Merge pull request 'Stop using key-based lookups for messages, use the message cache instead.' (#392) from message_row_fixes into trunk

Reviewed-on: #392

lib/cwtch/cwtchNotifier.dart

@@ -192,25 +192,14 @@ class CwtchNotifier {
         var conversation = int.parse(data["ConversationID"]);
         var messageID = int.parse(data["Index"]);
 
-        var contact = profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation);
+        // We only ever see acks from authenticated peers.
-        // We return -1 for protocol message acks if there is no message
+        // If the contact is marked as offline then override this - can happen when the contact is removed from the front
-        if (messageID == -1) break;
+        // end during syncing.
-        var key = contact!.getMessageKeyOrFail(conversation, messageID);
+        if (profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation)!.isOnline() == false) {
-        if (key == null) break;
+          profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation)!.status = "Authenticated";
-        try {
-          var message = Provider.of<MessageMetadata>(key.currentContext!, listen: false);
-          message.ackd = true;
-
-          // We only ever see acks from authenticated peers.
-          // If the contact is marked as offline then override this - can happen when the contact is removed from the front
-          // end during syncing.
-          if (profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation)!.isOnline() == false) {
-            profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation)!.status = "Authenticated";
-          }
-          profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation)!.ackCache(messageID);
-        } catch (e) {
-          // ignore, most likely cause is the key got optimized out...
         }
+        profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(conversation)!.ackCache(messageID);
+
         break;
       case "NewMessageFromGroup":
         var identifier = int.parse(data["ConversationID"]);
@@ -259,12 +248,8 @@ class CwtchNotifier {
       case "IndexedFailure":
         var identifier = int.parse(data["ConversationID"]);
         var contact = profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier);
-        var idx = int.parse(data["Index"]);
+        var messageID = int.parse(data["Index"]);
-        var key = contact?.getMessageKeyOrFail(contact.identifier, idx);
+        contact!.errCache(messageID);
-        if (key != null) {
-          var message = Provider.of<MessageMetadata>(key.currentContext!, listen: false);
-          message.error = true;
-        }
         break;
       case "AppError":
         EnvironmentConfig.debugLog("New App Error: $data");

lib/l10n/intl_cy.arb

@@ -1,6 +1,8 @@
 {
     "@@locale": "cy",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
+    "deleteConfirmLabel": "Teipiwch DILEU i gadarnhau",
+    "deleteConfirmText": "DILEU",
     "localeDa": "Daneg",
     "successfullAddedContact": "Wedi llwyddo i ychwanegu: ",
     "serverMetricsLabel": "Metrigau Gweinydd",
@@ -281,9 +283,7 @@
     "settingLanguage": "Laith",
     "password": "Cyfrinair",
     "addNewProfileBtn": "Ychwanegu proffil newydd",
-    "deleteConfirmText": "DELETE",
     "deleteProfileConfirmBtn": "Dileu Proffil yn Wirioneddol",
-    "deleteConfirmLabel": "Teipiwch DELETE i gadarnhau",
     "deleteProfileBtn": "Dileu Proffil",
     "passwordErrorMatch": "Nid yw cyfrineiriau'n cyfateb",
     "saveProfileBtn": "Cadw Proffil",

lib/l10n/intl_da.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "da",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "serverLabel": "Server",
     "profileOnionLabel": "Send denne adresse til personer du ønsker forbindelse med",
     "saveBtn": "Gem",

lib/l10n/intl_de.arb

@@ -1,6 +1,7 @@
 {
     "@@locale": "de",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
+    "deleteConfirmLabel": "Gib LÖSCHEN ein, um zu bestätigen",
     "localeDa": "Dänisch",
     "localeCy": "Walisisch",
     "pasteAddressToAddContact": "Cwtch Adresse, Einladung oder Schlüssel hier hinzufügen, um eine neue Konversation hinzuzufügen",
@@ -176,7 +177,6 @@
     "yourServers": "Deine Server",
     "yourProfiles": "Deine Profile",
     "enterProfilePassword": "Gib ein Passwort ein, um deine Profile anzuzeigen",
-    "deleteConfirmLabel": "Gib LÖSCHEN ein um zu bestätigen",
     "notificationNewMessageFromGroup": "Neue Nachricht in einer Gruppe!",
     "notificationNewMessageFromPeer": "Neue Nachricht von einem Kontakt!",
     "tooltipHidePassword": "Password verstecken",

lib/l10n/intl_el.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "el",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeCy": "Ουαλικά",
     "localeDa": "Δανικά",
     "server": "Διακομιστής",

