Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/service/payment_resume_lookup.go

@@ -0,0 +1,67 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	dbent "github.com/Wei-Shaw/sub2api/ent"
+	infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
+)
+
+func (s *PaymentService) GetPublicOrderByResumeToken(ctx context.Context, token string) (*dbent.PaymentOrder, error) {
+	claims, err := s.paymentResume().ParseToken(strings.TrimSpace(token))
+	if err != nil {
+		return nil, err
+	}
+
+	order, err := s.entClient.PaymentOrder.Get(ctx, claims.OrderID)
+	if err != nil {
+		if dbent.IsNotFound(err) {
+			return nil, infraerrors.NotFound("NOT_FOUND", "order not found")
+		}
+		return nil, fmt.Errorf("get order by resume token: %w", err)
+	}
+	if claims.UserID > 0 && order.UserID != claims.UserID {
+		return nil, invalidResumeTokenMatchError()
+	}
+	snapshot := psOrderProviderSnapshot(order)
+	orderProviderInstanceID := strings.TrimSpace(psStringValue(order.ProviderInstanceID))
+	orderProviderKey := strings.TrimSpace(psStringValue(order.ProviderKey))
+	if snapshot != nil {
+		if snapshot.ProviderInstanceID != "" {
+			orderProviderInstanceID = snapshot.ProviderInstanceID
+		}
+		if snapshot.ProviderKey != "" {
+			orderProviderKey = snapshot.ProviderKey
+		}
+	}
+	if claims.ProviderInstanceID != "" && orderProviderInstanceID != claims.ProviderInstanceID {
+		return nil, invalidResumeTokenMatchError()
+	}
+	if claims.ProviderKey != "" && !strings.EqualFold(orderProviderKey, claims.ProviderKey) {
+		return nil, invalidResumeTokenMatchError()
+	}
+	if claims.PaymentType != "" && NormalizeVisibleMethod(order.PaymentType) != NormalizeVisibleMethod(claims.PaymentType) {
+		return nil, invalidResumeTokenMatchError()
+	}
+	if order.Status == OrderStatusPending || order.Status == OrderStatusExpired {
+		result := s.reconcilePaid(ctx, order)
+		if result == checkPaidResultAlreadyPaid {
+			order, err = s.entClient.PaymentOrder.Get(ctx, order.ID)
+			if err != nil {
+				return nil, fmt.Errorf("reload order by resume token: %w", err)
+			}
+		}
+	}
+
+	return order, nil
+}
+
+func invalidResumeTokenMatchError() error {
+	return infraerrors.BadRequest("INVALID_RESUME_TOKEN", "resume token does not match the payment order")
+}
+
+func (s *PaymentService) ParseWeChatPaymentResumeToken(token string) (*WeChatPaymentResumeClaims, error) {
+	return s.paymentResume().ParseWeChatPaymentResumeToken(strings.TrimSpace(token))
+}