void RequireValidDateRangeWithOptionalValues(string startDateField, string endDateField)
{
If(x => x[startDateField].HasValue() && !x[startDateField].IsDate())
.AddNotification(EventErrors.InvalidDate(startDateField));
If(x => x[endDateField].HasValue() && !x[endDateField].IsDate())
.AddNotification(EventErrors.InvalidDate(endDateField));
If(x => x[startDateField].IsDate() && x[endDateField].IsDate() &&
x[startDateField].ToDate() > x[endDateField].ToDate())
.AddNotification(EventErrors.StartDateMustBeBeforeEndDate(startDateField, endDateField));
}
public EventValidator(IEventPluginConfigurationProvider config)
{
RequireValidDateRangeWithOptionalValues(config.StartDateField, config.EndDateField);
If(x => x[config.EndDateField].HasValue() && !x[config.StartDateField].HasValue())
.AddNotification(EventErrors.StartDateIsRequiredWhenEndDateIsSet(config.StartDateField));
RequireValidDateRangeWithOptionalValues(config.EarliestRegistrationField, config.LatestRegistrationField);
If(x => x[config.MaximumNumberOfRegistrationsField].HasValue() &&
!x[config.MaximumNumberOfRegistrationsField].ToInt(int.MinValue).IsInRange(0, int.MaxValue))
.AddNotification(
EventErrors.MaximumNumberOfRegistrationsMustBeEqualOrGreaterThanZero(config.MaximumNumberOfRegistrationsField));
If(x => x[config.RegistrationRecipientField].HasValue() &&
!x[config.RegistrationRecipientField].IsEmail())
.AddNotification(EventErrors.InvalidRegistrationRecipientEmail(config.RegistrationRecipientField));
}