478 lines
16 KiB
Dart
478 lines
16 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:geocoding/geocoding.dart';
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import 'package:geolocator/geolocator.dart';
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import 'package:intl/intl.dart';
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import 'package:marco/controller/expense/expense_screen_controller.dart';
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import 'package:marco/helpers/services/api_service.dart';
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import 'package:marco/helpers/services/app_logger.dart';
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import 'package:marco/helpers/widgets/my_snackbar.dart';
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import 'package:marco/model/employees/employee_model.dart';
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import 'package:marco/model/expense/expense_type_model.dart';
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import 'package:marco/model/expense/payment_types_model.dart';
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import 'package:mime/mime.dart';
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import 'package:image_picker/image_picker.dart';
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class AddExpenseController extends GetxController {
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// --- Text Controllers ---
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final amountController = TextEditingController();
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final descriptionController = TextEditingController();
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final supplierController = TextEditingController();
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final transactionIdController = TextEditingController();
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final gstController = TextEditingController();
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final locationController = TextEditingController();
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final transactionDateController = TextEditingController();
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final noOfPersonsController = TextEditingController();
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final employeeSearchController = TextEditingController();
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// --- Reactive State ---
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final isLoading = false.obs;
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final isSubmitting = false.obs;
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final isFetchingLocation = false.obs;
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final isEditMode = false.obs;
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final isSearchingEmployees = false.obs;
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// --- Dropdown Selections & Data ---
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final selectedPaymentMode = Rxn<PaymentModeModel>();
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final selectedExpenseType = Rxn<ExpenseTypeModel>();
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final selectedPaidBy = Rxn<EmployeeModel>();
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final selectedProject = ''.obs;
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final selectedTransactionDate = Rxn<DateTime>();
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final attachments = <File>[].obs;
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final existingAttachments = <Map<String, dynamic>>[].obs;
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final globalProjects = <String>[].obs;
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final projectsMap = <String, String>{}.obs;
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final expenseTypes = <ExpenseTypeModel>[].obs;
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final paymentModes = <PaymentModeModel>[].obs;
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final allEmployees = <EmployeeModel>[].obs;
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final employeeSearchResults = <EmployeeModel>[].obs;
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String? editingExpenseId;
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final expenseController = Get.find<ExpenseController>();
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final ImagePicker _picker = ImagePicker();
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@override
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void onInit() {
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super.onInit();
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fetchMasterData();
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fetchGlobalProjects();
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employeeSearchController.addListener(() {
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searchEmployees(employeeSearchController.text);
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});
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}
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@override
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void onClose() {
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for (var c in [
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amountController,
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descriptionController,
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supplierController,
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transactionIdController,
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gstController,
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locationController,
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transactionDateController,
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noOfPersonsController,
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employeeSearchController,
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]) {
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c.dispose();
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}
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super.onClose();
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}
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// --- Employee Search ---
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Future<void> searchEmployees(String query) async {
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if (query.trim().isEmpty) return employeeSearchResults.clear();
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isSearchingEmployees.value = true;
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try {
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final data =
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await ApiService.searchEmployeesBasic(searchString: query.trim());
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employeeSearchResults.assignAll(
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(data ?? []).map((e) => EmployeeModel.fromJson(e)),
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);
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} catch (e) {
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logSafe("Error searching employees: $e", level: LogLevel.error);
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employeeSearchResults.clear();
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} finally {
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isSearchingEmployees.value = false;
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}
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}
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// --- Form Population: Edit Mode ---
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Future<void> populateFieldsForEdit(Map<String, dynamic> data) async {
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isEditMode.value = true;
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editingExpenseId = '${data['id']}';
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selectedProject.value = data['projectName'] ?? '';
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amountController.text = data['amount']?.toString() ?? '';
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supplierController.text = data['supplerName'] ?? '';
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descriptionController.text = data['description'] ?? '';
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transactionIdController.text = data['transactionId'] ?? '';
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locationController.text = data['location'] ?? '';
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noOfPersonsController.text = (data['noOfPersons'] ?? 0).toString();
