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<?php |
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/** |
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* Service.php |
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* |
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* @package Adapters |
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* @author Michael Pratt <[email protected]> |
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* @link http://www.michael-pratt.com/ |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Embera\Adapters; |
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/** |
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* This is an abstract class and all Service/Providers should extend it. |
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*/ |
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abstract class Service |
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{ |
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/** |
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* @var mixed Instance of \Embera\Url |
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* (Marking this as mixed instead of object because scrutinizer complains about type check on preg_match) |
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*/ |
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protected $url; |
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/** @var object Instance of \Embera\Oembed */ |
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protected $oembed = null; |
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/** @var array Associative array with config/parameters to be sent to the oembed provider */ |
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protected $config = array(); |
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/** @var array Array with all the errors */ |
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protected $errors = array(); |
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/** @var string The api url for the current service */ |
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protected $apiUrl = null; |
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/** |
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* Validates that the url belongs to this service. |
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* Should be implemented on all children and should |
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* return a boolean (preg_match returns 0 or 1 that |
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* is why I'm also allowing 'int' as a return type). |
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* |
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* The current url is made available via $this->url |
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* |
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* @return bool|int |
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*/ |
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abstract protected function validateUrl(); |
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/** |
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* Construct |
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* |
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* @param string $url |
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* @param array $config |
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* @param object $oembed |
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* @return void |
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* |
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* @throws InvalidArgumentException when the given url doesnt match the current service |
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*/ |
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public function __construct($url, array $config = array(), \Embera\Oembed $oembed) |
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{ |
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$this->url = new \Embera\Url($url); |
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$this->normalizeUrl(); |
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if (!$this->validateUrl()) { |
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throw new \InvalidArgumentException('Url ' . $this->url . ' seems to be invalid for the ' . get_class($this) . ' service'); |
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} |
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$this->config = array_replace_recursive(array( |
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'params' => array( |
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'maxwidth' => 0, |
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'maxheight' => 0, |
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) |
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), $config); |
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$this->oembed = $oembed; |
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} |
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/** |
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* Gets the information from an Oembed provider |
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* when this fails, it tries to provide a fakeResponse. |
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* Returns an associative array with a (common) Oembed response. |
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* |
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* @return array |
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*/ |
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public function getInfo() |
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{ |
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try { |
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if ($res = $this->oembed->getResourceInfo($this->config['oembed'], $this->apiUrl, (string) $this->url, $this->config['params'])) { |
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return $this->modifyResponse($res); |
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} |
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} catch (\Exception $e) { |
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$this->errors[] = $e->getMessage(); |
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} |
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/** |
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* Use fakeResponses when the oembed setting is null or false |
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* If the oembed config is true, the user strictly wants real responses |
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*/ |
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if (!$this->config['oembed'] && $response = $this->fakeResponse()) { |
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$fakeResponse = new \Embera\FakeResponse($this->config, $response); |
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return $this->modifyResponse($fakeResponse->buildResponse()); |
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} |
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return array(); |
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} |
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/** |
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* Appends custom parameters for the oembed request |
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* |
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* @param array $params |
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* @return void |
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*/ |
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public function appendParams(array $params = array()) |
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{ |
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$this->config['params'] = array_merge($this->config['params'], $params); |
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} |
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/** |
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* Returns the url |
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* |
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* @return string |
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*/ |
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public function getUrl() |
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{ |
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return (string) $this->url; |
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} |
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/** |
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* Returns an array with all the parameters for the oembed request |
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* |
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* @return array |
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*/ |
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public function getParams() |
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{ |
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return $this->config['params']; |
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} |
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/** |
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* Returns an array with found errors |
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* |
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* @return array |
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*/ |
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public function getErrors() |
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{ |
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return $this->errors; |
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} |
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/** |
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* This method fakes a Oembed response. |
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* |
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* It should be overwritten by the service |
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* itself if the service is capable to determine |
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* an html embed code based on the url or by other methods. |
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* |
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* @return array with data that the oembed response should have |
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* @codeCoverageIgnore |
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*/ |
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public function fakeResponse() |
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{ |
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return array(); |
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} |
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/** |
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* Normalizes a url. |
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* This method should be overwritten by the |
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* service itself, if needed. |
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* |
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* Use the $this->url property to do the job |
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* |
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* @return void |
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*/ |
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protected function normalizeUrl() {} |
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/** |
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* Gives the ability to modify the response/fake-response array |
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* from an oembed provider. |
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* |
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* It should be overwritten by the service when needed |
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* |
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* @param array $response |
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* @return array |
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*/ |
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protected function modifyResponse(array $response = array()) |
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{ |
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return $response; |
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} |
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} |
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?> |
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Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.