- Adds Queue router

- Updates logic for Queue and Supervisor
- #227

lib/Router/Queue.php

@@ -0,0 +1,51 @@
+<?php
+namespace MailPoet\Router;
+
+use MailPoet\Queue\Supervisor;
+
+if(!defined('ABSPATH')) exit;
+
+class Queue {
+  function start() {
+    $supervisor = new Supervisor();
+    wp_send_json(
+      array(
+        'result' => ($supervisor->checkQueue($forceStart = true)) ?
+          true :
+          false
+      )
+    );
+  }
+
+  function pause() {
+    wp_send_json(
+      array(
+        'result' => ($this->updateQueueStatus('paused') ?
+          true :
+          false
+        )
+      )
+    );
+  }
+
+  function stop() {
+    wp_send_json(
+      array(
+        'result' => ($this->updateQueueStatus('stopped') ?
+          true :
+          false
+        )
+      )
+    );
+  }
+
+  private function updateQueueStatus($status) {
+    $queue = new \MailPoet\Queue\Queue();
+    if(!$queue->queue || $queue->queueData['status'] !== 'started') {
+      return false;
+    }
+    $queue->queueData['status'] = $status;
+    $queue->queue->value = serialize($queue->queueData);
+    return $queue->queue->save();
+  }
+}