From 0e63d45599ac5123bf46d190831c145a733a4a98 Mon Sep 17 00:00:00 2001
From: Linus Rath <139418639+rathlinus@users.noreply.github.com>
Date: Sat, 29 Aug 2026 18:30:08 +0200
Subject: [PATCH] feat: expose a mobile sidebar-apps selector for the drawer

---
 src/lib/sidebar-apps.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/lib/sidebar-apps.ts

diff --git a/src/lib/sidebar-apps.ts b/src/lib/sidebar-apps.ts
new file mode 100644
index 00000000..f3e76e3e
--- /dev/null
+++ b/src/lib/sidebar-apps.ts
@@ -0,0 +1,23 @@
+import { Linking } from 'react-native';
+import { useSettingsStore, type SidebarApp } from '../stores/settings-store';
+
+/**
+ * Sidebar apps the user marked "show on mobile". The drawer (SidebarDrawer)
+ * is expected to render these below the folder list; the settings pane only
+ * edits them. Mirrors the webmail's navigation-rail filter on `showOnMobile`.
+ */
+export function useMobileSidebarApps(): SidebarApp[] {
+  return useSettingsStore((s) => s.sidebarApps.filter((app) => app.showOnMobile));
+}
+
+/**
+ * Open a sidebar app. Inline (iframe) apps have no native equivalent yet, so
+ * both open modes hand the URL to the system browser.
+ */
+export async function openSidebarApp(app: SidebarApp): Promise<void> {
+  try {
+    await Linking.openURL(app.url);
+  } catch {
+    // unsupported scheme - nothing to do
+  }
+}