From a4642d17e0e1ea018b128efdcc3db281461458b1 Mon Sep 17 00:00:00 2001
From: Frédéric Guillot <fred@kanboard.net>
Date: Wed, 4 Apr 2018 15:21:13 -0700
Subject: Move custom libs to the source tree

---
 libs/SimpleQueue/Adapter/AmqpQueueAdapter.php      | 138 +++++++++++++++++++++
 libs/SimpleQueue/Adapter/BeanstalkQueueAdapter.php | 120 ++++++++++++++++++
 .../Exception/NotSupportedException.php            |  14 +++
 libs/SimpleQueue/Job.php                           |  98 +++++++++++++++
 libs/SimpleQueue/Queue.php                         |  92 ++++++++++++++
 libs/SimpleQueue/QueueAdapterInterface.php         |  58 +++++++++
 6 files changed, 520 insertions(+)
 create mode 100644 libs/SimpleQueue/Adapter/AmqpQueueAdapter.php
 create mode 100644 libs/SimpleQueue/Adapter/BeanstalkQueueAdapter.php
 create mode 100644 libs/SimpleQueue/Exception/NotSupportedException.php
 create mode 100644 libs/SimpleQueue/Job.php
 create mode 100644 libs/SimpleQueue/Queue.php
 create mode 100644 libs/SimpleQueue/QueueAdapterInterface.php

(limited to 'libs/SimpleQueue')

diff --git a/libs/SimpleQueue/Adapter/AmqpQueueAdapter.php b/libs/SimpleQueue/Adapter/AmqpQueueAdapter.php
new file mode 100644
index 00000000..379dd9b8
--- /dev/null
+++ b/libs/SimpleQueue/Adapter/AmqpQueueAdapter.php
@@ -0,0 +1,138 @@
+<?php
+
+namespace SimpleQueue\Adapter;
+
+use DateTime;
+use PhpAmqpLib\Channel\AMQPChannel;
+use PhpAmqpLib\Message\AMQPMessage;
+use PhpAmqpLib\Wire\AMQPTable;
+use SimpleQueue\Job;
+use SimpleQueue\QueueAdapterInterface;
+
+/**
+ * Class AmqpQueueAdapter
+ *
+ * @package SimpleQueue\Adapter
+ */
+class AmqpQueueAdapter implements QueueAdapterInterface
+{
+    /**
+     * @var AMQPChannel
+     */
+    protected $channel;
+
+    /**
+     * @var string
+     */
+    protected $exchange = '';
+
+    /**
+     * @var string
+     */
+    protected $queue = '';
+
+    /**
+     * AmqpQueueAdapter constructor.
+     *
+     * @param AMQPChannel $channel
+     * @param string      $queue
+     * @param string      $exchange
+     */
+    public function __construct(AMQPChannel $channel, $queue, $exchange)
+    {
+        $this->channel = $channel;
+        $this->exchange = $exchange;
+        $this->queue = $queue;
+    }
+
+    /**
+     * Send a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function push(Job $job)
+    {
+        $message = new AMQPMessage($job->serialize(), array('content_type' => 'text/plain'));
+        $this->channel->basic_publish($message, $this->exchange);
+        return $this;
+    }
+
+    /**
+     * Schedule a job in the future
+     *
+     * @access public
+     * @param  Job      $job
+     * @param  DateTime $dateTime
+     * @return $this
+     */
+    public function schedule(Job $job, DateTime $dateTime)
+    {
+        $now = new DateTime();
+        $when = clone($dateTime);
+        $delay = $when->getTimestamp() - $now->getTimestamp();
+
+        $message = new AMQPMessage($job->serialize(), array('delivery_mode' => 2));
+        $message->set('application_headers', new AMQPTable(array('x-delay' => $delay)));
+
+        $this->channel->basic_publish($message, $this->exchange);
+        return $this;
+    }
+
+    /**
+     * Wait and get job from a queue
+     *
+     * @access public
+     * @return Job|null
+     */
+    public function pull()
+    {
+        $message = null;
+
+        $this->channel->basic_consume($this->queue, 'test', false, false, false, false, function ($msg) use (&$message) {
+            $message = $msg;
+            $message->delivery_info['channel']->basic_cancel($message->delivery_info['consumer_tag']);
+        });
+
+        while (count($this->channel->callbacks)) {
+            $this->channel->wait();
+        }
+
+        if ($message === null) {
+            return null;
+        }
+
+        $job = new Job();
+        $job->setId($message->get('delivery_tag'));
+        $job->unserialize($message->getBody());
+
+        return $job;
+    }
+
+    /**
+     * Acknowledge a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function completed(Job $job)
