protected override IEnumerable <ModelValidator> GetValidators(ModelMetadata metadata, ControllerContext context, IEnumerable <Attribute> attributes)
{
List <ModelValidator> vals = base.GetValidators(metadata, context, attributes).ToList();
// inject our new validator
if (metadata.ModelType.Name == "DateTime")
{
DataAnnotationsModelValidationFactory factory;
RegularExpressionAttribute regex = new RegularExpressionAttribute(
"^(((0?[1-9]|1[012])/(0?[1-9]|1\\d|2[0-8])|(0?[13456789]|1[012])/(29|30)|(0?[13578]|1[02])/31)/(19|[2-9]\\d)\\d{2}|0?2/29/((19|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|(([2468][048]|[3579][26])00)))$");
regex.ErrorMessage = "Invalid date format";
if (!AttributeFactories.TryGetValue(regex.GetType(), out factory))
{
factory = DefaultAttributeFactory;
}
vals.Add(factory(metadata, context, regex));
}
return(vals.AsEnumerable());
}
protected override IEnumerable <ModelValidator> GetValidators(ModelMetadata metadata, ControllerContext context, IEnumerable <Attribute> attributes)
{
if (!attributes.Any(i => i is RegularExpressionAttribute))
{
if (typeof(DateTime).Equals(metadata.ModelType) || (metadata.ModelType.IsGenericType && typeof(DateTime).Equals(metadata.ModelType.GetGenericArguments()[0])))
{
DataAnnotationsModelValidationFactory factory;
RegularExpressionAttribute regex = null;
switch (metadata.DataTypeName)
{
case "Date":
regex = new RegularExpressionAttribute(RegExPatterns.Date)
{
ErrorMessage = "Invalid date. Please use a m/d/yyyy format"
};
break;
case "Time":
regex = new RegularExpressionAttribute(RegExPatterns.Time)
{
ErrorMessage = "Invalid time. Please use a h:mm format"
};
break;
default: //DateTime
regex = new RegularExpressionAttribute(RegExPatterns.DateAndTime)
{
ErrorMessage = "Invalid date / time. Please use a m/d/yyyy h:mm format"
};
break;
}
if (!AttributeFactories.TryGetValue(regex.GetType(), out factory))
{
factory = DefaultAttributeFactory;
}
yield return(factory(metadata, context, regex));
}
}
}
protected override IEnumerable <ModelValidator> GetValidators(ModelMetadata metadata, ControllerContext context, IEnumerable <Attribute> attributes)
{
List <ModelValidator> vals = base.GetValidators(metadata, context, attributes).ToList();
DataAnnotationsModelValidationFactory factory;
// Inject our new validator.
if (metadata.ContainerType != null)
{
// Check if we have validation for this class name.
if (ValidationManager.Validators.ContainsKey(metadata.ContainerType.Name))
{
var validator = ValidationManager.Validators[metadata.ContainerType.Name];
// Check if we have validation for this property name.
if (validator.ContainsKey(metadata.PropertyName))
{
var property = validator[metadata.PropertyName];
// Only add validation to visible properties.
if (property.Visible)
{
// Required attribute.
if (property.Required)
{
ValidationAttribute required;
if (metadata.ModelType == typeof(bool))
{
// For required booleans, enforce true.
required = new EnforceTrueAttribute {
ErrorMessage = property.ErrorMessage
};
}
else if (metadata.ModelType == typeof(int) || metadata.ModelType == typeof(long) || metadata.ModelType == typeof(double) || metadata.ModelType == typeof(float))
{
// For required int, long, double, float (dropdownlists), enforce > 0.
required = new GreaterThanZeroAttribute()
{
ErrorMessage = property.ErrorMessage
};
}
else
{
required = new RequiredAttribute {
ErrorMessage = property.ErrorMessage
};
}
if (!AttributeFactories.TryGetValue(required.GetType(), out factory))
{
factory = DefaultAttributeFactory;
}
yield return(factory(metadata, context, required));
}
// Regular expression attribute.
if (!string.IsNullOrEmpty(property.RegularExpression))
{
RegularExpressionAttribute regEx = new RegularExpressionAttribute(property.RegularExpression)
{
ErrorMessage = property.ErrorMessage
};
if (!AttributeFactories.TryGetValue(regEx.GetType(), out factory))
{
factory = DefaultAttributeFactory;
}
yield return(factory(metadata, context, regEx));
}
// Compare attribute.
if (!string.IsNullOrEmpty(property.Compare))
{
CompareAttribute compare = new CompareAttribute(property.Compare)
{
ErrorMessage = property.ErrorMessage
};
if (!AttributeFactories.TryGetValue(compare.GetType(), out factory))
{
factory = DefaultAttributeFactory;
}
yield return(factory(metadata, context, compare));
}
}
}
}
}
}