public async Task <JsonResult> AltMenuOnSales(string id, int onsaleweek, decimal price)
{
MenuOnSale menuonsales = await db.MenuOnSales.FirstOrDefaultAsync(p => p.Id == id && (int)p.OnSaleWeek == onsaleweek);
if (menuonsales == null)
{
return(Json(new { succeeded = false }));
}
else
{
menuonsales.Price = price;
await db.SaveChangesAsync();
return(Json(new { succeeded = true }));
}
}
/// <summary>
/// 处理每个菜品
/// </summary>
private async Task <FunctionResult> handleDineMenu(List <MenuExtensionWithGift> menuExtensionWithGifts, Dine dine)
{
List <DineMenu> addedDineMenus = new List <DineMenu>();
foreach (MenuExtensionWithGift menuExtensionWithGift in menuExtensionWithGifts)
{
MenuExtension menuExtension = menuExtensionWithGift.MenuExtension;
Menu menu = await ctx.Menus
.Include(p => p.MenuPrice)
.FirstOrDefaultAsync(p => p.Id == menuExtension.Id);
// 菜品判断
if (menu == null)
{
return(new FunctionResult(false, "未找到菜品", $"No Menu {menuExtension.Id}"));
}
if (!menu.Usable)
{
return(new FunctionResult(false, $"{menu.Name} 不可用", $"Menu Disabled {menu.Id}: {menu.Name}"));
}
if (menu.Status == MenuStatus.SellOut)
{
return(new FunctionResult(false, $"{menu.Name} 已售完", $"Menu SellOut {menu.Id}: {menu.Name}"));
}
DineMenu dineMenu = new DineMenu {
Count = menuExtension.Ordered,
OriPrice = menu.MenuPrice.Price,
Price = menuExtensionWithGift.IsGift ? 0 : menu.MenuPrice.Price,
RemarkPrice = 0,
Menu = menu,
Remarks = new List <Remark>(),
Type = menuExtensionWithGift.IsGift ? DineMenuType.Gift : DineMenuType.None
};
if (!menuExtensionWithGift.IsGift)
{
// 是否排除在总单打折之外
bool excludePayDiscount = menu.MenuPrice.ExcludePayDiscount;
// 是否打折
if (menu.MenuPrice.Discount < 1)
{
excludePayDiscount = true;
dineMenu.Price = menu.MenuPrice.Price * (decimal)menu.MenuPrice.Discount;
dineMenu.Type = DineMenuType.MenuDiscount;
}
// 是否为特价菜
DayOfWeek week = DateTime.Now.DayOfWeek;
MenuOnSale menuOnSales = await ctx.MenuOnSales.FirstOrDefaultAsync(p => p.Id == menu.Id && p.OnSaleWeek == week);
if (menuOnSales != null)
{
excludePayDiscount = true;
dineMenu.Price = menuOnSales.Price;
dineMenu.Type = DineMenuType.OnSale;
}
// 是否为套餐
var menuSetMeals = await ctx.MenuSetMeals.FirstOrDefaultAsync(p => p.MenuSetId == menu.Id && p.Menu.IsSetMeal);
if (menuSetMeals != null)
{
excludePayDiscount = true;
dineMenu.Type = DineMenuType.SetMeal;
}
if (!excludePayDiscount)
{
dineMenu.Price = menu.MenuPrice.Price * (decimal)dine.Discount;
switch (dine.DiscountType)
{
case DiscountType.PayKind:
dineMenu.Type = DineMenuType.PayKindDiscount;
break;
case DiscountType.Vip:
dineMenu.Type = DineMenuType.VipDiscount;
break;
case DiscountType.Time:
dineMenu.Type = DineMenuType.TimeDiscount;
break;
case DiscountType.Custom:
dineMenu.Type = DineMenuType.CustomDiscount;
break;
}
}
}
// 菜品备注处理
foreach (int remarkId in menuExtension.Remarks)
{
Remark remark = await ctx.Remarks.FirstOrDefaultAsync(p => p.Id == remarkId);
if (remark == null)
{
return(new FunctionResult(false, "未找到备注信息", $"No Remark {remarkId}"));
}
if (!menuExtensionWithGift.IsGift)
{
dineMenu.RemarkPrice += remark.Price;
}
dineMenu.Remarks.Add(remark);
}
dine.Price += dineMenu.Price * dineMenu.Count + dineMenu.RemarkPrice;
dine.OriPrice += dineMenu.OriPrice * dineMenu.Count + dineMenu.RemarkPrice;
addedDineMenus.Add(dineMenu);
dine.DineMenus.Add(dineMenu);
}
return(new FunctionResult(true, addedDineMenus));
}
