/// <summary>
/// Helper method to chain into Add(TValidationAttribute validationAttribute) but don't need to create attribute
/// </summary>
/// <typeparam name="TValidationAttribute"></typeparam>
/// <param name="setter"></param>
/// <param name="properties"></param>
/// <returns></returns>
public IPropertyValidations <TSource, TProperty> AddIfValid <TValidationAttribute>(
Action <TValidationAttribute> setter,
params Expression <Func <TSource, object> >[] properties)
where TValidationAttribute : ValidationAttribute, new()
{
var attribute = new TValidationAttribute();
setter?.Invoke(attribute);
var propsToValidate = properties.ToDictionary(p => p.NameOf(), p =>
{
var func = p.Compile();
Func <object, object> convert = o => func((TSource)o);
return(convert);
});
var validationAttribute = new ValidateIfAttribute(propsToValidate, attribute);
return(Add(validationAttribute));
}
/// <summary>
/// Adds a func/method to get called when this property is validated
/// If the other properties pass in pass validation
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <typeparam name="TProperty"></typeparam>
/// <param name="propertyValidations"></param>
/// <param name="validation"></param>
/// <param name="setter"></param>
/// <param name="properties"></param>
/// <returns></returns>
public static IPropertyValidations <TSource, TProperty> AddIfValid <TSource, TProperty>(
this IPropertyValidations <TSource, TProperty> propertyValidations,
Func <TProperty, TSource, ValidationContext, ValidationResult> validation,
Action <ValidationAttribute> setter,
params Expression <Func <TSource, object> >[] properties)
{
Func <object, ValidationContext, ValidationResult> map =
(prop, context) => validation((TProperty)prop, (TSource)context.ObjectInstance, context);
var attribute = new ValidatableObjectAttribute(map);
setter?.Invoke(attribute);
var propsToValidate = properties.ToDictionary(p => p.NameOf(), p =>
{
var func = p.Compile();
Func <object, object> convert = o => func((TSource)o);
return(convert);
});
var validationAttribute = new ValidateIfAttribute(propsToValidate, attribute);
return(propertyValidations.Add(validationAttribute));
}
