优化结构

internal/data/integration/migrations.go

@@ -18,12 +18,14 @@ func Migrations() []migration.Step {
 		}},
 		{ID: "202608210001_communication_integration_defaults", Migrate: ensureCommunicationIntegrationConfigs},
 		{ID: "202608200004_payment_defaults", Migrate: ensurePaymentIntegrationConfigs},
+		{ID: "202608290004_kafka_integration_default", Migrate: ensureCommunicationIntegrationConfigs},
 	}
 }
 
 func ensureCommunicationIntegrationConfigs(db *gorm.DB) error {
 	defaults := []struct{ kind, provider string }{
 		{integrationbiz.IntegrationKindMQ, "emqx"},
+		{integrationbiz.IntegrationKindMQ, "kafka"},
 		{integrationbiz.IntegrationKindMQ, "rabbitmq"},
 		{integrationbiz.IntegrationKindWebSocket, "melody"},
 	}

internal/data/payment/demo_seed.go

@@ -25,9 +25,10 @@ func SeedDemoOrders(db *gorm.DB, now time.Time) (*DemoSeedResult, error) {
 	if !db.Migrator().HasTable(&paymentOrderPO{}) || !db.Migrator().HasTable(&paymentEventPO{}) {
 		return nil, fmt.Errorf("payment tables are not migrated")
 	}
-	now = now.UTC().Truncate(time.Second)
 	if now.IsZero() {
 		now = time.Now().UTC().Truncate(time.Second)
+	} else {
+		now = now.UTC().Truncate(time.Second)
 	}
 
 	type demoOrder struct {
@@ -37,7 +38,7 @@ func SeedDemoOrders(db *gorm.DB, now time.Time) (*DemoSeedResult, error) {
 	makeOrder := func(index int, provider, subject, status, fulfillment, refund string, amount int64, currency string, created time.Time) paymentOrderPO {
 		tradeNo := fmt.Sprintf("%s%02d", DemoTradePrefix, index)
 		return paymentOrderPO{
-			TradeNo: tradeNo, Provider: provider, BusinessType: "demo_subscription", BusinessID: fmt.Sprintf("DEMO-LICENSE-%02d", index),
+			TradeNo: tradeNo, Provider: provider, BusinessType: bizpayment.DemoBusinessType, BusinessID: fmt.Sprintf("DEMO-LICENSE-%02d", index),
 			Subject: subject, PaymentMode: bizpayment.PaymentModeExternal, OriginalAmount: amount, Amount: amount,
 			Currency: currency, PaymentStatus: status, FulfillmentStatus: fulfillment, RefundStatus: refund,
 			ConfirmationID: uuid.NewString(), RequestFingerprint: fmt.Sprintf("demo-fingerprint-%02d", index),

internal/data/payment/payment_event.go

@@ -2,6 +2,7 @@ package payment
 
 import (
 	"context"
+	"errors"
 	bizpayment "kra/internal/biz/payment"
 	"time"
 
@@ -48,6 +49,10 @@ func appendPaymentEvent(ctx context.Context, tx *gorm.DB, order *paymentOrderPO,
 	if tx == nil || order == nil || event == nil {
 		return nil
 	}
+	eventType := trimTo(event.Type, 64)
+	if eventType == "" {
+		return errors.New("支付事件类型为空")
+	}
 	operation := bizpayment.PaymentOperationFromContext(ctx)
 	source := trimTo(event.Source, 64)
 	if source == "" {
@@ -81,7 +86,7 @@ func appendPaymentEvent(ctx context.Context, tx *gorm.DB, order *paymentOrderPO,
 		deviceID = trimTo(operation.DeviceID, 128)
 	}
 	return tx.Create(&paymentEventPO{
-		Provider: order.Provider, TradeNo: order.TradeNo, Type: trimTo(event.Type, 64), Source: source,
+		Provider: order.Provider, TradeNo: order.TradeNo, Type: eventType, Source: source,
 		Status: trimTo(event.Status, 64), ProviderStatus: trimTo(event.ProviderStatus, 64), Message: message,
 		EventID: trimTo(event.EventID, 128), PayloadHash: trimTo(event.PayloadHash, 64), Amount: event.Amount,
 		Currency: trimTo(event.Currency, 16), OperatorID: operatorID, OperatorName: operatorName,

