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<?php |
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namespace SimaLand\API; |
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use GuzzleHttp\Psr7\Response; |
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use SimaLand\API\Rest\Client; |
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use SimaLand\API\Rest\Request; |
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use SimaLand\API\Rest\ResponseException; |
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use GuzzleHttp\Exception\RequestException; |
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/** |
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* Абстрактный класс для загрузки данных сущности. |
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* |
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* Класс реализует интерфейс Iterator. |
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* |
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* @property $getParams GET параметры запроса. |
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*/ |
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abstract class AbstractList extends Object implements \Iterator |
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{ |
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/** |
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* Кол-во потоков. |
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* |
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* @var int |
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*/ |
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public $countThreads = 5; |
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/** |
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* GET параметр отвечающий за поток. |
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* |
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* @var string |
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*/ |
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public $keyThreads = 'page'; |
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/** |
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* Ключ альтернативной пагинации. |
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* |
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* @var string |
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*/ |
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public $keyAlternativePagination = 'id-greater-than'; |
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/** |
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* Использовать альтернативную пагинацию. |
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* |
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* @var bool |
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*/ |
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public $useAlternativePagination = false; |
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/** |
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* GET параметры запроса. |
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* |
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* @var array |
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*/ |
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protected $_getParams = []; |
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/** |
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* Кол-во повторов обращение к ресурсу при ошибках. |
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* |
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* @var int |
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*/ |
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public $repeatTimeout = 30; |
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/** |
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* Время в секундак до следующего обращения к ресурсу. |
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* |
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* @var int |
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*/ |
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public $repeatCount = 30; |
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/** |
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* SimaLand кдиент для запросов. |
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* |
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* @var \SimaLand\API\Rest\Client |
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*/ |
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private $client; |
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/** |
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* Список запросов. |
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* |
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* @var Request[] |
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*/ |
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private $requests = []; |
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/** |
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* Список данных полученные по API. |
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* |
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* @var array |
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*/ |
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private $values = []; |
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/** |
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* Ключ текущей записи. |
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* |
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* @var int |
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*/ |
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private $key; |
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/** |
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* Текущая запись. |
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* |
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* @var mixed |
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*/ |
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private $current; |
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/** |
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* @param Client $client |
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* @param array $options |
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*/ |
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public function __construct(Client $client, array $options = []) |
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{ |
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$this->client = $client; |
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parent::__construct($options); |
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} |
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/** |
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* Получить наименование сущности. |
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* |
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* @return string |
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*/ |
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abstract public function getEntity(); |
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/** |
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* Добавить get параметры. |
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* |
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* @param array $params |
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* @return AbstractList |
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*/ |
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public function addGetParams(array $params) |
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{ |
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$this->setGetParams(array_merge($this->_getParams, $params)); |
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return $this; |
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} |
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/** |
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* Назначить следующую страницу запросу. |
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* |
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* @param Request $request |
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* @param Record|null $record |
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*/ |
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public function assignPage(Request &$request, Record $record = null) |
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{ |
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if ($this->useAlternativePagination) { |
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$this->assignAlternativePage($request, $record); |
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} else { |
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$this->assignDefaultPage($request); |
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} |
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} |
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/** |
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* Назначить следующую страницу запросу, используя стандартную пагинацию. |
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* |
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* @param Request $request |
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*/ |
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protected function assignDefaultPage(Request &$request) |
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{ |
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$currentPage = 1; |
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if (!is_array($request->getParams)) { |
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$request->getParams = (array)$request->getParams; |
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} |
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if (isset($request->getParams[$this->keyThreads])) { |
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$currentPage = (int)$request->getParams[$this->keyThreads]; |
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} |
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$request->getParams[$this->keyThreads] = $currentPage + $this->countThreads; |
