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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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* 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 следующию 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 $record = null) |
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{ |
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$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 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, $number = 0) |
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{ |
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if (!is_array($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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* 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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*/ |
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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[] = $request; |
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} |
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} |
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/** |
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* Получить запросы к API. |
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* |
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* @return array|Rest\Request[] |
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*/ |
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public function getRequests() |
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{ |
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if (empty($this->requests)) { |
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$requests = []; |
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if (!is_null($this->keyThreads) && $this->countThreads > 1) { |
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for ($i = 0; $i < $this->countThreads; $i++) { |
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$requests[$i] = new Request([ |
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'entity' => $this->getEntity(), |
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'getParams' => $this->_getParams, |
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]); |
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$this->assignThreadsNumber($requests[$i], $i); |
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} |
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} else { |
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$requests[] = new Request([ |
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'entity' => $this->getEntity(), |
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'getParams' => $this->_getParams, |
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]); |
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} |
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$this->requests = $requests; |
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} |
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return $this->requests; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function current() |
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{ |
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return $this->current; |
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} |
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/** |
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* @inheritdoc |
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33 |
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*/ |
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public function next() |
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{ |
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if (empty($this->values)) { |
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$this->getData(); |
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} |
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$this->current = array_shift($this->values); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function key() |
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{ |
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return $this->key++; |
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} |
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265
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18 |
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/** |
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* @inheritdoc |
267
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18 |
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*/ |
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public function valid() |
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{ |
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return !empty($this->current); |
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} |
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273
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24 |
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/** |
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* @inheritdoc |
275
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24 |
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*/ |
276
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24 |
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public function rewind() |
277
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24 |
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{ |
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$this->values = []; |
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18 |
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$this->current = null; |
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$this->key = 0; |
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$this->next(); |
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} |
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284
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/** |
285
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* Обработка ответов от API. |
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* |
287
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30 |
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* @param Response[] $responses |
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* @throws ResponseException |
289
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30 |
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*/ |
290
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30 |
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private function processingResponses(array $responses) |
291
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30 |
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{ |
292
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15 |
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foreach ($responses as $response) { |
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$statusCode = $response->getStatusCode(); |
294
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21 |
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if (($statusCode < 200 || $statusCode >= 300) && $statusCode != 404) { |
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throw new ResponseException($response); |
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} |
297
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} |
298
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} |
299
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300
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/** |
301
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* Получение ответов от API |
302
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* |
303
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33 |
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* @return \GuzzleHttp\Psr7\Response[] |
304
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* @throws \Exception |
305
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33 |
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*/ |
306
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33 |
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private function getResponses() |
307
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33 |
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{ |
308
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$i = 0; |
309
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33 |
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$responses = []; |
310
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33 |
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$logger = $this->getLogger(); |
311
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6 |
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do { |
312
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6 |
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$e = null; |
313
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6 |
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if ($i > 0) { |
314
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6 |
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$logger->info("Wait time {$this->repeatTimeout} second to the next request"); |
315
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6 |
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sleep($this->repeatTimeout); |
316
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$attempt = $i + 1; |
317
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33 |
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$logger->info("Attempt {$attempt} of {$this->repeatCount}"); |
318
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30 |
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} |
319
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33 |
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try { |
320
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$responses = $this->get(); |
321
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18 |
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$this->processingResponses($responses); |
322
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18 |
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} catch (\Exception $e) { |
323
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18 |
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if ( |
324
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15 |
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($e instanceof RequestException) || |
325
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15 |
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($e instanceof ResponseException) |
326
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3 |
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) { |
327
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$logger->warning($e->getMessage(), ['code' => $e->getCode()]); |
328
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} else { |
329
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30 |
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throw $e; |
330
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30 |
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} |
331
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30 |
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} |
332
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12 |
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$i++; |
333
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12 |
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} while ($i <= $this->repeatCount && !is_null($e)); |
334
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if ($e) { |
335
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21 |
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$logger->error($e->getMessage(), ['code' => $e->getCode()]); |
336
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throw new Exception($e->getMessage(), $e->getCode(), $e); |
337
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} |
338
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return $responses; |
339
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} |
340
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341
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/** |
342
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* Получить тело ответа от API. |
343
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* |
344
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21 |
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* @param Response $response |
345
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* @return bool |
346
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21 |
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*/ |
347
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private function getBody(Response $response) |
348
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21 |
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{ |
349
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21 |
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$body = json_decode($response->getBody(), true); |
350
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21 |
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if ( |
351
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15 |
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!$body || |
352
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($body && !isset($body[$this->getCollectionKey()])) |
353
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21 |
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) { |
354
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return false; |
355
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} |
356
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return $body; |
357
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} |
358
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|
|
359
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|
/** |
360
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* Получить набор данных от API. |
361
|
33 |
|
* |
362
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* @throws Exception |
363
|
33 |
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*/ |
364
|
21 |
|
private function getData() |
365
|
21 |
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{ |
366
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21 |
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$responses = $this->getResponses(); |
367
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21 |
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$collectionKey = $this->getCollectionKey(); |
368
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21 |
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$metaKey = $this->getMetaKey(); |
369
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21 |
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$requests = $this->getRequests(); |
370
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21 |
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$record = null; |
371
|
15 |
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foreach ($responses as $key => $response) { |
372
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15 |
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$body = $this->getBody($response); |
373
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if (!$body) { |
374
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21 |
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unset($requests[$key]); |
375
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18 |
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continue; |
376
|
18 |
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} |
377
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18 |
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foreach ($body[$collectionKey] as $item) { |
378
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18 |
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$record = new Record([ |
379
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18 |
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'data' => $item, |
380
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21 |
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'meta' => isset($body[$metaKey]) ? $body[$metaKey] : null, |
381
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21 |
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]); |
382
|
18 |
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$this->values[] = $record; |
383
|
18 |
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} |
384
|
21 |
|
if (!is_null($record)) { |
385
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21 |
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$this->assignPage($requests[$key], $record); |
386
|
21 |
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} |
387
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|
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} |
388
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$this->setRequests($requests); |
389
|
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|
} |
390
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|
|
|
391
|
|
|
/** |
392
|
|
|
* Установить GET параметры запроса. |
393
|
|
|
* |
394
|
|
|
* @param array $value |
395
|
|
|
*/ |
396
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|
|
public function setGetParams(array $value) |
397
|
|
|
{ |
398
|
|
|
$this->_getParams = $value; |
399
|
|
|
} |
400
|
|
|
|
401
|
|
|
/** |
402
|
|
|
* Получить GET параметры запроса. |
403
|
|
|
* |
404
|
|
|
* @return array |
405
|
|
|
*/ |
406
|
|
|
public function getGetParams() |
407
|
|
|
{ |
408
|
|
|
return $this->_getParams; |
409
|
|
|
} |
410
|
|
|
} |
411
|
|
|
|