internal static PropertyValidations <T> MustBeNull <T>(this PropertyValidations <T> validator)
{
if (validator.Property != null)
{
validator.AddError($"{validator.Alias} must be null");
}
return(validator);
}
internal static PropertyValidations <T> MustBeDefault <T>(this PropertyValidations <T> validator)
{
if (!validator.Property.Equals(default(T)))
{
validator.AddError($"{validator.Alias} must be default");
}
return(validator);
}
//**************************************************
//* Object validations
//**************************************************
internal static PropertyValidations <T> CannotBeNull <T>(this PropertyValidations <T> validator)
{
if (validator.Property == null)
{
validator.AddError($"{validator.Alias} cannot be null");
}
return(validator);
}
internal static PropertyValidations <string> MustBeEmpty(this PropertyValidations <string> validator)
{
if (validator.Property != string.Empty)
{
validator.AddError($"{validator.Alias} must be empty");
}
return(validator);
}
internal static PropertyValidations <int> MustBeLessThan(this PropertyValidations <int> validator, int threshold)
{
if (!(validator.Property < threshold))
{
validator.AddError($"{validator.Alias} must be less than {threshold}");
}
return(validator);
}
internal static PropertyValidations <int> MustBeLessThanOrEqualTo(
this PropertyValidations <int> validator,
int threshold)
{
if (validator.Property > threshold)
{
validator.AddError($"{validator.Alias} must be less than or equal to {threshold}");
}
return(validator);
}
internal static PropertyValidations <T> IfThen <T>(
this PropertyValidations <T> validator,
bool condition,
Func <PropertyValidations <T>, PropertyValidations <T> > doIfTrue)
{
if (condition)
{
doIfTrue.Invoke(validator);
}
return(validator);
}
internal static PropertyValidations <T> MustEqual <T>(
this PropertyValidations <T> validator,
T objectToCompare,
string objectToCompareAlias = null)
{
if (!validator.Property.Equals(objectToCompare))
{
objectToCompareAlias = objectToCompareAlias ?? nameof(objectToCompare);
validator.AddError($"{validator.Alias} must equal {objectToCompareAlias}");
}
return(validator);
}
//**************************************************
//* ICollection<T> validations
//**************************************************
internal static PropertyValidations <ICollection <TModel> > ValidateEnumerable <TModel>(
this PropertyValidations <ICollection <TModel> > validations,
Action <EnumerablePropertyValidation <TModel> > action)
{
if (validations.Property == null)
{
throw new NullReferenceException("Collection cannot be null to validate.");
}
foreach (var model in validations.Property)
{
var enumerablePropertyValidation =
new EnumerablePropertyValidation <TModel>(model, validations.Identifier);
action.Invoke(enumerablePropertyValidation);
}
return(validations);
}