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using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
using Nop.Core;
namespace Nop.Web.Framework.Mvc.ModelBinding;
///
/// Represents metadata provider that adds custom attributes to the model's metadata, so it can be retrieved later
///
public partial class NopMetadataProvider : IDisplayMetadataProvider
{
///
/// Sets the values for properties of isplay metadata
///
/// Display metadata provider context
public void CreateDisplayMetadata(DisplayMetadataProviderContext context)
{
//get all custom attributes
var additionalValues = context.Attributes.OfType().ToList();
//and try add them as additional values of metadata
foreach (var additionalValue in additionalValues)
{
if (context.DisplayMetadata.AdditionalValues.ContainsKey(additionalValue.Name))
throw new NopException("There is already an attribute with the name '{0}' on this model", additionalValue.Name);
context.DisplayMetadata.AdditionalValues.Add(additionalValue.Name, additionalValue);
}
}
}