Move dashboard pagination into separate classes

app/Pagination/UserPagination.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Kanboard\Pagination;
+
+use Kanboard\Core\Base;
+use Kanboard\Core\Paginator;
+use Kanboard\Model\UserModel;
+
+/**
+ * Class UserPagination
+ *
+ * @package Kanboard\Pagination
+ * @author  Frederic Guillot
+ */
+class UserPagination extends Base
+{
+    /**
+     * Get user listing paginator
+     *
+     * @access public
+     * @return Paginator
+     */
+    public function getListingPaginator()
+    {
+        return $this->paginator
+            ->setUrl('UserListController', 'show')
+            ->setMax(30)
+            ->setOrder(UserModel::TABLE.'.username')
+            ->setQuery($this->userModel->getQuery())
+            ->calculate();
+    }
+}