change lastMessageTime into lastMessage[receive|sent]Time. Receive for sort, and sent for display.

lib/cwtch/cwtchNotifier.dart

@@ -158,7 +158,7 @@ class CwtchNotifier {
               lastMessageTime: DateTime.now(),
               notificationPolicy: data["notificationPolicy"] ?? "ConversationNotificationPolicy.Default"));
 
-          profileCN.getProfile(data["ProfileOnion"])?.contactList.updateLastMessageTime(int.parse(data["ConversationID"]), DateTime.now());
+          profileCN.getProfile(data["ProfileOnion"])?.contactList.updateLastMessageReceivedTime(int.parse(data["ConversationID"]), DateTime.now());
         }
         break;
       case "PeerDeleted":
@@ -376,7 +376,7 @@ class CwtchNotifier {
                 isGroup: true,
                 lastMessageTime: DateTime.now()));
 
-            profileCN.getProfile(data["ProfileOnion"])?.contactList.updateLastMessageTime(identifier, DateTime.fromMillisecondsSinceEpoch(0));
+            profileCN.getProfile(data["ProfileOnion"])?.contactList.updateLastMessageReceivedTime(identifier, DateTime.fromMillisecondsSinceEpoch(0));
           }
           // request a new server update...
           // NOTE: In the future this should also update the TokenManagerInfo

lib/models/contact.dart

@@ -52,7 +52,8 @@ class ContactInfoState extends ChangeNotifier {
   late String _savePeerHistory;
   late int _unreadMessages = 0;
   late int _totalMessages = 0;
-  late DateTime _lastMessageTime;
+  late DateTime _lastMessageReceivedTime; // last time we received a message, for sorting
+  late DateTime _lastMessageSentTime; // last time a message reported being sent, for display
   late Map<String, GlobalKey<MessageRowState>> keys;
   int _newMarkerMsgIndex = -1;
   late MessageCache messageCache;
@@ -106,7 +107,8 @@ class ContactInfoState extends ChangeNotifier {
     this._totalMessages = numMessages;
     this._unreadMessages = numUnread;
     this._savePeerHistory = savePeerHistory;
-    this._lastMessageTime = lastMessageTime == null ? DateTime.fromMillisecondsSinceEpoch(0) : lastMessageTime;
+    this._lastMessageReceivedTime = lastMessageTime == null ? DateTime.fromMillisecondsSinceEpoch(0) : lastMessageTime;
+    this._lastMessageSentTime = _lastMessageReceivedTime;
     this._server = server;
     this._archived = archived;
     this._notificationPolicy = notificationPolicyFromString(notificationPolicy);
@@ -256,10 +258,21 @@ class ContactInfoState extends ChangeNotifier {
     notifyListeners();
   }
 
-  DateTime get lastMessageTime => this._lastMessageTime;
+  // This is last message received time (local) and to be used for sorting only
+  // for instance, group sync, we want to pop to the top, so we set to time.Now() for new messages
+  // but it should not be used for display
+  DateTime get lastMessageReceivedTime => this._lastMessageReceivedTime;
 
-  set lastMessageTime(DateTime newVal) {
-    this._lastMessageTime = newVal;
+  set lastMessageReceivedTime(DateTime newVal) {
+    this._lastMessageReceivedTime = newVal;
+    notifyListeners();
+  }
+
+  // This is last message sent time and is based on message reports of sent times
+  // this can be used to display in the contact list a last time a message was received
+  DateTime get lastMessageSentTime => this._lastMessageSentTime;
+  set lastMessageSentTime(DateTime newVal) {
+    this._lastMessageSentTime = newVal;
     notifyListeners();
   }
 
@@ -322,7 +335,8 @@ class ContactInfoState extends ChangeNotifier {
       _newMarkerMsgIndex++;
     }
 
-    this._lastMessageTime = timestamp;
+    this._lastMessageReceivedTime = timestamp;
+    this._lastMessageSentTime = timestamp;
     this.messageCache.addNew(profileOnion, identifier, messageID, timestamp, senderHandle, senderImage, isAuto, data, contenthash);
     this.totalMessages += 1;
 

lib/models/contactlist.dart

@@ -82,7 +82,7 @@ class ContactListState extends ChangeNotifier {
       if (!a.isInvitation && b.isInvitation) return 1;
 
