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<?php |
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/** |
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* @link https://dukt.net/facebook/ |
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* @copyright Copyright (c) Dukt |
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* @license https://github.com/dukt/facebook/blob/master/LICENSE.md |
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*/ |
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namespace dukt\facebook\services; |
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use Craft; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\RequestException; |
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use yii\base\Component; |
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use dukt\facebook\Plugin as Facebook; |
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/** |
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* Class Api service |
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* |
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* @author Dukt <[email protected]> |
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* @since 2.0 |
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*/ |
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class Api extends Component |
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{ |
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// Properties |
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// ========================================================================= |
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/** |
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* @var string |
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*/ |
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private $baseApiUrl = 'https://graph.facebook.com/'; |
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// Public Methods |
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// ========================================================================= |
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/** |
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* Performs an authenticated GET request on Facebook’s API |
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* |
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* @param null $uri |
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* @param null $query |
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* @param null $headers |
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* |
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* @return mixed |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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*/ |
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public function get($uri = null, $query = null, $headers = null) |
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{ |
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$options = []; |
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try { |
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$client = $this->getClient(); |
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$options['query'] = ($query ?: []); |
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if ($headers) { |
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$options['headers'] = $headers; |
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} |
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$response = $client->request('GET', $uri, $options); |
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return json_decode($response->getBody(), true); |
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} catch (RequestException $requestException) { |
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Craft::error('Error requesting Facebook’s API: '.$requestException->getResponse()->getBody(), __METHOD__); |
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throw $requestException; |
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} |
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} |
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/** |
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* @param $facebookInsightsObjectId |
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* @param array $options |
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* |
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* @return mixed |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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*/ |
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public function getInsights($facebookInsightsObjectId, array $options = []) |
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{ |
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try { |
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$pageAccessTokenResponse = $this->get('/'.$facebookInsightsObjectId, ['fields' => 'access_token']); |
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if(empty($pageAccessTokenResponse['access_token'])) { |
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throw new \Exception('Couldn’t retrieve page access token for '.$facebookInsightsObjectId); |
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} |
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$client = $this->getClient($pageAccessTokenResponse['access_token']); |
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$response = $client->request('GET', '/'.$facebookInsightsObjectId.'/insights', $options); |
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return json_decode($response->getBody(), true); |
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} catch (RequestException $requestException) { |
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Craft::error('Error requesting insights: '.$requestException->getResponse()->getBody(), __METHOD__); |
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throw $requestException; |
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} |
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} |
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// Private Methods |
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// ========================================================================= |
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/** |
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* Returns the Facebook API URL. |
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* |
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* @return string |
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*/ |
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private function getApiUrl() |
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{ |
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$apiVersion = Facebook::$plugin->getSettings()->apiVersion; |
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return $this->baseApiUrl.$apiVersion.'/'; |
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} |
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/** |
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* Return the authenticated Facebook OAuth client. |
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* |
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* @param null $accessToken |
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* |
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* @return Client |
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*/ |
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private function getClient($accessToken = null): Client |
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{ |
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if(!$accessToken) { |
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$token = Facebook::$plugin->getOauth()->getToken(); |
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$accessToken = $token->getToken(); |
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} |
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$headers = []; |
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if ($accessToken) { |
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$headers['Authorization'] = 'Bearer '.$accessToken; |
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} |
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$options = [ |
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'base_uri' => $this->getApiUrl(), |
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'headers' => $headers |
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]; |
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return new Client($options); |
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} |
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} |
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dukt /
facebook
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