From 54e37b3e699c58853ef90376f72e19569910e475 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Sat, 20 Feb 2021 08:58:03 +0100
Subject: [PATCH] Display current build version on startup screen

---
 lib/helpers/version_helper.dart | 16 ++++++++++++++++
 lib/main.dart                   |  4 ++++
 lib/ui/widgets/init_widget.dart |  6 ++++++
 pubspec.lock                    |  2 +-
 pubspec.yaml                    |  3 +++
 5 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 lib/helpers/version_helper.dart

diff --git a/lib/helpers/version_helper.dart b/lib/helpers/version_helper.dart
new file mode 100644
index 0000000..1b84b4f
--- /dev/null
+++ b/lib/helpers/version_helper.dart
@@ -0,0 +1,16 @@
+import 'package:package_info/package_info.dart';
+
+/// Application version helper
+///
+/// @author Pierre Hubert
+
+class VersionHelper {
+  static PackageInfo _info;
+
+  static Future<void> ensureLoaded() async {
+    _info = await PackageInfo.fromPlatform();
+  }
+
+  /// Get current version information
+  static PackageInfo get info => _info;
+}
diff --git a/lib/main.dart b/lib/main.dart
index dd7ba4e..7154a51 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,6 +1,7 @@
 import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/helpers/database/database_helper.dart';
 import 'package:comunic/helpers/preferences_helper.dart';
+import 'package:comunic/helpers/version_helper.dart';
 import 'package:comunic/ui/widgets/init_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
@@ -12,6 +13,9 @@ import 'package:flutter/material.dart';
 void subMain() async {
   WidgetsFlutterBinding.ensureInitialized();
 
+  // Load package information
+  await VersionHelper.ensureLoaded();
+
   // Connect to database
   await DatabaseHelper.open();
   await DatabaseHelper.cleanUpDatabase();
diff --git a/lib/ui/widgets/init_widget.dart b/lib/ui/widgets/init_widget.dart
index b2e92a1..f530e17 100644
--- a/lib/ui/widgets/init_widget.dart
+++ b/lib/ui/widgets/init_widget.dart
@@ -1,6 +1,7 @@
 import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/helpers/events_helper.dart';
 import 'package:comunic/helpers/server_config_helper.dart';
+import 'package:comunic/helpers/version_helper.dart';
 import 'package:comunic/helpers/websocket_helper.dart';
 import 'package:comunic/ui/routes/login_route.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
@@ -123,6 +124,11 @@ class _InitializeWidgetState extends SafeState<InitializeWidget> {
               Spacer(
                 flex: 2,
               ),
+              Text(tr("Version %version% - Build %build%", args: {
+                "version": VersionHelper.info.version.toString(),
+                "build": VersionHelper.info.buildNumber.toString()
+              })),
+              Spacer(flex: 1),
             ],
           ),
         ),
diff --git a/pubspec.lock b/pubspec.lock
index c7ff26f..163079a 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -332,7 +332,7 @@ packages:
     source: hosted
     version: "0.3.0"
   package_info:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: package_info
       url: "https://pub.dartlang.org"
diff --git a/pubspec.yaml b/pubspec.yaml
index b9b7d65..bd216ec 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -85,6 +85,9 @@ dependencies:
   # Pick any kind of file
   file_picker_cross: ^4.2.8
 
+  # Get information about current version
+  package_info: ^0.4.3+4
+
 dev_dependencies:
   flutter_test:
     sdk: flutter