fee treatment added

api/server/internal/server/paymentapiimp/mapper.go

@@ -28,6 +28,10 @@ func mapQuoteIntent(intent *srequest.PaymentIntent) (*quotationv2.QuoteIntent, e
 	if err != nil {
 		return nil, err
 	}
+	feeTreatment, err := mapFeeTreatment(intent.FeeTreatment)
+	if err != nil {
+		return nil, err
+	}
 	settlementCurrency := strings.TrimSpace(intent.SettlementCurrency)
 	if settlementCurrency == "" {
 		settlementCurrency = resolveSettlementCurrency(intent)
@@ -47,6 +51,7 @@ func mapQuoteIntent(intent *srequest.PaymentIntent) (*quotationv2.QuoteIntent, e
 		Destination:        destination,
 		Amount:             mapMoney(intent.Amount),
 		SettlementMode:     settlementMode,
+		FeeTreatment:       feeTreatment,
 		SettlementCurrency: settlementCurrency,
 	}
 	if comment := strings.TrimSpace(intent.Attributes["comment"]); comment != "" {
@@ -250,6 +255,19 @@ func mapSettlementMode(mode srequest.SettlementMode) (paymentv1.SettlementMode,
 	}
 }
 
+func mapFeeTreatment(treatment srequest.FeeTreatment) (quotationv2.FeeTreatment, error) {
+	switch strings.TrimSpace(string(treatment)) {
+	case "", string(srequest.FeeTreatmentUnspecified):
+		return quotationv2.FeeTreatment_FEE_TREATMENT_UNSPECIFIED, nil
+	case string(srequest.FeeTreatmentAddToSource):
+		return quotationv2.FeeTreatment_FEE_TREATMENT_ADD_TO_SOURCE, nil
+	case string(srequest.FeeTreatmentDeductFromDestination):
+		return quotationv2.FeeTreatment_FEE_TREATMENT_DEDUCT_FROM_DESTINATION, nil
+	default:
+		return quotationv2.FeeTreatment_FEE_TREATMENT_UNSPECIFIED, merrors.InvalidArgument("unsupported fee treatment: " + string(treatment))
+	}
+}
+
 func mapChainNetwork(chain srequest.ChainNetwork) (chainv1.ChainNetwork, error) {
 	switch strings.TrimSpace(string(chain)) {
 	case "", string(srequest.ChainNetworkUnspecified):

api/server/internal/server/paymentapiimp/mapper_fee_treatment_test.go

@@ -0,0 +1,82 @@
+package paymentapiimp
+
+import (
+	"testing"
+
+	paymenttypes "github.com/tech/sendico/pkg/payments/types"
+	quotationv2 "github.com/tech/sendico/pkg/proto/payments/quotation/v2"
+	"github.com/tech/sendico/server/interface/api/srequest"
+)
+
+func TestMapQuoteIntent_PropagatesFeeTreatment(t *testing.T) {
+	source, err := srequest.NewManagedWalletEndpointDTO(srequest.ManagedWalletEndpoint{
+		ManagedWalletRef: "wallet-source-1",
+	}, nil)
+	if err != nil {
+		t.Fatalf("failed to build source endpoint: %v", err)
+	}
+
+	destination, err := srequest.NewCardEndpointDTO(srequest.CardEndpoint{
+		Pan:       "2200700142860161",
+		FirstName: "John",
+		LastName:  "Doe",
+		ExpMonth:  3,
+		ExpYear:   2030,
+	}, nil)
+	if err != nil {
+		t.Fatalf("failed to build destination endpoint: %v", err)
+	}
+
+	intent := &srequest.PaymentIntent{
+		Kind:           srequest.PaymentKindPayout,
+		Source:         &source,
+		Destination:    &destination,
+		Amount:         &paymenttypes.Money{Amount: "10", Currency: "USDT"},
+		SettlementMode: srequest.SettlementModeFixReceived,
+		FeeTreatment:   srequest.FeeTreatmentDeductFromDestination,
+	}
+
+	got, err := mapQuoteIntent(intent)
+	if err != nil {
+		t.Fatalf("mapQuoteIntent returned error: %v", err)
+	}
+	if got == nil {
+		t.Fatalf("expected mapped quote intent")
+	}
+	if got.GetFeeTreatment() != quotationv2.FeeTreatment_FEE_TREATMENT_DEDUCT_FROM_DESTINATION {
+		t.Fatalf("unexpected fee treatment: got=%s", got.GetFeeTreatment().String())
+	}
+}
+
+func TestMapQuoteIntent_InvalidFeeTreatmentFails(t *testing.T) {
+	source, err := srequest.NewManagedWalletEndpointDTO(srequest.ManagedWalletEndpoint{
+		ManagedWalletRef: "wallet-source-1",
+	}, nil)
+	if err != nil {
+		t.Fatalf("failed to build source endpoint: %v", err)
+	}
+
+	destination, err := srequest.NewCardEndpointDTO(srequest.CardEndpoint{
+		Pan:       "2200700142860161",
+		FirstName: "John",
+		LastName:  "Doe",
+		ExpMonth:  3,
+		ExpYear:   2030,
+	}, nil)
+	if err != nil {
+		t.Fatalf("failed to build destination endpoint: %v", err)
+	}
+
+	intent := &srequest.PaymentIntent{
+		Kind:           srequest.PaymentKindPayout,
+		Source:         &source,
+		Destination:    &destination,
+		Amount:         &paymenttypes.Money{Amount: "10", Currency: "USDT"},
+		SettlementMode: srequest.SettlementModeFixSource,
+		FeeTreatment:   srequest.FeeTreatment("wrong_value"),
+	}
+
+	if _, err := mapQuoteIntent(intent); err == nil {
+		t.Fatalf("expected error for invalid fee treatment")
+	}
+}