Fehlerkorrekturen und Erweiterungen

lib/content_views/messages_page.dart

@@ -4,13 +4,13 @@ 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:isar/isar.dart';
-import 'package:mqtt5_client/mqtt5_client.dart';
 import 'package:stadtbote/content_views/utils/content_view_widget.dart';
 import 'package:stadtbote/main.dart';
 import 'package:stadtbote/messages/pop_content_view_message.dart';
 import 'package:stadtbote/model/chat_message.dart' as sbmessage;
 import 'package:stadtbote/model/chat_message.dart';
 import 'package:stadtbote/model/session_status.dart';
+import 'package:stadtbote/protocoll_messages/messages_showed.dart';
 import 'package:stadtbote/tools/constants.dart';
 import 'package:stadtbote/tools/messages/publish_payload_message.dart';
 
@@ -53,6 +53,8 @@ class _MessagesPageState extends State<MessagesPage> with ProducerMixin {
       var status = await MyApp.isarInstance.sessionStatus.where().findFirst();
       _sid = status != null ? status.sid : 'Unbekannt';
 
+      _sendMessagesReceivedMessage();
+
       await _fetchMessages();
 
       _initCompleted = true;
@@ -99,14 +101,11 @@ class _MessagesPageState extends State<MessagesPage> with ProducerMixin {
       await MyApp.isarInstance.chatMessages.put(message);
     });
 
-    // TODO MESSAGING
     sendMessage(
       routingKey: Constants.messageTopicPublishPayload,
-      payload: PublishPayloadMessage(topic: "message", message: message.toJson(), qos: MqttQos.exactlyOnce),
+      payload: PublishPayloadMessage(topic: "message", message: message.toJson(), acknowledgeRequired: true),
     );
 
-    //await MessageService().publish<PublishPayloadMessage>(Constants.messageTopicPublishPayload, arguments: PublishPayloadMessage(topic: "message", message: message.toJson(), qos: MqttQos.exactlyOnce));
-
     _messages.insert(0, types.TextMessage(
       author: _user,
       createdAt: now.millisecondsSinceEpoch,
@@ -191,6 +190,29 @@ class _MessagesPageState extends State<MessagesPage> with ProducerMixin {
           );
         });
   }
+
+  void _sendMessagesReceivedMessage() async {
+    var unreadChatMessages = await MyApp.isarInstance.chatMessages
+        .filter()
+        .readEqualTo(false)
+        .findAll();
+
+    if (unreadChatMessages.isNotEmpty) {
+      List<String> chatMessageIds = [];
+      for(var message in unreadChatMessages) {
+        chatMessageIds.add(message.id.toString());
+      }
+
+      var chatMessagesReceived = ChatMessagesReceived();
+      chatMessagesReceived.ids = chatMessageIds;
+      chatMessagesReceived.time = DateTime.now().toUtc().toIso8601String();
+
+      sendMessage(
+        routingKey: Constants.messageTopicChatMessagesReceived,
+        payload: chatMessagesReceived,
+      );
+    }
+  }
 }
 
 class _HeaderWidget extends StatefulWidget {