Add experimental history

assets/langs/en.yaml

@@ -382,6 +382,7 @@ drawer:
   folders: Folders
   fs: File System
   graph: Graph View
+  history: History
   tags: Tags
   share: Share App
   rate: Rate Us

lib/app_router.dart

@@ -9,6 +9,7 @@ import 'package:gitjournal/logger/logger.dart';
 import 'package:gitjournal/repository.dart';
 import 'package:gitjournal/screens/folder_listing.dart';
 import 'package:gitjournal/screens/graph_view.dart';
+import 'package:gitjournal/screens/history_screen.dart';
 import 'package:gitjournal/screens/home_screen.dart';
 import 'package:gitjournal/screens/note_editor.dart';
 import 'package:gitjournal/screens/onboarding_screens.dart';
@@ -43,6 +44,7 @@ class AppRoute {
     SetupRemoteGit,
     Purchase,
     PurchaseThank,
+    HistoryScreen.routePath,
   ];
 }
 
@@ -141,6 +143,8 @@ class AppRouter {
         return PurchaseScreen();
       case AppRoute.PurchaseThank:
         return PurchaseThankYouScreen();
+      case HistoryScreen.routePath:
+        return const HistoryScreen();
     }
 
     if (route.startsWith('/newNote/')) {

lib/generated/locale_keys.g.dart

@@ -536,6 +536,7 @@ abstract class LocaleKeys {
   static const drawer_folders = 'drawer.folders';
   static const drawer_fs = 'drawer.fs';
   static const drawer_graph = 'drawer.graph';
+  static const drawer_history = 'drawer.history';
   static const drawer_tags = 'drawer.tags';
   static const drawer_share = 'drawer.share';
   static const drawer_rate = 'drawer.rate';

lib/screens/history_screen.dart

@@ -0,0 +1,82 @@
+import 'package:flutter/material.dart';
+
+import 'package:dart_git/git.dart';
+import 'package:dart_git/plumbing/commit_iterator.dart';
+import 'package:dart_git/plumbing/objects/commit.dart';
+import 'package:provider/provider.dart';
+
+import 'package:gitjournal/repository.dart';
+import 'package:gitjournal/widgets/future_builder_with_progress.dart';
+
+class HistoryScreen extends StatelessWidget {
+  static const String routePath = "/history";
+
+  const HistoryScreen({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(),
+      body: const HistoryWidget(),
+    );
+  }
+}
+
+class HistoryWidget extends StatefulWidget {
+  const HistoryWidget({Key? key}) : super(key: key);
+
+  @override
+  _HistoryWidgetState createState() => _HistoryWidgetState();
+}
+
+class _HistoryWidgetState extends State<HistoryWidget> {
+  List<GitCommit> commits = [];
+  Stream<Result<GitCommit>>? _stream;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  Future<Stream<Result<GitCommit>>> _initStream() async {
+    var gjRepo = Provider.of<GitJournalRepo>(context);
+
+    var repo = await GitRepository.load(gjRepo.gitBaseDirectory).getOrThrow();
+    return commitPreOrderIterator(
+      objStorage: repo.objStorage,
+      from: await repo.headCommit().getOrThrow(),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilderWithProgress(
+      future: () async {
+        _stream = await _initStream();
+
+        return ListView.builder(
+          itemBuilder: (BuildContext context, int i) {
+            return FutureBuilderWithProgress(future: _buildTile(context, i));
+          },
+        );
+      }(),
+    );
+  }
+
+  Future<Widget> _buildTile(BuildContext context, int i) async {
+    var stream = _stream!;
+
+    // Put in a lock!
+    if (i >= commits.length) {
+      for (var j = 0; j < (commits.length - i).abs() + 1; j++) {
+        await for (var commit in stream) {
+          commits.add(commit.getOrThrow());
+          break;
+        }
+      }
+    }
+
+    var commit = commits[i];
+    return Text(commit.message);
+  }
+}

lib/settings/app_settings.dart

@@ -48,6 +48,8 @@ class AppSettings extends ChangeNotifier {
   var experimentalGitMerge = false;
   var experimentalGitOps = false;
 
+  var experimentalHistory = false;
+
   void load(SharedPreferences pref) {
     onBoardingCompleted = pref.getBool("onBoardingCompleted") ?? false;
 

lib/widgets/app_drawer.dart

@@ -188,6 +188,15 @@ class _AppDrawerState extends State<AppDrawer>
               onTap: () => _navTopLevel(context, '/graph'),
               selected: currentRoute == "/graph",
             ),
+          if (appSettings.experimentalHistory)
+            _buildDrawerTile(
+              context,
+              icon: Icons.history,
+              isFontAwesome: true,
+              title: tr(LocaleKeys.drawer_history),
+              onTap: () => _navTopLevel(context, '/history'),
+              selected: currentRoute == "/history",
+            ),
           _buildDrawerTile(
             context,
             icon: FontAwesomeIcons.tag,