新增接口

internal/application/refundapproval/creation.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/bytedance/sonic"
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 
 	approvalapp "github.com/break/junhong_cmp_fiber/internal/application/approval"
 	"github.com/break/junhong_cmp_fiber/internal/model"
@@ -55,6 +56,99 @@ func NewCreationService(db *gorm.DB, approval approvalapp.Port, audit AuditWrite
 }
 
 // Execute 在业务写入前校验审批渠道，并在同一事务冻结退款事实和审批事实。
+// TriggerHistorical 为历史待审批退款补发一次企业微信审批。
+func (s *CreationService) TriggerHistorical(ctx context.Context, refundID uint) (*CreateResult, error) {
+	if s == nil || s.db == nil || s.approval == nil || s.audit == nil || refundID == 0 {
+		return nil, errors.New(errors.CodeServiceUnavailable, "退款审批能力未配置")
+	}
+
+	var refund model.RefundRequest
+	if err := s.db.WithContext(ctx).First(&refund, refundID).Error; err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, errors.New(errors.CodeNotFound, "退款申请不存在")
+		}
+		return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询历史退款申请失败")
+	}
+	if refund.Status != model.RefundStatusPending || refund.ApprovalInstanceID != nil {
+		return nil, errors.New(errors.CodeConflict, "退款申请状态不允许补发审批")
+	}
+
+	account, err := s.loadSubmitter(ctx, refund.Creator)
+	if err != nil {
+		return nil, err
+	}
+	var order model.Order
+	if err := s.db.WithContext(ctx).First(&order, refund.OrderID).Error; err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, errors.New(errors.CodeNotFound, "退款关联订单不存在")
+		}
+		return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询退款关联订单失败")
+	}
+	preparation, err := s.approval.Prepare(ctx, approvalapp.PrepareRequest{
+		BusinessType: constants.ApprovalBusinessTypeRefund, SubmitterAccountID: refund.Creator,
+		CorrelationID: refund.RefundNo,
+	})
+	if err != nil {
+		return nil, err
+	}
+	submitterSnapshot, requestSnapshot, err := refundSnapshots(&refund, account)
+	if err != nil {
+		return nil, err
+	}
+
+	var approvalStatus int
+	err = s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		var current model.RefundRequest
+		if err := tx.WithContext(ctx).Clauses(clause.Locking{Strength: "UPDATE"}).First(&current, refundID).Error; err != nil {
+			if err == gorm.ErrRecordNotFound {
+				return errors.New(errors.CodeNotFound, "退款申请不存在")
+			}
+			return errors.Wrap(errors.CodeDatabaseError, err, "锁定历史退款申请失败")
+		}
+		if current.Status != model.RefundStatusPending || current.ApprovalInstanceID != nil {
+			return errors.New(errors.CodeConflict, "退款申请状态不允许补发审批")
+		}
+
+		var currentOrder model.Order
+		if err := tx.WithContext(ctx).First(&currentOrder, current.OrderID).Error; err != nil {
+			return errors.Wrap(errors.CodeDatabaseError, err, "查询退款关联订单失败")
+		}
+		reference, err := s.approval.CreateInTx(ctx, tx, approvalapp.CreateRequest{
+			Preparation: preparation, BusinessType: constants.ApprovalBusinessTypeRefund,
+			BusinessID: current.ID, SubmitterAccountID: current.Creator,
+			SubmitterSnapshot: submitterSnapshot, RequestSnapshot: requestSnapshot,
+			CorrelationID: current.RefundNo,
+		})
+		if err != nil {
+			return err
+		}
+		result := tx.WithContext(ctx).Model(&model.RefundRequest{}).
+			Where("id = ? AND status = ? AND approval_instance_id IS NULL", current.ID, model.RefundStatusPending).
+			Update("approval_instance_id", reference.InstanceID)
+		if result.Error != nil {
+			return errors.Wrap(errors.CodeDatabaseError, result.Error, "关联退款审批实例失败")
+		}
+		if result.RowsAffected != 1 {
+			return errors.New(errors.CodeConflict, "退款审批实例关联已变化")
+		}
+		current.ApprovalInstanceID = &reference.InstanceID
+		refund = current
+		order = currentOrder
+		approvalStatus = reference.Status
+		var instance model.ApprovalInstance
+		if err := tx.WithContext(ctx).First(&instance, reference.InstanceID).Error; err != nil {
+			return errors.Wrap(errors.CodeDatabaseError, err, "查询退款审批审计快照失败")
+		}
+		return s.audit.WriteRefundApplication(ctx, tx, ApplicationAudit{
+			Refund: &current, Order: &currentOrder, Approval: &instance, Submitter: account,
+		})
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &CreateResult{Refund: &refund, SubmitterName: account.Username, ApprovalStatus: approvalStatus}, nil
+}
+
 func (s *CreationService) Execute(ctx context.Context, command CreateCommand) (*CreateResult, error) {
 	if s == nil || s.db == nil || s.approval == nil || s.audit == nil {
 		return nil, errors.New(errors.CodeServiceUnavailable, "退款审批能力未配置")