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<?php |
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/** |
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* ActiveRecord for API |
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* |
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* @link https://github.com/hiqdev/yii2-hiart |
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* @package yii2-hiart |
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* @license BSD-3-Clause |
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* @copyright Copyright (c) 2015-2019, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\hiart; |
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use Closure; |
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use Yii; |
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use yii\base\Component; |
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use yii\base\InvalidCallException; |
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use yii\base\InvalidConfigException; |
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use yii\base\InvalidValueException; |
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use yii\base\Model; |
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use yii\base\ModelEvent; |
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use yii\helpers\ArrayHelper; |
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/** |
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* Class Collection manages the collection of the models. |
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* |
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* @var ActiveRecord[] the array of models in the collection |
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* |
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* @property Model[] $models |
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*/ |
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class Collection extends Component |
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{ |
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const EVENT_BEFORE_INSERT = 'beforeInsert'; |
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const EVENT_BEFORE_UPDATE = 'beforeUpdate'; |
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const EVENT_BEFORE_VALIDATE = 'beforeValidate'; |
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const EVENT_AFTER_VALIDATE = 'afterValidate'; |
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const EVENT_AFTER_SAVE = 'afterSave'; |
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const EVENT_BEFORE_LOAD = 'beforeLoad'; |
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const EVENT_AFTER_LOAD = 'afterLoad'; |
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const EVENT_BEFORE_DELETE = 'beforeDelete'; |
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const EVENT_AFTER_DELETE = 'afterDelete'; |
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/** |
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* @var boolean Whether to check, that all [[$models]] are instance of the same class |
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* @see isConsistent |
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*/ |
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public $checkConsistency = true; |
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/** |
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* @var ActiveRecord[] array of models |
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*/ |
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protected $models = []; |
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/** |
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* @var string the name of the form. Sets automatically on [[set()]] |
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* @see set() |
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*/ |
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public $formName; |
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/** |
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* @var callable the function to format loaded data. Gets three attributes: |
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* - model (instance of operating model) |
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* - key - the key of the loaded item |
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* - value - the value of the loaded item |
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* Should return array, where the first item is the new key, and the second - a new value. Example: |
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* ``` |
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* return [$key, $value]; |
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* ``` |
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*/ |
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public $loadFormatter; |
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/** |
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* @var ActiveRecord the template model instance. May be set manually by [[setModel()]] or |
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* automatically on [[set()]] call |
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* @see setModel() |
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* @see set() |
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*/ |
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protected $model; |
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/** |
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* @var array options that will be passed to the new model when loading data in [[load]] |
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* @see load() |
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*/ |
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public $modelOptions = []; |
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/** |
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* @var array options that will be passed to [[ActiveRecord::query()]] method as third argument |
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* @see ActiveRecord::query() |
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*/ |
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public $queryOptions = []; |
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/** |
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* @var ActiveRecord the first model of the set. Fills automatically by [[set()]] |
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* @see set() |
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*/ |
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public $first; |
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/** |
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* @var array the model's attributes that will be saved |
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*/ |
