Move dashboard pagination into separate classes

app/Pagination/SubtaskPagination.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Kanboard\Pagination;
+
+use Kanboard\Core\Base;
+use Kanboard\Core\Paginator;
+use Kanboard\Model\SubtaskModel;
+use Kanboard\Model\TaskModel;
+
+/**
+ * Class SubtaskPagination
+ *
+ * @package Kanboard\Pagination
+ * @author  Frederic Guillot
+ */
+class SubtaskPagination extends Base
+{
+    /**
+     * Get dashboard pagination
+     *
+     * @access public
+     * @param  integer $user_id
+     * @param  string  $method
+     * @param  integer $max
+     * @return Paginator
+     */
+    public function getDashboardPaginator($user_id, $method, $max)
+    {
+        return $this->paginator
+            ->setUrl('DashboardController', $method, array('pagination' => 'subtasks', 'user_id' => $user_id))
+            ->setMax($max)
+            ->setOrder(TaskModel::TABLE.'.id')
+            ->setQuery($this->subtaskModel->getUserQuery($user_id, array(SubtaskModel::STATUS_TODO, SubtaskModel::STATUS_INPROGRESS)))
+            ->calculateOnlyIf($this->request->getStringParam('pagination') === 'subtasks');
+    }
+}