Make the state global and connect the add note screen

This is a huge work in progress, but it finally seems to kinda work.

lib/app.dart

@@ -0,0 +1,86 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:journal/file_storage.dart';
+import 'package:journal/note.dart';
+import 'package:journal/screens/home_screen.dart';
+
+class JournalApp extends StatefulWidget {
+  final FileStorage fileStorage;
+
+  JournalApp({@required this.fileStorage});
+
+  @override
+  JournalAppState createState() {
+    return new JournalAppState();
+  }
+}
+
+class JournalAppState extends State<JournalApp> {
+  AppState appState = AppState.loading();
+
+  @override
+  void initState() {
+    super.initState();
+
+    widget.fileStorage.loadNotes().then((loadedNotes) {
+      setState(() {
+        appState = AppState(notes: loadedNotes);
+      });
+    }).catchError((err) {
+      setState(() {
+        print("Got Error");
+        print(err);
+        appState.isLoading = false;
+      });
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new MaterialApp(
+      title: 'Journal',
+      home: new HomeScreen(
+        appState: appState,
+        noteAdder: addNote,
+      ),
+      theme: new ThemeData(
+        brightness: Brightness.dark,
+        primaryColor: Colors.lightBlue[800],
+        accentColor: Colors.cyan[600],
+      ),
+    );
+  }
+
+  @override
+  void setState(VoidCallback fn) {
+    super.setState(fn);
+
+    widget.fileStorage.saveNotes(appState.notes);
+  }
+
+  void addNote(Note note) {
+    print("Adding a note " + note.toString());
+    setState(() {
+      try {
+        appState.notes.add(note);
+      } catch (err) {
+        print("WTF");
+        print(err);
+      }
+    });
+  }
+
+  void removeNote(Note note) {
+    setState(() {
+      appState.notes.remove(note);
+    });
+  }
+
+  // FIXME: Implement this!
+  void updateNote(Note note) {
+    setState(() {
+      //appState.notes.
+      //appState.notes.remove(note);
+    });
+  }
+}

lib/file_storage.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:io';
 import 'dart:convert';
 
+import 'package:flutter/foundation.dart';
 import 'package:path/path.dart' as p;
 
 import './note.dart';
@@ -9,7 +10,7 @@ import './note.dart';
 class FileStorage {
   final Future<Directory> Function() getDirectory;
 
-  FileStorage(this.getDirectory);
+  FileStorage({@required this.getDirectory});
 
   Future<List<Note>> loadNotes() async {
     final dir = await getDirectory();

lib/main.dart

@@ -1,13 +1,16 @@
 import 'dart:async';
-import 'dart:convert';
+import 'dart:io';
 
 import 'package:flutter/material.dart';
-import 'package:http/http.dart' as http;
+//import 'package:http/http.dart' as http;
+import 'package:journal/app.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
 
+import 'package:journal/file_storage.dart';
+
+/*
 import 'note.dart';
-import 'note_editor.dart';
-import 'note_viewer.dart';
-import 'journal_list.dart';
 
 Future<List<Note>> fetchNotes() async {
   final response = await http.get('http://192.168.1.132:8000/notes');
@@ -20,63 +23,20 @@ Future<List<Note>> fetchNotes() async {
 
   return notes;
 }
+*/
 
-void main() => runApp(new MyApp());
-
-class HomeScreen extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    var createButton = new FloatingActionButton(
-      onPressed: () => _newPost(context),
-      child: new Icon(Icons.add),
-    );
-
-    return new Scaffold(
-      appBar: new AppBar(
-        title: new Text('Journal'),
-      ),
-      floatingActionButton: createButton,
-      body: new FutureBuilder<List<Note>>(
-          future: fetchNotes(),
-          builder: (context, snapshot) {
-            if (snapshot.hasData) {
-              var notes = snapshot.data;
-              return new JournalList(
-                notes: notes,
-                noteSelectedFunction: (note) => _noteSelected(note, context),
-              );
-            } else if (snapshot.hasError) {
-              return new Text("${snapshot.error}");
-            }
-
-            return new CircularProgressIndicator();
-          }),
-    );
-  }
-
-  void _noteSelected(Note note, BuildContext context) {
-    var route =
-        new MaterialPageRoute(builder: (context) => new NoteViewer(note: note));
-    Navigator.of(context).push(route);
-  }
-
-  void _newPost(BuildContext context) {
-    var route = new MaterialPageRoute(builder: (context) => new NoteEditor());
-    Navigator.of(context).push(route);
-  }
+void main() {
+  runApp(new JournalApp(
+    fileStorage: FileStorage(
+      getDirectory: getNotesDir,
+    ),
+  ));
 }
 
