Merge pull request #34 from aninarafath6/admin

batch  functions :- admin 🔢

arnhss-app/lib/common/routes/app_routes.dart

@@ -1,5 +1,8 @@
 import 'package:arnhss/common/routes/index_routes.dart';
+import 'package:arnhss/features/users/admin/admission/model/batch_model.dart';
+import 'package:arnhss/features/users/admin/admission/model/course_model.dart';
 import 'package:arnhss/features/users/admin/admission/views/admission_view.dart';
+import 'package:arnhss/features/users/admin/admission/views/batch_view.dart';
 import 'package:arnhss/features/users/admin/home.admin/views/notice.view.admin.dart';
 import 'package:arnhss/features/users/role_wrapper.dart';
 import 'package:arnhss/features/users/student/profile/view/profile_view.dart';
@@ -22,6 +25,11 @@ class AppRoutes {
         return MaterialPageRoute(builder: (_) => const NoticeView());
       case AdmissionView.routeName:
         return MaterialPageRoute(builder: (_) => const AdmissionView());
+      case BatchView.routeName:
+        return MaterialPageRoute(builder: (_) {
+          final Course args = settings.arguments as Course;
+          return BatchView(selectedCourse: args);
+        });
 
       // case UserRole.routeName:
       //   return MaterialPageRoute(builder: (_) => const UserRole());

arnhss-app/lib/common/widgets/custom_modal.dart

@@ -7,6 +7,7 @@ import 'package:arnhss/extensions/string_extension.dart';
 import 'package:arnhss/features/authentication/login/view_model/login_view_model.dart';
 import 'package:arnhss/features/authentication/otp_verification/view/index.dart';
 import 'package:arnhss/features/users/admin/admission/view_model/admission_view_model.dart';
+import 'package:arnhss/features/users/admin/admission/view_model/batch_view_model.dart';
 import 'package:arnhss/features/users/view_model/notice_view_model.dart';
 import 'package:flutter/cupertino.dart';
 
@@ -124,6 +125,43 @@ Future<dynamic> courseModal(
   );
 }
 
+Future<dynamic> batchModal(
+  BuildContext context, {
+  required String content,
+  required String title,
+  String deny = 'EDIT',
+  required Widget done,
+  VoidCallback? onDeny,
+  VoidCallback? onDone,
+}) {
+  return showDialog(
+    context: context,
+    builder: (context) {
+      return AlertDialog(
+        title: Text(title),
+        content: Text(
+          content,
+          style: CustomTextTheme(context: context)
+              .paragraph()
+              .copyWith(fontSize: 15),
+        ),
+        actions: [
+          TextButton(onPressed: onDeny, child: Text(deny)),
+          TextButton(
+            onPressed: onDone,
+            child: Provider.of<BatchViewModel>(context).getDeleteLoading
+                ? const CupertinoActivityIndicator(
+                    color: CustomColors.dark,
+                  )
+                : done,
+          ),
+        ],
+        actionsAlignment: MainAxisAlignment.spaceBetween,
+      );
+    },
+  );
+}
+
 customModal<T>(
   BuildContext context, {
   required String content,

arnhss-app/lib/common/widgets/custom_selector.dart

@@ -42,7 +42,7 @@ class CustomSelector extends StatelessWidget {
                       fontSize: 13,
                     ),
                   ),
-                  // SizedBox(height: 2),
+                  const SizedBox(height: 2),
                   Text(
                     content ?? "",
                     style: const TextStyle(

arnhss-app/lib/features/users/admin/admission/model/batch_model.dart

@@ -0,0 +1,39 @@
+// ignore_for_file: non_constant_identifier_names
+
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+class Batch {
+  final String id;
+  late final String code;
+  final String name;
+  final DateTime startDate;
+  final DateTime endDate;
+
+  Batch({
+    required this.name,
+    required this.code,
+    required this.id,
+    required this.endDate,
+    required this.startDate,
+  });
+
+  Map<String, dynamic> toMap() => {
+        "code": code.toUpperCase(),
+        "name": name,
+        "start_date": Timestamp.fromDate(startDate),
+        "end_date": Timestamp.fromDate(endDate),
+      };
+
+  factory Batch.fromMap(Map<String, dynamic> batchMap) {
+    Timestamp _startDate = batchMap["start_date"] as Timestamp;
+    Timestamp _endDate = batchMap["end_date"] as Timestamp;
+
+    return Batch(
+      id: batchMap["id"],
+      name: batchMap["name"].toString().toUpperCase(),
+      code: batchMap["code"].toString(),
+      startDate: _startDate.toDate(),
+      endDate: _endDate.toDate(),
+    );
+  }
+}

arnhss-app/lib/features/users/admin/admission/repo/admission_service.dart

@@ -1,6 +1,7 @@
 import 'dart:developer';
 
 import 'package:arnhss/common/routes/index_routes.dart';
+import 'package:arnhss/features/users/admin/admission/model/batch_model.dart';
 import 'package:arnhss/features/users/admin/admission/model/course_model.dart';
 import 'package:arnhss/services/base/exception/app_exceptions.dart';
 import 'package:arnhss/services/base/exception/handle_exception.dart';
@@ -78,4 +79,71 @@ class AdmissionService with HandleException {
       handleException(e);
     }
   }
+
+  //* batch service
+
+  Future<List<Batch>?> getBatches(Course course) async {
+    try {
+      //* fetching sorted course data by course code
+      QuerySnapshot<Map<String, dynamic>> querySnapshot = await _firestore
+          .collection("course/${course.id}/batches")
+          .orderBy("code")
+          .get();
+
+      return querySnapshot.docs
+          .map((e) => Batch.fromMap(
+                {
+                  ...e.data(),
+                  "id": e.id,
+                },
+              ))
+          .toList();
+    } catch (e) {
+      print(e);
+      handleException(
+          InvalidException("Something wrong with course 🤯", false));
+      return null;
+    }
+  }
+
+  Future<Batch?> addBatch(Batch newBatch, {required String courseId}) async {
+    try {
+      CollectionReference collectionRef =
+          _firestore.collection("course/$courseId/batches");
+
+      DocumentReference docRef = await collectionRef.add(newBatch.toMap());
+      var data = await docRef.get();
+
+      return Batch.fromMap(
+        {
+          ...(data.data() as Map<String, dynamic>),
+          "id": docRef.id,
+        },
+      );
+    } catch (e) {
+      handleException(
+        InvalidException(
+          "Batch cannot be added because there is something wrong with them 🤯",
+          false,
+        ),
+      );
+      return null;
+    }
+  }
+
+  Future<void> deleteBatch(Batch batch, {required String courseId}) async {
+    try {
+      CollectionReference collectionReference =
+          _firestore.collection("course/$courseId/batches");
+      collectionReference.doc(batch.id).delete().then((value) {
+        debugPrint("batch deleted successfully");
+        return null;
+      }).catchError((onError) {
+        debugPrint("batch is not deleted");
+        throw InvalidException("batch deletion failed..😟", false);
+      });
+    } catch (e) {
+      handleException(e);
+    }
+  }
 }

arnhss-app/lib/features/users/admin/admission/view_model/admission_view_model.dart

@@ -104,7 +104,6 @@ class AdmissionViewModel with ChangeNotifier, HandleException {
   }
 
   //* add course functionality
-
   Future<bool> addCourse() async {
     bool isValid = validate();