ui: Re-implement the new conversation page

lib/ui/handler.dart

@@ -11,7 +11,9 @@ import "package:moxxyv2/ui/redux/account/state.dart";
 import "package:moxxyv2/ui/redux/account/actions.dart";
 import "package:moxxyv2/ui/redux/debug/actions.dart";
 import "package:moxxyv2/ui/redux/preferences/actions.dart";
+import "package:moxxyv2/ui/pages/conversation/arguments.dart";
 
+import "package:flutter/material.dart";
 import "package:get_it/get_it.dart";
 import "package:flutter_background_service/flutter_background_service.dart";
 import "package:redux/redux.dart";
@@ -51,6 +53,7 @@ void handleBackgroundServiceData(Map<String, dynamic>? data) {
         if (event.permissionsToRequest.isNotEmpty) {
           (() async {
               for (final perm in event.permissionsToRequest) {
+                // TODO: Use the function that requests multiple permissions at once
                 await Permission.byValue(perm).request();
               }
           })();
@@ -162,5 +165,20 @@ void handleBackgroundServiceData(Map<String, dynamic>? data) {
       GetIt.I.get<UIDownloadService>().onProgress(event.id, event.progress);
     }
     break;
+    case events.newConversationDoneEventType: {
+      final event = events.NewConversationDoneEvent.fromJson(data);
+
+      FlutterBackgroundService().sendData(
+        commands.LoadMessagesForJidAction(jid: event.jid).toJson()
+      );
+
+      store.dispatch(NavigateToAction.pushNamedAndRemoveUntil(
+          conversationRoute,
+          ModalRoute.withName(conversationsRoute),
+          arguments: ConversationPageArguments(jid: event.jid)
+        )
+      );
+    }
+    break;
   }
 }

lib/ui/redux/conversations/middlewares.dart

@@ -1,14 +1,39 @@
+import "package:moxxyv2/ui/constants.dart";
+import "package:moxxyv2/shared/commands.dart" as commands;
 import "package:moxxyv2/ui/redux/state.dart";
 import "package:moxxyv2/ui/redux/conversation/actions.dart";
+import "package:moxxyv2/ui/pages/conversation/arguments.dart";
 
+import "package:flutter/material.dart";
 import "package:redux/redux.dart";
+import "package:flutter_background_service/flutter_background_service.dart";
+import "package:flutter_redux_navigation/flutter_redux_navigation.dart";
 
 void conversationsMiddleware(Store<MoxxyState> store, action, NextDispatcher next) async {
-  // TODO: I think this all has to go
   if (action is AddConversationFromUIAction) {
-    // TODO: Notify the backend
-  } else if (action is CloseConversationAction) {
-    // TODO: Notify the backend
+    final jid = action.jid;
+    if (store.state.conversations.containsKey(jid)) {
+      // Just go there
+      FlutterBackgroundService().sendData(
+        commands.LoadMessagesForJidAction(jid: jid).toJson()
+      );
+
+      store.dispatch(NavigateToAction.pushNamedAndRemoveUntil(
+          conversationRoute,
+          ModalRoute.withName(conversationsRoute),
+          arguments: ConversationPageArguments(jid: jid)
+        )
+      );
+    } else {
+      FlutterBackgroundService().sendData(
+        commands.AddConversationAction(
+          jid: action.jid,
+          title: action.title,
+          avatarUrl: action.avatarUrl,
+          lastMessageBody: action.lastMessageBody
+        ).toJson()
+      );
+    }
   }
 
   next(action);