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<?php |
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namespace Scriptotek\Alma\Model; |
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use Scriptotek\Alma\Client; |
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/** |
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* The LazyResourceList extends the LazyResource class with functionality for |
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* working with lists of resources, such as holdings, items, loans, etc. |
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*/ |
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abstract class LazyResourceList extends LazyResource implements \Countable |
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{ |
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/* @var array */ |
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protected $resources = []; |
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/** |
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* The key in the response object that points to the resource list. |
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* |
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* @var string |
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*/ |
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protected $responseKey; |
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/** |
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* LazyResourceList constructor. |
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* |
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* @param Client $client |
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* @param string $responseKey |
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*/ |
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public function __construct(Client $client, $responseKey) |
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{ |
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parent::__construct($client); |
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$this->responseKey = $responseKey; |
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} |
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/** |
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* Convert a data element to a resource object. |
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* |
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* @param $data |
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* @return mixed |
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*/ |
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abstract protected function convertToResource($data); |
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/** |
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* Called when data is available to be processed. |
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* |
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* @param mixed $data |
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*/ |
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public function onData($data) |
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{ |
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$this->resources = ($data->total_record_count === 0) ? [] : array_map( |
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function (\stdClass $res) { |
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return $this->convertToResource($res); |
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}, |
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$data->{$this->responseKey} |
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); |
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} |
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/** |
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* Check if we have the full representation of our data object. |
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* |
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* @param \stdClass $data |
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* @return boolean |
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*/ |
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protected function isInitialized($data) |
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{ |
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return isset($data->total_record_count); |
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} |
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/** |
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* Get all the resources. |
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* |
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* @return array |
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*/ |
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public function all() |
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{ |
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return $this->init()->resources; |
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} |
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/** |
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* Number of resources. |
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* |
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* @link http://php.net/manual/en/countable.count.php |
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* |
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* @return int The number of resources as an integer. |
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*/ |
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public function count() |
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{ |
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return count($this->all()); |
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} |
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} |
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scriptotek /
php-alma-client