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public $attributes; |
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/** |
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* @var Closure a closure that will used to collect data from [[models]] before saving. |
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* Signature: |
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* ```php |
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* function ($model, $collection) |
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* ``` |
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* |
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* Method must return array of two elements: |
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* - 0: key of the model in resulting array |
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* - 1: corresponding value |
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* |
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* @see collectData |
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*/ |
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public $dataCollector; |
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public function init() |
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{ |
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if (!isset($this->queryOptions['batch'])) { |
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$this->queryOptions['batch'] = true; |
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} |
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} |
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/** |
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* Sets the model of the collection. |
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* @param ActiveRecord|array $model if the model is an instance of [[Model]] - sets it, otherwise - creates the model |
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* using given options array |
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* @return object|ActiveRecord |
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*/ |
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public function setModel($model) |
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{ |
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if ($model instanceof Model) { |
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$this->model = $model; |
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} else { |
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$this->model = Yii::createObject($model); |
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} |
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$model = $this->model; |
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$this->updateFormName(); |
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if (empty($this->getScenario())) { |
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$this->setScenario($model->scenario); |
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} |
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return $this->model; |
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} |
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/** |
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* Returns the [[model]]. |
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* @return ActiveRecord |
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*/ |
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public function getModel() |
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{ |
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return $this->model; |
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} |
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public function getIds() |
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{ |
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$ids = []; |
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foreach ($this->models as $model) { |
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$ids[] = $model->getPrimaryKey(); |
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} |
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return $ids; |
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} |
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/** |
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* @return ActiveRecord[] models |
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*/ |
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public function getModels() |
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{ |
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return $this->models; |
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} |
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/** |
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* Sets the scenario of the default model. |
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* @param $value string scenario |
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*/ |
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public function setScenario($value) |
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{ |
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$this->modelOptions['scenario'] = $value; |
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} |
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/** |
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* Gets the scenario the default model. |
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* @return string the scenario |
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*/ |
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public function getScenario() |
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{ |
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return $this->modelOptions['scenario']; |
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} |
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/** |
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* Updates [[formName]] from the current [[model]]. |
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* @return string the form name |
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*/ |
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public function updateFormName() |
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{ |
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if (!($this->model instanceof Model)) { |
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throw new InvalidCallException('The model should be set first'); |
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} |
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return $this->formName = $this->model->formName(); |
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} |
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/** |
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* We can load data from 3 different structures:. |
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* 1) POST: [ |
