one_item_one_code/app/db/db_user_virtual_amount.go

package db

import (
	"applet/app/db/model"
	"applet/app/utils"
	"xorm.io/xorm"
)

func GetUserVirtualAmountOne(session *xorm.Session, uid int, coinId int) (*model.UserVirtualAmount, error) {

	var m model.UserVirtualAmount
	isExist, err := session.Table("user_virtual_amount").Where("uid = ? AND coin_id = ?", uid, coinId).Get(&m)
	if err != nil {
		return nil, err
	}
	if !isExist {
		return nil, nil
	}
	return &m, nil

}
func GetUserVirtualAmountSum(eg *xorm.Engine, uid int, coinId int) (string, error) {
	//TODO 后面针对单个虚拟币
	var m model.UserVirtualAmount
	sum, err := eg.Table("user_virtual_amount").Where("uid = ? ", uid).Sum(&m, "amount")
	if err != nil {
		return "0", err
	}
	return utils.Float64ToStr(sum), nil

}

/*func UserVirtualAmountUpdateWithSession(session *xorm.Session, m *model.UserVirtualAmount) bool {

}*/