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} |
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/** |
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* Назначить следующую страницу запросу, используют альтернативную пагинацию. |
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* |
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* @param Request $request |
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* @param Record|null $record |
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*/ |
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protected function assignAlternativePage(Request &$request, Record $record = null) |
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{ |
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$lastId = 0; |
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if ($record && $record->data) { |
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$lastId = (int)$record->data['id']; |
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} |
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if (!is_array($request->getParams)) { |
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$request->getParams = (array)$request->getParams; |
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} |
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$request->getParams[$this->keyAlternativePagination] = $lastId; |
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} |
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/** |
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* Назначить номер потока для запроса. |
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* |
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* @param Request $request |
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* @param int $number |
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*/ |
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public function assignThreadsNumber(Request &$request, $number = 0) |
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{ |
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if ("id-mf" == $this->keyThreads) { |
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$this->assignMfThreadsNumber($request, $number); |
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} else { |
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$this->assignDefaultThreadsNumber($request, $number); |
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} |
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} |
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/** |
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* Назначить по умолчанию номер потока для запроса. |
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* |
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* @param Request $request |
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* @param int $number |
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*/ |
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public function assignDefaultThreadsNumber(Request &$request, $number = 0) |
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{ |
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if (!is_array($request->getParams)) { |
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$request->getParams = (array)$request->getParams; |
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} |
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if (!isset($request->getParams[$this->keyThreads])) { |
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$request->getParams[$this->keyThreads] = 1; |
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} |
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$request->getParams[$this->keyThreads] += $number; |
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} |
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/** |
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* Назначить альтернативный номер потока для запроса. |
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* |
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* @param Request $request |
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* @param int $number |
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*/ |
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public function assignMfThreadsNumber(Request &$request, $number = 0) |
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{ |
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if (!is_array($request->getParams)) { |
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$request->getParams = (array)$request->getParams; |
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} |
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$request->getParams[$this->keyThreads] = "{$this->countThreads},$number"; |
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} |
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/** |
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* Наименование ключа содержащего набора данных сущности. |
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* |
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* @return string |
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*/ |
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public function getCollectionKey() |
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{ |
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return 'items'; |
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} |
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/** |
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* Наименование ключа содержащего мета данные. |
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* |
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* @return string |
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*/ |
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public function getMetaKey() |
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{ |
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return '_meta'; |
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} |
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/** |
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* Палучить набор данных сущности. |
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* |
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* @return Response[] |
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* @throws \Exception |
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*/ |
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public function get() |
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{ |
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return $this->client->batchQuery($this->getRequests()); |
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} |
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/** |
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* Установить запросы к API. |
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* |
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* @param Request[] $requests |
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* @throws \Exception |
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*/ |
267
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30 |
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public function setRequests(array $requests) |
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{ |
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$this->requests = []; |
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foreach ($requests as $request) { |
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if (!$request instanceof Request) { |
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throw new \Exception('Request must be implement "\SimaLand\API\Rest\Request"'); |
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} |
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$this->requests[] = $request; |
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} |
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} |
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/** |
279
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* Получить запросы к API. |
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* |
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* @return array|Rest\Request[] |
282
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*/ |
283
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51 |
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public function getRequests() |
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{ |
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51 |
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if (empty($this->requests)) { |
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$requests = []; |
287
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51 |
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if (!is_null($this->keyThreads) && $this->countThreads > 1) { |
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15 |
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for ($i = 0; $i < $this->countThreads; $i++) { |
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15 |
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$requests[$i] = new Request([ |
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'entity' => $this->getEntity(), |
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'getParams' => $this->_getParams, |
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]); |
293
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$this->assignThreadsNumber($requests[$i], $i); |
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} |
295
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15 |
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} else { |
296
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36 |
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$requests[] = new Request([ |
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'entity' => $this->getEntity(), |
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36 |
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'getParams' => $this->_getParams, |
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]); |
300
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} |
301
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51 |
