public void ValidateModel(MyJsonResult jsonResult, PenaltyCalculationVM model)
{
var countryError = "Country Missing";
var checkedOutDateError = "Checked Out Date Missing";
var returnedDateError = "Returned Date Missing";
if (string.IsNullOrWhiteSpace(model.CountryId))
{
jsonResult.ErrorMessage = countryError;
}
var countryId = 0;
if (!int.TryParse(model.CountryId, out countryId))
{
jsonResult.ErrorMessage = countryError;
}
var country = dbContext.Countries.FirstOrDefault(x => x.Id == countryId);
if (country == null)
{
jsonResult.ErrorMessage = countryError;
}
if (string.IsNullOrWhiteSpace(model.CheckedOutDate))
{
jsonResult.ErrorMessage = checkedOutDateError;
}
if (string.IsNullOrWhiteSpace(model.ReturnedDate))
{
jsonResult.ErrorMessage = returnedDateError;
}
string format = "dd/mm/yyyy";
DateTime dateTime;
if (!DateTime.TryParseExact(model.CheckedOutDate, format, CultureInfo.InvariantCulture,
DateTimeStyles.AllowWhiteSpaces, out dateTime))
{
jsonResult.ErrorMessage = checkedOutDateError;
}
if (!DateTime.TryParseExact(model.ReturnedDate, format, CultureInfo.InvariantCulture,
DateTimeStyles.AllowWhiteSpaces, out dateTime))
{
jsonResult.ErrorMessage = returnedDateError;
}
}
public ActionResult Calculate(PenaltyCalculationVM model)
{
var jsonResult = new MyJsonResult();
try
{
CalculatePenalty(model, jsonResult);
}
catch (Exception ex)
{
jsonResult.ErrorMessage = ex.Message;
}
return(Json(jsonResult, JsonRequestBehavior.AllowGet));
}
// GET: PenaltyCalculation
public ActionResult Index()
{
var viewModel = new PenaltyCalculationVM();
try
{
ViewBag.CountryId = new SelectList(dbContext.Countries.ToList(), "Id", "Name");
}
catch (Exception ex)
{
ViewBag.CountryId = new SelectList(Enumerable.Empty <Country>().ToList(), "Id", "Name");
Failure = ex.Message;
}
return(View(viewModel));
}
private void CalculatePenalty(PenaltyCalculationVM model, MyJsonResult jsonResult)
{
this.ValidateModel(jsonResult, model);
if (!string.IsNullOrWhiteSpace(jsonResult.ErrorMessage))
{
return;
}
var countryId = int.Parse(model.CountryId);
var startDate = DateTime.ParseExact(model.CheckedOutDate, "dd/mm/yyyy", null);
var endDate = DateTime.ParseExact(model.ReturnedDate, "dd/mm/yyyy", null);
var diff = endDate - startDate;
var totalDays = diff.Days;
var holidays = dbContext.Holidays.Where(x => x.CountryId == countryId).ToList();
var weekends = dbContext.Weekends.Where(x => x.CountryId == countryId).ToList();
for (DateTime i = startDate; i <= endDate; i = i.AddDays(1))
{
if (holidays.Any() && holidays.Any(x => x.Date.Date == i.Date))
{
totalDays--;
}
else if (weekends.Any() && weekends.Any(x => String.Equals(x.DayOfWeek, i.DayOfWeek.ToString(), StringComparison.InvariantCultureIgnoreCase)))
{
totalDays--;
}
}
if (totalDays <= 10)
{
jsonResult.SuccessMessage = "You have the book delivered on time";
return;
}
var penalizedAmount = (dbContext.Penalizes.FirstOrDefault(x => x.CountryId == countryId) ?? new Penalize()).PenalizedAmount;
var penalizedDays = totalDays - 10;
var total = penalizedDays * penalizedAmount;
var currency = (dbContext.Currencies.FirstOrDefault(x => x.CountryId == countryId) ?? new Currency()).Name;
jsonResult.ErrorMessage = string.Format("{0} Days Lated. Total Penalized Price: {1} {2}", penalizedDays, total, currency);
}
