payment rails

api/server/interface/api/srequest/payment.go

@@ -1,17 +1,60 @@
 package srequest
 
+import (
+	"github.com/tech/sendico/pkg/merrors"
+)
+
 type QuotePayment struct {
 	IdempotencyKey string            `json:"idempotencyKey"`
-	Intent         *PaymentIntent    `json:"intent"`
+	Intent         PaymentIntent     `json:"intent"`
 	PreviewOnly    bool              `json:"previewOnly"`
 	Metadata       map[string]string `json:"metadata,omitempty"`
 }
 
 type InitiatePayment struct {
 	IdempotencyKey string            `json:"idempotencyKey"`
-	Intent         *PaymentIntent    `json:"intent"`
 	Metadata       map[string]string `json:"metadata,omitempty"`
-	FeeQuoteToken  string            `json:"feeQuoteToken,omitempty"`
-	FxQuoteRef     string            `json:"fxQuoteRef,omitempty"`
+	Intent         *PaymentIntent    `json:"intent,omitempty"`
 	QuoteRef       string            `json:"quoteRef,omitempty"`
 }
+
+func (r QuotePayment) Validate() error {
+	if r.IdempotencyKey == "" {
+		return merrors.InvalidArgument("idempotencyKey is required", "idempotencyKey")
+	}
+
+	if validator, ok := any(r.Intent).(interface{ Validate() error }); ok {
+		if err := validator.Validate(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// Validate проверяет базовые инварианты запроса на инициацию платежа.
+func (r InitiatePayment) Validate() error {
+	if r.IdempotencyKey == "" {
+		return merrors.InvalidArgument("idempotencyKey is required", "idempotencyKey")
+	}
+
+	hasIntent := r.Intent != nil
+	hasQuote := r.QuoteRef != ""
+
+	switch {
+	case !hasIntent && !hasQuote:
+		return merrors.NoData("either intent or quoteRef must be provided")
+	case hasIntent && hasQuote:
+		return merrors.DataConflict("intent and quoteRef are mutually exclusive")
+	}
+
+	if hasIntent {
+		if validator, ok := any(*r.Intent).(interface{ Validate() error }); ok {
+			if err := validator.Validate(); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}