Initial commit with Flutter and Node.js code

2026-05-18 14:04:39 +03:00
commit a60a173b51
21 changed files with 3107 additions and 0 deletions
--- a/whatsapp_app/lib/screens/conversations_screen.dart
+++ b/whatsapp_app/lib/screens/conversations_screen.dart
@@ -0,0 +1,163 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import '../controllers/conversations_controller.dart';
+import '../services/whatsapp_service.dart';
+import '../theme/app_theme.dart';
+import '../widgets/conversation_tile.dart';
+import 'qr_screen.dart';
+import 'chat_screen.dart';
+import '../models/conversation_model.dart';
+
+class ConversationsScreen extends StatelessWidget {
+  const ConversationsScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final svc  = Get.find<WhatsAppService>();
+    final ctrl = Get.put(ConversationsController());
+
+    return Scaffold(
+      backgroundColor: AppTheme.background,
+      appBar: _buildAppBar(ctrl),
+      body: Obx(() {
+        // Not connected
+        if (svc.status.value == WsStatus.disconnected ||
+            svc.status.value == WsStatus.connecting) {
+          return _buildConnecting();
+        }
+        // QR Code needed
+        if (svc.qrData.value != null) {
+          return const QrView();
+        }
+        // Loading conversations
+        if (ctrl.isLoading.value) {
+          return const Center(
+            child: CircularProgressIndicator(color: AppTheme.primary),
+          );
+        }
+        // Error
+        if (ctrl.errorMessage.value != null) {
+          return _buildError(ctrl);
+        }
+        // Empty
+        if (ctrl.conversations.isEmpty) {
+          return _buildEmpty();
+        }
+        // List
+        return _buildList(ctrl);
+      }),
+    );
+  }
+
+  AppBar _buildAppBar(ConversationsController ctrl) {
+    final searching = false.obs;
+
+    return AppBar(
+      backgroundColor: AppTheme.surface,
+      title: Obx(() => searching.value
+          ? TextField(
+              autofocus: true,
+              style: const TextStyle(color: AppTheme.textPrimary),
+              decoration: const InputDecoration(
+                hintText: 'Search...',
+                border: InputBorder.none,
+                hintStyle: TextStyle(color: AppTheme.textSecondary),
+              ),
+              onChanged: ctrl.search,
+            )
+          : const Text('WhatsApp', style: TextStyle(color: AppTheme.textPrimary))),
+      actions: [
+        Obx(() => IconButton(
+          icon: Icon(
+            searching.value ? Icons.close : Icons.search,
+            color: AppTheme.iconColor,
+          ),
+          onPressed: () {
+            searching.value = !searching.value;
+            if (!searching.value) ctrl.loadConversations();
+          },
+        )),
+        PopupMenuButton<String>(
+          icon: const Icon(Icons.more_vert, color: AppTheme.iconColor),
+          color: AppTheme.surface,
+          onSelected: (v) {
+            if (v == 'refresh') ctrl.loadConversations();
+          },
+          itemBuilder: (_) => [
+            const PopupMenuItem(
+              value: 'refresh',
+              child: Text('Refresh', style: TextStyle(color: AppTheme.textPrimary)),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+
+  Widget _buildConnecting() => Center(
+    child: Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        const CircularProgressIndicator(color: AppTheme.primary),
+        const SizedBox(height: 16),
+        Text(
+          'Connecting to server...',
+          style: TextStyle(color: AppTheme.textSecondary),
+        ),
+      ],
+    ),
+  );
+
+  Widget _buildError(ConversationsController ctrl) => Center(
+    child: Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        const Icon(Icons.error_outline, color: Colors.redAccent, size: 48),
+        const SizedBox(height: 12),
+        Text(
+          ctrl.errorMessage.value ?? 'Error',
+          style: const TextStyle(color: AppTheme.textSecondary),
+          textAlign: TextAlign.center,
+        ),
+        const SizedBox(height: 16),
+        ElevatedButton(
+          onPressed: ctrl.loadConversations,
+          style: ElevatedButton.styleFrom(backgroundColor: AppTheme.primary),
+          child: const Text('Retry'),
+        ),
+      ],
+    ),
+  );
+
+  Widget _buildEmpty() => const Center(
+    child: Text(
+      'No conversations found',
+      style: TextStyle(color: AppTheme.textSecondary),
+    ),
+  );
+
+  Widget _buildList(ConversationsController ctrl) {
+    return RefreshIndicator(
+      color: AppTheme.primary,
+      backgroundColor: AppTheme.surface,
+      onRefresh: ctrl.loadConversations,
+      child: ListView.builder(
+        itemCount: ctrl.conversations.length,
+        itemBuilder: (_, i) {
+          final chat = ctrl.conversations[i];
+          return ConversationTile(
+            conversation: chat,
+            onTap: () => _openChat(chat),
+          );
+        },
+      ),
+    );
+  }
+
+  void _openChat(ConversationModel chat) {
+    Get.to(
+      () => ChatScreen(conversation: chat),
+      transition: Transition.rightToLeft,
+    );
+  }
+}