public override ValidationResult IsConditionalValid(string property, object value, ValidationContext validationContext)
{
var dependsOnProp = validationContext.ObjectType.GetProperty(property.Trim());
var postcode = dependsOnProp.GetValue(validationContext.ObjectInstance)?.ToString();
if (!string.IsNullOrEmpty(UKPostCodeRegex) && !string.IsNullOrEmpty(EnglishOrBFPOPostCodeRegex) && !string.IsNullOrEmpty(BfpoPostCodeRegex) && !string.IsNullOrEmpty(postcode?.Trim()))
{
if (IsNotBfpo)
{
// It applies to Town
if (!ServiceFunctions.IsValidRegexValue(postcode, BfpoPostCodeRegex) && string.IsNullOrEmpty(value?.ToString()))
{
return(new ValidationResult(ErrorMessage));
}
} // It applies to AddressLine2 & AddressLine3 (when other dependent property is valid UK BFPO postcode)
else if (!IsNonEnglishBfpo && ServiceFunctions.IsValidDoubleRegexValue(postcode, UKPostCodeRegex, BfpoPostCodeRegex, true) && string.IsNullOrEmpty(value?.ToString()))
{
return(new ValidationResult(ErrorMessage));
}
// It applies to AlternativePostCode
// Here we are evaluating the value of the HomePostCode (postcode), not AlternativePostCode
if (IsNonEnglishBfpo && !ServiceFunctions.IsValidDoubleRegexValue(postcode, UKPostCodeRegex, EnglishOrBFPOPostCodeRegex, true) && string.IsNullOrEmpty(value?.ToString()))
{
return(new ValidationResult(ErrorMessage));
}
}
return(null);
}