99 lines
4.6 KiB
Go
99 lines
4.6 KiB
Go
package wallet
|
|
|
|
import (
|
|
"context"
|
|
"math"
|
|
|
|
"github.com/bytedance/sonic"
|
|
"gorm.io/gorm"
|
|
|
|
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/internal/model"
|
|
"github.com/break/junhong_cmp_fiber/pkg/constants"
|
|
"github.com/break/junhong_cmp_fiber/pkg/errors"
|
|
)
|
|
|
|
// RefundEventConsumer 校验已投递的代理主钱包退款事件具有对应权威资金流水。
|
|
type RefundEventConsumer struct {
|
|
db *gorm.DB
|
|
}
|
|
|
|
// NewRefundEventConsumer 创建代理主钱包退款事件消费者。
|
|
func NewRefundEventConsumer(db *gorm.DB) *RefundEventConsumer {
|
|
return &RefundEventConsumer{db: db}
|
|
}
|
|
|
|
// Consume 复核退款流水及正常订单的原扣款流水，拒绝确认未知或损坏事件。
|
|
func (c *RefundEventConsumer) Consume(ctx context.Context, envelope outbox.DeliveryEnvelope) error {
|
|
if c == nil || c.db == nil {
|
|
return errors.New(errors.CodeInternalError, "代理主钱包退款事件消费者未配置")
|
|
}
|
|
if envelope.EventType != constants.OutboxEventTypeAgentMainWalletRefunded ||
|
|
envelope.PayloadVersion != constants.AgentMainWalletRefundedPayloadVersionV1 {
|
|
return errors.New(errors.CodeInvalidParam, "代理主钱包退款事件类型或版本不受支持")
|
|
}
|
|
var event walletapp.RefundedEvent
|
|
if err := sonic.Unmarshal(envelope.Payload, &event); err != nil {
|
|
return errors.Wrap(errors.CodeInvalidParam, err, "代理主钱包退款事件载荷无法解析")
|
|
}
|
|
if event.EventID != envelope.EventID || event.WalletID == 0 || event.ShopID == 0 ||
|
|
event.OrderID == 0 || event.RefundID == 0 || event.Amount <= 0 || event.Version <= 0 ||
|
|
event.OriginalDeductAmount <= 0 || event.Amount > event.OriginalDeductAmount {
|
|
return errors.New(errors.CodeInvalidParam, "代理主钱包退款事件载荷不完整")
|
|
}
|
|
if event.Legacy == (event.OriginalDebitTransactionID > 0) {
|
|
return errors.New(errors.CodeInvalidParam, "代理主钱包退款事件原扣款标识不一致")
|
|
}
|
|
|
|
var refund model.AgentWalletTransaction
|
|
err := c.db.WithContext(ctx).Unscoped().
|
|
Where("agent_wallet_id = ? AND reference_type = ? AND reference_id = ? AND transaction_type = ? AND status = ?",
|
|
event.WalletID, constants.ReferenceTypeRefund, event.RefundID, constants.AgentTransactionTypeRefund, constants.TransactionStatusSuccess).
|
|
First(&refund).Error
|
|
if err != nil {
|
|
if err == gorm.ErrRecordNotFound {
|
|
return errors.New(errors.CodeInternalError, "代理主钱包退款事件缺少权威资金流水")
|
|
}
|
|
return errors.Wrap(errors.CodeDatabaseError, err, "查询代理主钱包退款流水失败")
|
|
}
|
|
if refund.ShopID != event.ShopID || refund.Amount != event.Amount ||
|
|
refund.BalanceBefore != event.BalanceBefore || refund.BalanceAfter != event.BalanceAfter ||
|
|
!sameRefundUint(refund.RelatedShopID, event.RelatedShopID) ||
|
|
!sameRefundString(refund.TransactionSubtype, event.TransactionSubtype) ||
|
|
refund.AssetType != event.AssetType || refund.AssetID != event.AssetID || refund.AssetIdentifier != event.AssetIdentifier {
|
|
return errors.New(errors.CodeInternalError, "代理主钱包退款事件与权威退款流水不一致")
|
|
}
|
|
if event.Legacy {
|
|
return nil
|
|
}
|
|
|
|
var debit model.AgentWalletTransaction
|
|
err = c.db.WithContext(ctx).Unscoped().
|
|
Where("id = ? AND agent_wallet_id = ? AND reference_type = ? AND reference_id = ? AND transaction_type = ? AND status = ?",
|
|
event.OriginalDebitTransactionID, event.WalletID, constants.ReferenceTypeOrder, event.OrderID,
|
|
constants.AgentTransactionTypeDeduct, constants.TransactionStatusSuccess).
|
|
First(&debit).Error
|
|
if err != nil {
|
|
if err == gorm.ErrRecordNotFound {
|
|
return errors.New(errors.CodeInternalError, "代理主钱包退款事件缺少原扣款流水")
|
|
}
|
|
return errors.Wrap(errors.CodeDatabaseError, err, "查询代理主钱包原扣款流水失败")
|
|
}
|
|
if debit.Amount >= 0 || debit.Amount == math.MinInt64 || event.OriginalDeductAmount != -debit.Amount ||
|
|
!sameRefundUint(debit.RelatedShopID, event.RelatedShopID) ||
|
|
!sameRefundString(debit.TransactionSubtype, event.TransactionSubtype) ||
|
|
debit.AssetType != event.AssetType || debit.AssetID != event.AssetID || debit.AssetIdentifier != event.AssetIdentifier {
|
|
return errors.New(errors.CodeInternalError, "代理主钱包退款事件与原扣款流水不一致")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func sameRefundUint(left, right *uint) bool {
|
|
return (left == nil && right == nil) || (left != nil && right != nil && *left == *right)
|
|
}
|
|
|
|
func sameRefundString(left, right *string) bool {
|
|
return (left == nil && right == nil) || (left != nil && right != nil && *left == *right)
|
|
}
|