Hookup the Repository Manager to the AppDrawer

This makes multi repo support somewhat work. We still have some problems
with the old state not being clearer which I cannot seem to figure out.

lib/app.dart

@@ -64,9 +64,12 @@ class JournalApp extends StatefulWidget {
           child: Consumer<GitJournalRepo>(
             builder: (_, repo, __) => ChangeNotifierProvider<Settings>.value(
               value: repo.settings,
-              child: ChangeNotifierProvider<NotesFolderFS>.value(
-                child: JournalApp(),
-                value: repo.notesFolder,
+              child: Consumer<GitJournalRepo>(
+                builder: (_, repo, __) =>
+                    ChangeNotifierProvider<NotesFolderFS>.value(
+                  value: repo.notesFolder,
+                  child: JournalApp(),
+                ),
               ),
             ),
           ),

lib/repository_manager.dart

@@ -7,33 +7,13 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 import 'package:gitjournal/repository.dart';
 import 'package:gitjournal/settings.dart';
+import 'package:gitjournal/utils/logger.dart';
 
-class RepositoryInfo {
-  String id;
-  String folderName;
-  // IconData iconData;
-
-  RepositoryInfo.fromMap(Map<String, dynamic> map) {
-    id = map['id'];
-    folderName = map['folderName'];
-    // iconData = IconData(map['iconData'] as int);
-  }
-
-  Map<String, dynamic> toMap() => {
-        'id': id,
-        'folderName': folderName,
-        // 'iconData': iconData.codePoint,
-      };
-}
-
-// 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;
+  var repoIds = <String>[];
+  var currentId = DEFAULT_ID;
 
   GitJournalRepo _repo;
-  RepositoryInfo _repoInfo;
 
   final String gitBaseDir;
   final String cacheDir;
@@ -44,18 +24,14 @@ class RepositoryManager with ChangeNotifier {
     @required this.cacheDir,
     @required this.pref,
   }) {
-    // From the pref load all the RepositoryInfos
+    _load();
+    Log.i("Repo Ids $repoIds");
+    Log.i("Current Id $currentId");
   }
 
   GitJournalRepo get currentRepo => _repo;
-  RepositoryInfo get currentRepoInfo => _repoInfo;
 
   Future<GitJournalRepo> buildActiveRepository() async {
-    if (_repo != null) {
-      return _repo;
-    }
-
-    currentId ??= DEFAULT_ID;
     var repoCacheDir = p.join(cacheDir, currentId);
     await Directory(repoCacheDir).create(recursive: true);
 
@@ -70,16 +46,46 @@ class RepositoryManager with ChangeNotifier {
     return _repo;
   }
 
-  Future<void> buildRepoInfoList() async {
-    // Add the latest folder, sort
-    // No need to do anything else
+  String repoFolderName(String id) {
+    return pref.getString(id + "_" + FOLDER_NAME_KEY) ?? "journal";
   }
 
-  // call notifyObservers();
-  // --> After that what?
+  Future<String> addRepo() async {
+    int i = repoIds.length;
+    while (repoIds.contains(i.toString())) {
+      i++;
+    }
 
-  // addRepo(info) -> id
-  // removeRepo(id)
-  // selectRepo(id)
-  // updateRepo(id, info)
+    var id = i.toString();
+    repoIds.add(id);
+    currentId = id;
+    await _save();
+
+    // Generate a default folder name!
+    await pref.setString(id + "_" + FOLDER_NAME_KEY, "repo_$id");
+    Log.i("Creating new repo with id: $id and folder: repo_$id");
+
+    await buildActiveRepository();
+
+    return id;
+  }
+
+  Future<void> _save() async {
+    await pref.setString("activeRepo", currentId);
+    await pref.setStringList("gitRepos", repoIds);
+  }
+
+  void _load() {
+    currentId = pref.getString("activeRepo") ?? DEFAULT_ID;
+    repoIds = pref.getStringList("gitRepos") ?? [DEFAULT_ID];
+  }
+
+  Future<void> setCurrentRepo(String id) async {
+    assert(repoIds.contains(id));
+    currentId = id;
+    await _save();
+
+    Log.i("Switching to repo with id: $id");
+    await buildActiveRepository();
+  }
 }

lib/settings.dart

@@ -14,6 +14,7 @@ import 'package:gitjournal/folder_views/common.dart';
 import 'package:gitjournal/screens/note_editor.dart';
 
 const DEFAULT_ID = "0";
+const FOLDER_NAME_KEY = "remoteGitRepoPath";
 
 class Settings extends ChangeNotifier {
   Settings(this.id);
@@ -142,7 +143,7 @@ class Settings extends ChangeNotifier {
         _getStringList(pref, "inlineTagPrefixes")?.toSet() ?? inlineTagPrefixes;
 