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* 'ModelName' => [ |
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* 'attribute1' => 'value1', |
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* 'attribute2' => 'value2' |
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* ] |
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* ] |
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* 2) POST: [ |
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* 'ModelName' => [ |
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* 1 => [ |
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* 'attribute1' => 'value1', |
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* 'attribute2' => 'value2' |
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* ], |
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* 2 => [ |
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* ... |
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* ] |
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* ] |
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* } |
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* 3) foreach ($selection as $id) { |
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* $res[$id] = [reset($model->primaryKey()) => $id]; |
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* }. |
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* @param array|callable $data - the data to be proceeded. |
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* If is callable - gets arguments: |
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* - model |
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* - fromName |
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* @throws InvalidConfigException |
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* @return Collection |
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*/ |
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public function load($data = null) |
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{ |
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$models = []; |
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$finalData = []; |
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if ($data === null) { |
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$data = Yii::$app->request->post(); |
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if (isset($data[$this->formName])) { |
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$data = $data[$this->formName]; |
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$is_batch = true; |
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foreach ($data as $k => $v) { |
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if (!is_array($v)) { |
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$is_batch = false; |
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break; |
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} |
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} |
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if (!$is_batch) { |
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$data = [$data]; |
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} |
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} elseif ($data['selection']) { |
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$res = []; |
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foreach ($data['selection'] as $id) { |
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$res[$id] = [reset($this->model->primaryKey()) => $id]; |
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} |
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$data = $res; |
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} |
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} elseif ($data instanceof Closure) { |
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$data = call_user_func($data, $this->model, $this->formName); |
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} |
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foreach ($data as $key => $value) { |
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if ($this->loadFormatter instanceof Closure) { |
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$item = call_user_func($this->loadFormatter, $this->model, $key, $value); |
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$key = $item[0]; |
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} else { |
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$item = [$key, $value]; |
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} |
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$options = ArrayHelper::merge(['class' => $this->model->className()], $this->modelOptions); |
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$models[$key] = Yii::createObject($options); |
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$finalData[$this->formName][$key] = $item[1]; |
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} |
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$this->model->loadMultiple($models, $finalData); |
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return $this->set($models); |
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} |
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/** |
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* Sets the array of AR models to the collection. |
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* @param array|ActiveRecord $models - array of AR Models or a single model |
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* @return $this |
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*/ |
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public function set($models) |
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{ |
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if ($models instanceof ActiveRecord) { |
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$models = [$models]; |
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} |
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$first = reset($models); |
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if ($first === false) { |
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return $this; |
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} |
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$this->first = $first; |
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$this->formName = $first->formName(); |
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$this->model = $this->setModel($first); |
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$this->models = $models; |
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if ($this->checkConsistency && !$this->isConsistent()) { |
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throw new InvalidValueException('Models are not objects of same class or not follow same operation'); |
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} |
