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<?php |
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/** |
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* This class is used by the CPE Core ActivityPoller |
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* AND can be also used by the Custom Activities |
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* |
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* Use it to send updates to the Clients. |
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**/ |
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namespace SA\CpeSdk\Sqs; |
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// Amazon libraries |
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use Aws\Common\Aws; |
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use Aws\Sqs; |
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// SA Cpe SDK |
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use SA\CpeSdk; |
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class CpeSqsWriter |
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{ |
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private $debug; |
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private $sqs; |
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// Exceptions |
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const INVALID_JSON = "INVALID_JSON"; |
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// Statuses |
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const WORKFLOW_SCHEDULED = "WORKFLOW_SCHEDULED"; |
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const JOB_STARTED = "JOB_STARTED"; |
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const JOB_COMPLETED = "JOB_COMPLETED"; |
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const JOB_FAILED = "JOB_FAILED"; |
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const ACTIVITY_STARTED = "ACTIVITY_STARTED"; |
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const ACTIVITY_FAILED = "ACTIVITY_FAILED"; |
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const ACTIVITY_TIMEOUT = "ACTIVITY_TIMEOUT"; |
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const ACTIVITY_COMPLETED = "ACTIVITY_COMPLETED"; |
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const ACTIVITY_PROGRESS = "ACTIVITY_PROGRESS"; |
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const ACTIVITY_PREPARING = "ACTIVITY_PREPARING"; |
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const ACTIVITY_FINISHING = "ACTIVITY_FINISHING"; |
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public function __construct($debug) |
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{ |
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$this->debug = $debug; |
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// Create AWS SDK instance |
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$aws = Aws::factory(array( |
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'region' => getenv("AWS_DEFAULT_REGION") |
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)); |
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$this->sqs = $aws->get('Sqs'); |
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} |
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/** |
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* SEND messages to OUTPUT SQS queue |
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* |
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* Send messages to back to the clients. |
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* Clients listening to the SQS queue will receive them |
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* Send updates and notifications: |
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* Activity Started, Failed, Succeeded, etc |
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*/ |
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public function workflow_scheduled($workflowType, $runId, $workflowId, $message) |
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{ |
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$msg = [ |
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'time' => microtime(true), |
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'type' => self::WORKFLOW_SCHEDULED, |
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"jobId" => $message->{"jobId"}, |
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"runId" => $runId, |
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"workflowId" => $workflowId, |
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"workflowType" => $workflowType, |
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"input" => $message->{'data'} |
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]; |
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$client = $message->{'data'}->{"client"}; |
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$this->sqs->sendMessage(array( |
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'QueueUrl' => $client->{'queues'}->{'output'}, |
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'MessageBody' => json_encode($msg), |
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)); |
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} |
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public function activity_started($task) |
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{ |
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// last param to 'true' to force sending 'input' info back to client |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_STARTED, |
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true |
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); |
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} |
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public function activity_completed($task, $result = null) |
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{ |
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// Last param append extra data to the message to send back to the client. In this case the result data. |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_COMPLETED, |
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false, |
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$result |
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); |
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} |
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public function activity_failed($task, $reason, $details) |
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{ |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_FAILED, |
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false, |
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[ |
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"reason" => $reason, |
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"details" => $details |
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] |
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); |
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} |
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public function activity_timeout($task) |
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{ |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_TIMEOUT, |
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true |
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); |
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} |
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public function activity_canceled($task) |
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{ |
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// FIXME: To implement |
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} |
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public function activity_progress($task, $progress) |
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{ |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_PROGRESS, |
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false, |
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$progress |
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); |
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} |
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public function activity_preparing($task) |
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{ |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_PREPARING |
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); |
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} |
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public function activity_finishing($task) |
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{ |
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$this->send_activity_msg( |
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$task, |
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self::ACTIVITY_FINISHING |
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); |
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} |
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/** |
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* UTILS |
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*/ |
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// Craft a new message array |
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private function craft_new_msg($type, $data) |
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{ |
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$msg = array( |
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'time' => microtime(true), |
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'type' => $type, |
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'data' => $data |
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); |
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return $msg; |
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} |
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// Send a message to SQS output queue |
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private function send_activity_msg( |
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$activityTask, |
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$eventType, |
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$sendInput = null, |
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$result = null) |
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{ |
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if (!($input = json_decode($activityTask->get('input')))) |
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throw new CpeException("Task input JSON is invalid!\n".$activityTask->get('input'), |
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INVALID_JSON); |
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$activity = [ |
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'activityId' => $activityTask->get('activityId'), |
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'activityType' => $activityTask->get('activityType') |
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]; |
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// Want to send back the input data ? |
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if ($sendInput) |
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$activity['input'] = $input; |
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// Extra data? Concat to data array. |
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if ($result) |
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$activity['result'] = $result; |
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// Initial data structure |
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$data = array( |
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'workflow' => $activityTask->get('workflowExecution'), |
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'activity' => $activity |
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); |
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$msg = $this->craft_new_msg( |
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$eventType, |
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$data |
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); |
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// Send message to SQS output queue. |
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$client = $input->{"client"}; |
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$this->sqs->sendMessage(array( |
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'QueueUrl' => $client->{'queues'}->{'output'}, |
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'MessageBody' => json_encode($msg), |
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)); |
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} |
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} |
sportarchive /
CloudProcessingEngine-SDK
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.