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<?php |
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namespace TheAentMachine; |
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use Symfony\Component\Process\Process; |
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class Hermes |
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{ |
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/** |
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* @param string $event |
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* @param null|string $payload |
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* @return string[] The array of replies received from all Aents that replied. |
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*/ |
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public static function dispatch(string $event, ?string $payload = null): array |
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{ |
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$replyAggregator = new ReplyAggregator(); |
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$replyAggregator->clear(); |
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$command = ['hermes', 'dispatch', $event]; |
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if (!empty($payload)) { |
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$command[] = $payload; |
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} |
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$process = new Process($command); |
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$process->enableOutput(); |
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$process->setTty(true); |
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$process->mustRun(); |
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return $replyAggregator->getReplies(); |
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} |
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/** |
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* @param mixed[]|object $payload |
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* @return mixed[] |
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*/ |
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public static function dispatchJson(string $event, $payload): array |
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{ |
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if (\is_object($payload) && !$payload instanceof \JsonSerializable) { |
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throw new \RuntimeException('Payload object should implement JsonSerializable. Got an instance of '.\get_class($payload)); |
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} |
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$replies = self::dispatch($event, \GuzzleHttp\json_encode($payload)); |
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return \array_map(function (string $reply) { |
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return \GuzzleHttp\json_decode($reply, true); |
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}, $replies); |
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} |
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public static function reply(string $event, ?string $payload = null): void |
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{ |
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$command = ['hermes', 'reply', $event]; |
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if (!empty($payload)) { |
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$command[] = $payload; |
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} |
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$process = new Process($command); |
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$process->enableOutput(); |
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$process->setTty(true); |
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$process->mustRun(); |
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} |
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/** |
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* @param mixed[] $payload |
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*/ |
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public static function replyJson(string $event, array $payload): void |
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{ |
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self::reply($event, \GuzzleHttp\json_encode($payload)); |
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} |
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/** |
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* @param string[] $images |
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* @throws \Symfony\Component\Process\Exception\ProcessFailedException |
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*/ |
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public static function setDependencies(array $images): void |
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{ |
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$command = ['hermes', 'set:dependencies']; |
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foreach ($images as $image) { |
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$command[] = $image; |
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} |
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$process = new Process($command); |
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$process->enableOutput(); |
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$process->setTty(true); |
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$process->mustRun(); |
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} |
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/** |
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* @param string[] $events |
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* @throws \Symfony\Component\Process\Exception\ProcessFailedException |
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*/ |
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public static function setHandledEvents(array $events): void |
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{ |
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if (self::aentExists(getenv(Pheromone::getWhoAmI()))){ |
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$command = ['hermes', 'set:handled-events']; |
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foreach ($events as $event) { |
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$command[] = $event; |
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} |
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$process = new Process($command); |
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$process->enableOutput(); |
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$process->setTty(true); |
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$process->mustRun(); |
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} |
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} |
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/** |
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* @param string $handledEvent |
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* @return string[] |
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*/ |
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public static function findAentsByHandledEvent(string $handledEvent): array |
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{ |
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$manifest = Pheromone::getAenthillManifestContent(); |
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$aents = array(); |
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if (isset($manifest['aents'])) { |
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foreach ($manifest['aents'] as $aent) { |
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if (array_key_exists('handled_events', $aent) && \in_array($handledEvent, $aent['handled_events'], true)) { |
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$aents[] = $aent; |
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} |
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} |
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} |
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return $aents; |
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} |
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/** |
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* @param string $imageName |
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* @return bool |
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*/ |
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public static function aentExists(string $imageName): bool |
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{ |
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$manifest = Pheromone::getAenthillManifestContent(); |
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return isset($manifest['aents']) && \in_array($imageName, $manifest['aents'], true); |
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} |
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/** |
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* Returns true if one of the aents installed can explicitly handle events of type $handledEvent |
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* |
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* @param string $handledEvent |
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* @return bool |
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*/ |
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public static function canHandleEvent(string $handledEvent): bool |
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{ |
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return count(self::findAentsByHandledEvent($handledEvent)) > 0; |
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} |
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} |
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theaentmachine /
aent-console
