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<?php |
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namespace Lifeboat\Resource; |
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use Lifeboat\Connector; |
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use Lifeboat\Exceptions\OAuthException; |
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use Lifeboat\Services\ObjectFactory; |
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use IteratorAggregate; |
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use Generator; |
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/** |
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* Class ResourceList |
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* @package Lifeboat\Resource |
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* |
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* @property string $_url |
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* @property array $_items |
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*/ |
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class ListResource extends ApiResource implements IteratorAggregate { |
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const PAGE_LENGTH = 20; |
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const PAGE_PARAM = 'page'; |
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const LIMIT_PARAM = 'limit'; |
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private $_url = ''; |
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private $_items = []; |
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private $_max_items = 0; |
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public function __construct(Connector $connector, string $url) |
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{ |
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$this->setClient($connector); |
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$this->setURL($url); |
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} |
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/** |
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* @param string $url |
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* @return $this |
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*/ |
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public function setURL(string $url): ListResource |
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{ |
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$this->_url = $url; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getURL(): string |
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{ |
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return $this->_url; |
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} |
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/** |
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* @param int $page |
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* @return array |
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* @throws OAuthException |
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*/ |
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public function getItems(int $page = 1): array |
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{ |
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if (!array_key_exists($page, $this->_items)) { |
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$response = $this->getClient()->curl_api($this->getURL(), 'GET', [ |
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self::PAGE_PARAM => $page, |
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self::LIMIT_PARAM => self::PAGE_LENGTH |
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]); |
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$data = ($response->isValid() && $response->isJSON()) ? $response->getJSON() : []; |
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$this->_max_items = $data['available_items']; |
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foreach ($data['items'] as $item) { |
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$obj = ObjectFactory::make($this->getClient(), $item); |
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if (!$obj) continue; |
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$this->_items[$page][] = $obj; |
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} |
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} |
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return $this->_items[$page]; |
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} |
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/** |
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* @param mixed $offset |
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* @return ObjectResource|null |
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* @throws OAuthException |
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*/ |
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public function offsetGet($offset): ?ObjectResource |
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{ |
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return $this->getItems()[$offset] ?? null; |
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} |
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/** |
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* @param mixed $offset |
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* @param mixed $value |
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* @throws OAuthException |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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$this->getItems()[$offset] = $value; |
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} |
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/** |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return $this->_max_items; |
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} |
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/** |
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* @param mixed $offset |
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* @return bool |
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* @throws OAuthException |
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*/ |
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public function offsetExists($offset): bool |
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{ |
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return array_key_exists($offset, $this->getItems()); |
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} |
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/** |
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* @param mixed $offset |
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* @throws OAuthException |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->getItems()[$offset]); |
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} |
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/** |
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* @return Generator |
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*/ |
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public function getIterator(): Generator |
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{ |
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return (function () { |
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$i = 0; |
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$x = 0; |
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$m = $this->count(); |
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while ($i < $m) { |
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if ($x === 0) { |
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$x = self::PAGE_LENGTH; |
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$t = $this->getItems(ceil($i / self::PAGE_LENGTH)); |
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} |
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yield $i => $t[self::PAGE_LENGTH - $x]; |
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143
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$x -= 1; |
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} |
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})(); |
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} |
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} |
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lifeboat-app /
php-sdk
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