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<?php |
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namespace Notimatica\Driver\Providers; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Psr7\Request; |
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use GuzzleHttp\Psr7\Response; |
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use Notimatica\Driver\Contracts\Notification; |
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use Notimatica\Driver\Contracts\Subscriber; |
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use Notimatica\Driver\Driver; |
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use Notimatica\Driver\Events\NotificationFailed; |
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use Notimatica\Driver\Events\NotificationSent; |
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class Chrome extends AbstractProvider |
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{ |
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const NAME = 'chrome'; |
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const DEFAULT_TTL = 2419200; |
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const DEFAULT_TIMEOUT = 30; |
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/** |
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* @var array |
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*/ |
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protected static $headers = [ |
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'Content-Type' => 'application/json', |
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]; |
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/** |
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* Init Browser. |
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* |
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* @param array $config |
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*/ |
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protected static function initBrowser(array $config) |
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{ |
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if (static::$browser) { |
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return; |
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} |
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static::$browser = new Client([ |
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'timeout' => isset($config['timeout']) ? $config['timeout'] : static::DEFAULT_TIMEOUT, |
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]); |
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static::$headers['TTL'] = isset($config['ttl']) ? $config['ttl'] : static::DEFAULT_TTL; |
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static::$headers['Authorization'] = 'key=' . $config['api_key']; |
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} |
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/** |
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* Split endpoints for batch requests. |
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* |
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* @param array $endpoints |
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* @return array |
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*/ |
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protected function batch(array $endpoints) |
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{ |
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return array_chunk($endpoints, (int) $this->config['batch_chunk_size']); |
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} |
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/** |
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* Send notification. |
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* |
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* @param Notification $notification |
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* @param Subscriber[] $subscribers |
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*/ |
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public function send(Notification $notification, array $subscribers) |
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{ |
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static::initBrowser($this->config); |
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$total = count($subscribers); |
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$this->flush( |
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$subscribers, |
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function (Response $response, $index) use ($notification, $total) { |
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try { |
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$response = json_decode($response->getBody()); |
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if (json_last_error() !== JSON_ERROR_NONE) { |
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throw new \Exception(); |
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} |
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if ($response->success > 0) { |
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Driver::emit(new NotificationSent($notification, (int) $response->success)); |
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} |
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if ($response->failure > 0) { |
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Driver::emit(new NotificationFailed($notification, (int) $response->failure)); |
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} |
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} catch (\Exception $e) { |
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Driver::emit(new NotificationFailed($notification, $this->calculateChunkSize($index, $total))); |
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} |
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}, |
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function ($reason, $index) use ($notification, $total) { |
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Driver::emit(new NotificationFailed($notification, $this->calculateChunkSize($index, $total))); |
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} |
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); |
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} |
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/** |
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* Send request. |
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* |
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* @param array $subscribers |
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* @param null $payload |
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* @return \Generator |
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*/ |
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protected function prepareRequests($subscribers, $payload = null) |
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{ |
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$url = $this->config['url']; |
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$headers = static::$headers; |
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foreach ($this->batch($subscribers) as $index => $chunk) { |
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$content = $this->getRequestContent($chunk); |
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$headers['Content-Length'] = strlen($content); |
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yield new Request('POST', $url, $headers, $content); |
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} |
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} |
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/** |
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* Calculate chunk size. |
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* Problem is, we don't know the latter chunk size. |
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* |
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* @param int $index |
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* @param int $total |
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* @return int |
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*/ |
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protected function calculateChunkSize($index, $total) |
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{ |
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$chunkSize = (int) $this->config['batch_chunk_size']; |
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$offset = ($index + 1) * $chunkSize; |
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$chunks = ceil($total / $chunkSize); |
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if ($offset <= $total) { |
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$return = $chunkSize; |
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} elseif ($offset > $total + $chunkSize) { |
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$return = 0; |
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} else { |
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$return = $total - ($chunks - 1) * $chunkSize; |
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} |
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return (int) $return; |
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} |
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/** |
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* Send notification to endpoints. |
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* |
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* @param Subscriber[] $subscribers |
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* @return array |
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*/ |
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protected function getRequestContent(array $subscribers) |
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{ |
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$tokens = []; |
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/** @var Subscriber $subscriber */ |
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foreach ($subscribers as $subscriber) { |
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$tokens[] = $subscriber->getToken(); |
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} |
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return json_encode([ |
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'registration_ids' => $tokens, |
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]); |
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} |
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/** |
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* Generate manifest file text. |
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* |
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* @return string |
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*/ |
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public function manifest() |
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{ |
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return json_encode([ |
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'name' => $this->project->name, |
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'gcm_sender_id' => $this->config['sender_id'], |
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], JSON_PRETTY_PRINT); |
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} |
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} |
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Notimatica /
driver