internal/data/payment/payment_order.go

@@ -152,8 +152,7 @@ func (r *paymentOrderRepo) CreatePaymentOrder(ctx context.Context, order *bizpay
 		}
 		return appendPaymentEvent(ctx, tx, po, &bizpayment.PaymentEvent{
 			Type: bizpayment.PaymentEventOrderCreated, Source: "client", Status: po.PaymentStatus,
-			Amount: po.Amount, Currency: po.Currency, ClientIP: order.ClientIP,
-			UserAgent: order.UserAgent, DeviceID: order.DeviceID,
+			Amount: po.Amount, Currency: po.Currency,
 		})
 	})
 	if err == nil {
@@ -637,8 +636,9 @@ func defaultVersion(value uint64) uint64 {
 
 func trimTo(value string, max int) string {
 	value = strings.TrimSpace(value)
-	if len(value) > max {
-		return value[:max]
+	runes := []rune(value)
+	if len(runes) > max {
+		return string(runes[:max])
 	}
 	return value
 }

internal/data/payment/payment_order_test.go

@@ -5,11 +5,13 @@ import (
 	bizpayment "kra/internal/biz/payment"
 	"testing"
 	"time"
+
+	"github.com/google/uuid"
 )
 
 func newPaymentOrderRepoForTest(t *testing.T) *paymentOrderRepo {
 	t.Helper()
-	db, err := openWithDriver("sqlite", "file:"+t.Name()+"?mode=memory&cache=shared")
+	db, err := openWithDriver("sqlite", "file:"+t.Name()+"-"+uuid.NewString()+"?mode=memory&cache=shared")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -119,11 +121,9 @@ func TestPaymentOrderRepositorySummarizesAndListsEvents(t *testing.T) {
 	repo := newPaymentOrderRepoForTest(t)
 	ctx := bizpayment.WithPaymentOperation(context.Background(), bizpayment.PaymentOperation{
 		Source: "admin", Reason: "客户重复购买", OperatorID: 7, OperatorName: "operator",
-		ClientIP: "127.0.0.1", DeviceID: "device-1",
+		ClientIP: "127.0.0.1", UserAgent: "payment-test/1.0", DeviceID: "device-1",
 	})
 	order := testPaymentOrder()
-	order.ClientIP = "10.0.0.8"
-	order.UserAgent = "payment-client/1.0"
 	if _, _, err := repo.CreatePaymentOrder(ctx, order); err != nil {
 		t.Fatal(err)
 	}
@@ -168,3 +168,9 @@ func TestPaymentOrderRepositorySummarizesAndListsEvents(t *testing.T) {
 		t.Fatalf("refund audit event missing operation context: %#v", events)
 	}
 }
+
+func TestTrimToPreservesUTF8(t *testing.T) {
+	if got := trimTo(" 退款处理失败 ", 4); got != "退款处理" {
+		t.Fatalf("trimTo() = %q, want %q", got, "退款处理")
+	}
+}

internal/data/system/surface_upgrade_test.go

@@ -3,11 +3,12 @@ package system
 import (
 	"testing"
 
+	"github.com/google/uuid"
 	platformmodule "kra/pkg/module"
 )
 
 func TestEnsureAdminSurfaceAndPolicyInheritance(t *testing.T) {
-	db, err := openWithDriver("sqlite", "file:"+t.Name()+"?mode=memory&cache=shared")
+	db, err := openWithDriver("sqlite", "file:"+t.Name()+"-"+uuid.NewString()+"?mode=memory&cache=shared")
 	if err != nil {
 		t.Fatal(err)
 	}