lib/l10n/intl_en.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "en",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Danish",
     "localeCy": "Welsh",
     "localeEl": "Greek",

lib/l10n/intl_es.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "es",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Danés",
     "groupInviteSettingsWarning": "¡Has recibido una invitación para unirte a un grupo! Por favor habilita el experimento de chat grupal en Configuración para ver esta invitación",
     "plainServerDescription": "Te recomendamos que protejas tus servidores de Cwtch con una contraseña. Si no estableces una contraseña en este servidor, cualquiera que tenga acceso a este dispositivo podrá acceder a la información sobre este servidor incluyendo claves criptográficas confidenciales",

lib/l10n/intl_fr.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "fr",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Danois",
     "localeCy": "Gallois",
     "conversationNotificationPolicySettingDescription": "Contrôler le comportement de notification de cette conversation",

lib/l10n/intl_it.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "it",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Danese",
     "localeCy": "Gallese",
     "settingTheme": "Usa Temi Leggeri",

lib/l10n/intl_lb.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "lb",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Danish",
     "localeCy": "Welsh",
     "serverSynced": "Synchroniséiert",

lib/l10n/intl_no.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "no",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Dansk",
     "localeCy": "Walisisk",
     "serverLabel": "Tjener",

lib/l10n/intl_pl.arb

@@ -1,6 +1,7 @@
 {
     "@@locale": "pl",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
+    "deleteConfirmLabel": "Wpisz USUŃ aby potwierdzić",
     "localeLb": "Luksemburski",
     "localeNo": "Norweski",
     "localeEl": "Grecki",
@@ -63,7 +64,6 @@
     "addNewProfileBtn": "Dodaj",
     "deleteConfirmText": "USUŃ",
     "deleteProfileConfirmBtn": "Usuń",
-    "deleteConfirmLabel": "Wpisz USUŃ aby potwierdzić",
     "deleteProfileBtn": "Usuń profil",
     "passwordChangeError": "Zmiana hasła nie powiodła się: hasło niepoprawne",
     "passwordErrorMatch": "Hasła nie są identyczne",

lib/l10n/intl_pt.arb

@@ -1,6 +1,6 @@
 {
     "@@locale": "pt",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
     "localeDa": "Danish",
     "localeCy": "Welsh",
     "localeEl": "Greek",

lib/l10n/intl_ro.arb

@@ -1,6 +1,8 @@
 {
     "@@locale": "ro",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
+    "deleteProfileConfirmBtn": "Sigur ștergeti profilul",
+    "deleteConfirmLabel": "Tastați ȘTERGE pentru a confirma",
     "localeDa": "Daneză",
     "localeCy": "Velşă",
     "conversationNotificationPolicySettingDescription": "Controlați comportamentul de notificare al acestei conversații",
@@ -89,8 +91,6 @@
     "passwordErrorMatch": "Parolele nu se potrivesc",
     "passwordChangeError": "Eroare la schimbarea parolei: Parola furnizată a fost respinsă",
     "deleteProfileBtn": "Ștergeți profilul",
-    "deleteConfirmLabel": "Tastați DELETE pentru a confirma",
-    "deleteProfileConfirmBtn": "Sigur ștergeti profilul",
     "deleteConfirmText": "ȘTERGE",
     "addNewProfileBtn": "Adăugați un profil nou",
     "enterProfilePassword": "Introduceți o parolă pentru a vă vizualiza profilurile",

lib/l10n/intl_ru.arb

@@ -1,6 +1,8 @@
 {
     "@@locale": "ru",
-    "@@last_modified": "2022-03-03T19:10:17+01:00",
+    "@@last_modified": "2022-03-04T17:33:01+01:00",
+    "deleteConfirmLabel": "Введите УДАЛИТЬ, чтобы продолжить",
+    "deleteConfirmText": "УДАЛИТЬ",
     "localeCy": "Валлийский",
     "localeDa": "Датский",
     "localeEl": "Греческий",
@@ -241,9 +243,7 @@
     "password": "Пароль",
     "enterProfilePassword": "Введите пароль для просмотра ваших профилей",
     "addNewProfileBtn": "Добавить новый профиль",
-    "deleteConfirmText": "УДАЛИТЬ",
     "deleteProfileConfirmBtn": "Действительно удалить профиль?",
-    "deleteConfirmLabel": "Введите DELETE чтобы продолжить",
     "deleteProfileBtn": "Удалить профиль",
     "passwordChangeError": "Ошибка при смене пароля: Введенный пароль отклонен",
     "passwordErrorMatch": "Пароли не совпадают",

lib/models/contact.dart

@@ -276,6 +276,11 @@ class ContactInfoState extends ChangeNotifier {
     notifyListeners();
   }
 
