backend/controllers/ParserController.php

<?php
namespace backend\controllers;
use Yii;
use yii\filters\AccessControl;
use backend\components\base\BaseController;
use yii\filters\VerbFilter;
use backend\models\UploadFileParsingForm;
use yii\web\UploadedFile;
use yii\data\ArrayDataProvider;
use common\components\debug\CustomVarDamp;
/**
 * Parser controller
 */
class ParserController extends BaseController
{
    public $layout = "/column";
    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'access' => [
                'class' => AccessControl::className(),
                'rules' => [
                    [
                        'actions' => ['index','results'],
                        'allow' => true,
                        'roles' => ['@'],
                    ],
                ],
            ],
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'logout' => ['post'],
                ],
            ],
        ];
    }
    /**
     * @inheritdoc
     */
    public function actions()
    {
        return [
            'error' => [
                'class' => 'yii\web\ErrorAction',
            ],
        ];
    }
    public function actionIndex()
    {
        $model = new UploadFileParsingForm();
        return $this->render('index', ['model' => $model]);
    }
    public function actionResults(){
        $model = new UploadFileParsingForm();
        if ($model->load(Yii::$app->request->post())) {
            $model->file = UploadedFile::getInstance($model, 'file');
            if ($model->validate()) {
                //CustomVarDamp::dumpAndDie(Yii::$app->request->post());
                $filePath = Yii::getAlias('@webroot') . '/uploads/' . $model->file->baseName . '.' . $model->file->extension;
                $model->file->saveAs( $filePath );
                $data = $model->readFile($filePath);
                Yii::$app->getCache()->set( 'parser_data', json_encode($data), 200 );
                $provider = new ArrayDataProvider([
                    'allModels' => $data,
                    'pagination' => [
                        'pageSize' => 10,
                    ],
//                    'sort' => [
//                        'attributes' => ['id', 'name'],
//                    ],
                ]);
                return $this->render('results',
                    ['model' => $data,
                        'dataProvider' => $provider]);
            }
        } else if( Yii::$app->getCache()->get( 'parser_data' )) {
            $data = json_decode(Yii::$app->getCache()->get( 'parser_data' ),true);
            $provider = new ArrayDataProvider([
                'allModels' => $data,
                'pagination' => [
                    'pageSize' => 10,
                ],
//                    'sort' => [
//                        'attributes' => ['id', 'name'],
//                    ],
            ]);
            return $this->render('results',
                ['model' => $data,
                    'dataProvider' => $provider]);
        }
        return $this->render('index', ['model' => $model]);
    }
}