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<?php
namespace mdm\widgets;
use ReflectionClass;
use Yii;
use yii\base\Model;
use yii\db\BaseActiveRecord;
use yii\helpers\Html;
/**
* Description of ModelHelper
*
* @author Misbahul D Munir <misbahuldmunir@gmail.com>
* @since 1.0
*/
class ModelHelper
{
/**
* Populates a set of models with the data from end user.
* This method is mainly used to collect tabular data input.
* The data to be loaded for each model is `$data[formName][index]`, where `formName`
* refers to the sort name of model class, and `index` the index of the model in the `$data` array.
* If `$formName` is empty, `$data[index]` will be used to populate each model.
* The data being populated to each model is subject to the safety check by [[setAttributes()]].
* @param string $class Model class name.
* @param array $data the data array. This is usually `$_POST` or `$_GET`, but can also be any valid array
* supplied by end user.
* @param string $formName the form name to be used for loading the data into the models.
* If not set, it will use the sort name of called class.
* @param Model[] $origin original models to be populated. It will be check using `$keys` with supplied data.
* If same then will be used for result model.
* @param array $options Option to model
* - scenario for model.
* - arguments The parameters to be passed to the class constructor as an array.
* @return boolean|Model[] whether at least one of the models is successfully populated.
*/
public static function createMultiple($class, $data, $formName = null, &$origin = [], $options = [])
{
$reflector = new ReflectionClass($class);
$args = isset($options['arguments']) ? $options['arguments'] : [];
if ($formName === null) {
/* @var $model Model */
$model = empty($args) ? new $class() : $reflector->newInstanceArgs($args);
$formName = $model->formName();
}
if ($formName != '') {
$data = isset($data[$formName]) ? $data[$formName] : null;
}
if ($data === null) {
return false;
}
$models = [];
foreach ($data as $i => $row) {
$model = null;
if (isset($origin[$i])) {
$model = $origin[$i];
unset($origin[$i]);
} else {
$model = empty($args) ? new $class() : $reflector->newInstanceArgs($args);
}
if (isset($options['scenario'])) {
$model->scenario = $options['scenario'];
}
$model->load($row, '');
$models[$i] = $model;
}
return $models;
}
/**
* Populates a set of models with the data from end user.
* This method is mainly used to collect tabular data input.
* The data to be loaded for each model is `$data[formName][index]`, where `formName`
* refers to the sort name of model class, and `index` the index of the model in the `$data` array.
* If `$formName` is empty, `$data[index]` will be used to populate each model.
* The data being populated to each model is subject to the safety check by [[setAttributes()]].
* @param string $class Model class name.
* @param array $data the data array. This is usually `$_POST` or `$_GET`, but can also be any valid array
* supplied by end user.
* @param string $formName the form name to be used for loading the data into the models.
* If not set, it will use the sort name of called class.
* @param Model[] $origin original models to be populated. It will be check using `$keys` with supplied data.
* If same then will be used for result model.
* @param array $config Option to model
* @return boolean|Model[] whether at least one of the models is successfully populated.
*/
public static function loadMultiple($class, $data, $formName = null, &$origin = [], $config = [])
{
$config['class'] = $class;
if ($formName === null) {
/* @var $model Model */
$model = Yii::createObject($config);
$formName = $model->formName();
}
if ($formName != '') {
$data = isset($data[$formName]) ? $data[$formName] : null;
}
if ($data === null) {
return [];
}
$models = [];
foreach ($data as $i => $row) {
$model = null;
if (isset($origin[$i])) {
$model = $origin[$i];
unset($origin[$i]);
} else {
$model = Yii::createObject($config);
}
$model->load($row, '');
$models[$i] = $model;
}
return $models;
}
/**
*
* @param Model[] $models
* @param array $options
* @param array $messages
* @return boolean
*/
public static function validateMultiple(array $models, $options = [], &$messages = [])
{
/* @var $model Model */
$validateAll = !empty($options['validateAll']);
/* @var $model BaseActiveRecord */
if (isset($options['values'])) {
foreach ($models as $model) {
Yii::configure($model, $options['values']);
}
}
$result = true;
foreach ($models as $i => $model) {
$oke = !isset($options['beforeValidate']) || call_user_func($options['beforeValidate'], $model) !== false;
if ($oke && $model->validate()) {
isset($options['afterValidate']) && call_user_func($options['afterValidate'], $model);
} else {
foreach ($model->getErrors() as $attribute => $message) {
$messages[Html::getInputId($model, "[$i]$attribute")] = $message;
}
if ($validateAll) {
$result = false;
} else {
return false;
}
}
}
return $result;
}
/**
*
* @param BaseActiveRecord[] $models
* @param array $options
* - runValidation boolean default true.
* - beforeSave callable
* - afterSave callable
* - deleteUnsaved boolean default true.
* @param array $messages
* @return boolean
*/
public static function saveMultiple(array $models, $options = [], &$messages = [])
{
$runValidation = !isset($options['runValidation']) || $options['runValidation'];
/* @var $model BaseActiveRecord */
if (isset($options['values'])) {
foreach ($models as $model) {
Yii::configure($model, $options['values']);
}
}
unset($options['values']);
if (!$runValidation || static::validateMultiple($models, $options, $messages)) {
foreach ($models as $model) {
if (!isset($options['beforeSave']) || call_user_func($options['beforeSave'], $model) !== false) {
if ($model->save(false)) {
isset($options['afterSave']) && call_user_func($options['afterSave'], $model);
} else {
return false;
}
} elseif (!isset($options['deleteUnsaved']) || $options['deleteUnsaved']) {
if (!$model->isNewRecord) {
$model->delete();
}
}
}
return true;
}
return false;
}
}
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