Introduce new menu classes and navigation templates

models/AdminMenu.php

@@ -0,0 +1,58 @@
+<?php
+/*****************************************************************************
+ * AdminMenu.php
+ * Contains the admin navigation logic.
+ *
+ * Global Data Lab code (C) Radboud University Nijmegen
+ * Programming (C) Aaron van Geffen, 2015-2022
+ *****************************************************************************/
+
+class AdminMenu extends Menu
+{
+	public function __construct()
+	{
+		$user = Registry::has('user') ? Registry::get('user') : new Guest();
+		if (!$user->isAdmin())
+			return;
+
+		$this->items[] = [
+			'label' => 'Admin',
+			'icon' => 'gear',
+			'subs' => [
+				[
+					'uri' => '/managealbums/',
+					'label' => 'Albums',
+				],
+				[
+					'uri' => '/manageassets/',
+					'label' => 'Assets',
+				],
+				[
+					'uri' => '/managetags/',
+					'label' => 'Tags',
+				],
+				[
+					'uri' => '/manageusers/',
+					'label' => 'Users',
+				],
+				[
+					'uri' => '/manageerrors/',
+					'label' => 'Errors',
+					'badge' => ErrorLog::getCount(),
+				],
+			],
+		];
+
+		foreach ($this->items as $i => $item)
+		{
+			if (isset($item['uri']))
+				$this->items[$i]['url'] = BASEURL . $item['uri'];
+
+			if (!isset($item['subs']))
+				continue;
+
+			foreach ($item['subs'] as $j => $subitem)
+				$this->items[$i]['subs'][$j]['url'] = BASEURL . $subitem['uri'];
+		}
+	}
+}