) !== null) {

                  return $model;
              } else {

                  throw new NotFoundHttpException(
                      \Yii::t('artbox-comment', 'The requested page does not exist.')

                  );

              }
          }
      }