+    {
+        $this->channel->basic_ack($job->getId());
+        return $this;
+    }
+
+    /**
+     * Mark a job as failed
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function failed(Job $job)
+    {
+        $this->channel->basic_nack($job->getId());
+        return $this;
+    }
+}
diff --git a/libs/SimpleQueue/Adapter/BeanstalkQueueAdapter.php b/libs/SimpleQueue/Adapter/BeanstalkQueueAdapter.php
new file mode 100644
index 00000000..407f60e2
--- /dev/null
+++ b/libs/SimpleQueue/Adapter/BeanstalkQueueAdapter.php
@@ -0,0 +1,120 @@
+<?php
+
+namespace SimpleQueue\Adapter;
+
+use DateTime;
+use Pheanstalk\Job as BeanstalkJob;
+use Pheanstalk\Pheanstalk;
+use Pheanstalk\PheanstalkInterface;
+use SimpleQueue\Job;
+use SimpleQueue\QueueAdapterInterface;
+
+/**
+ * Class BeanstalkQueueAdapter
+ *
+ * @package SimpleQueue\Adapter
+ */
+class BeanstalkQueueAdapter implements QueueAdapterInterface
+{
+    /**
+     * @var PheanstalkInterface
+     */
+    protected $beanstalk;
+
+    /**
+     * @var string
+     */
+    protected $queueName = '';
+
+    /**
+     * BeanstalkQueueAdapter constructor.
+     *
+     * @param PheanstalkInterface $beanstalk
+     * @param string              $queueName
+     */
+    public function __construct(PheanstalkInterface $beanstalk, $queueName)
+    {
+        $this->beanstalk = $beanstalk;
+        $this->queueName = $queueName;
+    }
+
+    /**
+     * Send a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function push(Job $job)
+    {
+        $this->beanstalk->putInTube($this->queueName, $job->serialize());
+        return $this;
+    }
+
+    /**
+     * Schedule a job in the future
+     *
+     * @access public
+     * @param  Job      $job
+     * @param  DateTime $dateTime
+     * @return $this
+     */
+    public function schedule(Job $job, DateTime $dateTime)
+    {
+        $now = new DateTime();
+        $when = clone($dateTime);
+        $delay = $when->getTimestamp() - $now->getTimestamp();
+        
+        $this->beanstalk->putInTube($this->queueName, $job->serialize(), Pheanstalk::DEFAULT_PRIORITY, $delay);
+        return $this;
+    }
+
+    /**
+     * Wait and get job from a queue
+     *
+     * @access public
+     * @return Job|null
+     */
+    public function pull()
+    {
+        $beanstalkJob = $this->beanstalk->reserveFromTube($this->queueName);
+
+        if ($beanstalkJob === false) {
+            return null;
+        }
+
+        $job = new Job();
+        $job->setId($beanstalkJob->getId());
+        $job->unserialize($beanstalkJob->getData());
+
+        return $job;
+    }
+
+    /**
+     * Acknowledge a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function completed(Job $job)
+    {
+        $beanstalkJob = new BeanstalkJob($job->getId(), $job->serialize());
+        $this->beanstalk->delete($beanstalkJob);
+        return $this;
+    }
+
+    /**
+     * Mark a job as failed
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function failed(Job $job)
+    {
+        $beanstalkJob = new BeanstalkJob($job->getId(), $job->serialize());
+        $this->beanstalk->bury($beanstalkJob);
+        return $this;
+    }
+}
diff --git a/libs/SimpleQueue/Exception/NotSupportedException.php b/libs/SimpleQueue/Exception/NotSupportedException.php
new file mode 100644
index 00000000..36106659
--- /dev/null
+++ b/libs/SimpleQueue/Exception/NotSupportedException.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace SimpleQueue\Exception;
+
+use Exception;
+
+/**
+ * Class NotSupportedException
+ *
+ * @package SimpleQueue\Exception
+ */
+class NotSupportedException extends Exception
+{
+}
diff --git a/libs/SimpleQueue/Job.php b/libs/SimpleQueue/Job.php
new file mode 100644
index 00000000..799bbba8
--- /dev/null
+++ b/libs/SimpleQueue/Job.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace SimpleQueue;
+
+/**
+ * Class Job
+ *
+ * @package SimpleQueue
+ */
+class Job
+{
+    protected $id;
+    protected $body;
+
+    /**
+     * Job constructor.
