public static int CheckBuy(int id)
{
Buy buy = BuySvc.RetrieveById(id)[0];
Good good = GoodSvc.RetrieveById(buy.GoodId)[0];
Person person = PersonSvc.RetrieveById(buy.PersonId)[0];
if (buy.IsCheck == false)
{
if (good.Num < buy.Num)
{
return(-1);
}
good.Num -= buy.Num;
GoodSvc.Update(good);
buy.IsCheck = true;
BuySvc.Update(buy);
Value value = new Value();
value.PersonId = buy.PersonId;
value.Num = Convert.ToInt32(good.Value * buy.Num);
value.Date = System.DateTime.Now.ToString();
value.Other = "购物获得";
ValueSvc.Create(value);
person.Value += value.Num;
PersonSvc.Update(person);
}
return(0);
}
public static int GetBuyAll(ref List <Buy> buys, ref List <Good> goods, ref List <Person> persons)
{
buys = BuySvc.RetrieveAll();
foreach (Buy buy in buys)
{
Person person = new Person();
Good good = new Good();
PersonMng.GetPersonById(buy.PersonId, ref person);
PersonMng.GetGoodById(buy.GoodId, ref good);
persons.Add(person);
goods.Add(good);
}
return(0);
}
public static int AddBuy(Buy buy)
{
BuySvc.Create(buy);
return(0);
}
