public override string Validate(string propertyName)
{
if (!DoValidation)
{
return(null);
}
switch (propertyName)
{
case nameof(ProjectName):
if (ProjectName.IsNullOrWhiteSpace())
{
return(string.Format(Constants.FieldMustBeFilledMessageFormat, nameof(ProjectName)));
}
else if (!ProjectName.IsLengthBetween(3, 100))
{
return(string.Format(Constants.LengthErrorMessageFormat, nameof(ProjectName), 3, 100));
}
break;
case nameof(StartDate):
if (StartDate.IsNullOrWhiteSpace())
{
return(string.Format(Constants.FieldMustBeFilledMessageFormat, nameof(StartDate)));
}
else if (DateTime.Parse(StartDate) < new DateTime(2000, 1, 1))
{
return(Constants.DateMustBeCorrectMessage);
}
else if (!StillGoes && !EndDate.IsNullOrWhiteSpace() &&
DateTime.Parse(StartDate) > DateTime.Parse(EndDate))
{
return(string.Format(Constants.FieldMustBeLessThan, nameof(StartDate), nameof(EndDate)));
}
break;
case nameof(EndDate):
if (!StillGoes && EndDate.IsNullOrWhiteSpace())
{
return(string.Format(Constants.FieldMustBeFilledMessageFormat, nameof(EndDate)));
}
else if (!StillGoes && DateTime.Parse(EndDate) < new DateTime(2000, 1, 1))
{
return(Constants.DateMustBeCorrectMessage);
}
break;
}
return(null);
}
