eventcontroller.php

<?php

namespace backend\controllers;

use Yii;
use common\components\MyController;
use backend\models\Event;
use backend\models\EventSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\web\UploadedFile;

/**
 * EventController implements the CRUD actions for Event model.
 */
class EventController extends MyController
{

    /** @inheritdoc */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::class,
                'actions' => [
                    'delete' => ['post'],
                ],
            ],
        ];
    }

    /**
     * Lists all Event models.
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new EventSearch();
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

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

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

        if (Yii::$app->request->isAjax) {
            return $this->renderAjax('view', $viewData);
        }

        return $this->render('view', $viewData);
    }

    /**
     * Creates a new Event model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new Event();

        if ($model->load(Yii::$app->request->post())) {
            if ($model->save()) {
                alertSuccess(translateText('Data saved successfully'));
                return $this->redirect(['index']);
            } else {
                alertDanger(translateText('Failed to save data'));
            }
        }

        $viewData = [
            'model' => $model,
        ];

        if (Yii::$app->request->isAjax) {
            return $this->renderAjax('create', $viewData);
        }

        return $this->render('create', $viewData);
    }

    /**
     * Updates an existing Event 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);

        if ($model->load(Yii::$app->request->post())) {
            if ($model->save()) {
                alertSuccess(translateText('Data saved successfully'));

                if (@explode("?", Yii::$app->request->referrer)[0] == Yii::$app->urlManager->createAbsoluteUrl(['event/index'])) {
                    return $this->redirect(['index', 'modal' => $id]);
                }

                return $this->redirect(['view', 'id' => $id]);
            } else {
                alertDanger(translateText('Failed to save data'));
            }
        }

        $viewData = [
            'model' => $model,
        ];

        if (Yii::$app->request->isAjax) {
            return $this->renderAjax('update', $viewData);
        }

        return $this->render('update', $viewData);
    }

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

        if ($model->delete()) {
            alertSuccess(translateText('Data deleted successfully'));
        } else {
            alertDanger(translateText('Failed to delete data'));
        }
        return $this->redirect(['index']);
    }

    /**
     * Finds the Event model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param integer $id
     * @return Event the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        if (($model = Event::findOne($id)) !== null) {

            return $model;
        }
        throw new NotFoundHttpException('The requested page does not exist.');
    }
}