PHP code example of davidxu / yii2-dyform

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

davidxu / yii2-dyform example snippets

use yii\helpers\Html;
use yii\widgets\ActiveForm;
use davidxu\dynamicform\DynamicFormWidget;

namespace app\controllers;

use Yii;
use app\models\Customer;
use app\models\CustomerSearch;
use app\models\Address;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use app\base\Model;
use yii\web\Response;
use yii\widgets\ActiveForm;
use yii\helpers\ArrayHelper;

/**
 * CustomerController implements the CRUD actions for Customer model.
 */
class CustomerController extends Controller
{
    ...

    /**
     * Creates a new Customer model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $modelCustomer = new Customer;
        $modelsAddress = [new Address];
        if ($modelCustomer->load(Yii::$app->request->post())) {

            $modelsAddress = Model::createMultiple(Address::classname());
            Model::loadMultiple($modelsAddress, Yii::$app->request->post());

            // ajax validation
            if (Yii::$app->request->isAjax) {
                Yii::$app->response->format = Response::FORMAT_JSON;
                return ArrayHelper::merge(
                    ActiveForm::validateMultiple($modelsAddress),
                    ActiveForm::validate($modelCustomer)
                );
            }

            // validate all models
            $valid = $modelCustomer->validate();
            $valid = Model::validateMultiple($modelsAddress) && $valid;
            
            if ($valid) {
                $transaction = \Yii::$app->db->beginTransaction();
                try {
                    if ($flag = $modelCustomer->save(false)) {
                        foreach ($modelsAddress as $modelAddress) {
                            $modelAddress->customer_id = $modelCustomer->id;
                            if (! ($flag = $modelAddress->save(false))) {
                                $transaction->rollBack();
                                break;
                            }
                        }
                    }
                    if ($flag) {
                        $transaction->commit();
                        return $this->redirect(['view', 'id' => $modelCustomer->id]);
                    }
                } catch (Exception $e) {
                    $transaction->rollBack();
                }
            }
        }

        return $this->render('create', [
            'modelCustomer' => $modelCustomer,
            'modelsAddress' => (empty($modelsAddress)) ? [new Address] : $modelsAddress
        ]);
    }

    /**
     * Updates an existing Customer model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $modelCustomer = $this->findModel($id);
        $modelsAddress = $modelCustomer->addresses;

        if ($modelCustomer->load(Yii::$app->request->post())) {

            $oldIDs = ArrayHelper::map($modelsAddress, 'id', 'id');
            $modelsAddress = Model::createMultiple(Address::classname(), $modelsAddress);
            Model::loadMultiple($modelsAddress, Yii::$app->request->post());
            $deletedIDs = array_diff($oldIDs, array_filter(ArrayHelper::map($modelsAddress, 'id', 'id')));

            // ajax validation
            if (Yii::$app->request->isAjax) {
                Yii::$app->response->format = Response::FORMAT_JSON;
                return ArrayHelper::merge(
                    ActiveForm::validateMultiple($modelsAddress),
                    ActiveForm::validate($modelCustomer)
                );
            }

            // validate all models
            $valid = $modelCustomer->validate();
            $valid = Model::validateMultiple($modelsAddress) && $valid;

            if ($valid) {
                $transaction = \Yii::$app->db->beginTransaction();
                try {
                    if ($flag = $modelCustomer->save(false)) {
                        if (! empty($deletedIDs)) {
                            Address::deleteAll(['id' => $deletedIDs]);
                        }
                        foreach ($modelsAddress as $modelAddress) {
                            $modelAddress->customer_id = $modelCustomer->id;
                            if (! ($flag = $modelAddress->save(false))) {
                                $transaction->rollBack();
                                break;
                            }
                        }
                    }
                    if ($flag) {
                        $transaction->commit();
                        return $this->redirect(['view', 'id' => $modelCustomer->id]);
                    }
                } catch (Exception $e) {
                    $transaction->rollBack();
                }
            }
        }

        return $this->render('update', [
            'modelCustomer' => $modelCustomer,
            'modelsAddress' => (empty($modelsAddress)) ? [new Address] : $modelsAddress
        ]);
    }

    ...
}

namespace app\base;

use Yii;
use yii\helpers\ArrayHelper;

class Model extends \yii\base\Model
{
    /**
     * Creates and populates a set of models.
     *
     * @param string $modelClass
     * @param array $multipleModels
     * @return array
     */
    public static function createMultiple($modelClass, $multipleModels = [])
    {
        $model    = new $modelClass;
        $formName = $model->formName();
        $post     = Yii::$app->request->post($formName);
        $models   = [];

        if (! empty($multipleModels)) {
            $keys = array_keys(ArrayHelper::map($multipleModels, 'id', 'id'));
            $multipleModels = array_combine($keys, $multipleModels);
        }

        if ($post && is_array($post)) {
            foreach ($post as $i => $item) {
                if (isset($item['id']) && !empty($item['id']) && isset($multipleModels[$item['id']])) {
                    $models[] = $multipleModels[$item['id']];
                } else {
                    $models[] = new $modelClass;
                }
            }
        }

        unset($model, $formName, $post);

        return $models;
    }
}

use yii\helpers\Html;
use yii\widgets\ActiveForm;
use davidxu\dynamicform\DynamicFormWidget;

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