Implement a very basic file system view

This will show all the files and not just the "notes". This way the user
can easily figure out why a file isn't included in the list of notes.

It's currently disabled by default as it clearly needs a lot more work.

assets/langs/en.yaml

@@ -84,6 +84,14 @@ screens:
       empty: Please enter a name
   tags:
     title: Tags
+  filesystem:
+    ignoredFile:
+      title: File Ignored
+      ok: Ok
+      rename: Rename
+    rename:
+      decoration: File Name
+      title: Rename
 widgets:
   rename:
     yes: Rename
@@ -102,3 +110,6 @@ widgets:
       other: "{} Notes link to this Note"
 
 rootFolder: Root Folder
+ignoredFiles:
+  dot: Starts with a .
+  ext: Doesn't end with .md or .txt

lib/analytics.dart

@@ -17,6 +17,7 @@ enum Event {
   NoteUndoDeleted,
   NoteRenamed,
   NoteMoved,
+  FileRenamed,
   FolderAdded,
   FolderDeleted,
   FolderRenamed,
@@ -39,6 +40,9 @@ String _eventToString(Event e) {
     case Event.NoteMoved:
       return "note_moved";
 
+    case Event.FileRenamed:
+      return "file_renamed";
+
     case Event.FolderAdded:
       return "folder_added";
     case Event.FolderDeleted:

lib/app.dart

@@ -5,6 +5,7 @@ import 'package:device_info/device_info.dart';
 import 'package:firebase_analytics/observer.dart';
 import 'package:flutter/material.dart';
 import 'package:gitjournal/analytics.dart';
+import 'package:gitjournal/screens/filesystem_screen.dart';
 import 'package:gitjournal/screens/folder_listing.dart';
 import 'package:gitjournal/screens/tag_listing.dart';
 import 'package:gitjournal/screens/note_editor.dart';
@@ -306,7 +307,7 @@ class _JournalAppState extends State<JournalApp> {
       //debugShowMaterialGrid: true,
       onGenerateRoute: (settings) {
         var route = settings.name;
-        if (route == '/folders' || route == '/tags') {
+        if (route == '/folders' || route == '/tags' || route == '/filesystem') {
           return PageRouteBuilder(
             settings: settings,
             pageBuilder: (_, __, ___) => _screenForRoute(route, stateContainer),
@@ -333,6 +334,8 @@ class _JournalAppState extends State<JournalApp> {
         return HomeScreen();
       case '/folders':
         return FolderListingScreen();
+      case '/filesystem':
+        return FileSystemScreen();
       case '/tags':
         return TagListingScreen();
       case '/settings':

lib/core/git_repo.dart

@@ -102,6 +102,21 @@ class GitNoteRepository {
     return NoteRepoResult(noteFilePath: newFullPath, error: false);
   }
 
+  Future<NoteRepoResult> renameFile(
+    String oldFullPath,
+    String newFullPath,
+  ) async {
+    // FIXME: This is a hacky way of adding the changes, ideally we should be calling rm + add or something
+    await _gitRepo.add(".");
+    await _gitRepo.commit(
+      message: "Renamed File",
+      authorEmail: Settings.instance.gitAuthorEmail,
+      authorName: Settings.instance.gitAuthor,
+    );
+
+    return NoteRepoResult(noteFilePath: newFullPath, error: false);
+  }
+
   Future<NoteRepoResult> moveNote(
     String oldFullPath,
     String newFullPath,

lib/core/notes_folder_fs.dart

@@ -7,11 +7,23 @@ import 'package:gitjournal/utils/logger.dart';
 import 'package:path/path.dart' as p;
 import 'package:path/path.dart';
 import 'package:synchronized/synchronized.dart';
+import 'package:meta/meta.dart';
 
 import 'note.dart';
 import 'notes_folder.dart';
 import 'notes_folder_notifier.dart';
 
+class IgnoredFile {
+  String filePath;
+  String reason;
+
+  IgnoredFile({@required this.filePath, @required this.reason});
+
+  String get fileName {
+    return p.basename(filePath);
+  }
+}
+
 class NotesFolderFS with NotesFolderNotifier implements NotesFolder {
   final NotesFolderFS _parent;
   String _folderPath;
@@ -19,6 +31,7 @@ class NotesFolderFS with NotesFolderNotifier implements NotesFolder {
 
