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<?php |
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namespace NotificationChannels\Facebook; |
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use Exception; |
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use GuzzleHttp\Client as HttpClient; |
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use Psr\Http\Message\ResponseInterface; |
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use GuzzleHttp\Exception\ClientException; |
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use GuzzleHttp\Exception\GuzzleException; |
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use NotificationChannels\Facebook\Exceptions\CouldNotSendNotification; |
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/** |
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* Class Facebook |
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*/ |
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class Facebook |
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{ |
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/** @var HttpClient HTTP Client */ |
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protected $http; |
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/** @var string|null Page Token. */ |
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protected $token; |
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/** @var string Default Graph API Version */ |
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protected $graphApiVersion = '4.0'; |
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/** |
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* @param string|null $token |
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* @param HttpClient|null $httpClient |
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*/ |
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public function __construct(string $token = null, HttpClient $httpClient = null) |
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{ |
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$this->token = $token; |
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$this->http = $httpClient; |
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} |
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/** |
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* Set Default Graph API Version. |
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* |
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* @param $graphApiVersion |
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* |
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* @return Facebook |
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*/ |
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public function setGraphApiVersion($graphApiVersion): Facebook |
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{ |
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$this->graphApiVersion = $graphApiVersion; |
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return $this; |
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} |
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/** |
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* Get HttpClient. |
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* |
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* @return HttpClient |
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*/ |
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protected function httpClient(): HttpClient |
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{ |
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return $this->http ?? new HttpClient(); |
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} |
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/** |
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* Send text message. |
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* |
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* @param array $params |
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* |
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* @throws GuzzleException |
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* @throws CouldNotSendNotification |
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* @return ResponseInterface |
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*/ |
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public function send(array $params): ResponseInterface |
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{ |
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return $this->post('me/messages', $params); |
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} |
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/** |
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* @param string $endpoint |
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* @param array $params |
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* |
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* @throws GuzzleException |
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* @throws CouldNotSendNotification |
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* @return ResponseInterface |
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*/ |
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public function get(string $endpoint, array $params = []): ResponseInterface |
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{ |
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return $this->api($endpoint, ['query' => $params]); |
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} |
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/** |
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* @param string $endpoint |
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* @param array $params |
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* |
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* @throws GuzzleException |
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* @throws CouldNotSendNotification |
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* @return ResponseInterface |
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*/ |
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public function post(string $endpoint, array $params = []): ResponseInterface |
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{ |
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return $this->api($endpoint, ['json' => $params], 'POST'); |
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} |
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/** |
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* Send an API request and return response. |
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* |
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* @param string $endpoint |
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* @param array $options |
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* @param string $method |
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* |
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* @throws GuzzleException |
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* @throws CouldNotSendNotification |
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* @return mixed|ResponseInterface |
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*/ |
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protected function api(string $endpoint, array $options, $method = 'GET') |
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{ |
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if (empty($this->token)) { |
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throw CouldNotSendNotification::facebookPageTokenNotProvided('You must provide your Facebook Page token to make any API requests.'); |
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} |
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$url = "https://graph.facebook.com/v{$this->graphApiVersion}/{$endpoint}?access_token={$this->token}"; |
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try { |
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return $this->httpClient()->request($method, $url, $options); |
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} catch (ClientException $exception) { |
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throw CouldNotSendNotification::facebookRespondedWithAnError($exception); |
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} catch (Exception $exception) { |
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throw CouldNotSendNotification::couldNotCommunicateWithFacebook($exception); |
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} |
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} |
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} |
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laravel-notification-channels /
facebook
