frontend/controllers/SupportController.php

<?php
    /**
     * Created by PhpStorm.
     * User: stes
     * Date: 14.06.18
     * Time: 13:40
     */
    
    namespace frontend\controllers;
    
    use common\models\Book;
    use common\models\Support;
    use yii\web\Controller;
    class SupportController extends Controller
    {
        public function actionIndex($book_id = null){
            $model = new Support([
                'book_id' => $book_id,
                'status'  => 0
                                 ]);
            $book = Book::find()->with('author')->where(['id' => $book_id])->one();
            if ($model->load(\Yii::$app->request->post()) and $model->save()){
                \Yii::$app->session->setFlash('success', 'Дякуємо за ваш запит. Найближчим часом, наш менеджер зв\'яжеться з Вами для уточнення деталей');
                return $this->redirect(['site/index']);
            }
            return $this->render('index', [
                'model' => $model,
                'book' => $book
            ]);
        }
        public function actionSearch()
        {
            return $this->render('search');
        }
    }