131 lines
3.8 KiB
PHP
131 lines
3.8 KiB
PHP
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\rest;
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use Yii;
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use yii\data\ActiveDataProvider;
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use yii\data\DataFilter;
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/**
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* IndexAction implements the API endpoint for listing multiple models.
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*
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* For more details and usage information on IndexAction, see the [guide article on rest controllers](guide:rest-controllers).
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class IndexAction extends Action
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{
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/**
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* @var callable a PHP callable that will be called to prepare a data provider that
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* should return a collection of the models. If not set, [[prepareDataProvider()]] will be used instead.
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* The signature of the callable should be:
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*
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* ```php
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* function (IndexAction $action) {
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* // $action is the action object currently running
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* }
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* ```
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*
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* The callable should return an instance of [[ActiveDataProvider]].
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*
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* If [[dataFilter]] is set the result of [[DataFilter::build()]] will be passed to the callable as a second parameter.
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* In this case the signature of the callable should be the following:
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*
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* ```php
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* function (IndexAction $action, mixed $filter) {
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* // $action is the action object currently running
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* // $filter the built filter condition
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* }
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* ```
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*/
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public $prepareDataProvider;
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/**
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* @var DataFilter|null data filter to be used for the search filter composition.
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* You must setup this field explicitly in order to enable filter processing.
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* For example:
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*
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* ```php
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* [
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* 'class' => 'yii\data\ActiveDataFilter',
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* 'searchModel' => function () {
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* return (new \yii\base\DynamicModel(['id' => null, 'name' => null, 'price' => null]))
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* ->addRule('id', 'integer')
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* ->addRule('name', 'trim')
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* ->addRule('name', 'string')
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* ->addRule('price', 'number');
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* },
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* ]
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* ```
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*
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* @see DataFilter
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*
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* @since 2.0.13
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*/
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public $dataFilter;
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/**
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* @return ActiveDataProvider
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*/
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public function run()
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{
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if ($this->checkAccess) {
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call_user_func($this->checkAccess, $this->id);
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}
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return $this->prepareDataProvider();
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}
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/**
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* Prepares the data provider that should return the requested collection of the models.
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* @return ActiveDataProvider
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*/
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protected function prepareDataProvider()
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{
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$requestParams = Yii::$app->getRequest()->getBodyParams();
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if (empty($requestParams)) {
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$requestParams = Yii::$app->getRequest()->getQueryParams();
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}
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$filter = null;
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if ($this->dataFilter !== null) {
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$this->dataFilter = Yii::createObject($this->dataFilter);
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if ($this->dataFilter->load($requestParams)) {
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$filter = $this->dataFilter->build();
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if ($filter === false) {
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return $this->dataFilter;
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}
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}
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}
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if ($this->prepareDataProvider !== null) {
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return call_user_func($this->prepareDataProvider, $this, $filter);
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}
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/* @var $modelClass \yii\db\BaseActiveRecord */
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$modelClass = $this->modelClass;
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$query = $modelClass::find();
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if (!empty($filter)) {
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$query->andWhere($filter);
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}
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return Yii::createObject([
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'class' => ActiveDataProvider::className(),
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'query' => $query,
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'pagination' => [
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'params' => $requestParams,
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],
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'sort' => [
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'params' => $requestParams,
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],
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]);
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}
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}
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