-class MyApp extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    return new MaterialApp(
-      title: 'Journal',
-      home: new HomeScreen(),
-      theme: new ThemeData(
-        brightness: Brightness.dark,
-        primaryColor: Colors.lightBlue[800],
-        accentColor: Colors.cyan[600],
-      ),
-    );
-  }
+Future<Directory> getNotesDir() async {
+  var appDir = await getApplicationDocumentsDirectory();
+  var dir = new Directory(p.join(appDir.path, "notes"));
+  await dir.create();
+
+  return dir;
 }

lib/note.dart

@@ -1,3 +1,7 @@
+typedef NoteAdder(Note note);
+typedef NoteRemover(Note note);
+typedef NoteUpdator(Note note);
+
 class Note implements Comparable {
   final String id;
   final DateTime createdAt;
@@ -41,3 +45,15 @@ class Note implements Comparable {
   @override
   int compareTo(other) => createdAt.compareTo(other.createdAt);
 }
+
+class AppState {
+  bool isLoading;
+  List<Note> notes;
+
+  AppState({
+    this.isLoading = false,
+    this.notes = const [],
+  });
+
+  factory AppState.loading() => AppState(isLoading: true);
+}

lib/note_editor.dart

@@ -1,10 +1,23 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
+import 'package:intl/intl.dart';
+import 'package:journal/note.dart';
 
 class NoteEditor extends StatelessWidget {
+  static final GlobalKey<FormFieldState<String>> noteTextKey =
+      GlobalKey<FormFieldState<String>>();
+  final NoteAdder noteAdder;
+  final DateTime _createdAt;
+
+  NoteEditor({
+    @required this.noteAdder,
+  }) : _createdAt = new DateTime.now();
+
   @override
   Widget build(BuildContext context) {
     var bodyWidget = new Container(
-      child: new TextField(
+      child: new TextFormField(
+        key: noteTextKey,
         autofocus: true,
         keyboardType: TextInputType.multiline,
         maxLines: 5000,
@@ -15,11 +28,27 @@ class NoteEditor extends StatelessWidget {
       padding: const EdgeInsets.all(8.0),
     );
 
+    var formatter = new DateFormat('dd MMM, yyyy');
+    var title = formatter.format(_createdAt);
+
     var newJournalScreen = new Scaffold(
       appBar: new AppBar(
-        title: new Text("May 15, 17:35"),
+        title: new Text(title),
       ),
       body: bodyWidget,
+      floatingActionButton: FloatingActionButton(
+          child: Icon(Icons.add),
+          onPressed: () {
+            var body = noteTextKey.currentState.value;
+            var note = new Note(
+              id: "1",
+              createdAt: _createdAt,
+              body: body,
+            );
+            noteAdder(note);
+
+            Navigator.pop(context);
+          }),
     );
 
     return newJournalScreen;

lib/screens/home_screen.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
+
+import 'package:journal/journal_list.dart';
+import 'package:journal/note.dart';
+import 'package:journal/note_editor.dart';
+import 'package:journal/note_viewer.dart';
+
+class HomeScreen extends StatelessWidget {
+  final AppState appState;
+  final NoteAdder noteAdder;
+
+  HomeScreen({
+    @required this.appState,
+    @required this.noteAdder,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    var createButton = new FloatingActionButton(
+      onPressed: () => _newPost(context),
+      child: new Icon(Icons.add),
+    );
+
+    return new Scaffold(
+      appBar: new AppBar(
+        title: new Text('Journal'),
+      ),
+      floatingActionButton: createButton,
+      /*
+      body: new FutureBuilder<List<Note>>(
+          future: fetchNotes(),
+          builder: (context, snapshot) {
+            if (snapshot.hasData) {
+              var notes = snapshot.data;
+              return new JournalList(
+                notes: notes,
+                noteSelectedFunction: (note) => _noteSelected(note, context),
+              );
+            } else if (snapshot.hasError) {
+              return new Text("${snapshot.error}");
+            }
+
+            return new CircularProgressIndicator();
+          }),
+      */
+      body: new JournalList(
+        notes: appState.notes,
+        noteSelectedFunction: (note) => _noteSelected(note, context),
+      ),
+    );
+  }
+
+  void _noteSelected(Note note, BuildContext context) {
+    var route =
+        new MaterialPageRoute(builder: (context) => new NoteViewer(note: note));
+    Navigator.of(context).push(route);
+  }
+
+  void _newPost(BuildContext context) {
+    var route = new MaterialPageRoute(
+        builder: (context) => new NoteEditor(
+              noteAdder: noteAdder,
+            ));
+    Navigator.of(context).push(route);
+  }
+}

pubspec.lock

@@ -228,6 +228,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.5.1"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.0"
   plugin:
     dependency: transitive
     description:
@@ -388,4 +395,5 @@ packages:
     source: hosted
     version: "2.1.13"
 sdks:
-  dart: ">=2.0.0-dev.23.0 <=2.0.0-edge.af1436931b93e755d38223c487d33a0a1f5eadf5"
+  dart: ">=2.0.0-dev.28.0 <=2.0.0-edge.af1436931b93e755d38223c487d33a0a1f5eadf5"
+  flutter: ">=0.1.4 <2.0.0"

pubspec.yaml

@@ -7,6 +7,8 @@ dependencies:
   http: "^0.11.3+16"
   intl: "^0.15.6"
   path: "^1.5.1"
+  path_provider: "^0.4.0"
+
 
 dev_dependencies:
   flutter_test:

test/file_storage_test.dart

@@ -14,7 +14,7 @@ main() {
     ];
 
     final directory = Directory.systemTemp.createTemp('__storage_test__');
-    final storage = FileStorage(() => directory);
+    final storage = FileStorage(getDirectory: () => directory);
 
     tearDownAll(() async {
       final tempDirectory = await directory;