修复(#84): 补齐促销管理API实现文件

Co-authored-by: multica-agent <github@multica.ai>

internal/logic/admin/promo/updatePromoRuleLogic.go

@@ -0,0 +1,59 @@
+package promo
+
+import (
+	"context"
+
+	promoModel "github.com/perfect-panel/server/internal/model/promo"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type UpdatePromoRuleLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Update promo rule
+func NewUpdatePromoRuleLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UpdatePromoRuleLogic {
+	return &UpdatePromoRuleLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *UpdatePromoRuleLogic) UpdatePromoRule(req *types.UpdatePromoRuleRequest) (*types.PromoRule, error) {
+	if err := validateRulePayload(req.Type, req.Params, req.Priority, req.StartTime, req.EndTime); err != nil {
+		return nil, err
+	}
+
+	data, err := l.svcCtx.PromoModel.FindRule(l.ctx, req.Id)
+	if err != nil {
+		if promoModel.IsNotFound(err) {
+			return nil, xerr.NewErrCodeMsg(xerr.InvalidParams, "promo rule not found")
+		}
+		l.Errorw("[UpdatePromoRule] Database Query Error", logger.Field("error", err.Error()))
+		return nil, wrapQueryError("get promo rule failed", err)
+	}
+
+	start, end := ruleTimes(req.StartTime, req.EndTime)
+	data.Name = req.Name
+	data.Type = req.Type
+	data.Params = string(req.Params)
+	data.Priority = req.Priority
+	data.Enabled = *req.Enabled
+	data.StartTime = start
+	data.EndTime = end
+
+	if err = l.svcCtx.PromoModel.UpdateRule(l.ctx, data); err != nil {
+		l.Errorw("[UpdatePromoRule] Database Update Error", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "update promo rule failed: %v", err.Error())
+	}
+	clearRuleCache(l.ctx, l.svcCtx)
+	resp := toRuleResponse(data)
+	return &resp, nil
+}