package cache

import (
	"fmt"
	"go_dreamfactory/pb"
	"go_dreamfactory/sys/db"

	"github.com/liwei1dao/lego/sys/mgo"
	"github.com/liwei1dao/lego/sys/redis"
)

const ( //Redis
	Redis_PackCache string = "pack:%s"
)

const ()

type IPack interface {
	QueryUserPack(uId string) (pack *pb.DB_UserPackData, err error)
}

///查询用户背包数据
func (this *Cache) QueryUserPack(uId string) (pack *pb.DB_UserPackData, err error) {
	pack = &pb.DB_UserPackData{
		UserId: uId,
	}
	if err = this.redis.Get(fmt.Sprintf(Redis_PackCache, uId), pack); err == nil {
		return
	} else if err == redis.RedisNil {
		if pack, err = db.Defsys.QueryUserPack(uId); err == nil {
			this.redis.Set(fmt.Sprintf(Redis_PackCache, uId), pack, -1)
		} else if err == mgo.MongodbNil {
			err = nil
		}
	}
	return
}

///查询用户背包数据
func (this *Cache) UpdateUserPack(pack *pb.DB_UserPackData) (err error) {
	err = this.redis.Set(fmt.Sprintf(Redis_PackCache, pack.UserId), pack, -1)
	return
}