   List<Note> _notes = [];
   List<NotesFolderFS> _folders = [];
+  List<IgnoredFile> _ignoredFiles = [];
 
   Map<String, dynamic> _entityMap = {};
   NotesFolderConfig _config;
@@ -119,6 +132,8 @@ class NotesFolderFS with NotesFolderNotifier implements NotesFolder {
   @override
   List<NotesFolder> get subFolders => subFoldersFS;
 
+  List<IgnoredFile> get ignoredFiles => _ignoredFiles;
+
   List<NotesFolderFS> get subFoldersFS {
     // FIXME: This is really not ideal
     _folders.sort((NotesFolderFS a, NotesFolderFS b) =>
@@ -172,6 +187,8 @@ class NotesFolderFS with NotesFolderNotifier implements NotesFolder {
       _config = await NotesFolderConfig.fromFS(this);
     }
 
+    _ignoredFiles = <IgnoredFile>[];
+
     final dir = Directory(folderPath);
     var lister = dir.list(recursive: false, followLinks: false);
     await for (var fsEntity in lister) {
@@ -208,9 +225,15 @@ class NotesFolderFS with NotesFolderNotifier implements NotesFolder {
 
       var note = Note(this, fsEntity.path);
       if (note.fileName.startsWith('.')) {
+        var ignoredFile = IgnoredFile(
+          filePath: fsEntity.path,
+          reason: tr("ignoredFiles.dot"),
+        );
+        _ignoredFiles.add(ignoredFile);
+
         Log.v("Ignoring file", props: {
-          "path": fsEntity.path,
-          "reason": "Starts with a .",
+          "path": ignoredFile.filePath,
+          "reason": ignoredFile.reason,
         });
         continue;
       }
@@ -218,9 +241,15 @@ class NotesFolderFS with NotesFolderNotifier implements NotesFolder {
       var isMarkdownFile = noteFilePath.endsWith('.md');
       var isTxtFile = noteFilePath.endsWith('.txt');
       if (!isMarkdownFile && !isTxtFile) {
+        var ignoredFile = IgnoredFile(
+          filePath: fsEntity.path,
+          reason: tr("ignoredFiles.ext"),
+        );
+        _ignoredFiles.add(ignoredFile);
+
         Log.v("Ignoring file", props: {
-          "path": fsEntity.path,
-          "reason": "Doesn't end with .md or .txt",
+          "path": ignoredFile.filePath,
+          "reason": ignoredFile.reason,
         });
         continue;
       }

lib/features.dart

@@ -1,3 +1,4 @@
 class Features {
   static bool perFolderConfig = false;
+  static bool showFileSystem = false;
 }

