public EntityValidationHelper <TEntity> Validate <TConditionalValue>(
Expression <Func <TEntity, TConditionalValue> > memberExpression,
Func <TEntity, bool> conditionalToCheck,
Func <TEntity, TConditionalValue> calculateConditionalValue,
Func <TEntity, TConditionalValue, bool> conditional,
string errorMessage,
bool format = true,
EValidationKind validationKind = EValidationKind.Error)
{
lock (_syncValidations)
{
if (!(conditionalToCheck?.Invoke(Current) ?? true))
{
return(this);
}
var conditionalValue = calculateConditionalValue(Current);
if (!conditional(Current, conditionalValue))
{
return(this);
}
var member = XHelper.Expressions.GetMemberName(memberExpression);
var displayPropertyValue = TypeDescriptor.GetModelDisplayName(Current);
Validations.Add(CreateValidation(
validationKind,
format
? string.Format(errorMessage, TypeDescriptor.GetPropertyDisplayName(member, false), conditionalValue, displayPropertyValue)
: errorMessage));
return(this);
}
}
public EntityValidationHelper <TEntity> IfNoViolationsValidate(
Expression <Func <TEntity, object> > memberExpression,
Func <TEntity, bool> conditional,
string errorMessage,
bool format = true,
EValidationKind validationKind = EValidationKind.Error)
{
lock (_syncValidations)
{
return(HasViolations ? this : Validate(memberExpression, conditional, errorMessage, format, validationKind));
}
}
private ValidationResult CreateValidation(EValidationKind validationKind, string message)
{
switch (validationKind)
{
case EValidationKind.Error:
return(new ValidationResult(message));
case EValidationKind.Warning:
return(new WarningValidationResult(message));
default:
throw new ArgumentOutOfRangeException(nameof(validationKind));
}
}
public EntityValidationHelper <TEntity> Validate <TConditionalValue>(
Expression <Func <TEntity, TConditionalValue> > memberExpression,
Func <TEntity, TConditionalValue> calculateConditionalValue,
Func <TEntity, TConditionalValue, bool> conditional,
string errorMessage,
bool format = true,
EValidationKind validationKind = EValidationKind.Error) =>
Validate(
memberExpression,
null,
calculateConditionalValue,
conditional,
errorMessage,
format,
validationKind);
