101 lines
3.7 KiB
Dart
101 lines
3.7 KiB
Dart
import 'dart:async';
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import '../models/leave_request.dart';
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import '../models/advance_request.dart';
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class RequestService {
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// Singleton implementation
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static final RequestService _instance = RequestService._internal();
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factory RequestService() => _instance;
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RequestService._internal();
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final List<LeaveRequest> _leaveRequests = [];
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final List<AdvanceRequest> _advanceRequests = [];
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// Stream controllers to notify listeners of changes
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final _leaveRequestsController = StreamController<List<LeaveRequest>>.broadcast();
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final _advanceRequestsController = StreamController<List<AdvanceRequest>>.broadcast();
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// Stream getters
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Stream<List<LeaveRequest>> get leaveRequestsStream => _leaveRequestsController.stream;
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Stream<List<AdvanceRequest>> get advanceRequestsStream => _advanceRequestsController.stream;
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// Get all leave requests as a Future
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Future<List<LeaveRequest>> getLeaveRequests() async {
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print("Getting ${_leaveRequests.length} leave requests");
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return List.from(_leaveRequests);
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}
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// Get all advance requests as a Future
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Future<List<AdvanceRequest>> getAdvanceRequests() async {
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print("Getting ${_advanceRequests.length} advance requests");
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return List.from(_advanceRequests);
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}
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// Add a new leave request
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Future<void> addLeaveRequest(LeaveRequest request) async {
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_leaveRequests.add(request);
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print("Added leave request: ${request.id}, total: ${_leaveRequests.length}");
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// Notify listeners
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_leaveRequestsController.add(List.from(_leaveRequests));
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}
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// Add a new advance request
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Future<void> addAdvanceRequest(AdvanceRequest request) async {
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_advanceRequests.add(request);
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print("Added advance request: ${request.id}, total: ${_advanceRequests.length}");
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// Notify listeners
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_advanceRequestsController.add(List.from(_advanceRequests));
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}
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// Update leave request status
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Future<void> updateLeaveRequestStatus(String id, String status) async {
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final index = _leaveRequests.indexWhere((request) => request.id == id);
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if (index != -1) {
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// Create a new request with the updated status
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final updatedRequest = LeaveRequest(
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id: _leaveRequests[index].id,
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leaveType: _leaveRequests[index].leaveType,
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isTimedLeave: _leaveRequests[index].isTimedLeave,
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fromDate: _leaveRequests[index].fromDate,
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toDate: _leaveRequests[index].toDate,
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fromTime: _leaveRequests[index].fromTime,
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toTime: _leaveRequests[index].toTime,
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reason: _leaveRequests[index].reason,
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requestDate: _leaveRequests[index].requestDate,
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status: status, // Updated status
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);
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// Replace the old request with the updated one
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_leaveRequests[index] = updatedRequest;
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print("Updated leave request status: $id to $status");
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// Notify listeners
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_leaveRequestsController.add(List.from(_leaveRequests));
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}
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}
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// Update advance request status
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Future<void> updateAdvanceRequestStatus(String id, String status) async {
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final index = _advanceRequests.indexWhere((request) => request.id == id);
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if (index != -1) {
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// Create a new request with the updated status
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final updatedRequest = AdvanceRequest(
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id: _advanceRequests[index].id,
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amount: _advanceRequests[index].amount,
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reason: _advanceRequests[index].reason,
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status: status, // Updated status
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);
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// Replace the old request with the updated one
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_advanceRequests[index] = updatedRequest;
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print("Updated advance request status: $id to $status");
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// Notify listeners
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_advanceRequestsController.add(List.from(_advanceRequests));
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}
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}
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// Dispose method to close streams
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void dispose() {
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_leaveRequestsController.close();
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_advanceRequestsController.close();
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}
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} |