public double GetAmountOwed(Member m)
{
// todo: make method async
var members = _dataLoadingService.GetMembersAsync().Result;
var books = _dataLoadingService.GetBooksAsync().Result;
var checkouts = _dataLoadingService.GetCheckoutsAsync().Result;
var overdueCheckouts = checkouts.Where(x => x.CheckInDate < DateTime.Now && x.UserId == m.Id);
double totalDue = 0;
double feePerDay = 0.3;
foreach (var checkOut in overdueCheckouts)
{
var daysOver = (DateTime.Today - checkOut.CheckInDate).Days;
totalDue += daysOver*feePerDay;
}
return totalDue;
}
public async Task<List<LateCharge>> GetLateChargesForMember(Member m)
{
// todo: make method async
var members = await _dataLoadingService.GetMembersAsync();
var books = await _dataLoadingService.GetBooksAsync();
var checkouts = await _dataLoadingService.GetCheckoutsAsync();
var overdueCheckouts = checkouts.Where(x => x.CheckInDate < DateTime.Now && x.UserId == m.Id);
double totalDue = 0;
double feePerDay = 0.3;
List<LateCharge> charges = new List<LateCharge>();
foreach (var checkOut in overdueCheckouts)
{
var daysOver = (DateTime.Today - checkOut.CheckInDate).Days;
var fee = daysOver * feePerDay;
// todo: handle book does not exist
charges.Add(new LateCharge(books.FirstOrDefault(x => x.Id.Equals(checkOut.BookId)), fee, checkOut.CheckInDate));
}
return charges;
}