Loader for Helper-Classes from Plugin

app/Core/Plugin/Base.php

@@ -40,6 +40,17 @@ abstract class Base extends \Kanboard\Core\Base
         return array();
     }
 
+    /**
+     * Returns all helper classes that needs to be stored in the DI container
+     *
+     * @access public
+     * @return array
+     */
+    public function getHelpers()
+    {
+        return array();
+    }
+
     /**
      * Listen on internal events
      *

app/Core/Plugin/Loader.php

@@ -70,6 +70,8 @@ class Loader extends \Kanboard\Core\Base
 
         Tool::buildDic($this->container, $instance->getClasses());
 
+        Tool::buildDICHelpers($this->container, $instance->getHelpers());
+
         $instance->initialize();
         $this->plugins[] = $instance;
     }