break
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构建并部署到测试环境（无 SSH） / build-and-deploy (push) Successful in 8m35s
195 lines
8.6 KiB
Go
195 lines
8.6 KiB
Go
package refund
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import (
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"context"
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"strconv"
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"strings"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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approvalapp "github.com/break/junhong_cmp_fiber/internal/application/approval"
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"github.com/break/junhong_cmp_fiber/internal/infrastructure/commissiondelivery"
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"github.com/break/junhong_cmp_fiber/internal/infrastructure/messaging/outbox"
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"github.com/break/junhong_cmp_fiber/internal/model"
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"github.com/break/junhong_cmp_fiber/pkg/auditcontext"
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"github.com/break/junhong_cmp_fiber/pkg/constants"
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"github.com/break/junhong_cmp_fiber/pkg/errors"
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)
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// Handle 幂等处理退款的渠道无关审批终态。
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func (s *Service) Handle(ctx context.Context, event approvalapp.TerminalDecisionEvent) error {
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if s == nil || s.db == nil || event.BusinessType != constants.ApprovalBusinessTypeRefund ||
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event.BusinessID == 0 || event.InstanceID == 0 {
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return errors.New(errors.CodeInvalidParam, "退款审批终态参数无效")
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}
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switch event.Decision {
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case constants.ApprovalDecisionApproved:
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return s.applyApprovedDecision(ctx, event)
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case constants.ApprovalDecisionRejected, constants.ApprovalDecisionCancelled, constants.ApprovalDecisionDeleted:
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return s.applyClosedDecision(ctx, event)
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case constants.ApprovalDecisionRevokedAfterApproved:
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return nil
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default:
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return errors.New(errors.CodeInvalidParam, "不支持的退款审批终态")
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}
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}
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func (s *Service) applyApprovedDecision(ctx context.Context, event approvalapp.TerminalDecisionEvent) error {
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ctx = auditcontext.With(ctx, auditcontext.Context{CorrelationID: event.CorrelationID, ParentEventID: event.EventID})
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var refund model.RefundRequest
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var order model.Order
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changed := false
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err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
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if err := tx.WithContext(ctx).Clauses(clause.Locking{Strength: "UPDATE"}).Where("id = ?", event.BusinessID).First(&refund).Error; err != nil {
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if err == gorm.ErrRecordNotFound {
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return errors.New(errors.CodeForbidden, "无权限操作该资源或资源不存在")
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}
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return errors.Wrap(errors.CodeDatabaseError, err, "锁定退款申请失败")
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}
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if refund.ApprovalInstanceID == nil || *refund.ApprovalInstanceID != event.InstanceID {
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return errors.New(errors.CodeConflict, "退款申请关联的审批实例不一致")
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}
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if refund.Status != model.RefundStatusPending && refund.Status != model.RefundStatusApproved {
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return errors.New(errors.CodeInvalidStatus, "退款申请状态不允许审批通过")
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}
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if err := tx.WithContext(ctx).Clauses(clause.Locking{Strength: "UPDATE"}).Where("id = ?", refund.OrderID).First(&order).Error; err != nil {
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return errors.Wrap(errors.CodeDatabaseError, err, "锁定退款关联订单失败")
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}
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beforeRefund := refundAuditState(&refund)
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beforeOrder := map[string]any{"payment_status": order.PaymentStatus}
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approvedAmount := refund.RequestedRefundAmount
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if err := validateApprovedRefundAmount(approvedAmount, refund.RequestedRefundAmount, &order); err != nil {
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return err
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}
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if refund.Status == model.RefundStatusPending {
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changed = true
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result := tx.WithContext(ctx).Model(&model.RefundRequest{}).
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Where("id = ? AND status = ?", refund.ID, model.RefundStatusPending).
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Updates(map[string]any{
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"status": model.RefundStatusApproved, "processed_at": event.OccurredAt,
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"approved_refund_amount": approvedAmount, "remark": "企业微信审批通过",
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"updated_at": event.OccurredAt,
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})
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if result.Error != nil {
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return errors.Wrap(errors.CodeDatabaseError, result.Error, "完成退款审批申请失败")
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}
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if result.RowsAffected != 1 {
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return errors.New(errors.CodeConflict, "退款申请状态已变化")
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}
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}
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switch order.PaymentStatus {
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case model.PaymentStatusPaid:
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changed = true
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result := tx.WithContext(ctx).Model(&model.Order{}).
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Where("id = ? AND payment_status = ?", order.ID, model.PaymentStatusPaid).