+     *
+     * @param null $body
+     * @param null $id
+     */
+    public function __construct($body = null, $id = null)
+    {
+        $this->body = $body;
+        $this->id = $id;
+    }
+
+    /**
+     * Unserialize a payload
+     *
+     * @param  string $payload
+     * @return $this
+     */
+    public function unserialize($payload)
+    {
+        $this->body = json_decode($payload, true);
+        return $this;
+    }
+
+    /**
+     * Serialize the body
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        return json_encode($this->body);
+    }
+
+    /**
+     * Set body
+     *
+     * @param mixed $body
+     * @return Job
+     */
+    public function setBody($body)
+    {
+        $this->body = $body;
+        return $this;
+    }
+
+    /**
+     * Get body
+     *
+     * @return mixed
+     */
+    public function getBody()
+    {
+        return $this->body;
+    }
+
+    /**
+     * Set job ID
+     *
+     * @param mixed $jobId
+     * @return Job
+     */
+    public function setId($jobId)
+    {
+        $this->id = $jobId;
+        return $this;
+    }
+
+    /**
+     * Get job ID
+     * @return mixed
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Execute job
+     */
+    public function execute()
+    {
+    }
+}
diff --git a/libs/SimpleQueue/Queue.php b/libs/SimpleQueue/Queue.php
new file mode 100644
index 00000000..a88b55cb
--- /dev/null
+++ b/libs/SimpleQueue/Queue.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace SimpleQueue;
+
+use DateTime;
+
+/**
+ * Class Queue
+ *
+ * @package SimpleQueue
+ */
+class Queue implements QueueAdapterInterface
+{
+    /**
+     * @var QueueAdapterInterface
+     */
+    protected $queueAdapter;
+
+    /**
+     * Queue constructor.
+     *
+     * @param QueueAdapterInterface $queueAdapter
+     */
+    public function __construct(QueueAdapterInterface $queueAdapter)
+    {
+        $this->queueAdapter = $queueAdapter;
+    }
+
+    /**
+     * Send a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function push(Job $job)
+    {
+        $this->queueAdapter->push($job);
+        return $this;
+    }
+
+    /**
+     * Schedule a job in the future
+     *
+     * @access public
+     * @param  Job      $job
+     * @param  DateTime $dateTime
+     * @return $this
+     */
+    public function schedule(Job $job, DateTime $dateTime)
+    {
+        $this->queueAdapter->schedule($job, $dateTime);
+        return $this;
+    }
+
+    /**
+     * Wait and get job from a queue
+     *
+     * @access public
+     * @return Job|null
+     */
+    public function pull()
+    {
+        return $this->queueAdapter->pull();
+    }
+
+    /**
+     * Acknowledge a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function completed(Job $job)
+    {
+        $this->queueAdapter->completed($job);
+        return $this;
+    }
+
+    /**
+     * Mark a job as failed
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function failed(Job $job)
+    {
+        $this->queueAdapter->failed($job);
+        return $this;
+    }
+}
diff --git a/libs/SimpleQueue/QueueAdapterInterface.php b/libs/SimpleQueue/QueueAdapterInterface.php
new file mode 100644
index 00000000..9bda3070
--- /dev/null
+++ b/libs/SimpleQueue/QueueAdapterInterface.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace SimpleQueue;
+
+use DateTime;
+
+/**
+ * Interface AdapterInterface
+ *
+ * @package SimpleQueue\Adapter
+ */
+interface QueueAdapterInterface
+{
+    /**
+     * Send a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function push(Job $job);
+
+    /**
+     * Schedule a job in the future
+     *
+     * @access public
+     * @param  Job      $job
+     * @param  DateTime $dateTime
+     * @return $this
+     */
+    public function schedule(Job $job, DateTime $dateTime);
+
+    /**
+     * Wait and get job from a queue
+     *
+     * @access public
+     * @return Job|null
+     */
+    public function pull();
+
+    /**
+     * Acknowledge a job
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function completed(Job $job);
+
+    /**
+     * Mark a job as failed
+     *
+     * @access public
+     * @param  Job $job
+     * @return $this
+     */
+    public function failed(Job $job);
+}
-- 
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