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return $this; |
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} |
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/** |
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* Saves the current collection. |
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* This method will call [[insert()]] or [[update()]]. |
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* @param bool $runValidation whether to perform validation before saving the collection |
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* @param array $attributes list of attribute names that need to be saved. Defaults to null, |
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* meaning all attributes that are loaded will be saved. If the scenario is specified, will use only |
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* fields from the scenario |
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* @param array $options the array of options that will be passed to [[insert]] or [[update]] methods to override |
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* model parameters |
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* @return bool whether the saving succeeds |
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*/ |
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public function save($runValidation = true, $attributes = null, $options = []) |
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{ |
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if ($this->isEmpty()) { |
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throw new InvalidCallException('Collection is empty, nothing to save'); |
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} |
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$options = array_merge($this->queryOptions, $options); |
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331
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if ($this->first->getIsNewRecord()) { |
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return $this->insert($runValidation, $attributes, $options); |
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} else { |
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return $this->update($runValidation, $attributes, $options); |
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} |
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} |
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public function insert($runValidation = true, $attributes = null, array $queryOptions = []) |
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{ |
340
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if (!$attributes) { |
341
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$attributes = $this->attributes ?: $this->first->activeAttributes(); |
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} |
343
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if ($runValidation && !$this->validate($attributes)) { |
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return false; |
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} |
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if (!$this->beforeSave(true)) { |
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return false; |
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} |
349
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350
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$data = $this->collectData($attributes); |
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$results = $this->performOperation('create', $data, $queryOptions); |
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$pk = $this->first->primaryKey()[0]; |
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foreach ($this->models as $key => $model) { |
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$values = &$data[$key]; |
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$result = &$results[$key]; |
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if (!$result) { |
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$result = $this->findAssociatedModelData($results, $model, $pk); |
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} |
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$model->{$pk} = $result['id']; |
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if ($pk !== 'id') { |
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$values[$pk] = $result['id']; |
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} |
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$changedAttributes = array_fill_keys(array_keys($values), null); |
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$model->setOldAttributes($values); |
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$model->afterSave(true, $changedAttributes); |
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} |
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$this->afterSave(); |
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return true; |
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} |
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public function update($runValidation = true, $attributes = null, array $queryOptions = []) |
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{ |
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if (!$attributes) { |
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$attributes = $this->attributes ?: $this->first->activeAttributes(); |
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} |
379
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if ($runValidation && !$this->validate($attributes)) { |
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return false; |
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} |
382
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if (!$this->beforeSave()) { |
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return false; |
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} |
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$data = $this->collectData($attributes); |
387
|
|
|
$results = $this->performOperation('update', $data, $queryOptions); |
|
|
|
|
388
|
|
|
|
389
|
|
|
foreach ($this->models as $key => $model) { |
390
|
|
|
$changedAttributes = []; |
391
|
|
|
$values = array_key_exists($key, $data) ? $data[$key] : $data[$model->id]; /// XXX not good |
392
|
|
|
foreach ($values as $name => $value) { |
393
|
|
|
$changedAttributes[$name] = $model->getOldAttribute($name); |
394
|
|
|
$model->setOldAttribute($name, $value); |
395
|
|
|
} |
396
|
|
|
$model->afterSave(false, $changedAttributes); |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
$this->afterSave(); |
400
|
|
|
|
401
|
|
|
return true; |
402
|
|
|
} |
403
|
|
|
|
404
|
|
|
public function delete() |
405
|
|
|
{ |
406
|
|
|
if (!$this->beforeDelete()) { |
407
|
|
|
return false; |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
$data = $this->collectData(); |
411
|
|
|
$results = $this->performOperation('delete', $data); |
