public ValidationRule(Expression <Func <T, TResult> > exp, ValidationType type)
{
Expression = exp;
if (type == ValidationType.Expand)
{
ValidatorHelpers.CheckExpressionIsProperty(exp);
}
ValidationType = type;
}
private void AddRule <TResult>(string key, IValidationRule rule)
{
ValidatorHelpers.CheckTypeValid(typeof(TResult), rule.ValidationType, key);
if (!Regex.IsMatch(key, @"^[a-zA-Z0-9_]+$"))
{
throw new InvalidValidationBuilderException("Key must only contain numbers, letters and underscores.");
}
if (!_validationRules.ContainsKey(key))
{
_validationRules.Add(key, new ValidationRules(rule));
}
else
{
_validationRules[key].AddRule(rule);
}
}
protected void CanExpand <TResult>(Expression <Func <T, TResult> > exp) where TResult : class
{
AddRule <TResult>(ValidatorHelpers.GetExpandString(exp.ToString()),
new ValidationRule <T, TResult>(exp, ValidationType.Expand));
}