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// Transaction Date
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if (data['transactionDate'] != null) {
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try {
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final parsed = DateTime.parse(data['transactionDate']);
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selectedTransactionDate.value = parsed;
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transactionDateController.text =
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DateFormat('dd-MM-yyyy').format(parsed);
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} catch (_) {
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selectedTransactionDate.value = null;
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transactionDateController.clear();
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}
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}
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// Dropdown
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selectedExpenseType.value =
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expenseTypes.firstWhereOrNull((e) => e.id == data['expensesTypeId']);
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selectedPaymentMode.value =
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paymentModes.firstWhereOrNull((e) => e.id == data['paymentModeId']);
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// Paid By
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final paidById = '${data['paidById']}';
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selectedPaidBy.value =
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allEmployees.firstWhereOrNull((e) => e.id.trim() == paidById.trim());
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if (selectedPaidBy.value == null && data['paidByFirstName'] != null) {
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await searchEmployees(
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'${data['paidByFirstName']} ${data['paidByLastName']}');
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selectedPaidBy.value = employeeSearchResults
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.firstWhereOrNull((e) => e.id.trim() == paidById.trim());
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}
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// Attachments
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existingAttachments.clear();
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if (data['attachments'] is List) {
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existingAttachments.addAll(
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List<Map<String, dynamic>>.from(data['attachments'])
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.map((e) => {...e, 'isActive': true}),
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);
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}
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_logPrefilledData();
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}
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void _logPrefilledData() {
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logSafe('--- Prefilled Expense Data ---', level: LogLevel.info);
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[
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'ID: $editingExpenseId',
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'Project: ${selectedProject.value}',
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'Amount: ${amountController.text}',
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'Supplier: ${supplierController.text}',
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'Description: ${descriptionController.text}',
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'Transaction ID: ${transactionIdController.text}',
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'Location: ${locationController.text}',
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'Transaction Date: ${transactionDateController.text}',
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'No. of Persons: ${noOfPersonsController.text}',
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'Expense Type: ${selectedExpenseType.value?.name}',
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'Payment Mode: ${selectedPaymentMode.value?.name}',
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'Paid By: ${selectedPaidBy.value?.name}',
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'Attachments: ${attachments.length}',
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'Existing Attachments: ${existingAttachments.length}',
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].forEach((str) => logSafe(str, level: LogLevel.info));
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}
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// --- Pickers ---
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Future<void> pickTransactionDate(BuildContext context) async {
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final pickedDate = await showDatePicker(
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context: context,
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initialDate: selectedTransactionDate.value ?? DateTime.now(),
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firstDate: DateTime(DateTime.now().year - 5),
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lastDate: DateTime.now(),
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);
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if (pickedDate != null) {
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final now = DateTime.now();
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final finalDateTime = DateTime(
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pickedDate.year,
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pickedDate.month,
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pickedDate.day,
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now.hour,
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now.minute,
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now.second,
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);
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selectedTransactionDate.value = finalDateTime;
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transactionDateController.text =
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DateFormat('dd MMM yyyy').format(finalDateTime);
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}
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}
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Future<void> pickAttachments() async {
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try {
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final result = await FilePicker.platform.pickFiles(
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type: FileType.custom,
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allowedExtensions: ['jpg', 'jpeg', 'png', 'pdf', 'doc', 'docx'],
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allowMultiple: true,
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);
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if (result != null) {
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attachments
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.addAll(result.paths.whereType<String>().map((path) => File(path)));
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}
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} catch (e) {
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_errorSnackbar("Attachment error: $e");
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}
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}
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void removeAttachment(File file) => attachments.remove(file);
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// --- Location ---
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Future<void> fetchCurrentLocation() async {
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isFetchingLocation.value = true;
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try {
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final permission = await _ensureLocationPermission();
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if (!permission) return;
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final position = await Geolocator.getCurrentPosition();
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final placemarks =
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await placemarkFromCoordinates(position.latitude, position.longitude);
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locationController.text = placemarks.isNotEmpty
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? [
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placemarks.first.name,
