add base of the big menu

lib/Service/AppRepository.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace OCA\SideMenu\Service;
+
+use \OC_App;
+
+/**
+ * class AppRepository.
+ *
+ * @author Simon Vieille <simon@deblan.fr>
+ */
+class AppRepository
+{
+    /**
+     * @var OC_App
+     */
+    protected $ocApp;
+
+    /**
+     * @param OC_App $ocApp
+     */
+    public function __construct(OC_App $ocApp)
+    {
+        $this->ocApp = $ocApp;
+    }
+
+    /**
+     * Retrieves visibles apps.
+     *
+     * @return array
+     */
+    public function getVisibleApps()
+    {
+		$navigation = $this->ocApp->getNavigation();
+		$apps = $this->ocApp->listAllApps();
+        $visibleApps = [];
+
+        foreach ($apps as $app) {
+            $id = $app['id'];
+
+            if (isset($navigation[$id])) {
+                $visibleApps[$id] = $app;
+            }
+        }
+
+        return $visibleApps;
+    }
+}