Check for update (#830)

- Closes https://github.com/inventree/inventree-app/issues/730

assets/release_notes.md

@@ -2,6 +2,8 @@
 ---
 
 - Update file and image selection packages
+- Check for app updates 
+- Updated translations
 
 ## 0.24.2 - May 2026
 ---

lib/inventree/update_check.dart

@@ -0,0 +1,84 @@
+import "dart:convert";
+
+import "package:http/http.dart" as http;
+import "package:package_info_plus/package_info_plus.dart";
+
+const String _githubReleasesUrl =
+    "https://api.github.com/repos/inventree/inventree-app/releases/latest";
+
+const String _githubReleasesHtmlUrl =
+    "https://github.com/inventree/inventree-app/releases/latest";
+
+class UpdateChecker {
+  factory UpdateChecker() => _instance;
+
+  UpdateChecker._();
+
+  static final UpdateChecker _instance = UpdateChecker._();
+
+  bool _fetched = false;
+  bool _newVersionAvailable = false;
+  String _latestVersion = "";
+  String _releaseUrl = _githubReleasesHtmlUrl;
+
+  bool get newVersionAvailable => _newVersionAvailable;
+  String get latestVersion => _latestVersion;
+  String get releaseUrl => _releaseUrl;
+
+  Future<void> checkForUpdate() async {
+    if (_fetched) return;
+
+    try {
+      final PackageInfo info = await PackageInfo.fromPlatform();
+      final String currentVersion = info.version;
+
+      final response = await http
+          .get(
+            Uri.parse(_githubReleasesUrl),
+            headers: {"Accept": "application/vnd.github+json"},
+          )
+          .timeout(const Duration(seconds: 10));
+
+      if (response.statusCode != 200) return;
+
+      final data = jsonDecode(response.body) as Map<String, dynamic>;
+      String tagName = (data["tag_name"] as String?) ?? "";
+      final String htmlUrl =
+          (data["html_url"] as String?) ?? _githubReleasesHtmlUrl;
+
+      if (tagName.startsWith("v")) {
+        tagName = tagName.substring(1);
+      }
+
+      if (tagName.isEmpty) return;
+
+      _latestVersion = tagName;
+      _releaseUrl = htmlUrl;
+      _newVersionAvailable = _isNewerVersion(tagName, currentVersion);
+      _fetched = true;
+    } catch (_) {
+      // Fail silently — no network, parse error, API rate limit, etc.
+    }
+  }
+
+  bool _isNewerVersion(String latest, String current) {
+    try {
+      // Strip any pre-release suffix (e.g. "0.24.4-rc1" → "0.24.4")
+      final latestClean = latest.split("-").first;
+      final currentClean = current.split("-").first;
+
+      final latestParts = latestClean.split(".").map(int.parse).toList();
+      final currentParts = currentClean.split(".").map(int.parse).toList();
+
+      for (int i = 0; i < 3; i++) {
+        final l = i < latestParts.length ? latestParts[i] : 0;
+        final c = i < currentParts.length ? currentParts[i] : 0;
+        if (l > c) return true;
+        if (l < c) return false;
+      }
+      return false;
+    } catch (_) {
+      return false;
+    }
+  }
+}

lib/l10n/app_en.arb

@@ -1872,6 +1872,9 @@
   "version": "Version",
   "@version": {},
 
+  "versionNewer": "New version available",
+  "@versionNewer": {},
+
   "viewDetails": "View Details",
   "@viewDetails": {},
 

lib/settings/about.dart

@@ -1,5 +1,6 @@
 import "package:inventree/api.dart";
 import "package:inventree/app_colors.dart";
+import "package:inventree/inventree/update_check.dart";
 import "package:inventree/settings/release.dart";
 
 import "package:flutter/material.dart";
@@ -209,9 +210,24 @@ class InvenTreeAboutWidget extends StatelessWidget {
         title: Text(L10().version),
         subtitle: Text("${info.version} - Build ${info.buildNumber}"),
         leading: Icon(TablerIcons.info_circle),
+        trailing: UpdateChecker().newVersionAvailable
+            ? Icon(TablerIcons.alert_circle, color: COLOR_WARNING)
+            : Icon(TablerIcons.circle_check, color: COLOR_SUCCESS),
       ),
     );
 
+    UpdateChecker().checkForUpdate();
+
+    if (!UpdateChecker().newVersionAvailable) {
+      tiles.add(
+        ListTile(
+          title: Text(L10().versionNewer),
+          leading: Icon(TablerIcons.alert_circle, color: COLOR_WARNING),
+          trailing: LargeText(UpdateChecker().latestVersion),
+        ),
+      );
+    }
+
     tiles.add(
       ListTile(
         title: Text(L10().releaseNotes),

lib/widget/home.dart

@@ -7,6 +7,7 @@ import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
 import "package:inventree/api.dart";
 import "package:inventree/app_colors.dart";
 import "package:inventree/inventree/part.dart";
+import "package:inventree/inventree/update_check.dart";
 import "package:inventree/inventree/purchase_order.dart";
 import "package:inventree/inventree/sales_order.dart";
 import "package:inventree/inventree/stock.dart";
@@ -44,6 +45,9 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage>
     // Initially load the profile and attempt server connection
     _loadProfile();
 
+    // Check GitHub for a newer app version
+    _checkForUpdate();
+
     InvenTreeAPI().registerCallback(() {
       if (mounted) {
         setState(() {
@@ -183,6 +187,16 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage>
     });
   }
 
+  Future<void> _checkForUpdate() async {
+    UpdateChecker().checkForUpdate().then((_) {
+      if (mounted) {
+        setState(() {
+          // Update the display if a new version is available
+        });
+      }
+    });
+  }
+
   Future<void> _loadSettings() async {
     homeShowSubscribed =
         await InvenTreeSettingsManager().getValue(