435 lines
13 KiB
Dart
435 lines
13 KiB
Dart
import 'dart:convert';
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import 'package:http/http.dart' as http;
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/// Result of a registration API call.
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class RegistrationResult {
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final bool success;
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final bool isDuplicate;
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final bool isAlreadyOffShelf;
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final bool isOffShelfSuccess;
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final String? errorMessage;
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final Map<String, dynamic>? duplicateInfo;
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final Map<String, dynamic>? conflictInfo;
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RegistrationResult({
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required this.success,
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this.isDuplicate = false,
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this.isAlreadyOffShelf = false,
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this.isOffShelfSuccess = false,
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this.errorMessage,
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this.duplicateInfo,
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this.conflictInfo,
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});
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factory RegistrationResult.ok() => RegistrationResult(success: true);
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factory RegistrationResult.offShelfSuccess() =>
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RegistrationResult(success: true, isOffShelfSuccess: true);
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factory RegistrationResult.duplicate(Map<String, dynamic> info) =>
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RegistrationResult(
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success: false,
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isDuplicate: true,
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duplicateInfo: info,
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conflictInfo: info,
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);
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factory RegistrationResult.alreadyOffShelf(Map<String, dynamic> info) =>
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RegistrationResult(
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success: false,
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isAlreadyOffShelf: true,
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errorMessage: info['message']?.toString() ?? '该总排号已下架至转运区域，不可重新上架',
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conflictInfo: info,
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);
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factory RegistrationResult.error(String message) =>
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RegistrationResult(success: false, errorMessage: message);
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}
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// === 装箱模块数据类 ===
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/// 箱号内单个总排号明细
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class BoxItemData {
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final int? boxItemId;
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final String zongpaiNo;
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final String? workOrderNo;
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final int quantity;
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BoxItemData({
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this.boxItemId,
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required this.zongpaiNo,
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this.workOrderNo,
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required this.quantity,
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});
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factory BoxItemData.fromJson(Map<String, dynamic> json) {
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return BoxItemData(
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boxItemId: json['box_item_id'] as int?,
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zongpaiNo: json['zongpai_no'] as String,
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workOrderNo: json['work_order_no']?.toString(),
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quantity: json['quantity'] as int,
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);
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}
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}
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/// 箱号明细
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class BoxDetailData {
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final int boxNo;
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final List<BoxItemData> items;
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BoxDetailData({required this.boxNo, required this.items});
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factory BoxDetailData.fromJson(Map<String, dynamic> json) {
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final items =
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(json['items'] as List<dynamic>?)
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?.map((i) => BoxItemData.fromJson(i as Map<String, dynamic>))
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.toList() ??
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[];
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return BoxDetailData(boxNo: json['box_no'] as int, items: items);
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}
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}
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/// 当前总排号已分配的装箱明细
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class CurrentZongpaiBoxData {
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final int boxItemId;
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final int boxNo;
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final int quantity;
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CurrentZongpaiBoxData({
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required this.boxItemId,
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required this.boxNo,
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required this.quantity,
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});
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factory CurrentZongpaiBoxData.fromJson(Map<String, dynamic> json) {
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return CurrentZongpaiBoxData(
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boxItemId: json['box_item_id'] as int,
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boxNo: json['box_no'] as int,
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quantity: json['quantity'] as int,
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);
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}
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}
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/// 装箱信息查询结果
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class BoxInfoResult {
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final bool success;
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final String? errorMessage;
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final String? zongpaiNo;
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final String? paichanNo;
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final String? workOrderNo;
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final int? quantity;
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final List<CurrentZongpaiBoxData> currentZongpaiBoxes;
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final List<BoxDetailData> existingBoxes;
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final int maxBoxNo;
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final int suggestedBoxNo;
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BoxInfoResult({
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required this.success,
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this.errorMessage,
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this.zongpaiNo,
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this.paichanNo,
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this.workOrderNo,
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this.quantity,
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this.currentZongpaiBoxes = const [],
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this.existingBoxes = const [],
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this.maxBoxNo = 0,
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this.suggestedBoxNo = 1,
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});
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factory BoxInfoResult.ok(Map<String, dynamic> json) {
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final boxes =
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(json['existing_boxes'] as List<dynamic>?)
