public virtual ValidationMessageCollection ValidateEdit(EditParameterSet parameterSet)
{
var validationMessages = new ValidationMessageCollection();
bool overlappingPricingPeriods = false;
bool daysUnmatchedByPricingPeriods = false;
var newPricingPeriods = parameterSet.PricingPeriods.Select(pricingPeriod => PricingPeriod.Add(new AddEditParameterSet
{
StartMonth = pricingPeriod.StartMonth,
StartDay = pricingPeriod.StartDay,
EndMonth = pricingPeriod.EndMonth,
EndDay = pricingPeriod.EndDay
}));
for (var date = new DateTime(2000, 1, 1); date < new DateTime(2001, 1, 1); date = date.AddDays(1))
{
var matchingPeriods = newPricingPeriods.Count(pricingPeriod => pricingPeriod.ContainsDate(date));
if (matchingPeriods == 0)
{
daysUnmatchedByPricingPeriods = true;
}
if (matchingPeriods > 1)
{
overlappingPricingPeriods = true;
}
}
if (daysUnmatchedByPricingPeriods)
{
validationMessages.AddError("Some days are not covered by pricing periods.");
}
if (overlappingPricingPeriods)
{
validationMessages.AddError("Some days are covered by more than one pricing period");
}
var firstPricingPeriod = newPricingPeriods
.OrderBy(x => x.StartMonth)
.ThenBy(x => x.StartDay)
.First();
var lastPricingPeriod = newPricingPeriods
.OrderBy(x => x.StartMonth)
.ThenBy(x => x.StartDay)
.Last();
if (firstPricingPeriod.StartMonth != 1 || firstPricingPeriod.StartDay != 1)
{
validationMessages.AddError("There must be a pricing period beginning January 1st");
}
if (lastPricingPeriod.EndMonth != 12 || lastPricingPeriod.EndDay != 31)
{
validationMessages.AddError("There must be a pricing period ending December 31st");
}
return(validationMessages);
}