ui: (Kinda) make the last message text work

lib/models/conversation.dart

@@ -5,4 +5,13 @@ class Conversation {
   final String jid;
 
   const Conversation({ required this.title, required this.lastMessageBody, required this.avatarUrl, required this.jid });
+
+  Conversation copyWith({ String? lastMessageBody }) {
+    return Conversation(
+      title: this.title,
+      lastMessageBody: lastMessageBody ?? this.lastMessageBody,
+      avatarUrl: this.avatarUrl,
+      jid: this.jid
+    );
+  }
 }

lib/redux/conversation/actions.dart

@@ -4,6 +4,7 @@ class AddMessageAction extends MessageAction {
   final String body;
   final String timestamp;
   final String from;
+  final String jid;
 
-  AddMessageAction({ required this.from, required this.body, required this.timestamp });
+  AddMessageAction({ required this.from, required this.body, required this.timestamp, required this.jid });
 }

lib/redux/conversation/reducers.dart

@@ -14,14 +14,13 @@ HashMap<String, List<Message>> messageReducer(HashMap<String, List<Message>> sta
       sent: true
     );
     
-    // TODO
-    if (!map.containsKey("")) {
-      map[""] = [ msg ];
+    String jid = action.jid;
+    if (!map.containsKey(jid)) {
+      map[jid] = [ msg ];
       return map;
     }
 
-    // TODO
-    map[""]!.add(msg);
+    map[jid]!.add(msg);
     return map;
   }
 

lib/redux/conversations/reducers.dart

@@ -1,5 +1,6 @@
 import "package:moxxyv2/models/conversation.dart";
 import "package:moxxyv2/redux/conversations/actions.dart";
+import "package:moxxyv2/redux/conversation/actions.dart";
 
 List<Conversation> conversationReducer(List<Conversation> state, dynamic action) {
   if (action is AddConversationAction) {
@@ -9,6 +10,14 @@ List<Conversation> conversationReducer(List<Conversation> state, dynamic action)
         avatarUrl: action.avatarUrl,
         jid: action.jid
     ));
+  } else if (action is AddMessageAction) {
+    return state.map((element) {
+        if (element.jid == action.jid) {
+          return element.copyWith(lastMessageBody: action.body);
+        }
+
+        return element;
+    }).toList();
   }
 
   return state;

lib/repositories/conversations.dart

@@ -7,13 +7,13 @@ class ConversationRepository {
       // TODO: Remove
       "houshou.marine@hololive.tv": Conversation(
         title: "Houshou Marine",
-        lastMessageBody: "UwU",
+        lastMessageBody: "",
         avatarUrl: "https://vignette.wikia.nocookie.net/virtualyoutuber/images/4/4e/Houshou_Marine_-_Portrait.png/revision/latest?cb=20190821035347",
         jid: "houshou.marine@hololive.tv"
       ),
       "nakiri.ayame@hololive.tv": Conversation(
         title: "Nakiri Ayame",
-        lastMessageBody: "Yodayo~",
+        lastMessageBody: "",
         avatarUrl: "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi.pinimg.com%2Foriginals%2F2a%2F77%2F0a%2F2a770a77b0d873331583dfb88b05829f.jpg&f=1&nofb=1",
         jid: "nakiri.ayame@hololive.tv"
       )

lib/ui/pages/conversation.dart

@@ -88,17 +88,19 @@ class _ConversationPageState extends State<ConversationPage> {
     var args = ModalRoute.of(context)!.settings.arguments as ConversationPageArguments;
 
     Conversation conversation = GetIt.I.get<ConversationRepository>().getConversation(args.jid)!;
+    String jid = conversation.jid;
     
     return StoreConnector<MoxxyState, _MessageListViewModel>(
       converter: (store) => _MessageListViewModel(
         // TODO
-        messages: store.state.messages.containsKey("") ? store.state.messages[""]! : [],
+        messages: store.state.messages.containsKey(jid) ? store.state.messages[jid]! : [],
         sendMessage: (body) => store.dispatch(
           // TODO
           AddMessageAction(
             from: "UwU",
             timestamp: "12:00",
             body: body,
+            jid: jid
           )
         )
       ),

lib/ui/pages/newconversation.dart

@@ -25,6 +25,8 @@ class NewConversationPage extends StatelessWidget {
 
     if (conversation == null) {
       // TODO
+      // TODO: Install a middleware to make sure that the conversation gets added to the
+      //       repository. Also handle updates
       conversation = Conversation(
         title: jid,
         jid: jid,

lib/ui/widgets/conversation.dart

@@ -40,6 +40,7 @@ class ConversationsListRow extends StatelessWidget {
                 this.name,
                 style: TextStyle(fontWeight: FontWeight.bold, fontSize: 17),
               ),
+              // TODO: Change color, font size and truncate the text when too long
               Text(this.lastMessageBody)
             ]
           )