complete MECE request

frontend/pshared/lib/data/mapper/payment/quote.dart

@@ -0,0 +1,34 @@
+import 'package:pshared/data/dto/payment/payment_quote.dart';
+import 'package:pshared/data/mapper/payment/fees/line.dart';
+import 'package:pshared/data/mapper/payment/fx_quote.dart';
+import 'package:pshared/data/mapper/money.dart';
+import 'package:pshared/data/mapper/payment/network_fee.dart';
+import 'package:pshared/models/payment/quote/quote.dart';
+
+
+extension PaymentQuoteDTOMapper on PaymentQuoteDTO {
+  PaymentQuote toDomain({String? idempotencyKey}) => PaymentQuote(
+    quoteRef: quoteRef,
+    idempotencyKey: idempotencyKey,
+    debitAmount: debitAmount?.toDomain(),
+    debitSettlementAmount: debitSettlementAmount?.toDomain(),
+    expectedSettlementAmount: expectedSettlementAmount?.toDomain(),
+    expectedFeeTotal: expectedFeeTotal?.toDomain(),
+    feeLines: feeLines?.map((line) => line.toDomain()).toList(),
+    networkFee: networkFee?.toDomain(),
+    fxQuote: fxQuote?.toDomain(),
+  );
+}
+
+extension PaymentQuoteMapper on PaymentQuote {
+  PaymentQuoteDTO toDTO() => PaymentQuoteDTO(
+    quoteRef: quoteRef,
+    debitAmount: debitAmount?.toDTO(),
+    debitSettlementAmount: debitSettlementAmount?.toDTO(),
+    expectedSettlementAmount: expectedSettlementAmount?.toDTO(),
+    expectedFeeTotal: expectedFeeTotal?.toDTO(),
+    feeLines: feeLines?.map((line) => line.toDTO()).toList(),
+    networkFee: networkFee?.toDTO(),
+    fxQuote: fxQuote?.toDTO(),
+  );
+}