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<?php |
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/** |
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* Created by PhpStorm. |
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* User: dp |
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* Date: 26.07.17 |
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* Time: 11:56 |
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*/ |
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namespace Lan\Ebs\Sdk\Classes; |
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use ArrayObject; |
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use Exception; |
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use Lan\Ebs\Sdk\Client; |
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use Lan\Ebs\Sdk\Common; |
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use ReflectionClass; |
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abstract class Collection extends ArrayObject implements Common |
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{ |
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private $client; |
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private $loadStatus = 0; |
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private $fields = []; |
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private $class = null; |
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private $limit = null; |
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private $offset = null; |
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/** |
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* Collection constructor. |
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* |
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* @param Client $client |
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* @param array $fields |
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* @param string $class |
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* @param int $limit |
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* @param int $offset |
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* @throws Exception |
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*/ |
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public function __construct(Client $client, array $fields, $class, $limit, $offset) |
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{ |
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if (!$client) { |
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throw new Exception('Client not defined'); |
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} |
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if (!is_array($fields)) { |
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throw new Exception('Fields for model of collection mast be array'); |
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} |
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$reflectionClass = new ReflectionClass($class); |
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if (!$reflectionClass->isSubclassOf(Model::class)) { |
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throw new Exception('Class of model collection not subclass for Model'); |
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} |
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$this->client = $client; |
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$this->fields = $fields; |
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$this->class = $class; |
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$this->setLimit($limit); |
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$this->setOffset($offset); |
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} |
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/** |
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* @param int $limit |
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* @throws Exception |
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*/ |
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public function setLimit($limit) |
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{ |
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$this->limit = $limit; |
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if ($this->loadStatus == 200) { |
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$this->load(true); |
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} |
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} |
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/** |
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* @param bool $force |
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* @return $this |
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* @throws Exception |
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*/ |
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public function load($force = false) |
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{ |
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if ($this->loadStatus == 200 && !$force) { |
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return $this; |
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} |
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$params = [ |
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'limit' => $this->limit, |
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'offset' => $this->offset |
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]; |
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if (!empty($this->fields)) { |
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$params['fields'] = implode(',', (array)$this->fields); |
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} |
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$response = $this->client->getResponse($this->getUrl(__FUNCTION__), $params); |
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$this->exchangeArray($response['data']); |
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$this->loadStatus = $response['status']; |
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unset($response); |
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return $this; |
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} |
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/** |
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* @param int $offset |
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* @throws Exception |
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*/ |
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public function setOffset($offset) |
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{ |
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$this->offset = $offset; |
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if ($this->loadStatus == 200) { |
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$this->load(true); |
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} |
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} |
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public function getIterator() |
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{ |
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return new CollectionIterator($this); |
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} |
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/** |
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* @return int |
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* @throws Exception |
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*/ |
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public function count() |
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{ |
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$this->load(); |
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return parent::count(); |
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} |
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/** |
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* @return array |
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* @throws Exception |
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*/ |
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public function getData() |
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{ |
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$this->load(); |
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return $this->getArrayCopy(); |
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} |
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/** |
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* @return Model |
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* @throws Exception |
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*/ |
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1 |
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public function reset() |
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{ |
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1 |
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$this->load(); |
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return $this->createModel(reset($this)); |
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} |
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/** |
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* @param array $data |
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* @return Model |
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* @throws Exception |
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*/ |
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public function createModel(array $data = null) |
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{ |
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$class = $this->class; |
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/** |
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* @var Model $model |
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*/ |
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$model = new $class($this->client, $this->fields); |
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$model->set($data === null ? current($this) : $data); |
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return $model; |
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} |
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/** |
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* @return Model |
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* @throws Exception |
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*/ |
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public function end() |
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{ |
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$this->load(); |
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return $this->createModel(end($this)); |
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} |
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} |
spb-lan /
ebs-sdk
