Basic Implementation of RepoManager

This is for multiple-repo setup.

lib/app.dart

@@ -21,6 +21,7 @@ import 'package:gitjournal/app_router.dart';
 import 'package:gitjournal/app_settings.dart';
 import 'package:gitjournal/iap.dart';
 import 'package:gitjournal/repository.dart';
+import 'package:gitjournal/repository_manager.dart';
 import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/themes.dart';
 import 'package:gitjournal/utils/logger.dart';
@@ -48,12 +49,12 @@ class JournalApp extends StatefulWidget {
     final gitBaseDirectory = (await getApplicationDocumentsDirectory()).path;
     final cacheDir = (await getApplicationSupportDirectory()).path;
 
-    var repo = await Repository.load(
+    var repoManager = RepositoryManager(
       gitBaseDir: gitBaseDirectory,
       cacheDir: cacheDir,
       pref: pref,
-      id: DEFAULT_ID,
     );
+    var repo = await repoManager.buildActiveRepository();
 
     Widget app = ChangeNotifierProvider.value(
       value: repo,

lib/repository_manager.dart

@@ -0,0 +1,64 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+
+import 'package:path/path.dart' as p;
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:gitjournal/repository.dart';
+import 'package:gitjournal/settings.dart';
+
+class RepositoryInfo {
+  String id;
+  String folderName;
+  IconData iconData;
+
+  // Add serialization to json / and from
+}
+
+// Make this info a change notifier where the current value is ?
+// -> things required to create the Repo?
+class RepositoryManager with ChangeNotifier {
+  List<String> repoIds;
+  String currentId;
+
+  Repository _repo;
+
+  final String gitBaseDir;
+  final String cacheDir;
+  final SharedPreferences pref;
+
+  RepositoryManager({
+    @required this.gitBaseDir,
+    @required this.cacheDir,
+    @required this.pref,
+  }) {
+    // From the pref load all the RepositoryInfos
+  }
+
+  Future<Repository> buildActiveRepository() async {
+    if (_repo != null) {
+      return _repo;
+    }
+
+    currentId ??= DEFAULT_ID;
+    var repoCacheDir = p.join(cacheDir, currentId);
+    await Directory(repoCacheDir).create(recursive: true);
+
+    _repo = await Repository.load(
+      gitBaseDir: gitBaseDir,
+      cacheDir: repoCacheDir,
+      pref: pref,
+      id: currentId,
+    );
+    return _repo;
+  }
+
+  // call notifyObservers();
+  // --> After that what?
+
+  // addRepo(info) -> id
+  // removeRepo(id)
+  // selectRepo(id)
+  // updateRepo(id, info)
+}