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placemarks.first.street,
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placemarks.first.locality,
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placemarks.first.administrativeArea,
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placemarks.first.country
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].where((e) => e?.isNotEmpty == true).join(", ")
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: "${position.latitude}, ${position.longitude}";
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} catch (e) {
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_errorSnackbar("Location error: $e");
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} finally {
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isFetchingLocation.value = false;
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}
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}
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Future<bool> _ensureLocationPermission() async {
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var permission = await Geolocator.checkPermission();
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if (permission == LocationPermission.denied ||
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permission == LocationPermission.deniedForever) {
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permission = await Geolocator.requestPermission();
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if (permission == LocationPermission.denied ||
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permission == LocationPermission.deniedForever) {
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_errorSnackbar("Location permission denied.");
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return false;
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}
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}
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if (!await Geolocator.isLocationServiceEnabled()) {
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_errorSnackbar("Location service disabled.");
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return false;
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}
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return true;
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}
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// --- Data Fetching ---
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Future<void> loadMasterData() async =>
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await Future.wait([fetchMasterData(), fetchGlobalProjects()]);
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Future<void> fetchMasterData() async {
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try {
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final types = await ApiService.getMasterExpenseTypes();
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if (types is List)
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expenseTypes.value =
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types.map((e) => ExpenseTypeModel.fromJson(e)).toList();
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final modes = await ApiService.getMasterPaymentModes();
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if (modes is List)
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paymentModes.value =
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modes.map((e) => PaymentModeModel.fromJson(e)).toList();
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} catch (_) {
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_errorSnackbar("Failed to fetch master data");
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}
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}
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Future<void> fetchGlobalProjects() async {
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try {
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final response = await ApiService.getGlobalProjects();
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if (response != null) {
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final names = <String>[];
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for (var item in response) {
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final name = item['name']?.toString().trim(),
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id = item['id']?.toString().trim();
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if (name != null && id != null) {
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projectsMap[name] = id;
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names.add(name);
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}
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}
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globalProjects.assignAll(names);
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}
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} catch (e) {
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logSafe("Error fetching projects: $e", level: LogLevel.error);
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}
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}
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Future<void> pickFromCamera() async {
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try {
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final pickedFile = await _picker.pickImage(source: ImageSource.camera);
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if (pickedFile != null) {
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attachments.add(File(pickedFile.path));
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}
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} catch (e) {
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_errorSnackbar("Camera error: $e");
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}
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}
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// --- Submission ---
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Future<void> submitOrUpdateExpense() async {
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if (isSubmitting.value) return;
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isSubmitting.value = true;
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try {
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final validationMsg = validateForm();
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if (validationMsg.isNotEmpty) {
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_errorSnackbar(validationMsg, "Missing Fields");
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return;
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}
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final payload = await _buildExpensePayload();
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final success = isEditMode.value && editingExpenseId != null
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? await ApiService.editExpenseApi(
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expenseId: editingExpenseId!, payload: payload)
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: await ApiService.createExpenseApi(
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projectId: payload['projectId'],
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expensesTypeId: payload['expensesTypeId'],
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paymentModeId: payload['paymentModeId'],
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paidById: payload['paidById'],
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transactionDate: DateTime.parse(payload['transactionDate']),
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transactionId: payload['transactionId'],
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description: payload['description'],
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location: payload['location'],
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supplerName: payload['supplerName'],
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amount: payload['amount'],
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noOfPersons: payload['noOfPersons'],
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billAttachments: payload['billAttachments'],
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);
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if (success) {
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await expenseController.fetchExpenses();
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Get.back();
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showAppSnackbar(
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title: "Success",
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message:
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"Expense ${isEditMode.value ? 'updated' : 'created'} successfully!",
