/// <summary>
/// Adds a type representing an <see cref="IFilterMetadata"/> to a filter collection.
/// </summary>
/// <param name="filters">A collection of <see cref="IFilterMetadata"/>.</param>
/// <param name="filterType">Type representing an <see cref="IFilterMetadata"/>.</param>
/// <param name="order">The order of the added filter.</param>
/// <returns>An <see cref="IFilterMetadata"/> representing the added service type.</returns>
/// <remarks>
/// Filter instances will created through dependency injection. Use
/// <see cref="AddService(ICollection{IFilterMetadata}, Type)"/> to register a service that will be created via
/// type activation.
/// </remarks>
public static IFilterMetadata AddService(
[NotNull] this ICollection <IFilterMetadata> filters,
[NotNull] Type filterType,
int order)
{
if (!typeof(IFilterMetadata).GetTypeInfo().IsAssignableFrom(filterType.GetTypeInfo()))
{
var message = Resources.FormatTypeMustDeriveFromType(filterType.FullName, typeof(IFilterMetadata).FullName);
throw new ArgumentException(message, nameof(filterType));
}
var filter = new ServiceFilterAttribute(filterType)
{
Order = order
};
filters.Add(filter);
return(filter);
}
/// <summary>
/// Adds a type representing an <see cref="IFilter"/> to a filter collection.
/// </summary>
/// <param name="filters">A collection of <see cref="IFilter"/>.</param>
/// <param name="filterType">Type representing an <see cref="IFilter"/>.</param>
/// <param name="order">The order of the added filter.</param>
/// <returns>An <see cref="IFilter"/> representing the added service type.</returns>
/// <remarks>
/// Filter instances will created through dependency injection. Use
/// <see cref="AddService(ICollection{IFilter}, Type)"/> to register a service that will be created via
/// type activation.
/// </remarks>
public static IFilter AddService(
[NotNull] this ICollection<IFilter> filters,
[NotNull] Type filterType,
int order)
{
if (!typeof(IFilter).GetTypeInfo().IsAssignableFrom(filterType.GetTypeInfo()))
{
var message = Resources.FormatTypeMustDeriveFromType(filterType.FullName, typeof(IFilter).FullName);
throw new ArgumentException(message, nameof(filterType));
}
var filter = new ServiceFilterAttribute(filterType) { Order = order };
filters.Add(filter);
return filter;
}
