shanshanzhong147
4366a9be8b
- 实现促销管理接口：规则CRUD、优惠价配置、使用记录查询 - 修复 UpsertPrices 新增记录时提前 return 的问题 - DeleteRule/DeletePrice 不存在记录返回 code=404 - SetPromoPriceRequest.items 空数组校验 - 分页参数限制 page>0、1<=size<=200 - 下单侧促销价格按数量档总价口径计算（含 #87 修复） Co-authored-by: multica-agent <github@multica.ai>
82 lines
3.1 KiB
Go
82 lines
3.1 KiB
Go
package promo
|
|
|
|
import (
|
|
"context"
|
|
|
|
promomodel "github.com/perfect-panel/server/internal/model/promo"
|
|
subscribeModel "github.com/perfect-panel/server/internal/model/subscribe"
|
|
"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 SetPriceLogic struct {
|
|
logger.Logger
|
|
ctx context.Context
|
|
svcCtx *svc.ServiceContext
|
|
}
|
|
|
|
func NewSetPriceLogic(ctx context.Context, svcCtx *svc.ServiceContext) *SetPriceLogic {
|
|
return &SetPriceLogic{
|
|
Logger: logger.WithContext(ctx),
|
|
ctx: ctx,
|
|
svcCtx: svcCtx,
|
|
}
|
|
}
|
|
|
|
func (l *SetPriceLogic) SetPrice(req *types.SetPromoPriceRequest) error {
|
|
if _, err := l.svcCtx.PromoModel.FindRule(l.ctx, req.PromoRuleId); err != nil {
|
|
l.Errorw("[SetPromoPrice] Find Rule Error", logger.Field("error", err.Error()))
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find promo rule error: %v", err.Error())
|
|
}
|
|
subscribeIds := make([]int64, 0, len(req.Items))
|
|
seenSubscribeIds := make(map[int64]struct{}, len(req.Items))
|
|
for _, item := range req.Items {
|
|
if _, ok := seenSubscribeIds[item.SubscribeId]; ok {
|
|
continue
|
|
}
|
|
seenSubscribeIds[item.SubscribeId] = struct{}{}
|
|
subscribeIds = append(subscribeIds, item.SubscribeId)
|
|
}
|
|
var subscribes []*subscribeModel.Subscribe
|
|
if err := l.svcCtx.DB.WithContext(l.ctx).Model(&subscribeModel.Subscribe{}).Where("id IN ?", subscribeIds).Find(&subscribes).Error; err != nil {
|
|
l.Errorw("[SetPromoPrice] Find Subscribe Error", logger.Field("error", err.Error()))
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find subscribe error: %v", err.Error())
|
|
}
|
|
subscribeById := make(map[int64]*subscribeModel.Subscribe, len(subscribes))
|
|
for _, sub := range subscribes {
|
|
subscribeById[sub.Id] = sub
|
|
}
|
|
items := make([]*promomodel.SubscribePromo, 0, len(req.Items))
|
|
cacheKeys := make([]string, 0, len(req.Items))
|
|
for _, item := range req.Items {
|
|
sub, ok := subscribeById[item.SubscribeId]
|
|
if !ok {
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "subscribe plan not found")
|
|
}
|
|
originPrice := sub.UnitPrice * item.Quantity
|
|
if item.PromoPrice >= originPrice {
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "promo_price must be less than unit_price * quantity")
|
|
}
|
|
items = append(items, &promomodel.SubscribePromo{
|
|
SubscribeId: item.SubscribeId,
|
|
PromoRuleId: req.PromoRuleId,
|
|
Quantity: item.Quantity,
|
|
PromoPrice: item.PromoPrice,
|
|
})
|
|
cacheKeys = append(cacheKeys, subscribePromoCacheKey(item.SubscribeId))
|
|
}
|
|
if err := l.svcCtx.PromoModel.UpsertPrices(l.ctx, req.PromoRuleId, items); err != nil {
|
|
l.Errorw("[SetPromoPrice] Database Error", logger.Field("error", err.Error()))
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "set promo price error: %v", err.Error())
|
|
}
|
|
if len(cacheKeys) > 0 {
|
|
if err := l.svcCtx.Redis.Del(l.ctx, cacheKeys...).Err(); err != nil {
|
|
l.Errorw("[SetPromoPrice] Delete Cache Error", logger.Field("error", err.Error()))
|
|
}
|
|
}
|
|
return nil
|
|
}
|