Erweiterungen

lib/content_views/messages_page.dart

@@ -1,10 +1,15 @@
-
 import 'package:flutter/material.dart';
 import 'package:flutter_chat_ui/flutter_chat_ui.dart';
 import 'package:flutter_chat_types/flutter_chat_types.dart' as types;
+import 'package:intl/intl.dart';
+import 'package:isar/isar.dart';
 import 'package:stadtbote/content_views/utils/content_view_widget.dart';
 import 'package:stadtbote/content_views/utils/header_info.dart';
+import 'package:stadtbote/main.dart';
+import 'package:stadtbote/model/message.dart' as sbmessage;
+import 'package:stadtbote/model/status.dart';
 import 'package:stadtbote/popups/infos_popup.dart';
+import 'package:uuid/uuid.dart';
 
 import '../tools/util.dart';
 
@@ -17,25 +22,12 @@ class MessagesPage extends ContentViewWidget {
   @override
   Future<HeaderInfo> getHeaderInfo(BuildContext context) async {
     return HeaderInfo(
-        titleWidget: Container(
-          padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 3),
-          child: const Column(children: [
-            Text(
-              'Zeile 1',
-              style: TextStyle(
-                color: Colors.white,
-                fontSize: 18.0,
-              ),
-            ),
-            SizedBox(height: 5),
-            Text(
-              'Zeile 2',
-              style: TextStyle(
-                color: Colors.white,
-                fontSize: 18.0,
-              ),
-            ),
-          ]),
+        titleWidget: const Text(
+          'Nachrichten',
+          style: TextStyle(
+            color: Colors.white,
+            fontSize: 24.0,
+          ),
         ),
         rightButtonEnabled: true,
         rightButtonVisible: true,
@@ -47,27 +39,97 @@ class MessagesPage extends ContentViewWidget {
 }
 
 class _MessagesPageState extends State<MessagesPage> {
+  bool _initCompleted = false;
+
+  late String _sid;
+
   late final List<types.Message> _messages = [];
 
   final _user = const types.User(
     id: '82091008-a484-4a89-ae75-a22bf8d6f3ac',
   );
 
+  final _central = const types.User(
+    id: '82091008-a484-4a89-ae75-a22bf8d6f3ad',
+  );
+
+  @override
+  void initState() {
+    super.initState();
+
+    Future.delayed(const Duration(seconds: 0), () async {
+      var status = await MyApp.isarInstance.status.where().findFirst();
+      _sid = status != null ? status.sid : 'Unbekannt';
+
+      await _fetchMessages();
+
+      _initCompleted = true;
+
+      setState(() {});
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
+    if (!_initCompleted) {
+      return Util.getWaitWidget(context);
+    }
+
     return Stack(
       children: [
         Chat(
           messages: _messages,
           onSendPressed: _handleSendPressed,
-          showUserAvatars: true,
-          showUserNames: true,
+          showUserAvatars: false,
+          showUserNames: false,
           user: _user,
         ),
       ],
     );
   }
 
-  void _handleSendPressed(types.PartialText p1) {
+  void _handleSendPressed(types.PartialText text) async {
+    var message = sbmessage.Message();
+    message.text = [text.text];
+    message.from = _sid;
+    message.subj = '';
+    message.time = DateFormat("yyyy.mm.dd HH:mm").format(DateTime.now());
+    message.id = 0;
+
+    await MyApp.isarInstance.writeTxn(() async {
+      await MyApp.isarInstance.messages.put(message);
+    });
+
+    _messages.insert(0, types.TextMessage(
+      author: _user,
+      createdAt: DateTime.now().millisecondsSinceEpoch,
+      id: const Uuid().v4().toString(),
+      text: text.text,
+    ));
+
+    setState(() {});
+  }
+
+  Future<void> _fetchMessages() async {
+    _messages.clear();
+
+    var messages = await MyApp.isarInstance.messages.where().findAll();
+    for (var message in messages) {
+      var text = '';
+      for (var textLine in message.text) {
+        text += '$textLine\n';
+      }
+
+      _messages.add(types.TextMessage(
+        author: message.from == _sid ? _user : _central,
+        createdAt: DateTime.now().millisecondsSinceEpoch,
+        id: Uuid().v4().toString(),
+        text: text,
+      ));
+
+      setState(() {});
+    }
+
+    Util.logInfo('');
   }
 }