暂存一下,防止丢失

internal/infrastructure/wallet/debit_event.go

@@ -0,0 +1,38 @@
+// Package wallet 提供代理主钱包持久化与可靠事件 Adapter。
+package wallet
+
+import (
+	"context"
+	"strconv"
+
+	walletapp "github.com/break/junhong_cmp_fiber/internal/application/wallet"
+	"github.com/break/junhong_cmp_fiber/internal/infrastructure/messaging/outbox"
+	"github.com/break/junhong_cmp_fiber/pkg/constants"
+	"github.com/break/junhong_cmp_fiber/pkg/errors"
+	"gorm.io/gorm"
+)
+
+// DebitEventWriter 将代理主钱包扣款事实写入公共 Outbox。
+type DebitEventWriter struct {
+	outbox *outbox.Repository
+}
+
+// NewDebitEventWriter 创建代理主钱包扣款 Outbox Writer。
+func NewDebitEventWriter(repository *outbox.Repository) *DebitEventWriter {
+	return &DebitEventWriter{outbox: repository}
+}
+
+// Append 在调用方业务事务中追加代理主钱包扣款事件。
+func (w *DebitEventWriter) Append(ctx context.Context, tx *gorm.DB, event walletapp.DebitedEvent) error {
+	if w == nil || w.outbox == nil {
+		return errors.New(errors.CodeInternalError, "代理主钱包扣款 Outbox Writer 未配置")
+	}
+	_, err := w.outbox.Append(ctx, tx, outbox.Envelope{
+		EventID: event.EventID, EventType: constants.OutboxEventTypeAgentMainWalletDebited,
+		PayloadVersion: constants.AgentMainWalletDebitedPayloadVersionV1,
+		AggregateType:  "agent_wallet", AggregateID: strconv.FormatUint(uint64(event.WalletID), 10),
+		ResourceType: event.ReferenceType, ResourceID: strconv.FormatUint(uint64(event.ReferenceID), 10),
+		BusinessKey: event.EventID, RequestID: event.RequestID, CorrelationID: event.CorrelationID, Payload: event,
+	})
+	return err
+}