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?.map((b) => BoxDetailData.fromJson(b as Map<String, dynamic>))
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.toList() ??
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[];
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final currentBoxes =
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(json['current_zongpai_boxes'] as List<dynamic>?)
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?.map(
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(b) => CurrentZongpaiBoxData.fromJson(b as Map<String, dynamic>),
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)
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.toList() ??
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[];
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return BoxInfoResult(
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success: true,
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zongpaiNo: json['zongpai_no'] as String?,
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paichanNo: json['paichan_no'] as String?,
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workOrderNo: json['work_order_no']?.toString(),
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quantity: json['quantity'] as int?,
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currentZongpaiBoxes: currentBoxes,
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existingBoxes: boxes,
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maxBoxNo: json['max_box_no'] as int? ?? 0,
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suggestedBoxNo: json['suggested_box_no'] as int? ?? 1,
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);
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}
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factory BoxInfoResult.error(String message) {
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return BoxInfoResult(success: false, errorMessage: message);
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}
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}
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/// 装箱保存结果
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class BoxSaveResult {
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final bool success;
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final bool isDuplicate;
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final String? errorMessage;
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final int? boxItemId;
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final String? paichanNo;
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final int? boxNo;
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final int? quantity;
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BoxSaveResult({
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required this.success,
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this.isDuplicate = false,
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this.errorMessage,
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this.boxItemId,
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this.paichanNo,
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this.boxNo,
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this.quantity,
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});
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factory BoxSaveResult.ok(Map<String, dynamic> json) {
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return BoxSaveResult(
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success: true,
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boxItemId: json['box_item_id'] as int?,
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paichanNo: json['paichan_no'] as String?,
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boxNo: json['box_no'] as int?,
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quantity: json['quantity'] as int?,
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);
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}
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factory BoxSaveResult.duplicate(Map<String, dynamic> json) {
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return BoxSaveResult(
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success: false,
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isDuplicate: true,
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paichanNo: json['paichan_no'] as String?,
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boxNo: json['box_no'] as int?,
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);
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}
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factory BoxSaveResult.error(String message) {
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return BoxSaveResult(success: false, errorMessage: message);
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}
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}
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class BoxDeleteResult {
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final bool success;
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final String? errorMessage;
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BoxDeleteResult({required this.success, this.errorMessage});
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}
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class ApiService {
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final http.Client _client;
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final Duration timeout;
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ApiService({http.Client? client, this.timeout = const Duration(seconds: 5)})
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: _client = client ?? http.Client();
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/// Submit a shelf registration (上架登记).
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Future<RegistrationResult> registerLocation({
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required String baseUrl,
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required String zongpaiNo,
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required String locationCode,
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}) async {
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final uri = Uri.parse('$baseUrl/CargoTrace/location');
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try {
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final response = await _client
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.post(
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uri,
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headers: {'Content-Type': 'application/json'},
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body: jsonEncode({
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'zongpai_no': zongpaiNo,
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'location_code': locationCode,
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}),
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)
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.timeout(timeout);
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switch (response.statusCode) {
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case 200:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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if (body['previous_location'] != null) {
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return RegistrationResult.offShelfSuccess();
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}
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return RegistrationResult.ok();
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case 400:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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final msg = body['message']?.toString() ?? '请求参数错误';
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return RegistrationResult.error(msg);
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case 409:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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final errorCode = body['error_code']?.toString();
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if (errorCode == 'DUPLICATE_LOCATION') {
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return RegistrationResult.duplicate(body);
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}
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if (errorCode == 'ALREADY_OFF_SHELF') {
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return RegistrationResult.alreadyOffShelf(body);
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}
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final msg = body['message']?.toString() ?? '提交失败';
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return RegistrationResult.error(msg);
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default:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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final msg =
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body['message'] ??
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body['error'] ??
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'Unknown error (${response.statusCode})';
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return RegistrationResult.error(msg.toString());
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}
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} catch (e) {
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return RegistrationResult.error('网络异常，请检查网络连接');
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}
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}
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/// 查询装箱信息 — GET /CargoTrace/box/info
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Future<BoxInfoResult> fetchBoxInfo({
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required String baseUrl,
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required String zongpaiNo,
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}) async {
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final uri = Uri.parse(
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'$baseUrl/CargoTrace/box/info',
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).replace(queryParameters: {'zongpai_no': zongpaiNo});
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try {
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final response = await _client
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.get(uri, headers: {'Content-Type': 'application/json'})
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.timeout(timeout);
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switch (response.statusCode) {
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case 200:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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return BoxInfoResult.ok(body);
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case 400:
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return BoxInfoResult.error('无效的总排号格式');
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case 404:
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return BoxInfoResult.error('未找到该总排号对应的排产号信息');
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default:
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return BoxInfoResult.error('查询失败 (${response.statusCode})');
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}
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} catch (e) {
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return BoxInfoResult.error('网络异常，请检查网络连接');
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}
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}
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/// 保存装箱记录 — POST /CargoTrace/box
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Future<BoxSaveResult> saveBoxRecord({
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required String baseUrl,
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required String zongpaiNo,
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required int boxNo,
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required int quantity,
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required String boxMode,
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}) async {
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final uri = Uri.parse('$baseUrl/CargoTrace/box');
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try {
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final response = await _client
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.post(
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uri,
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headers: {'Content-Type': 'application/json'},
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body: jsonEncode({
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'zongpai_no': zongpaiNo,
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'box_no': boxNo,
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'quantity': quantity,
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'box_mode': boxMode,
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}),
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)
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.timeout(timeout);
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switch (response.statusCode) {
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case 200:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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return BoxSaveResult.ok(body);
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case 400:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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final msg = body['message']?.toString() ?? '请求参数错误';
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return BoxSaveResult.error(msg);
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case 409:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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return BoxSaveResult.duplicate(body);
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case 404:
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return BoxSaveResult.error('未找到该总排号对应的排产号信息');
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default:
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return BoxSaveResult.error('提交失败 (${response.statusCode})');
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}
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} catch (e) {
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return BoxSaveResult.error('网络异常，请检查网络连接');
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}
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}
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/// 更新装箱明细 — PATCH /CargoTrace/box/{boxItemId}
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Future<BoxSaveResult> updateBoxRecord({
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required String baseUrl,
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required int boxItemId,
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required int boxNo,
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required int quantity,
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}) async {
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final uri = Uri.parse('$baseUrl/CargoTrace/box/$boxItemId');
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try {
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final response = await _client
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.patch(
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uri,
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headers: {'Content-Type': 'application/json'},
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body: jsonEncode({
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'box_no': boxNo,
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'quantity': quantity,
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'box_mode': 'one-to-many',
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}),
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)
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.timeout(timeout);
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switch (response.statusCode) {
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case 200:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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return BoxSaveResult.ok(body);
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case 400:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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final msg = body['message']?.toString() ?? '请求参数错误';
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return BoxSaveResult.error(msg);
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case 409:
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final body = jsonDecode(response.body) as Map<String, dynamic>;
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return BoxSaveResult.duplicate(body);
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case 404:
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return BoxSaveResult.error('指定装箱明细不存在');
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default:
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return BoxSaveResult.error('修改失败 (${response.statusCode})');
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}
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} catch (e) {
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return BoxSaveResult.error('网络异常，请检查网络连接');
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}
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}
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/// 删除装箱明细 — DELETE /CargoTrace/box/{boxItemId}
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Future<BoxDeleteResult> deleteBoxRecord({
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required String baseUrl,
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required int boxItemId,
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}) async {
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final uri = Uri.parse('$baseUrl/CargoTrace/box/$boxItemId');
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try {
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final response = await _client
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.delete(uri, headers: {'Content-Type': 'application/json'})
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.timeout(timeout);
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switch (response.statusCode) {
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case 200:
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return BoxDeleteResult(success: true);
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case 404:
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return BoxDeleteResult(success: false, errorMessage: '指定装箱明细不存在');
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default:
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return BoxDeleteResult(
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success: false,
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errorMessage: '删除失败 (${response.statusCode})',
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);
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}
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} catch (e) {
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return BoxDeleteResult(success: false, errorMessage: '网络异常，请检查网络连接');
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}
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}
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/// Test connectivity by making a HEAD request to the base URL.
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Future<bool> testConnection(String baseUrl) async {
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try {
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final uri = Uri.parse(baseUrl);
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final response = await _client.head(uri).timeout(timeout);
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return response.statusCode < 500;
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} catch (_) {
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return false;
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}
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}
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}
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