412
|
|
|
|
413
|
|
|
$this->afterDelete(); |
414
|
|
|
|
415
|
|
|
return $results; |
416
|
|
|
} |
417
|
|
|
|
418
|
|
|
/** |
419
|
|
|
* Collects data from the stored models. |
420
|
|
|
* @param string|array $attributes list of attributes names |
421
|
|
|
* @return array |
422
|
|
|
*/ |
423
|
|
|
public function collectData($attributes = null) |
424
|
|
|
{ |
425
|
|
|
$data = []; |
426
|
|
|
foreach ($this->models as $model) { |
427
|
|
|
if ($this->dataCollector instanceof Closure) { |
428
|
|
|
list($key, $row) = call_user_func($this->dataCollector, $model, $this); |
429
|
|
|
} else { |
430
|
|
|
$key = $model->getPrimaryKey(); |
431
|
|
|
$row = $model->getAttributes($attributes); |
|
|
|
|
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
if ($key) { |
435
|
|
|
$data[$key] = $row; |
436
|
|
|
} else { |
437
|
|
|
$data[] = $row; |
438
|
|
|
} |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
return $data; |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
/** |
445
|
|
|
* Whether one of models has an error. |
446
|
|
|
* @return bool |
447
|
|
|
*/ |
448
|
|
|
public function hasErrors() |
449
|
|
|
{ |
450
|
|
|
foreach ($this->models as $model) { |
451
|
|
|
if ($model->hasErrors()) { |
452
|
|
|
return true; |
453
|
|
|
} |
454
|
|
|
} |
455
|
|
|
|
456
|
|
|
return false; |
457
|
|
|
} |
458
|
|
|
|
459
|
|
|
/** |
460
|
|
|
* Returns the first error of the collection. |
461
|
|
|
* @return bool|mixed |
462
|
|
|
*/ |
463
|
|
|
public function getFirstError() |
464
|
|
|
{ |
465
|
|
|
foreach ($this->models as $model) { |
466
|
|
|
if ($model->hasErrors()) { |
467
|
|
|
$errors = $model->getFirstErrors(); |
468
|
|
|
|
469
|
|
|
return array_shift($errors); |
470
|
|
|
} |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
return false; |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
public function count() |
477
|
|
|
{ |
478
|
|
|
return is_array($this->models) ? count($this->models) : 0; |
|
|
|
|
479
|
|
|
} |
480
|
|
|
|
481
|
|
|
public function validate($attributes = null) |
482
|
|
|
{ |
483
|
|
|
if (!$this->beforeValidate()) { |
484
|
|
|
return false; |
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
if (!$this->first->validateMultiple($this->models, $attributes)) { |
488
|
|
|
return false; |
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
$this->afterValidate(); |
492
|
|
|
|
493
|
|
|
return true; |
494
|
|
|
} |
495
|
|
|
|
496
|
|
|
public function beforeValidate() |
497
|
|
|
{ |
498
|
|
|
$event = new ModelEvent(); |
499
|
|
|
$this->triggerAll(self::EVENT_BEFORE_VALIDATE, $event); |
500
|
|
|
|
501
|
|
|
return $event->isValid; |
502
|
|
|
} |
503
|
|
|
|
504
|
|
|
public function afterValidate() |
505
|
|
|
{ |
506
|
|
|
$event = new ModelEvent(); |
507
|
|
|
|
508
|
|
|
$this->triggerAll(self::EVENT_AFTER_VALIDATE, $event); |
509
|
|
|
|
510
|
|
|
return $event->isValid; |
511
|
|
|
} |
512
|
|
|
|
513
|
|
|
public function beforeSave($insert = false) |
514
|
|
|
{ |
515
|
|
|
$event = new ModelEvent(); |
516
|
|
|
if ($this->isEmpty()) { |
517
|
|
|
$event->isValid = false; |
518
|
|
|
} |
519
|
|
|
$this->triggerAll($insert ? self::EVENT_BEFORE_INSERT : self::EVENT_BEFORE_UPDATE, $event); |
520
|
|
|
|
521
|
|
|
return $event->isValid; |
522
|
|
|
} |
523
|
|
|
|
524
|
|
|
public function afterSave() |
525
|
|
|
{ |
526
|
|
|
$this->triggerAll(self::EVENT_AFTER_SAVE); |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
public function beforeLoad() |
530
|
|
|
{ |
531
|
|
|
$event = new ModelEvent(); |
532
|
|
|
$this->trigger(self::EVENT_BEFORE_LOAD, $event); |
533
|
|
|
|
534
|
|
|
return $event->isValid; |
535
|
|
|
} |
536
|
|
|
|
537
|
|
|
public function afterLoad() |
538
|
|
|
{ |
539
|
|
|
$this->trigger(self::EVENT_AFTER_LOAD); |
540
|
|
|
} |
541
|
|
|
|
542
|
|
|
public function beforeDelete() |
543
|
|
|
{ |
544
|
|
|
$event = new ModelEvent(); |
545
|
|
|
$this->trigger(self::EVENT_BEFORE_DELETE, $event); |
546
|
|
|
|
547
|
|
|
return $event->isValid; |
548
|
|
|
} |
549
|
|
|
|
550
|
|
|
public function afterDelete() |
551
|
|
|
{ |
552
|
|
|
$this->trigger(self::EVENT_AFTER_DELETE); |
553
|
|
|
} |
554
|
|
|
|
555
|
|
|
/** |
556
|
|
|
* Iterates over all of the models and triggers some event. |
557
|
|
|
* @param string $name the event name |
558
|
|
|
* @param ModelEvent $event |
559
|
|
|
* @return bool whether is valid |
560
|
|
|
*/ |
561
|
|
|
public function triggerModels($name, ModelEvent $event = null) |
562
|
|
|
{ |
563
|
|
|
if ($event === null) { |
564
|
|
|
$event = new ModelEvent(); |
565
|
|
|
} |
566
|
|
|
foreach ($this->models as $model) { |
567
|
|
|
$model->trigger($name, $event); |
568
|
|
|
} |
569
|
|
|
|
570
|
|
|
return $event->isValid; |
571
|
|
|
} |
572
|
|
|
|
573
|
|
|
/** |
574
|
|
|
* Calls [[triggerModels()]], then calls [[trigger()]]. |
575
|
|
|
* @param string $name the event name |
576
|
|
|
* @param ModelEvent $event |
577
|
|
|
* @return bool whether is valid |
578
|
|
|
*/ |
579
|
|
|
public function triggerAll($name, ModelEvent $event = null) |
580
|
|
|
{ |
581
|
|
|
if ($event === null) { |
582
|
|
|
$event = new ModelEvent(); |
583
|
|
|
} |
584
|
|
|
if ($this->triggerModels($name, $event)) { |
585
|
|
|
$this->trigger($name, $event); |
586
|
|
|
} |
587
|
|
|
|
588
|
|
|
return $event->isValid; |
589
|
|
|
} |
590
|
|
|
|
591
|
|
|
public function isConsistent() |
592
|
|
|
{ |
593
|
|
|
$new = $this->first->getIsNewRecord(); |
594
|
|
|
$className = $this->first->className(); |
|
|
|
|
595
|
|
|
foreach ($this->models as $model) { |
596
|
|
|
if ($new !== $model->getIsNewRecord() || $className !== $model->className()) { |
|
|
|
|
597
|
|
|
return false; |
598
|
|
|
} |
599
|
|
|
} |
600
|
|
|
|
601
|
|
|
return true; |
602
|
|
|
} |
603
|
|
|
|
604
|
|
|
public function isEmpty() |
605
|
|
|
{ |
606
|
|
|
return empty($this->models); |
607
|
|
|
} |
608
|
|
|
|
609
|
|
|
/** |
610
|
|
|
* Try to find the model data if the response from the API came without an index by ID. |
611
|
|
|
* |
612
|
|
|
* @param $data |
613
|
|
|
* @param $model |
614
|
|
|
* @param $pk |
615
|
|
|
* @return mixed |
616
|
|
|
*/ |
617
|
|
|
protected function findAssociatedModelData($data, $model, $pk) |
|
|
|
|
618
|
|
|
{ |
619
|
|
|
if (isset($data[$pk])) { |
620
|
|
|
return $data; |
621
|
|
|
} |
622
|
|
|
|
623
|
|
|
// todo: Add implementation for batch response |
624
|
|
|
throw new InvalidValueException('There is no implementation for a response from api without an index on ID'); |
625
|
|
|
} |
626
|
|
|
|
627
|
|
|
/** |
628
|
|
|
* Perform operation with collection models |
629
|
|
|
* @param string $command (create||update||delete) |
630
|
|
|
* @param array $data |
631
|
|
|
* @param array $queryOptions |
632
|
|
|
* @return array |
633
|
|
|
*/ |
634
|
|
|
protected function performOperation(string $command, array $data, array $queryOptions = []) : array |
635
|
|
|
{ |
636
|
|
|
return $this->first->batchQuery($command, $data, $queryOptions); |
637
|
|
|
} |
638
|
|
|
} |
639
|
|
|
|