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Updates(map[string]any{"payment_status": model.PaymentStatusRefunded, "updated_at": event.OccurredAt})
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if result.Error != nil {
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return errors.Wrap(errors.CodeDatabaseError, result.Error, "更新订单退款状态失败")
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}
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if result.RowsAffected != 1 {
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return errors.New(errors.CodeConflict, "订单退款状态已变化")
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}
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order.PaymentStatus = model.PaymentStatusRefunded
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case model.PaymentStatusRefunded:
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default:
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return errors.New(errors.CodeInvalidStatus, "订单状态不允许完成退款")
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}
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if err := s.refundWalletPayment(ctx, tx, &refund, &order, approvedAmount, event.SubmitterAccountID); err != nil {
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return err
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}
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if err := s.appendCompletedNotification(ctx, tx, &refund); err != nil {
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return err
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}
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if err := commissiondelivery.AppendRefundCommissionDeduct(ctx, tx, outbox.NewRepository(), refund.ID, refund.OrderID); err != nil {
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return err
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}
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if err := commissiondelivery.AppendRefundAssetProcess(ctx, tx, outbox.NewRepository(), refund.ID, refund.OrderID); err != nil {
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return err
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}
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if !changed {
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return nil
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}
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return s.appendRefundAudit(ctx, tx, refund.ID, constants.AuditActionRefundApproved, "通过退款审批",
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"refund:"+strconv.FormatUint(uint64(refund.ID), 10)+":approved", beforeRefund, beforeOrder, "退款已通过")
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})
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if err != nil {
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s.recordRefundFailure(ctx, constants.AuditActionRefundApproved, "通过退款审批失败", &refund, &order, err)
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return err
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}
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return nil
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}
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func (s *Service) applyClosedDecision(ctx context.Context, event approvalapp.TerminalDecisionEvent) error {
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ctx = auditcontext.With(ctx, auditcontext.Context{CorrelationID: event.CorrelationID, ParentEventID: event.EventID})
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reason := map[string]string{
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constants.ApprovalDecisionRejected: "企业微信审批已拒绝",
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constants.ApprovalDecisionCancelled: "企业微信审批已撤销",
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constants.ApprovalDecisionDeleted: "企业微信审批已删除",
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}[event.Decision]
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var refund model.RefundRequest
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var order model.Order
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err := s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
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if err := tx.WithContext(ctx).Clauses(clause.Locking{Strength: "UPDATE"}).Where("id = ?", event.BusinessID).First(&refund).Error; err != nil {
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return errors.Wrap(errors.CodeDatabaseError, err, "锁定退款申请失败")
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}
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if refund.ApprovalInstanceID == nil || *refund.ApprovalInstanceID != event.InstanceID {
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return errors.New(errors.CodeConflict, "退款申请关联的审批实例不一致")
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}
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if refund.Status == model.RefundStatusRejected {
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return nil
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}
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if refund.Status != model.RefundStatusPending {
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return errors.New(errors.CodeInvalidStatus, "退款申请状态不允许结束审批")
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}
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if err := tx.WithContext(ctx).First(&order, refund.OrderID).Error; err != nil {
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return errors.Wrap(errors.CodeDatabaseError, err, "查询退款关联订单失败")
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}
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beforeRefund := refundAuditState(&refund)
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result := tx.WithContext(ctx).Model(&model.RefundRequest{}).
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Where("id = ? AND status = ?", refund.ID, model.RefundStatusPending).
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Updates(map[string]any{
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"status": model.RefundStatusRejected, "processed_at": event.OccurredAt,
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"reject_reason": strings.TrimSpace(reason), "updated_at": event.OccurredAt,
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})
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if result.Error != nil {
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return errors.Wrap(errors.CodeDatabaseError, result.Error, "结束退款审批申请失败")
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}
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if result.RowsAffected != 1 {
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return errors.New(errors.CodeConflict, "退款申请状态已变化")
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}
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return s.appendRefundAudit(ctx, tx, refund.ID, constants.AuditActionRefundRejected, "拒绝退款审批",
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"refund:"+strconv.FormatUint(uint64(refund.ID), 10)+":rejected", beforeRefund, nil, "退款已拒绝")
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})
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if err != nil {
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s.recordRefundFailure(ctx, constants.AuditActionRefundRejected, "拒绝退款审批失败", &refund, &order, err)
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}
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return err
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}
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func (s *Service) ProcessCommissionDeduction(ctx context.Context, refundID uint) error {
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s.deductAllCommission(ctx, refundID)
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var refund model.RefundRequest
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if err := s.db.WithContext(ctx).Select("commission_deducted").First(&refund, refundID).Error; err != nil {
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return errors.Wrap(errors.CodeDatabaseError, err, "复核退款佣金回扣状态失败")
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}
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if !refund.CommissionDeducted {
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return errors.New(errors.CodeServiceUnavailable, "退款佣金回扣尚未完成")
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}
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return nil
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}
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func (s *Service) ProcessAssetPostProcessing(ctx context.Context, refundID uint) error {
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s.handleRefundAssetProcessing(ctx, refundID)
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var refund model.RefundRequest
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if err := s.db.WithContext(ctx).Select("asset_reset").First(&refund, refundID).Error; err != nil {
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return errors.Wrap(errors.CodeDatabaseError, err, "复核退款资产后处理状态失败")
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}
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if !refund.AssetReset {
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return errors.New(errors.CodeServiceUnavailable, "退款资产后处理尚未完成")
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}
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return nil
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}
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var _ approvalapp.BusinessDecisionHandler = (*Service)(nil)
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