/// <summary>
/// Adds a type to a <see cref="FilterCollection" /> if it doesn't already exist.
/// </summary>
/// <typeparam name="TType">The type of the t type.</typeparam>
/// <param name="col">The col.</param>
/// <param name="order">Filter order</param>
/// <returns>FilterCollection.</returns>
public static FilterCollection TryAdd <TType>(this FilterCollection col, int?order = null)
where TType : IFilterMetadata
{
var vt = typeof(TType);
if (col.All(t =>
{
// Yet more lameness, really should be able to do a simple test here...
return(t switch
{
TypeFilterAttribute tf => tf.ImplementationType != vt,
ServiceFilterAttribute sf => sf.ServiceType != vt,
FormatFilterAttribute ff => ff.GetType() != vt,
ResultFilterAttribute rs => rs.GetType() != vt,
ExceptionFilterAttribute ef => ef.GetType() != vt,
ActionFilterAttribute af => af.GetType() != vt,
_ => t.GetType() != vt
});
}
public override void OnException(HttpActionExecutedContext actionExecutedContext)
{
_traceStore.TraceBeginEnd(
actionExecutedContext.Request,
TraceCategories.FiltersCategory,
TraceLevel.Info,
_innerFilter.GetType().Name,
OnExceptionMethodName,
beginTrace: (tr) =>
{
HttpResponseMessage response = actionExecutedContext.Response;
if (response != null)
{
tr.Status = response.StatusCode;
}
},
execute: () =>
{
_innerFilter.OnException(actionExecutedContext);
},
endTrace: (tr) =>
{
Exception returnedException = actionExecutedContext.Exception;
tr.Level = returnedException == null ? TraceLevel.Info : TraceLevel.Error;
tr.Exception = returnedException;
HttpResponseMessage response = actionExecutedContext.Response;
if (response != null)
{
tr.Status = response.StatusCode;
}
},
errorTrace: (tr) =>
{
HttpResponseMessage response = actionExecutedContext.Response;
if (response != null)
{
tr.Status = response.StatusCode;
}
});
}