     // From AppState
-    folderName = _getString(pref, "remoteGitRepoPath") ?? folderName;
+    folderName = _getString(pref, FOLDER_NAME_KEY) ?? folderName;
 
     sshPublicKey = _getString(pref, "sshPublicKey") ?? sshPublicKey;
     sshPrivateKey = _getString(pref, "sshPrivateKey") ?? sshPrivateKey;
@@ -263,8 +264,7 @@ class Settings extends ChangeNotifier {
 
     await _setInt(pref, "settingsVersion", version, defaultSet.version);
 
-    await _setString(
-        pref, "remoteGitRepoPath", folderName, defaultSet.folderName);
+    await _setString(pref, FOLDER_NAME_KEY, folderName, defaultSet.folderName);
 
     notifyListeners();
   }

lib/widgets/app_drawer.dart

@@ -14,6 +14,7 @@ import 'package:url_launcher/url_launcher.dart';
 import 'package:gitjournal/analytics.dart';
 import 'package:gitjournal/app_settings.dart';
 import 'package:gitjournal/repository.dart';
+import 'package:gitjournal/repository_manager.dart';
 import 'package:gitjournal/utils.dart';
 import 'package:gitjournal/utils/logger.dart';
 import 'package:gitjournal/widgets/app_drawer_header.dart';
@@ -56,23 +57,21 @@ class _AppDrawerState extends State<AppDrawer>
 
   Widget _buildRepoList() {
     var divider = Row(children: <Widget>[const Expanded(child: Divider())]);
+    var repoManager = context.watch<RepositoryManager>();
+    var repoIds = repoManager.repoIds;
 
     Widget w = Column(
       children: <Widget>[
         const SizedBox(height: 8),
-        _buildDrawerTile(
-          context,
-          icon: FontAwesomeIcons.book,
-          isFontAwesome: true,
-          title: 'journal',
-          onTap: () => _navTopLevel(context, '/login'),
-          selected: false,
-        ),
+        for (var id in repoIds) RepoTile(id),
         _buildDrawerTile(
           context,
           icon: Icons.add,
           title: 'Add Repository',
-          onTap: () => _navTopLevel(context, '/login'),
+          onTap: () {
+            repoManager.addRepo();
+            Navigator.pop(context);
+          },
           selected: false,
         ),
         divider,
@@ -338,6 +337,39 @@ class _AppDrawerState extends State<AppDrawer>
   }
 }
 
+class RepoTile extends StatelessWidget {
+  const RepoTile(
+    this.id, {
+    Key key,
+  }) : super(key: key);
+
+  final String id;
+
+  @override
+  Widget build(BuildContext context) {
+    var theme = Theme.of(context);
+    var listTileTheme = ListTileTheme.of(context);
+    var repoManager = context.watch<RepositoryManager>();
+
+    // FIXME: Improve marking the selected repo
+    var selected = repoManager.currentId == id;
+    var textStyle = theme.textTheme.bodyText1.copyWith(
+      color: selected ? theme.accentColor : listTileTheme.textColor,
+    );
+
+    var icon = FaIcon(FontAwesomeIcons.book, color: textStyle.color);
+
+    return ListTile(
+      leading: icon,
+      title: Text(repoManager.repoFolderName(id)),
+      onTap: () {
+        repoManager.setCurrentRepo(id);
+        Navigator.pop(context);
+      },
+    );
+  }
+}
+
 void _navTopLevel(BuildContext context, String toRoute) {
   var fromRoute = ModalRoute.of(context).settings.name;
   Log.i("Routing from $fromRoute -> $toRoute");