public Task BindModelAsync(ModelBindingContext bindingContext)
{
if (!bindingContext.ModelMetadata.IsEnumerableType)
{
return(bindingContext.FailedResultAsync());
}
if (string.IsNullOrWhiteSpace(bindingContext.InputtedValue()))
{
return(bindingContext.NullResultAsync());
}
var typedValues = bindingContext.CreateArrayOfCertainType();
bindingContext.ConvertItemsToEnumerableType().CopyTo(typedValues, 0);
bindingContext.Model = typedValues;
return(bindingContext.SuccessResultAsync());
}
public static object[] ConvertItemsToEnumerableType(this ModelBindingContext bindingContext) =>
bindingContext.InputtedValue().Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries)
.Select(x => TypeDescriptor.GetConverter(bindingContext.ModelType.GetTypeInfo()
.GenericTypeArguments[0]).ConvertFromString(x.Trim()))
.ToArray();
