/// <summary>
/// This method returns top n (eg. n = 5) expensive bookings.
/// </summary>
public List <KeyValuePair <string, decimal> > Get_FiveMostExpensiveBookings(int topN = C.LIMIT)
{
try
{
Dictionary <string, decimal> bookingIdWithTotalPrice = RDM.Get_TotalPrice_For_BookingIds(RDM.Get_AllBookingIds());
if (null != bookingIdWithTotalPrice && bookingIdWithTotalPrice.Count() >= topN)
{
var topN_BookingIdWithTotalPrice = (from dic in bookingIdWithTotalPrice orderby dic.Value descending select dic).Take(topN).ToList();
return(topN_BookingIdWithTotalPrice);
}
else
{
return(null);
}
}
catch (FormatException ex1)
{
throw new Exception(C.DATA_CONVERSION_EXP + ex1.Message);
}
catch (Exception ex2)
{
throw new Exception(ex2.Message);
}
}
/// <summary>
/// This method returns total tax ABC owes in the system.
/// </summary>
public decimal Get_TotalTax_For_TheSystem()
{
try
{
decimal totalTax = 0;
List <string> bookingIdList = new List <string>();
Dictionary <string, decimal> bookingIdWithTotalPrice = new Dictionary <string, decimal>();
var hotel_ids = RDM.Get_HotelIds_For_TaxableHotels();
foreach (var hotel in hotel_ids)
{
var booking_ids = RDM.Get_AllBookingIds_For_HotelId(hotel);
bookingIdList = RDM.Convert_RedisList_To_StringList(booking_ids);
bookingIdWithTotalPrice = RDM.Get_TotalPrice_For_BookingIds(bookingIdList);
foreach (var eachTotalPrice in bookingIdWithTotalPrice)
{
decimal eachTax = Math.Round((eachTotalPrice.Value * C.TAX_RATE), 2, MidpointRounding.AwayFromZero);
totalTax += eachTax;
}
bookingIdList.Clear();
bookingIdWithTotalPrice.Clear();
}
return(totalTax);
}
catch (ArgumentException ex1)
{
throw new Exception(C.ARGUMENT_EXP + ex1.Message);
}
catch (Exception ex2)
{
throw new Exception(ex2.Message);
}
}