68 lines
2.4 KiB
Go
68 lines
2.4 KiB
Go
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"
|
|
"gorm.io/gorm"
|
|
)
|
|
|
|
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())
|
|
}
|
|
items := make([]*promomodel.SubscribePromo, 0, len(req.Items))
|
|
cacheKeys := make([]string, 0, len(req.Items))
|
|
for _, item := range req.Items {
|
|
sub, err := l.svcCtx.SubscribeModel.FindOne(l.ctx, item.SubscribeId)
|
|
if err != nil {
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "subscribe plan not found")
|
|
}
|
|
l.Errorw("[SetPromoPrice] Find Subscribe Error", logger.Field("error", err.Error()))
|
|
return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find subscribe error: %v", err.Error())
|
|
}
|
|
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
|
|
}
|