Moved all functions to chatfunction

functions/chatapp-functions/lib/main.dart

@@ -39,7 +39,12 @@ Future<dynamic> main(final _context) async {
       createdAt = DateTime.parse(_context.req.bodyJson['\$createdAt']);
       updatedAt = DateTime.parse(_context.req.bodyJson['\$updatedAt']);
 
-      _context.log(_messages);
+      // _context.log(_messages);
+
+      Map allMessages = {};
+      for (var pp = 0; pp < _messages.length; pp++) {
+        allMessages.addAll(json.decode(_messages[pp]));
+      }
 
       if (createdAt.isAtSameMomentAs(updatedAt)) {
         //
@@ -57,7 +62,7 @@ Future<dynamic> main(final _context) async {
       } else {
         //
         for (String _member in _members) {
-          await updateConversation(_context, _member, _messages);
+          await updateConversation(_context, _member, allMessages[_member]);
         }
       }
     }
@@ -74,6 +79,7 @@ dynamic createConversation(final _context, String _member, var _members) async {
 
   List<dynamic> _chatIdMap = [];
   List<dynamic> _detailMap = [];
+  List<dynamic> _lastModifiedMap = [];
 
   var _userDetail = await _database.getDocument(
     databaseId: _databaseId,
@@ -99,6 +105,7 @@ dynamic createConversation(final _context, String _member, var _members) async {
   if (_conversationDetail != null) {
     _chatIdMap = _conversationDetail.data['chatId'];
     _detailMap = _conversationDetail.data['details'];
+    _lastModifiedMap = _conversationDetail.data['lastModified'];
 
     await _database.deleteDocument(
       databaseId: _databaseId,
@@ -112,10 +119,12 @@ dynamic createConversation(final _context, String _member, var _members) async {
 
     _chatIdMap.add(_documentId);
     _detailMap.add(_data);
+    _lastModifiedMap.add(DateTime.now().toUtc().toIso8601String());
 
     Map<String, dynamic> _conversationMap = {
       "chatId": _chatIdMap,
-      "details": _detailMap
+      "details": _detailMap,
+      "lastModified": _lastModifiedMap
     };
 
     await _database.createDocument(
@@ -137,10 +146,11 @@ dynamic createConversation(final _context, String _member, var _members) async {
 //
 dynamic updateConversation(var _context, var _member, var _messages) async {
   //
-  Map _message = json.decode(_messages[_messages.length - 1]);
+  var _message = _messages[_messages.length - 1];
   if (_message.isNotEmpty) {
     List<dynamic> _chatIdMap = [];
     List<dynamic> _detailMap = [];
+    List<dynamic> _lastModifiedMap = [];
 
     var _conversationDetail;
     try {
@@ -158,9 +168,11 @@ dynamic updateConversation(var _context, var _member, var _messages) async {
     if (_conversationDetail != null) {
       _chatIdMap = _conversationDetail.data['chatId'];
       _detailMap = _conversationDetail.data['details'];
+      _lastModifiedMap = _conversationDetail.data['lastModified'];
 
       var _index = _chatIdMap.indexOf(_documentId);
       Map _detail = json.decode(_detailMap[_index]);
+      _lastModifiedMap[_index] = DateTime.now().toUtc().toIso8601String();
 
       _detail['unseenCount'] += 1;
       _detail['lastMessage'] = _message['message'];
@@ -172,7 +184,8 @@ dynamic updateConversation(var _context, var _member, var _messages) async {
 
       Map<String, dynamic> _conversationMap = {
         "chatId": _chatIdMap,
-        "details": _detailMap
+        "details": _detailMap,
+        "lastModified": _lastModifiedMap
       };
 
       await _database.updateDocument(