Souke/backend/controllers/PaiementController.php

<?php

namespace backend\controllers;

use Yii;
use yii\filters\AccessControl;
use yii\data\ActiveDataProvider;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use common\models\User;
use common\models\Etablissement;
use c006\paypal_ipn\PayPal_Ipn;

/**
 * ProduitController implements the CRUD actions for Produit model.
 */
class PaiementController extends BackendController {

    var $enableCsrfValidation = false;

    public function behaviors() {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                ],
            ],
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['ipn'],
                        'allow' => true,
                        'roles' => ['?'],
                    ],
                    [
                        'allow' => true,
                        'roles' => ['@'],
                        'matchCallback' => function ($rule, $action) {
                            return Yii::$app->user->identity->status == USER::STATUS_ADMIN 
                                    || Yii::$app->user->identity->status == USER::STATUS_BOULANGER;
                        }
                    ]
                ],
            ],
        ];
    }

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

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

    public function actionAnnuler() {

        return $this->render('annuler', [
        ]);
    }

    public function actionSucces() {
        return $this->render('succes', [
        ]);
    }

    public function beforeAction($action) {
        if (Yii::$app->controller->action->id == "ipn")
            $this->enableCsrfValidation = false;
        return parent::beforeAction($action);
    }

    public function actionIpn() {
        if (isset($_POST)) {
            $ipn = new PayPal_Ipn(false);
            if ($ipn->init()) {
                $custom = $ipn->getKeyValue('custom');
                $txn_type = $ipn->getKeyValue('txn_type');

                if ($txn_type == 'subscr_payment' && $custom) {
                    $user = User::findOne($custom);
                    if ($user) {
                        $etablissement = Etablissement::findOne($user->id_etablissement);
                        if ($etablissement) {
                            $etablissement->date_paiement = date('Y-m-d H:i:s', time());
                            $etablissement->save();
                        }
                    }
                }
            }
        }
        /* Enable again if you use it */
        Yii::$app->request->enableCsrfValidation = true;
    }

}