chnages was made

lib/screens/request_advance_scrren.dart

@@ -3,6 +3,8 @@ import 'package:flutter_svg/flutter_svg.dart';
 import '../widgets/app_background.dart';
 import '../widgets/settings_bar.dart';
 import '../widgets/onboarding_button.dart';
+import '../models/advance_request.dart';
+import '../services/request_service.dart';
 
 class RequestAdvanceScreen extends StatefulWidget {
   const RequestAdvanceScreen({super.key});
@@ -18,6 +20,56 @@ class _RequestAdvanceScreenState extends State<RequestAdvanceScreen> {
   // Text controller for reason
   final TextEditingController reasonController = TextEditingController();
 
+  final RequestService _requestService = RequestService();
+
+  // Method to save the advance request
+  Future<void> _saveAdvanceRequest() async {
+    if (amountController.text.isEmpty || reasonController.text.isEmpty) {
+      // Show an error message if fields are empty
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('الرجاء إدخال جميع الحقول'),
+          backgroundColor: Colors.red,
+        ),
+      );
+      return;
+    }
+
+    // Parse the amount to double
+    final amount = double.tryParse(amountController.text);
+    if (amount == null || amount <= 0) {
+      // Show an error message if amount is invalid
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('الرجاء إدخال مبلغ صحيح'),
+          backgroundColor: Colors.red,
+        ),
+      );
+      return;
+    }
+
+    // Create a new advance request
+    final advanceRequest = AdvanceRequest(
+      id: DateTime.now().millisecondsSinceEpoch.toString(),
+      amount: amount,
+      reason: reasonController.text,
+    );
+
+    // Save the advance request
+    await _requestService.addAdvanceRequest(advanceRequest);
+
+    // Show a success message
+    ScaffoldMessenger.of(context).showSnackBar(
+      const SnackBar(
+        content: Text('تم إرسال طلب السلفة بنجاح'),
+        backgroundColor: Colors.green,
+      ),
+    );
+
+    // Navigate back to the previous screen
+    Navigator.pop(context);
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -155,7 +207,8 @@ class _RequestAdvanceScreenState extends State<RequestAdvanceScreen> {
                               controller: reasonController,
                               maxLines: 5,
                               textAlign:
-                              TextAlign.right, // Added this to align text to the right
+                                  TextAlign
+                                      .right, // Added this to align text to the right
                               decoration: const InputDecoration(
                                 border: InputBorder.none,
                                 hintText:
@@ -175,7 +228,7 @@ class _RequestAdvanceScreenState extends State<RequestAdvanceScreen> {
                           text: "تأكيد الطلب",
                           backgroundColor: const Color(0xFFD1FEF0),
                           textColor: Colors.black,
-                          onPressed: () {},
+                          onPressed: _saveAdvanceRequest, // Call the save method
                         ),
                       ),
 
@@ -190,4 +243,4 @@ class _RequestAdvanceScreenState extends State<RequestAdvanceScreen> {
       ),
     );
   }
-}
+}