+  void errCache(int messageID) {
+    this.messageCache.errCache(messageID);
+    notifyListeners();
+  }
+
   static ConversationNotificationPolicy notificationPolicyFromString(String val) {
     switch (val) {
       case "ConversationNotificationPolicy.Default":

lib/models/messagecache.dart

@@ -1,3 +1,5 @@
+import 'package:flutter/foundation.dart';
+
 import 'message.dart';
 
 class MessageInfo {
@@ -6,7 +8,7 @@ class MessageInfo {
   MessageInfo(this.metadata, this.wrapper);
 }
 
-class MessageCache {
+class MessageCache extends ChangeNotifier {
   late Map<int, MessageInfo> cache;
   late List<int?> cacheByIndex;
   late Map<String, int> cacheByHash;
@@ -35,6 +37,7 @@ class MessageCache {
     if (contenthash != null && contenthash != "") {
       this.cacheByHash[contenthash] = messageID;
     }
+    notifyListeners();
   }
 
   void add(MessageInfo messageInfo, int index, String? contenthash) {
@@ -43,6 +46,7 @@ class MessageCache {
     if (contenthash != null && contenthash != "") {
       this.cacheByHash[contenthash] = messageInfo.metadata.messageID;
     }
+    notifyListeners();
   }
 
   void addUnindexed(MessageInfo messageInfo, String? contenthash) {
@@ -50,9 +54,16 @@ class MessageCache {
     if (contenthash != null && contenthash != "") {
       this.cacheByHash[contenthash] = messageInfo.metadata.messageID;
     }
+    notifyListeners();
   }
 
   void ackCache(int messageID) {
     cache[messageID]?.metadata.ackd = true;
+    notifyListeners();
+  }
+
+  void errCache(int messageID) {
+    cache[messageID]?.metadata.error = true;
+    notifyListeners();
   }
 }

lib/widgets/messagebubble.dart

@@ -30,9 +30,7 @@ class MessageBubbleState extends State<MessageBubble> {
   @override
   Widget build(BuildContext context) {
     var fromMe = Provider.of<MessageMetadata>(context).senderHandle == Provider.of<ProfileInfoState>(context).onion;
-    var prettyDate = "";
     var borderRadiousEh = 15.0;
-    // var myKey = Provider.of<MessageState>(context).profileOnion + "::" + Provider.of<MessageState>(context).contactHandle + "::" + Provider.of<MessageState>(context).messageIndex.toString();
     var showClickableLinks = Provider.of<Settings>(context).isExperimentEnabled(ClickableLinksExperiment);
 
     DateTime messageDate = Provider.of<MessageMetadata>(context).timestamp;

lib/widgets/messagelist.dart

@@ -87,7 +87,10 @@ class _MessageListState extends State<MessageList> {
                                   builder: (context, snapshot) {
                                     if (snapshot.hasData) {
                                       var message = snapshot.data as Message;
-                                      var key = Provider.of<ContactInfoState>(outerContext, listen: false).getMessageKey(contactHandle, message.getMetadata().messageID);
+                                      // here we create an index key for the contact and assign it to the row. Indexes are unique so we can
+                                      // reliably use this without running into duplicate keys...it isn't ideal as it means keys need to be re-built
+                                      // when new messages are added...however it is better than the alternative of not having widget keys at all.
+                                      var key = Provider.of<ContactInfoState>(outerContext, listen: false).getMessageKey(contactHandle, messageIndex);
                                       return message.getWidget(context, key);
                                     } else {
                                       return MessageLoadingBubble();

lib/widgets/messagerow.dart

@@ -63,10 +63,7 @@ class MessageRowState extends State<MessageRow> with SingleTickerProviderStateMi
     var actualMessage = Flexible(flex: Platform.isAndroid ? 10 : 3, fit: FlexFit.loose, child: widget.child);
 
     _dragAffinity = fromMe ? Alignment.centerRight : Alignment.centerLeft;
-
+    _dragAlignment = fromMe ? Alignment.centerRight : Alignment.centerLeft;
-    if (_dragAlignment == Alignment.center) {
-      _dragAlignment = fromMe ? Alignment.centerRight : Alignment.centerLeft;
-    }
 
     var senderDisplayStr = "";
     if (!fromMe) {