CacheLoadingScreen: Show the git commit dates

Makes it easier to wait

lib/core/file/file_storage.dart

@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+import 'package:flutter/foundation.dart';
+
 import 'package:dart_git/blob_ctime_builder.dart';
 import 'package:dart_git/dart_git.dart';
 import 'package:dart_git/file_mtime_builder.dart';
@@ -13,17 +15,28 @@ import 'package:universal_io/io.dart' as io;
 
 import 'file.dart';
 
-class FileStorage {
+class FileStorage with ChangeNotifier {
   final String repoPath;
   final GitRepository gitRepo;
 
   final BlobCTimeBuilder blobCTimeBuilder;
   final FileMTimeBuilder fileMTimeBuilder;
 
-  MultiTreeEntryVisitor get visitor => MultiTreeEntryVisitor([
+  var _dateTime = DateTime.now();
+  DateTime get dateTime => _dateTime;
+
+  TreeEntryVisitor get visitor {
+    return MultiTreeEntryVisitor(
+      [
         blobCTimeBuilder,
         fileMTimeBuilder,
-      ]);
+      ],
+      afterCommitCallback: (commit) {
+        _dateTime = commit.author.date;
+        notifyListeners();
+      },
+    );
+  }
 
   FileStorage({
     required this.gitRepo,

lib/screens/cache_loading_screen.dart

@@ -7,19 +7,53 @@
 import 'package:flutter/material.dart';
 
 import 'package:easy_localization/easy_localization.dart';
+import 'package:provider/provider.dart';
 
+import 'package:gitjournal/core/file/file_storage.dart';
 import 'package:gitjournal/generated/locale_keys.g.dart';
+import 'package:gitjournal/repository.dart';
 
-class CacheLoadingScreen extends StatefulWidget {
+class CacheLoadingScreen extends StatelessWidget {
   const CacheLoadingScreen({Key? key}) : super(key: key);
 
+  @override
+  Widget build(BuildContext context) {
+    var fileStorage = context.read<GitJournalRepo>().fileStorage;
+    return _CacheLoadingScreen(fileStorage);
+  }
+}
+
+class _CacheLoadingScreen extends StatefulWidget {
+  final FileStorage fileStorage;
+
+  const _CacheLoadingScreen(this.fileStorage, {Key? key}) : super(key: key);
+
   @override
   _CacheLoadingScreenState createState() => _CacheLoadingScreenState();
 }
 
-class _CacheLoadingScreenState extends State<CacheLoadingScreen> {
+class _CacheLoadingScreenState extends State<_CacheLoadingScreen> {
+  @override
+  void initState() {
+    super.initState();
+    widget.fileStorage.addListener(_rebuild);
+  }
+
+  @override
+  void dispose() {
+    widget.fileStorage.removeListener(_rebuild);
+    super.dispose();
+  }
+
+  void _rebuild() {
+    setState(() {});
+  }
+
   @override
   Widget build(BuildContext context) {
+    var date = widget.fileStorage.dateTime;
+    var dateText = date.toIso8601String().substring(0, 10);
+
     var text = LocaleKeys.screens_cacheLoading_text.tr();
     var children = <Widget>[
       Padding(
@@ -30,6 +64,14 @@ class _CacheLoadingScreenState extends State<CacheLoadingScreen> {
           style: Theme.of(context).textTheme.headline4,
         ),
       ),
+      Padding(
+        padding: const EdgeInsets.all(4.0),
+        child: Text(
+          dateText,
+          textAlign: TextAlign.center,
+          style: Theme.of(context).textTheme.subtitle1,
+        ),
+      ),
       const SizedBox(height: 8.0),
       const Padding(
         padding: EdgeInsets.all(8.0),

pubspec.lock

@@ -328,7 +328,7 @@ packages:
     description:
       path: "."
       ref: HEAD
-      resolved-ref: "8eca53caed5629f79405b72ba6083eca72d64693"
+      resolved-ref: "0369ae80dfde703b3a22ade5adf350800d649153"
       url: "https://github.com/GitJournal/dart-git.git"
     source: git
     version: "0.0.2"