ADD : modify class message to have hashMap

Sources/dafl_project_flutter/lib/model/message.dart

@@ -1,8 +1,30 @@
 import 'user.dart';
 
 class Message {
-  User sender;
+  String idSender;
+  String idReceiver;
   String content;
 
-  Message(this.sender, this.content);
+  Message({required this.idSender,
+    required this.idReceiver,
+    required this.content
+  });
+
+
+  Map<String, dynamic> toHashMap() {
+    return {
+      'idSender': idSender,
+      'idReceiver': idReceiver,
+      'content': content,
+    };
+  }
+
+
+  factory Message.fromMap(Map<String, dynamic> data){
+    return Message(
+      idSender: data['idSender'],
+      idReceiver: data['idReceiver'],
+      content: data['content'],
+    );
+  }
 }

Sources/dafl_project_flutter/lib/services/message_database.dart

@@ -0,0 +1,20 @@
+import 'package:dafl_project_flutter/model/message.dart';
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+
+class MessageDatabase{
+
+
+  void SendMessage(String chatId, Message message) {
+    var documentReference = FirebaseFirestore.instance
+        .collection('messages')
+        .doc(chatId)
+        .collection(chatId)
+        .doc(DateTime.now().millisecondsSinceEpoch.toString());
+
+    FirebaseFirestore.instance.runTransaction((transaction) async {
+      transaction.set(documentReference,message.toHashMap());
+    });
+  }
+
+}

Sources/dafl_project_flutter/pubspec.lock

@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _flutterfire_internals:
+    dependency: transitive
+    description:
+      name: _flutterfire_internals
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.9"
   animations:
     dependency: "direct main"
     description:
@@ -71,6 +78,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.0"
+  cloud_firestore_platform_interface:
+    dependency: transitive
+    description:
+      name: cloud_firestore_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.9.0"
+  cloud_firestore_web:
+    dependency: transitive
+    description:
+      name: cloud_firestore_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
   collection:
     dependency: transitive
     description:
@@ -148,6 +176,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  firebase_messaging:
+    dependency: "direct main"
+    description:
+      name: firebase_messaging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "14.1.1"
+  firebase_messaging_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_messaging_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.7"
+  firebase_messaging_web:
+    dependency: transitive
+    description:
+      name: firebase_messaging_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.7"
   flutter:
     dependency: "direct main"
     description: flutter

Sources/dafl_project_flutter/pubspec.yaml

@@ -30,6 +30,8 @@ dependencies:
   geolocator: ^9.0.2
   flutter_styled_toast: ^2.1.3
   firebase_core: ^2.3.0
+  firebase_messaging: ^14.1.1
+  cloud_firestore: ^4.1.0
 
 dev_dependencies:
   flutter_test: