withdrawal_models.dart

Lines 1–209

class CryptoWithdrawalBalance {  const CryptoWithdrawalBalance({    required this.totalAvailableUsdt,    required this.totalAvailableUsdc,  });   factory CryptoWithdrawalBalance.fromJson(Map<String, dynamic> json) {    final data = _payload(json);    return CryptoWithdrawalBalance(      totalAvailableUsdt: _number(        data,        const ['totalAvailableUSDT', 'TotalAvailableUSDT'],      ),      totalAvailableUsdc: _number(        data,        const ['totalAvailableUSDC', 'TotalAvailableUSDC'],      ),    );  }   final double totalAvailableUsdt;  final double totalAvailableUsdc;   double availableFor(String currency) => switch (currency.toUpperCase()) {        'USDT' => totalAvailableUsdt,        'USDC' => totalAvailableUsdc,        _ => 0,      };} class CryptoWithdrawalFee {  const CryptoWithdrawalFee({    required this.amount,    required this.currency,    required this.type,  });   factory CryptoWithdrawalFee.fromJson(Map<String, dynamic> json) =>      CryptoWithdrawalFee(        amount: _number(json, const ['amount', 'Amount']),        currency: _text(json, const ['currency', 'Currency']),        type: _text(json, const ['type', 'Type']),      );   final double amount;  final String currency;  final String type;} class CryptoWithdrawalQuote {  const CryptoWithdrawalQuote({    required this.code,    required this.crossChainQuota,    required this.crossChainFeeRate,    required this.crossChainAmount,    required this.fees,    required this.message,  });   factory CryptoWithdrawalQuote.fromJson(Map<String, dynamic> json) {    final root = _payload(json);    final data = _map(root['data'] ?? root['Data']) ?? root;    final rawFees = data['fees'] ?? data['Fees'];    return CryptoWithdrawalQuote(      code: _text(root, const ['code', 'Code']),      crossChainQuota:          _text(data, const ['crossChainQuota', 'CrossChainQuota']),      crossChainFeeRate:          _text(data, const ['crossChainFeeRate', 'CrossChainFeeRate']),      crossChainAmount:          _text(data, const ['crossChainAmount', 'CrossChainAmount']),      fees: rawFees is List          ? rawFees              .map(_map)              .whereType<Map<String, dynamic>>()              .map(CryptoWithdrawalFee.fromJson)              .toList()          : const [],      message: _text(root, const ['message', 'Message']),    );  }   final String crossChainQuota;  final String code;  final String crossChainFeeRate;  final String crossChainAmount;  final List<CryptoWithdrawalFee> fees;  final String message;   bool get isSuccessful =>      code.isEmpty || code == '000000' || code == '0' || code == '200';} class CryptoWithdrawalResult {  const CryptoWithdrawalResult({    required this.success,    required this.otpRequired,    required this.verificationToken,    required this.status,    required this.message,    required this.transactionId,    required this.otpExpiresAt,    required this.fees,  });   factory CryptoWithdrawalResult.fromJson(Map<String, dynamic> json) {    final data = _payload(json);    final rawFees = data['fees'] ?? data['Fees'];    return CryptoWithdrawalResult(      success: _boolean(data, const ['success', 'Success']),      otpRequired: _boolean(data, const ['otpRequired', 'OtpRequired']),      verificationToken:          _text(data, const ['verificationToken', 'VerificationToken']),      status: _text(data, const ['status', 'Status']),      message: _text(data, const ['message', 'Message']),      transactionId: _text(data, const ['transactionId', 'TransactionId']),      otpExpiresAt: _dateTime(        data['otpExpiresAt'] ?? data['OtpExpiresAt'] ?? data['expiresAt'],      ),      fees: rawFees is List          ? rawFees              .map(_map)              .whereType<Map<String, dynamic>>()              .map(CryptoWithdrawalFee.fromJson)              .toList()          : const [],    );  }   final bool success;  final bool otpRequired;  final String verificationToken;  final String status;  final String message;  final String transactionId;  final DateTime? otpExpiresAt;  final List<CryptoWithdrawalFee> fees;} class CryptoWithdrawalOtpResend {  const CryptoWithdrawalOtpResend({    required this.success,    required this.message,    required this.expiresAt,  });   factory CryptoWithdrawalOtpResend.fromJson(Map<String, dynamic> json) {    final data = _payload(json);    return CryptoWithdrawalOtpResend(      success: _boolean(data, const ['success', 'Success']),      message: _text(data, const ['message', 'Message']),      expiresAt: _dateTime(data['expiresAt'] ?? data['ExpiresAt']),    );  }   final bool success;  final String message;  final DateTime? expiresAt;} Map<String, dynamic> _payload(Map<String, dynamic> json) {  final nested = _map(json['data'] ?? json['Data']);  if (nested != null &&      (nested.containsKey('Success') ||          nested.containsKey('success') ||          nested.containsKey('TotalAvailableUSDT') ||          nested.containsKey('totalAvailableUSDT'))) {    return nested;  }  return json;} Map<String, dynamic>? _map(Object? value) {  if (value is Map<String, dynamic>) return value;  if (value is Map) {    return value.map((key, item) => MapEntry(key.toString(), item));  }  return null;} String _text(Map<String, dynamic> json, List<String> keys) {  for (final key in keys) {    final value = json[key]?.toString().trim();    if (value != null && value.isNotEmpty) return value;  }  return '';} double _number(Map<String, dynamic> json, List<String> keys) {  for (final key in keys) {    final value = json[key];    if (value is num) return value.toDouble();    final parsed = double.tryParse(value?.toString() ?? '');    if (parsed != null) return parsed;  }  return 0;} bool _boolean(Map<String, dynamic> json, List<String> keys) {  for (final key in keys) {    final value = json[key];    if (value is bool) return value;    if (value?.toString().toLowerCase() == 'true') return true;  }  return false;} DateTime? _dateTime(Object? value) =>    DateTime.tryParse(value?.toString() ?? '');