Sync update: 2026-05-18 15:45:06

whatsapp_app/lib/controllers/conversations_controller.dart

@@ -1,5 +1,7 @@
 import 'dart:async';
+import 'dart:convert';
 import 'package:get/get.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import '../services/whatsapp_service.dart';
 import '../models/conversation_model.dart';
 
@@ -18,6 +20,9 @@ class ConversationsController extends GetxController {
   void onInit() {
     super.onInit();
     
+    // Load local cached conversations first for instant UI response
+    _loadCachedConversations();
+    
     // Load conversations initially if already ready
     if (_svc.isWaReady.value) {
       loadConversations();
@@ -44,9 +49,34 @@ class ConversationsController extends GetxController {
     super.onClose();
   }
 
+  // ── Local Caching ────────────────────────────────────────────────────────
+  Future<void> _loadCachedConversations() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final cached = prefs.getString('cached_conversations');
+      if (cached != null) {
+        final List<dynamic> decoded = jsonDecode(cached);
+        conversations.assignAll(decoded.map((c) => ConversationModel.fromJson(c as Map<String, dynamic>)));
+        print('[CACHE] Loaded ${conversations.length} conversations instantly.');
+      }
+    } catch (e) {
+      print('[CACHE ERROR] $e');
+    }
+  }
+
+  Future<void> _saveConversationsToCache(List<dynamic> rawData) async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setString('cached_conversations', jsonEncode(rawData));
+      print('[CACHE] Saved ${rawData.length} conversations to local cache.');
+    } catch (e) {
+      print('[CACHE SAVE ERROR] $e');
+    }
+  }
+
   // ── Load Conversations ───────────────────────────────────────────────────
   Future<void> loadConversations() async {
-    if (!_svc.isWaReady.value) return;
+    if (!_svc.isWaReady.value || isLoading.value) return;
     
     isLoading.value = true;
     errorMessage.value = null;
@@ -56,6 +86,7 @@ class ConversationsController extends GetxController {
       if (res['type'] == 'conversations') {
         final List<dynamic> data = res['data'] ?? [];
         conversations.assignAll(data.map((c) => ConversationModel.fromJson(c as Map<String, dynamic>)));
+        _saveConversationsToCache(data);
       } else {
         errorMessage.value = res['message'] ?? 'Failed to load conversations';
       }
@@ -159,6 +190,7 @@ class ConversationsController extends GetxController {
       if (res['type'] == 'conversations') {
         final List<dynamic> data = res['data'] ?? [];
         conversations.assignAll(data.map((c) => ConversationModel.fromJson(c as Map<String, dynamic>)));
+        _saveConversationsToCache(data);
       }
     } catch (_) {}
   }