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$this->requests = $requests; |
302
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51 |
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} |
303
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return $this->requests; |
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} |
305
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306
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/** |
307
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* @inheritdoc |
308
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*/ |
309
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21 |
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public function current() |
310
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{ |
311
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21 |
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return $this->current; |
312
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} |
313
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314
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/** |
315
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* @inheritdoc |
316
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*/ |
317
|
42 |
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public function next() |
318
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{ |
319
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42 |
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if (empty($this->values)) { |
320
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42 |
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$this->getData(); |
321
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24 |
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} |
322
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24 |
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$this->current = array_shift($this->values); |
323
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24 |
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} |
324
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325
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/** |
326
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* @inheritdoc |
327
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*/ |
328
|
15 |
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public function key() |
329
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{ |
330
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15 |
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return $this->key++; |
331
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} |
332
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333
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/** |
334
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* @inheritdoc |
335
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*/ |
336
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21 |
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public function valid() |
337
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{ |
338
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21 |
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return !empty($this->current); |
339
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} |
340
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341
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/** |
342
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* @inheritdoc |
343
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*/ |
344
|
33 |
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public function rewind() |
345
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{ |
346
|
33 |
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$this->values = []; |
347
|
33 |
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$this->current = null; |
348
|
33 |
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$this->key = 0; |
349
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33 |
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$this->next(); |
350
|
21 |
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} |
351
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|
352
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/** |
353
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* Обработка ответов от API. |
354
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* |
355
|
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* @param Response[] $responses |
356
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* @throws ResponseException |
357
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*/ |
358
|
39 |
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private function processingResponses(array $responses) |
359
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{ |
360
|
39 |
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foreach ($responses as $response) { |
361
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39 |
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$statusCode = $response->getStatusCode(); |
362
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39 |
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if (($statusCode < 200 || $statusCode >= 300) && $statusCode != 404) { |
363
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21 |
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throw new ResponseException($response); |
364
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} |
365
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24 |
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} |
366
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24 |
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} |
367
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|
368
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/** |
369
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* Получение ответов от API |
370
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* |
371
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* @return \GuzzleHttp\Psr7\Response[] |
372
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* @throws \Exception |
373
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*/ |
374
|
42 |
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private function getResponses() |
375
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|
|
{ |
376
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42 |
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$i = 0; |
377
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42 |
|
$responses = []; |
378
|
42 |
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$logger = $this->getLogger(); |
379
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do { |
380
|
42 |
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$e = null; |
381
|
42 |
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if ($i > 0) { |
382
|
6 |
|
$logger->info("Wait time {$this->repeatTimeout} second to the next request"); |
383
|
6 |
|
sleep($this->repeatTimeout); |
384
|
6 |
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$attempt = $i + 1; |
385
|
6 |
|
$logger->info("Attempt {$attempt} of {$this->repeatCount}"); |
386
|
6 |
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} |
387
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|
try { |
388
|
42 |
|
$responses = $this->get(); |
389
|
39 |
|
$this->processingResponses($responses); |
390
|
42 |
|
} catch (\Exception $e) { |
391
|
|
|
if ( |
392
|
24 |
|
($e instanceof RequestException) || |
393
|
24 |
|
($e instanceof ResponseException) |
394
|
24 |
|
) { |
395
|
21 |
|
$logger->warning($e->getMessage(), ['code' => $e->getCode()]); |
396
|
21 |
|
} else { |
397
|
3 |
|
throw $e; |
398
|
|
|
} |
399
|
|
|
} |
400
|
39 |
|
$i++; |
401
|
39 |
|
} while ($i <= $this->repeatCount && !is_null($e)); |
402
|
39 |
|
if ($e) { |
403
|
18 |
|
$logger->error($e->getMessage(), ['code' => $e->getCode()]); |
404
|
18 |
|
throw new Exception($e->getMessage(), $e->getCode(), $e); |
405
|
|
|
} |
406
|
24 |
|
return $responses; |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* Получить тело ответа от API. |
411
|
|
|
* |
412
|
|
|
* @param Response $response |
413
|
|
|
* @return bool |
414
|
|
|
*/ |
415
|
24 |
|
private function getBody(Response $response) |
416
|
|
|
{ |
417
|
24 |
|
$body = json_decode($response->getBody(), true); |
418
|
|
|
if ( |
419
|
24 |
|
!$body || |
420
|
24 |
|
($body && !isset($body[$this->getCollectionKey()])) |
421
|
24 |
|
) { |
422
|
18 |
|
return false; |
423
|
|
|
} |
424
|
24 |
|
return $body; |
425
|
|
|
} |
426
|
|
|
|
427
|
|
|
/** |
428
|
|
|
* Получить набор данных от API. |
429
|
|
|
* |
430
|
|
|
* @throws Exception |
431
|
|
|
*/ |
432
|
42 |
|
private function getData() |
433
|
|
|
{ |
434
|
42 |
|
$responses = $this->getResponses(); |
435
|
24 |
|
$collectionKey = $this->getCollectionKey(); |
436
|
24 |
|
$metaKey = $this->getMetaKey(); |
437
|
24 |
|
$requests = $this->getRequests(); |
438
|
24 |
|
$record = null; |
439
|
24 |
|
foreach ($responses as $key => $response) { |
440
|
24 |
|
$body = $this->getBody($response); |
441
|
24 |
|
if (!$body) { |
442
|
18 |
|
unset($requests[$key]); |
443
|
18 |
|
continue; |
444
|
|
|
} |
445
|
24 |
|
foreach ($body[$collectionKey] as $item) { |
446
|
21 |
|
$record = new Record([ |
447
|
21 |
|
'data' => $item, |
448
|
21 |
|
'meta' => isset($body[$metaKey]) ? $body[$metaKey] : null, |
449
|
21 |
|
]); |
450
|
21 |
|
$this->values[] = $record; |
451
|
24 |
|
} |
452
|
24 |
|
if (!is_null($record)) { |
453
|
21 |
|
$this->assignPage($requests[$key], $record); |
454
|
21 |
|
} |
455
|
24 |
|
} |
456
|
24 |
|
$this->setRequests($requests); |
457
|
24 |
|
} |
458
|
|
|
|
459
|
|
|
/** |
460
|
|
|
* Установить GET параметры запроса. |
461
|
|
|
* |
462
|
|
|
* @param array $value |
463
|
|
|
*/ |
464
|
24 |
|
public function setGetParams(array $value) |
465
|
|
|
{ |
466
|
24 |
|
if (!isset($value[$this->keyAlternativePagination]) && $this->useAlternativePagination) { |
467
|
12 |
|
$value[$this->keyAlternativePagination] = 0; |
468
|
12 |
|
} |
469
|
24 |
|
$this->_getParams = $value; |
470
|
24 |
|
} |
471
|
|
|
|
472
|
|
|
/** |
473
|
|
|
* Получить GET параметры запроса. |
474
|
|
|
* |
475
|
|
|
* @return array |
476
|
|
|
*/ |
477
|
18 |
|
public function getGetParams() |
478
|
|
|
{ |
479
|
18 |
|
return $this->_getParams; |
480
|
|
|
} |
481
|
|
|
} |
482
|
|
|
|