internal static BookingBill GetBookingBill(IEnumerable<RestaurantMenuItem> restaurantMenuItems, IEnumerable<RestaurantTable> restaurantTables, SeasonalOffer restaurantOffer, Coupon restaurantcoupon, int bookedslots)
{
var discountamt = 0M;
decimal grossamount = restaurantTables.Sum(restaurantTable => restaurantTable.Price * bookedslots);
grossamount = restaurantMenuItems.Aggregate(grossamount, (current, restaurantMenuItem) => (int)(current + restaurantMenuItem.Price));
var offer = (restaurantcoupon as OfferBase) ?? (restaurantOffer);
var netamount = grossamount;
if (offer != null)
{
switch (offer.Type)
{
case OfferBase.OfferType.DiscountAmount:
{
discountamt = offer.Value;
netamount = grossamount - discountamt;
if (netamount < 0) netamount = 0;
break;
}
case OfferBase.OfferType.DiscountPercent:
{
discountamt = (grossamount * offer.Value) / 100M;
netamount = grossamount - discountamt;
break;
}
case OfferBase.OfferType.FreeServing:
{
discountamt = new RestaurantMenuItemRepository().Find(offer.Value).Price;
netamount = grossamount - discountamt;
break;
}
}
}
if (netamount < 0)
throw new InvalidOperationException("Discount amount cannot be more than the total amount of the Bill");
return new BookingBill
{
DiscountAmount = discountamt,
GrossAmount = grossamount,
NetAmount = netamount
};
}
internal static void ValidateModel(Controller controller, BookingViewModel model, int? offerid, out IEnumerable<RestaurantMenuItem> restaurantMenuItems,
out IEnumerable<RestaurantTable> restaurantTables, out SeasonalOffer restaurantOffer)
{
if (model.BookedFor.ToUniversalTime() < DateTime.UtcNow.Floor((long)AppConfigHelper.BookingSlotMinutes, DateTimeHelper.DateTimePrecisionLevel.Minutes))
controller.ModelState.AddModelError("addstatus", "The date and time for booking should always be a future date and time");
if (model.BookedSlots < 1)
controller.ModelState.AddModelError("addstatus",
"You need to make booking for atleast " + AppConfigHelper.BookingSlotMinutes +
" Minutes");
if (model.BookedTables.IsNullOrEmpty() || model.BookedTables.Trim(',', ' ').Split(',').All(t => !t.IsNumeric()))
controller.ModelState.AddModelError("addstatus", "Invalid or no tables selected, please try again");
if (!model.PrefferedMenuItems.IsNullOrEmpty() &&
model.BookedTables.Trim(',', ' ').Split(',').All(t => !t.IsNumeric()))
controller.ModelState.AddModelError("addstatus", "Invalid Menu Items selected, please try again");
restaurantOffer = offerid != null
? new OfferBaseRepository().Find(offerid.Value) as SeasonalOffer
: null;
var modelTables = model.BookedTables.Trim(',', ' ').Split(',').Select(Int32.Parse);
restaurantTables =
new RestaurantTableRepository().SelectAll().Where(table => modelTables.Any(t => t == table.TableId));
var modelMenuItems = model.PrefferedMenuItems.IsNullOrEmpty() ? new List<int>() : model.PrefferedMenuItems.Trim(',', ' ').Split(',').Select(Int32.Parse);
restaurantMenuItems =
new RestaurantMenuItemRepository().SelectAll().Where(item => modelMenuItems.Any(m => m == item.ItemId));
if (restaurantOffer!= null && restaurantOffer.Type == OfferBase.OfferType.FreeServing)
{
var freeitem = new RestaurantMenuItemRepository().Find(restaurantOffer.Value);
if (freeitem != null)
{
var newitemlist = new List<RestaurantMenuItem> {freeitem};
newitemlist.AddRange(restaurantMenuItems);
restaurantMenuItems = newitemlist;
}
}
if (restaurantTables.Count() < 1)
controller.ModelState.AddModelError("addstatus", "Selected Tables does not exist, please try again");
if (modelMenuItems.Count() > 0 && restaurantMenuItems.Count() < 1)
controller.ModelState.AddModelError("addstatus", "Selected Menu Items does not exist, please try again");
}
internal static void ValidateModel(Controller controller, BookingViewModel model, int? offerid, string couponcode, out IEnumerable<RestaurantMenuItem> restaurantMenuItems,
out IEnumerable<RestaurantTable> restaurantTables, out SeasonalOffer restaurantOffer, out Coupon restaurantCoupon)
{
ValidateModel(controller, model, offerid, out restaurantMenuItems, out restaurantTables, out restaurantOffer);
restaurantCoupon = null;
if (couponcode.IsNullOrEmpty()) return;
var result = new OfferBaseRepository().FindCouponByCode(couponcode.Trim());
if (result != null)
{
if (result.ValidTill.ToUniversalTime() > DateTime.UtcNow)
{
restaurantCoupon = result;
return;
}
controller.ModelState.AddModelError("addstatus", "Coupon Code has expired !");
return;
}
controller.ModelState.AddModelError("addstatus", "Invalid Coupon code provided.");
}