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<?php |
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namespace DominionEnterprises\Psr\Log; |
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use Chadicus\Psr\Log\LevelValidatorTrait; |
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use Chadicus\Psr\Log\MessageValidatorTrait; |
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use Chadicus\Psr\Log\MessageInterpolationTrait; |
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use GuzzleHttp\ClientInterface; |
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use Psr\Log\AbstractLogger; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\LogLevel; |
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/** |
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* PSR-3 Logger implementation writing to a slack web hook. |
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*/ |
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final class SlackLogger extends AbstractLogger implements LoggerInterface |
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{ |
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use LevelValidatorTrait; |
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use MessageValidatorTrait; |
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use MessageInterpolationTrait; |
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/** |
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* Guzzle HTTP client. |
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* |
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* @var ClientInterface |
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*/ |
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private $client; |
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/** |
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* Slack web hook url |
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* |
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* @var string |
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*/ |
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private $webHookUrl; |
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/** |
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* Array of log levels which should be reported to Slack. |
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* |
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* @var string[] |
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*/ |
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private $observedLevels; |
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/** |
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* Create a new instance of SlackLogger. |
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* |
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* @param ClientInterface $client Guzzle HTTP client. |
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* @param string $webHookUrl Slack web hook url. |
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* @param array $observedLevels Array of log levels which should be reported to Slack. |
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*/ |
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public function __construct( |
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ClientInterface $client, |
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string $webHookUrl, |
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array $observedLevels = [LogLevel::EMERGENCY] |
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) { |
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$this->client = $client; |
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$this->webHookUrl = $webHookUrl; |
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array_walk($observedLevels, [$this, 'validateLevel']); |
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$this->observedLevels = $observedLevels; |
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} |
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/** |
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* Logs with an arbitrary level. |
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* |
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* @param string $level A valid RFC 5424 log level. |
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* @param string $message The base log message. |
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* @param array $context Any extraneous information that does not fit well in a string. |
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* |
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* @return void |
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*/ |
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public function log($level, $message, array $context = [])//@codingStandardsIgnoreLine Interface does not define type-hints |
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{ |
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if (!in_array($level, $this->observedLevels)) { |
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return; |
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} |
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$this->validateLevel($level); |
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$this->validateMessage($message); |
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$exception = $this->getExceptionStringFromContext($context); |
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unset($context['exception']); |
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$payload = json_encode( |
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['text' => "*[{$level}]* {$this->interpolateMessage($message, $context)}{$exception}", 'mrkdwn' => true] |
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); |
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$this->client->post($this->webHookUrl, ['body' => ['payload' => $payload]]); |
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} |
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private function getExceptionStringFromContext(array $context) : string |
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{ |
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$exception = $context['exception'] ?? null; |
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if (!is_a($exception, '\\Throwable')) { |
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return ''; |
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} |
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return sprintf( |
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"\n*Exception:* %s\n*Message:* %s\n*File:* %s\n*Line:* %d", |
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get_class($context['exception']), |
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$context['exception']->getMessage(), |
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$context['exception']->getFile(), |
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$context['exception']->getLine() |
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); |
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} |
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} |
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dominionenterprises /
psr-log-slack