       // special sorting for contacts with no messages in either history
-      if (a.lastMessageTime.millisecondsSinceEpoch == 0 && b.lastMessageTime.millisecondsSinceEpoch == 0) {
+      if (a.lastMessageReceivedTime.millisecondsSinceEpoch == 0 && b.lastMessageReceivedTime.millisecondsSinceEpoch == 0) {
         // online contacts first
         if (a.isOnline() && !b.isOnline()) return -1;
         if (!a.isOnline() && b.isOnline()) return 1;
@@ -90,27 +90,27 @@ class ContactListState extends ChangeNotifier {
         return a.onion.toString().compareTo(b.onion.toString());
       }
       // finally... most recent history first
-      if (a.lastMessageTime.millisecondsSinceEpoch == 0) return 1;
-      if (b.lastMessageTime.millisecondsSinceEpoch == 0) return -1;
-      return b.lastMessageTime.compareTo(a.lastMessageTime);
+      if (a.lastMessageReceivedTime.millisecondsSinceEpoch == 0) return 1;
+      if (b.lastMessageReceivedTime.millisecondsSinceEpoch == 0) return -1;
+      return b.lastMessageReceivedTime.compareTo(a.lastMessageReceivedTime);
     });
     //<todo> if(changed) {
     notifyListeners();
     //} </todo>
   }
-
-  void updateLastMessageTime(int forIdentifier, DateTime newMessageTime) {
+  
+  void updateLastMessageReceivedTime(int forIdentifier, DateTime newMessageTime) {
     var contact = getContact(forIdentifier);
     if (contact == null) return;
 
     // Assert that the new time is after the current last message time AND that
     // new message time is before the current time.
-    if (newMessageTime.isAfter(contact.lastMessageTime)) {
+    if (newMessageTime.isAfter(contact.lastMessageReceivedTime)) {
       if (newMessageTime.isBefore(DateTime.now().toLocal())) {
-        contact.lastMessageTime = newMessageTime;
+        contact.lastMessageReceivedTime = newMessageTime;
       } else {
         // Otherwise set the last message time to now...
-        contact.lastMessageTime = DateTime.now().toLocal();
+        contact.lastMessageReceivedTime = DateTime.now().toLocal();
       }
       resort();
     }
@@ -144,7 +144,7 @@ class ContactListState extends ChangeNotifier {
 
   void newMessage(int identifier, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data, String contenthash, bool selectedConversation) {
     getContact(identifier)?.newMessage(identifier, messageID, timestamp, senderHandle, senderImage, isAuto, data, contenthash, selectedConversation);
-    updateLastMessageTime(identifier, DateTime.now());
+    updateLastMessageReceivedTime(identifier, DateTime.now());
   }
 
   int cacheMemUsage() {

lib/models/profile.dart

@@ -94,7 +94,7 @@ class ProfileInfoState extends ChangeNotifier {
 
       // dummy set to invoke sort-on-load
       if (this._contacts.num > 0) {
-        this._contacts.updateLastMessageTime(this._contacts.contacts.first.identifier, this._contacts.contacts.first.lastMessageTime);
+        this._contacts.updateLastMessageReceivedTime(this._contacts.contacts.first.identifier, this._contacts.contacts.first.lastMessageReceivedTime);
       }
     }
   }
@@ -246,7 +246,7 @@ class ProfileInfoState extends ChangeNotifier {
           }
           profileContact.totalMessages = newCount;
           profileContact.unreadMessages = contact["numUnread"];
-          profileContact.lastMessageTime = DateTime.fromMillisecondsSinceEpoch(1000 * int.parse(contact["lastMsgTime"]));
+          profileContact.lastMessageReceivedTime = DateTime.fromMillisecondsSinceEpoch(1000 * int.parse(contact["lastMsgTime"]));
         } else {
           this._contacts.add(ContactInfoState(
                 this.onion,

lib/models/remoteserver.dart

@@ -40,8 +40,8 @@ class RemoteServerInfoState extends ChangeNotifier {
     if (status == "Authenticated") {
       // syncing, set lastPreSyncMessageTime
       _groups.forEach((g) {
-        if (g.lastMessageTime.isAfter(lastPreSyncMessagTime)) {
-          lastPreSyncMessagTime = g.lastMessageTime;
+        if (g.lastMessageReceivedTime.isAfter(lastPreSyncMessagTime)) {
+          lastPreSyncMessagTime = g.lastMessageReceivedTime;
         }
       });
     }

lib/widgets/contactrow.dart

@@ -159,7 +159,7 @@ class _ContactRowState extends State<ContactRow> {
                                       icon: Icon(Icons.block, color: Provider.of<Settings>(context).theme.mainTextColor),
                                       onPressed: () {},
                                     )
-                                  : Text(prettyDateString(context, widget.messageIndex == null ? contact.lastMessageTime : (this.cachedMessage?.getMetadata().timestamp ?? DateTime.now())))),
+                                  : Text(prettyDateString(context, widget.messageIndex == null ? contact.lastMessageSentTime : (this.cachedMessage?.getMetadata().timestamp ?? DateTime.now())))),
                         ),
                       ],
                     ))),