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<?php |
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declare(strict_types=1); |
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namespace MartinGeorgiev\SocialPost\SocialNetwork\Facebook; |
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use Facebook\Facebook; |
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use MartinGeorgiev\SocialPost\Message; |
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use MartinGeorgiev\SocialPost\Publisher; |
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use MartinGeorgiev\SocialPost\SocialNetwork\Enum; |
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use MartinGeorgiev\SocialPost\SocialNetwork\Exception\FailureWhenPublishingMessage; |
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use MartinGeorgiev\SocialPost\SocialNetwork\Exception\MessageNotIntendedForPublisher; |
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/** |
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* Provider for publishing on a Facebook page. Uses Facebook PHP SDK v5. |
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* @see https://developers.facebook.com/docs/php/Facebook/5.0.0 |
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* |
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* @license https://opensource.org/licenses/MIT |
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* @link https://github.com/martin-georgiev/social-post |
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*/ |
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class SDK5 implements Publisher |
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{ |
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/** |
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* @var Facebook |
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*/ |
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private $facebook; |
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/** |
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* @var string |
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*/ |
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private $pageId; |
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/** |
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* @param Facebook $facebook Ready to use instance of the Facebook PHP SDK |
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* @param string $pageId Identifier of the page, on which the status update will be published |
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*/ |
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public function __construct(Facebook $facebook, string $pageId) |
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{ |
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$this->facebook = $facebook; |
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$this->pageId = $pageId; |
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} |
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public function canPublish(Message $message): bool |
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{ |
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$canPublish = !empty(array_intersect($message->getNetworksToPublishOn(), [Enum::ANY, Enum::FACEBOOK])); |
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return $canPublish; |
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} |
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public function publish(Message $message): bool |
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{ |
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if (!$this->canPublish($message)) { |
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throw new MessageNotIntendedForPublisher(Enum::FACEBOOK); |
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} |
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try { |
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$publishPostEndpoint = '/'.$this->pageId.'/feed'; |
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$response = $this->facebook->post( |
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$publishPostEndpoint, |
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$this->prepareParams($message) |
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); |
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$post = $response->getGraphNode(); |
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return isset($post['id']) ? !empty($post['id']) : false; |
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} catch (\Exception $e) { |
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throw new FailureWhenPublishingMessage($e); |
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} |
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} |
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private function prepareParams(Message $message): array |
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{ |
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$params = []; |
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$params['message'] = $message->getMessage(); |
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if (filter_var($message->getLink(), FILTER_VALIDATE_URL) !== false) { |
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$params['link'] = $message->getLink(); |
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} |
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if (filter_var($message->getPictureLink(), FILTER_VALIDATE_URL) !== false) { |
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$params['picture'] = $message->getPictureLink(); |
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} |
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if (!empty($message->getCaption())) { |
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$params['caption'] = $message->getCaption(); |
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} |
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if (!empty($message->getDescription())) { |
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$params['description'] = $message->getDescription(); |
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} |
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return $params; |
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} |
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} |
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martin-georgiev /
social-post