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type: SnackbarType.success,
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);
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} else {
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_errorSnackbar("Operation failed. Try again.");
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}
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} catch (e) {
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_errorSnackbar("Unexpected error: $e");
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} finally {
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isSubmitting.value = false;
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}
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}
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Future<Map<String, dynamic>> _buildExpensePayload() async {
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final now = DateTime.now();
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// --- Existing Attachments Payload (for edit mode only) ---
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final List<Map<String, dynamic>> existingAttachmentPayloads =
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isEditMode.value
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? existingAttachments
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.map<Map<String, dynamic>>((e) => {
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"documentId": e['documentId'],
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"fileName": e['fileName'],
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"contentType": e['contentType'],
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"fileSize": 0,
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"description": "",
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"url": e['url'],
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"isActive": e['isActive'] ?? true,
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"base64Data": "", // <-- always empty now
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})
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.toList()
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: <Map<String, dynamic>>[];
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// --- New Attachments Payload (always include if attachments exist) ---
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final List<Map<String, dynamic>> newAttachmentPayloads =
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attachments.isNotEmpty
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? await Future.wait(attachments.map((file) async {
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final bytes = await file.readAsBytes();
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final length = await file.length();
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return <String, dynamic>{
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"fileName": file.path.split('/').last,
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"base64Data": base64Encode(bytes),
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"contentType":
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lookupMimeType(file.path) ?? 'application/octet-stream',
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"fileSize": length,
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"description": "",
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};
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}))
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: <Map<String, dynamic>>[];
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// --- Selected Expense Type ---
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final type = selectedExpenseType.value!;
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// --- Combine all attachments ---
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final List<Map<String, dynamic>> combinedAttachments = [
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...existingAttachmentPayloads,
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...newAttachmentPayloads
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];
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// --- Build Payload ---
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final payload = <String, dynamic>{
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if (isEditMode.value && editingExpenseId != null) "id": editingExpenseId,
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"projectId": projectsMap[selectedProject.value]!,
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"expensesTypeId": type.id,
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"paymentModeId": selectedPaymentMode.value!.id,
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"paidById": selectedPaidBy.value!.id,
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"transactionDate": (selectedTransactionDate.value?.toUtc() ?? now.toUtc())
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.toIso8601String(),
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"transactionId": transactionIdController.text,
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"description": descriptionController.text,
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"location": locationController.text,
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"supplerName": supplierController.text,
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"amount": double.parse(amountController.text.trim()),
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"noOfPersons": type.noOfPersonsRequired == true
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? int.tryParse(noOfPersonsController.text.trim()) ?? 0
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: 0,
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"billAttachments":
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combinedAttachments.isEmpty ? null : combinedAttachments,
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};
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return payload;
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}
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String validateForm() {
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final missing = <String>[];
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if (selectedProject.value.isEmpty) missing.add("Project");
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if (selectedExpenseType.value == null) missing.add("Expense Type");
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if (selectedPaymentMode.value == null) missing.add("Payment Mode");
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if (selectedPaidBy.value == null) missing.add("Paid By");
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if (amountController.text.trim().isEmpty) missing.add("Amount");
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if (descriptionController.text.trim().isEmpty) missing.add("Description");
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// Date Required
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if (selectedTransactionDate.value == null) missing.add("Transaction Date");
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if (selectedTransactionDate.value != null &&
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selectedTransactionDate.value!.isAfter(DateTime.now())) {
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missing.add("Valid Transaction Date");
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}
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final amount = double.tryParse(amountController.text.trim());
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if (amount == null) missing.add("Valid Amount");
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// Attachment: at least one required at all times
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bool hasActiveExisting =
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existingAttachments.any((e) => e['isActive'] != false);
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if (attachments.isEmpty && !hasActiveExisting) missing.add("Attachment");
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return missing.isEmpty ? '' : "Please provide: ${missing.join(', ')}.";
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}
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// --- Snackbar Helper ---
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void _errorSnackbar(String msg, [String title = "Error"]) => showAppSnackbar(
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title: title,
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message: msg,
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type: SnackbarType.error,
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);
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}
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