protected override CachedDataAnnotationsModelMetadata CreateMetadataPrototype(IEnumerable <Attribute> attributes, Type containerType, Type modelType, string propertyName)
{
var theAttributes = attributes.ToList();
var prototype = base.CreateMetadataPrototype(theAttributes, containerType, modelType, propertyName);
foreach (var validationAttribute in theAttributes.OfType <ValidationAttribute>().Where(a => !string.IsNullOrWhiteSpace(a.ErrorMessage)))
{
try
{
prototype.AdditionalValues.Add(validationAttribute.GetHashCode().ToString(CultureInfo.InvariantCulture), validationAttribute.ErrorMessage);
}
catch (Exception)
{
// there is weird cases when item has been added to the Dictionary already..
// TODO: need to investigate more about this
}
}
// handle also case when [Display] attribute is not present
if (containerType?.GetCustomAttribute <LocalizedModelAttribute>() == null)
{
return(prototype);
}
var translation = ModelMetadataLocalizationHelper.GetTranslation(containerType, propertyName);
prototype.DisplayName = translation;
if (prototype.IsRequired &&
ConfigurationContext.Current.ModelMetadataProviders.MarkRequiredFields &&
ConfigurationContext.Current.ModelMetadataProviders.RequiredFieldResource != null)
{
prototype.DisplayName += LocalizationProvider.Current.GetStringByCulture(ConfigurationContext.Current.ModelMetadataProviders.RequiredFieldResource,
CultureInfo.CurrentUICulture);
}
var displayAttribute = theAttributes.OfType <DisplayAttribute>().FirstOrDefault();
if (!string.IsNullOrEmpty(displayAttribute?.Name))
{
displayAttribute.Name = translation;
}
if (!string.IsNullOrEmpty(displayAttribute?.Description))
{
prototype.Description = ModelMetadataLocalizationHelper.GetTranslation(containerType, $"{propertyName}-Description");
}
return(prototype);
}
protected override ModelMetadata CreateMetadata(
IEnumerable <Attribute> attributes,
Type containerType,
Func <object> modelAccessor,
Type modelType,
string propertyName)
{
var theAttributes = attributes.ToList();
var data = base.CreateMetadata(theAttributes, containerType, modelAccessor, modelType, propertyName);
if (containerType == null)
{
return(data);
}
if (containerType.GetCustomAttribute <LocalizedModelAttribute>() == null)
{
return(data);
}
data.DisplayName = !ModelMetadataLocalizationHelper.UseLegacyMode(data.DisplayName)
? ModelMetadataLocalizationHelper.GetTranslation(containerType, propertyName)
: ModelMetadataLocalizationHelper.GetTranslation(data.DisplayName);
// TODO: extract this as decorator
if (data.IsRequired &&
ConfigurationContext.Current.ModelMetadataProviders.MarkRequiredFields &&
ConfigurationContext.Current.ModelMetadataProviders.RequiredFieldResource != null)
{
data.DisplayName += LocalizationProvider.Current.GetStringByCulture(
ConfigurationContext.Current.ModelMetadataProviders.RequiredFieldResource, CultureInfo.CurrentUICulture);
}
var displayAttribute = theAttributes.OfType <DisplayAttribute>().FirstOrDefault();
if (displayAttribute?.Description != null)
{
data.Description =
ModelMetadataLocalizationHelper.GetTranslation(containerType, $"{propertyName}-Description");
}
return(data);
}
protected override IEnumerable <ModelValidator> GetValidators(ModelMetadata metadata, ControllerContext context, IEnumerable <Attribute> attributes)
{
if (metadata.ContainerType == null)
{
return(base.GetValidators(metadata, context, attributes));
}
if (metadata.ContainerType.GetCustomAttribute <LocalizedModelAttribute>() == null)
{
return(base.GetValidators(metadata, context, attributes));
}
foreach (var attribute in attributes.OfType <ValidationAttribute>())
{
var resourceKey = ModelMetadataLocalizationHelper.BuildResourceKey($"{metadata.ContainerType.FullName}.{metadata.PropertyName}", attribute);
var translation = ModelMetadataLocalizationHelper.GetValue(resourceKey);
if (!string.IsNullOrEmpty(translation))
{
attribute.ErrorMessage = translation;
}
}
return(base.GetValidators(metadata, context, attributes));
}