lib/screens/filesystem_screen.dart

@@ -0,0 +1,137 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:function_types/function_types.dart';
+import 'package:gitjournal/state_container.dart';
+import 'package:gitjournal/widgets/rename_dialog.dart';
+import 'package:provider/provider.dart';
+
+import 'package:gitjournal/core/note.dart';
+import 'package:gitjournal/core/notes_folder_fs.dart';
+import 'package:gitjournal/widgets/app_drawer.dart';
+
+class FileSystemScreen extends StatefulWidget {
+  @override
+  _FileSystemScreenState createState() => _FileSystemScreenState();
+}
+
+class _FileSystemScreenState extends State<FileSystemScreen> {
+  @override
+  Widget build(BuildContext context) {
+    final rootFolder = Provider.of<NotesFolderFS>(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(rootFolder.publicName),
+      ),
+      body: Scrollbar(
+        child: FileSystemView(
+          rootFolder,
+          onFolderSelected: _onFolderSelected,
+          onNoteSelected: _onNoteSelected,
+          onIgnoredFileSelected: _onIgnoredFileSelected,
+        ),
+      ),
+      drawer: AppDrawer(),
+    );
+  }
+
+  void _onFolderSelected(NotesFolderFS folder) {}
+  void _onNoteSelected(Note note) {}
+
+  void _onIgnoredFileSelected(IgnoredFile ignoredFile) async {
+    await showDialog<void>(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: Text(tr("screens.filesystem.ignoredFile.title")),
+          content: Text(ignoredFile.reason),
+          actions: <Widget>[
+            FlatButton(
+              onPressed: () async {
+                Navigator.of(context).pop(false);
+                _renameFile(ignoredFile.filePath);
+              },
+              child: Text(tr('screens.filesystem.ignoredFile.rename')),
+            ),
+            FlatButton(
+              onPressed: () => Navigator.of(context).pop(false),
+              child: Text(tr('screens.filesystem.ignoredFile.ok')),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  void _renameFile(String oldPath) async {
+    var newFileName = await showDialog(
+      context: context,
+      builder: (_) => RenameDialog(
+        oldPath: oldPath,
+        inputDecoration: tr("screens.filesystem.rename.decoration"),
+        dialogTitle: tr("screens.filesystem.rename.title"),
+      ),
+    );
+    if (newFileName is String) {
+      var container = Provider.of<StateContainer>(context, listen: false);
+      container.renameFile(oldPath, newFileName);
+    }
+  }
+}
+
+class FileSystemView extends StatelessWidget {
+  final NotesFolderFS folder;
+
+  final Func1<NotesFolderFS, void> onFolderSelected;
+  final Func1<Note, void> onNoteSelected;
+  final Func1<IgnoredFile, void> onIgnoredFileSelected;
+
+  FileSystemView(
+    this.folder, {
+    @required this.onFolderSelected,
+    @required this.onNoteSelected,
+    @required this.onIgnoredFileSelected,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ListView(
+      children: <Widget>[
+        for (var folder in folder.subFolders)
+          _buildFolderTile(folder.fsFolder as NotesFolderFS),
+        for (var note in folder.notes) _buildNoteTile(note),
+        for (var ignoredFile in folder.ignoredFiles)
+          _buildIgnoredFileTile(ignoredFile),
+      ],
+    );
+  }
+
+  Widget _buildFolderTile(NotesFolderFS folder) {
+    return ListTile(
+      leading: Icon(Icons.folder),
+      title: Text(folder.name),
+      dense: true,
+      onTap: () => onFolderSelected(folder),
+    );
+  }
+
+  Widget _buildNoteTile(Note note) {
+    return ListTile(
+      leading: Icon(Icons.note),
+      title: Text(note.fileName),
+      dense: true,
+      onTap: () => onNoteSelected(note),
+    );
+  }
+
+  Widget _buildIgnoredFileTile(IgnoredFile ignoredFile) {
+    // FIXME: Paint with Ignored colours
+    return ListTile(
+      leading: Icon(Icons.broken_image),
+      title: Text(ignoredFile.fileName),
+      dense: true,
+      enabled: true,
+      onTap: () => onIgnoredFileSelected(ignoredFile),
+    );
+  }
+}

lib/state_container.dart

@@ -218,6 +218,24 @@ class StateContainer with ChangeNotifier {
     });
   }
 
+  void renameFile(String oldPath, String newFileName) async {
+    logEvent(Event.NoteRenamed);
+
+    return _opLock.synchronized(() async {
+      Log.d("Got renameNote lock");
+
+      var newPath = p.join(p.dirname(oldPath), newFileName);
+      await File(oldPath).rename(newPath);
+      notifyListeners();
+
+      _gitRepo.renameFile(oldPath, newPath).then((NoteRepoResult _) {
+        _syncNotes();
+        appState.numChanges += 1;
+        notifyListeners();
+      });
+    });
+  }
+
   void moveNote(Note note, NotesFolderFS destFolder) async {
     if (destFolder.folderPath == note.parent.folderPath) {
       return;

lib/widgets/app_drawer.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter_email_sender/flutter_email_sender.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:gitjournal/features.dart';
 import 'package:gitjournal/settings.dart';
 import 'package:gitjournal/utils/logger.dart';
 import 'package:launch_review/launch_review.dart';
@@ -93,6 +94,15 @@ class AppDrawer extends StatelessWidget {
             onTap: () => _navTopLevel(context, '/folders'),
             selected: currentRoute == "/folders",
           ),
+          if (Features.showFileSystem)
+            _buildDrawerTile(
+              context,
+              icon: FontAwesomeIcons.solidFolderOpen,
+              isFontAwesome: true,
+              title: "File System",
+              onTap: () => _navTopLevel(context, '/filesystem'),
+              selected: currentRoute == "/filesystem",
+            ),
           _buildDrawerTile(
             context,
             icon: FontAwesomeIcons.tag,