public static void GiveBack(int buyerId, int sellerId, int itemId, float itemsCount, float cash, int sid)
{
var db = new ssmDataContext();
logSale sale = db.logSales.FirstOrDefault(
b => b.buyerId == buyerId && b.sellerId == sellerId && b.sid == sid && b.isGiveBack == false);
if (sale != null)
{
sale.cash = sale.cash - cash;
sale.itemsCount = sale.itemsCount - itemsCount;
}
var logSale = new logSale
{
buyerId = buyerId,
sellerId = sellerId,
itemId = itemId,
itemsCount = itemsCount,
date = DateTime.Now,
isGiveBack = true,
cash = cash,
sid = sid
};
db.logSales.InsertOnSubmit(logSale);
db.SubmitChanges();
}
public static void ApproveGiveBack(int id)
{
ssmDataContext db = new ssmDataContext();
logSale log = db.logSales.FirstOrDefault(b => b.id == id);
if (log != null && log.isGiveBack.Value && AppHelper.CurrentUser.isAdmin.Value)
{
item itm = db.items.FirstOrDefault(c => c.id == log.itemId);
if (itm != null && itm.count != null)
{
log.sellerId = AppHelper.CurrentUser.id;
itm.count += log.itemsCount;
log.itemsCount = 0;
db.SubmitChanges();
}
}
}
public static void Sale(int buyerId, int sellerId, int itemId, float itemsCount, decimal?cash, int sid)
{
var db = new ssmDataContext();
var logSale = new logSale
{
buyerId = buyerId,
sellerId = sellerId,
itemId = itemId,
itemsCount = itemsCount,
date = DateTime.Now,
isGiveBack = false,
cash = (double?)cash,
sid = sid
};
db.logSales.InsertOnSubmit(logSale);
db.items.First(i => i.id == itemId).count -= itemsCount;
db.SubmitChanges();
}
partial void DeletelogSale(logSale instance);
partial void UpdatelogSale(logSale instance);
partial void InsertlogSale(logSale instance);