railway provider for concessionrequests made and some stuff

lib/models/concession_request_model/concession_request_model.dart

@@ -6,7 +6,7 @@ part 'concession_request_model.g.dart';
 @JsonSerializable()
 class ConcessionRequestModel {
   @JsonKey(name: "passNum")
-  int? passNum;
+  final String? passNum;
   @JsonKey(name: "status")
   final String status;
   @JsonKey(name: "statusMessage")

lib/new_ui/screens/railway_screen/railway_screen.dart

@@ -9,6 +9,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:intl/intl.dart';
 import 'package:tsec_app/models/concession_details_model/concession_details_model.dart';
+import 'package:tsec_app/models/concession_request_model/concession_request_model.dart';
 // import 'package:tsec_app/models/concession_request_model/concession_request_model.dart';
 import 'package:tsec_app/models/student_model/student_model.dart';
 import 'package:tsec_app/new_ui/screens/railway_screen/railwayform.dart';
@@ -17,6 +18,7 @@ import 'package:tsec_app/new_ui/screens/railway_screen/widgets/railway_dropdown_
 import 'package:tsec_app/new_ui/screens/railway_screen/widgets/railway_dropdown_field.dart';
 import 'package:tsec_app/provider/auth_provider.dart';
 import 'package:tsec_app/provider/concession_provider.dart';
+import 'package:tsec_app/provider/concession_request_provider.dart';
 import 'package:tsec_app/provider/railway_concession_provider.dart';
 import 'package:tsec_app/new_ui/screens/railway_screen/widgets/railway_text_field.dart';
 import 'package:tsec_app/utils/railway_enum.dart';
@@ -429,7 +431,8 @@ class _RailwayConcessionScreenState
     Size size = MediaQuery.of(context).size;
     bool editMode = ref.watch(railwayConcessionOpenProvider);
     ConcessionDetailsModel? concessionDetails = ref.watch(concessionDetailsProvider);
-
+    ConcessionRequestModel? concessionRequestData = ref.watch(concessionRequestDetailProvider);
+    print(concessionRequestData.toString());
     String formattedDate = lastPassIssued != null
         ? DateFormat('dd/MM/yyyy').format(lastPassIssued!)
         : '';
@@ -475,7 +478,7 @@ class _RailwayConcessionScreenState
             SizedBox(
               height: 15,
             ),
-            if (lastPassIssued != null)
+            if (1==1)
               Container(
                 width: size.width * 0.8,
                 child: Column(
@@ -502,7 +505,7 @@ class _RailwayConcessionScreenState
                         crossAxisAlignment: CrossAxisAlignment.start,
                         children: [
                           Text(
-                            "Certificate Num: Z####",
+                            "Certificate Num: ${concessionRequestData!=null?concessionRequestData.passNum:"not assigned"}",
                             style: TextStyle(fontSize: 16, color: Colors.white),
                           ),
                           SizedBox(

lib/provider/auth_provider.dart

@@ -11,6 +11,7 @@ import 'package:tsec_app/models/notification_model/notification_model.dart';
 import 'package:tsec_app/models/student_model/student_model.dart';
 import 'package:tsec_app/models/user_model/user_model.dart';
 import 'package:tsec_app/provider/concession_provider.dart';
+import 'package:tsec_app/provider/concession_request_provider.dart';
 import 'package:tsec_app/provider/firebase_provider.dart';
 import 'package:tsec_app/provider/notes_provider.dart';
 import 'package:tsec_app/provider/notification_provider.dart';
@@ -123,6 +124,7 @@ class AuthProvider extends StateNotifier<bool> {
             .watch(authProvider.notifier)
             .updateStudentTimeTableData(userModel.studentModel, ref);
         await ref.watch(concessionProvider.notifier).getConcessionData();
+        await ref.watch(concessionRequestProvider.notifier).getConcessionRequestData();
       }
       await ref.watch(subjectsProvider.notifier).fetchSubjects();
       await ref.watch(authProvider.notifier).fetchProfilePic();

lib/provider/concession_provider.dart

@@ -77,4 +77,5 @@ class ConcessionProvider extends StateNotifier<bool> {
     // debugPrint("concession: ${concessionDetailsData?.firstName}");
     _ref.read(concessionDetailsProvider.notifier).state = concessionDetailsData;
   }
+
 }

lib/provider/concession_request_provider.dart

@@ -0,0 +1,42 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:tsec_app/models/concession_request_model/concession_request_model.dart';
+import 'package:tsec_app/services/concession_service.dart';
+
+final concessionRequestDetailProvider = StateProvider<ConcessionRequestModel?>((ref) {
+  return null;
+});
+
+
+final concessionRequestProvider = StateNotifierProvider<ConcessionRequestProvider, bool>((ref) {
+  return ConcessionRequestProvider(
+      concessionService: ref.watch(concessionServiceProvider), ref: ref);
+});
+
+
+
+class ConcessionRequestProvider extends StateNotifier<bool> {
+  final ConcessionService _concessionService;
+  final Ref _ref;
+
+  ConcessionRequestProvider({required ConcessionService concessionService, required Ref ref})
+      : _concessionService = concessionService,
+        _ref = ref,
+        super(false);
+
+  Future<void> getConcessionRequestData() async {
+    try {
+      ConcessionRequestModel? concessionRequestDetail =
+      await _concessionService.getConcessionRequest();
+
+      _ref.read(concessionRequestDetailProvider.notifier).state = concessionRequestDetail;
+
+
+    } catch (e) {
+      print("Error fetching concession request detail data: $e");
+      // Handle error here
+    }
+  }
+}

lib/services/concession_service.dart

@@ -74,6 +74,32 @@ class ConcessionService {
     }
   }
 
+  Future<ConcessionRequestModel?> getConcessionRequest() async {
+    try {
+      var value = await concessionRequestCollection.doc(user!.uid).get();
+      print('concession requests are being fetched ');
+      print(value.data());
+      if (value.exists) {
+        print("11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111");
+        print("if");
+        var detailsMap = value.data() as Map<String, dynamic>;
+        ConcessionRequestModel concessionRequestData =
+        ConcessionRequestModel.fromJson(detailsMap);
+
+        return concessionRequestData;
+      } else {
+
+        // Document does not exist
+        return null;
+      }
+    } catch (error) {
+
+      // Handle any errors that might occur during the Firestore operation
+      print("Error fetching concession request: $error");
+      return null;
+    }
+  }
+
   Future<String> uploadPhoto(File file, String docName) async {
 // idCard
 // prevpass