From d05d30a79110e24c7dc54c7fc7541ab873de118f Mon Sep 17 00:00:00 2001
From: JEEVITHA KANNAN K S <ksjeevithakannan123@gmail.com>
Date: Wed, 23 Oct 2024 15:45:51 +0530
Subject: [PATCH] feat: display vehicle number if approved

---
 lib/screens/home_screen.dart       | 26 +++++++++++++++++++++++++-
 lib/services/database_service.dart | 21 +++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/lib/screens/home_screen.dart b/lib/screens/home_screen.dart
index 2be39cf..0dc0e13 100644
--- a/lib/screens/home_screen.dart
+++ b/lib/screens/home_screen.dart
@@ -45,6 +45,8 @@ class HomeScreenState extends State<HomeScreen> {
   String? _selectedPurpose;
   String? _otherPurposeText;
 
+  String? _vehicleNumber;
+
   final List<String> _locations = [
     'Gate A',
     'Gate B',
@@ -168,8 +170,17 @@ class HomeScreenState extends State<HomeScreen> {
         final requestData = snapshot.data;
         final requestStatus =
             requestData?['status'] ?? 'No recent request found';
+        final requestId = requestData?['requestId'];
         final canSubmit = requestStatus != 'pending';
 
+        if (requestStatus == 'approved' && requestId != null) {
+          _databaseService.getVehicleNumber(requestId).then((vehicleNumber) {
+            setState(() {
+              _vehicleNumber = vehicleNumber;
+            });
+          });
+        }
+
         // Add cancel button logic
         if (requestStatus == 'pending' || requestStatus == 'approved') {
           Widget _ = ElevatedButton(
@@ -266,7 +277,20 @@ class HomeScreenState extends State<HomeScreen> {
                                     onPressed: () => cancelRequest(),
                                     child: const Text('Cancel Request'),
                                   ),
-                                )
+                                ),
+                              if (requestStatus == 'approved')
+                                Padding(
+                                  padding: const EdgeInsets.only(top: 10),
+                                  child: Text(
+                                    'Vehicle Number: ${_vehicleNumber ?? 'Loading...'}',
+                                    style: const TextStyle(
+                                      fontSize: 18,
+                                      fontWeight: FontWeight.bold,
+                                      color: Colors.white,
+                                    ),
+                                    textAlign: TextAlign.center,
+                                  ),
+                                ),
                             ],
                           ),
                         ),
diff --git a/lib/services/database_service.dart b/lib/services/database_service.dart
index b370c08..1a3fcd3 100644
--- a/lib/services/database_service.dart
+++ b/lib/services/database_service.dart
@@ -35,6 +35,27 @@ class DatabaseService {
     });
   }
 
+  Future<String> getVehicleNumber(String documentId) async {
+    try {
+      DocumentSnapshot docSnapshot = await FirebaseFirestore.instance
+          .collection('bookings')
+          .doc(documentId)
+          .get();
+
+      if (docSnapshot.exists) {
+        String vehicleNumber = docSnapshot.get('vehicleNumber');
+        return vehicleNumber;
+      } else {
+        print('Error document does not exist');
+        return 'Error';
+      }
+    } catch (e) {
+      print('Error getting document: $e');
+      return 'Error';
+    }
+  }
+
+
   final FirebaseFirestore _db = FirebaseFirestore.instance;
 
   Future<void> createRequest(