Improve background workers

app/Core/Http/Client.php

@@ -3,6 +3,7 @@
 namespace Kanboard\Core\Http;
 
 use Kanboard\Core\Base;
+use Kanboard\Job\HttpAsyncJob;
 
 /**
  * HTTP client
@@ -79,6 +80,24 @@ class Client extends Base
         );
     }
 
+    /**
+     * Send a POST HTTP request encoded in JSON (Fire and forget)
+     *
+     * @access public
+     * @param  string     $url
+     * @param  array      $data
+     * @param  string[]   $headers
+     */
+    public function postJsonAsync($url, array $data, array $headers = array())
+    {
+        $this->queueManager->push(HttpAsyncJob::getInstance($this->container)->withParams(
+            'POST',
+            $url,
+            json_encode($data),
+            array_merge(array('Content-type: application/json'), $headers)
+        ));
+    }
+
     /**
      * Send a POST HTTP request encoded in www-form-urlencoded
      *
@@ -98,22 +117,41 @@ class Client extends Base
         );
     }
 
+    /**
+     * Send a POST HTTP request encoded in www-form-urlencoded (fire and forget)
+     *
+     * @access public
+     * @param  string     $url
+     * @param  array      $data
+     * @param  string[]   $headers
+     */
+    public function postFormAsync($url, array $data, array $headers = array())
+    {
+        $this->queueManager->push(HttpAsyncJob::getInstance($this->container)->withParams(
+            'POST',
+            $url,
+            http_build_query($data),
+            array_merge(array('Content-type: application/x-www-form-urlencoded'), $headers)
+        ));
+    }
+
     /**
      * Make the HTTP request
      *
-     * @access private
+     * @access public
      * @param  string     $method
      * @param  string     $url
      * @param  string     $content
      * @param  string[]   $headers
      * @return string
      */
-    private function doRequest($method, $url, $content, array $headers)
+    public function doRequest($method, $url, $content, array $headers)
     {
         if (empty($url)) {
             return '';
         }
 
+        $startTime = microtime(true);
         $stream = @fopen(trim($url), 'r', false, stream_context_create($this->getContext($method, $content, $headers)));
         $response = '';
 
@@ -128,6 +166,7 @@ class Client extends Base
             $this->logger->debug('HttpClient: payload='.$content);
             $this->logger->debug('HttpClient: metadata='.var_export(@stream_get_meta_data($stream), true));
             $this->logger->debug('HttpClient: response='.$response);
+            $this->logger->debug('HttpClient: executionTime='.(microtime(true) - $startTime));
         }
 
         return $response;

app/Core/Queue/JobHandler.php

@@ -26,6 +26,7 @@ class JobHandler extends Base
         return new Job(array(
             'class' => get_class($job),
             'params' => $job->getJobParams(),
+            'user_id' => $this->userSession->getId(),
         ));
     }
 
@@ -39,12 +40,30 @@ class JobHandler extends Base
     {
         $payload = $job->getBody();
         $className = $payload['class'];
+        $this->prepareJobSession($payload['user_id']);
 
         if (DEBUG) {
-            $this->logger->debug(__METHOD__.' Received job => '.$className);
+            $this->logger->debug(__METHOD__.' Received job => '.$className.' ('.getmypid().')');
         }
 
         $worker = new $className($this->container);
         call_user_func_array(array($worker, 'execute'), $payload['params']);
     }
+
+    /**
+     * Create the session for the job
+     *
+     * @access protected
+     * @param integer $user_id
+     */
+    protected function prepareJobSession($user_id)
+    {
+        $session = array();
+        $this->sessionStorage->setStorage($session);
+
+        if ($user_id > 0) {
+            $user = $this->userModel->getById($user_id);
+            $this->userSession->initialize($user);
+        }
+    }
 }

app/Job/HttpAsyncJob.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Kanboard\Job;
+
+/**
+ * Async HTTP Client (fire and forget)
+ *
+ * @package Kanboard\Job
+ * @author  Frederic Guillot
+ */
+class HttpAsyncJob extends BaseJob
+{
+    /**
+     * Set job parameters
+     *
+     * @access public
+     * @param string $method
+     * @param string $url
+     * @param string $content
+     * @param array  $headers
+     * @return $this
+     */
+    public function withParams($method, $url, $content, array $headers)
+    {
+        $this->jobParams = array($method, $url, $content, $headers);
+        return $this;
+    }
+
+    /**
+     * Set job parameters
+     *
+     * @access public
+     * @param string $method
+     * @param string $url
+     * @param string $content
+     * @param array  $headers
+     * @return $this
+     */
+    public function execute($method, $url, $content, array $headers)
+    {
+        $this->httpClient->doRequest($method, $url, $content, $headers);
+    }
+}