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<?php |
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namespace PortlandLabs\Slackbot\Slack\Rtm\Event; |
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use PortlandLabs\Slackbot\Slack\Rtm\Event\Message; |
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use Psr\Container\ContainerInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\LoggerInterface; |
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class Factory |
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{ |
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use LoggerAwareTrait; |
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/** |
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* A map of types this factory can build |
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*/ |
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private const TYPES = [ |
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'hello' => Hello::class, |
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'pong' => Pong::class, |
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'message' => Message\UserMessage::class, |
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]; |
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private const SHORT_MAP = [ |
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'ts' => 'timestamp' |
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]; |
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/** @var ContainerInterface */ |
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protected $container; |
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public function __construct(ContainerInterface $container, LoggerInterface $logger) |
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{ |
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$this->container = $container; |
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$this->setLogger($logger); |
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} |
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/** |
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* Generate a new Event instance based on message data |
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* |
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* @param array $data |
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* |
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* @return Event|null |
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*/ |
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public function buildEvent(array $data) |
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{ |
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// If the type isn't set, this likely isn't an event at all |
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if (!isset($data['type'])) { |
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return null; |
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} |
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// Find the type class |
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$typeKey = $this->getMapKey($data); |
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$typeClass = self::TYPES[$typeKey] ?? null; |
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// If we can't build it, log and return null |
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if (!$typeClass) { |
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$this->logger->debug(sprintf('[<bold>RTM.FTY</bold>] Missing event class for type "%s" "%s"', $typeKey, $typeClass)); |
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return null; |
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} |
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// Build the event |
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$event = $this->container->get($typeClass); |
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unset($data['type'], $data['subtype']); |
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if ($event instanceof Pong) { |
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$event->setData($data); |
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} |
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foreach ($data as $key => $value) { |
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$key = self::SHORT_MAP[$key] ?? $key; |
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$setter = camel_case('set_' . $key); |
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if (!method_exists($event, $setter)) { |
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$this->logger->debug(sprintf('[<bold>RTM.FTY</bold>] Missing event setter for "%s" data "%s"', $typeKey, $key)); |
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continue; |
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} |
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$event->{$setter}($value); |
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} |
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return $event; |
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} |
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/** |
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* Get a key for the type as specified by the data array |
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* |
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* @example input ['type' => 'foo', 'subtype' => 'bar'], output 'foo.bar'. If the subtype were omitted output would just be 'foo' |
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* |
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* @param array $data |
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* |
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* @return string |
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*/ |
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protected function getMapKey(array $data) |
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{ |
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$type = $data['type'] ?? ''; |
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$subtype = $data['subtype'] ?? null; |
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// Return type.subtype or type |
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return $type . ($subtype ? '.' . $subtype : ''); |
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} |
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} |
PortlandLabs /
slackbot
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