完善订单交接结账流程留痕

backend/internal/modules/order/process_events.go

@@ -0,0 +1,64 @@
+package order
+
+import (
+	"context"
+
+	"hfb_sys/backend/internal/model"
+	"hfb_sys/backend/internal/processlog"
+
+	"gorm.io/gorm"
+)
+
+const processBusinessOrder = "order"
+
+func orderState(order model.RentalOrder) map[string]any {
+	return map[string]any{
+		"order_status": order.Status, "handoff_status": order.HandoffStatus,
+		"settlement_status":         order.SettlementStatus,
+		"offline_settlement_status": effectiveOfflineSettlementStatus(order),
+	}
+}
+
+func checkoutEventPayload(checkout model.OrderCheckout) map[string]any {
+	return map[string]any{
+		"checkout_id": checkout.ID, "round": checkout.RoundCount, "turn": normalizeCheckoutTurn(&checkout),
+		"proposed_by": checkout.ProposedBy, "rent_amount_cent": checkout.RentAmountCent,
+		"owner_rent_amount_cent": checkout.OwnerRentAmountCent, "platform_fee_cent": checkout.PlatformFeeCent,
+		"deposit_amount_cent": checkout.DepositAmountCent, "consumable_amount_cent": checkout.ConsumableAmountCent,
+		"coin_consumed_m": checkout.CoinConsumedM, "deposit_deduct_amount_cent": checkout.DepositDeductAmountCent,
+		"renter_refund_amount_cent": checkout.RenterRefundAmountCent, "owner_income_amount_cent": checkout.OwnerIncomeAmountCent,
+		"shortfall_cent": checkout.ShortfallCent, "overshoot_amount_cent": checkout.OvershootAmountCent,
+	}
+}
+
+func appendOrderEvent(tx *gorm.DB, order model.RentalOrder, stage, action, actorType string, actorID uint64, targetType string, targetID *uint64, content, reason string, payload, before map[string]any, attachments []string) error {
+	return processlog.Append(tx, processlog.Entry{
+		BusinessType: processBusinessOrder, BusinessID: order.ID, Stage: stage, Action: action,
+		ActorType: actorType, ActorID: actorID, TargetType: targetType, TargetID: targetID,
+		Content: content, Reason: reason, Payload: payload, Attachments: attachments,
+		StateBefore: before, StateAfter: orderState(order),
+	})
+}
+
+func (r *Repository) ProcessEventsAdmin(ctx context.Context, orderID uint64) ([]ProcessEventDTO, error) {
+	var order model.RentalOrder
+	if err := r.db.WithContext(ctx).First(&order, orderID).Error; err != nil {
+		return nil, err
+	}
+	rows, err := processlog.List(r.db.WithContext(ctx), processBusinessOrder, orderID)
+	if err != nil {
+		return nil, err
+	}
+	items := make([]ProcessEventDTO, 0, len(rows))
+	for _, row := range rows {
+		items = append(items, ProcessEventDTO{
+			ID: row.ID, BusinessType: row.BusinessType, BusinessID: row.BusinessID, Stage: row.Stage,
+			Action: row.Action, ActorType: row.ActorType, ActorID: row.ActorID, ActorName: row.ActorName,
+			TargetType: row.TargetType, TargetID: row.TargetID, TargetName: row.TargetName,
+			Content: row.Content, Reason: row.Reason, Payload: row.Payload,
+			AttachmentURLs: decodeStringList(row.AttachmentURLs), StateBefore: row.StateBefore,
+			StateAfter: row.StateAfter, CreatedAt: row.CreatedAt,
+		})
+	}
+	return items, nil
+}