/// <summary>
/// Creates and returns an action descriptor mapping for the specified controller descriptor.
/// </summary>
/// <param name="controllerDescriptor">The <see cref="HttpControllerDescriptor">controller descriptor</see> to create a mapping for.</param>
/// <returns>A <see cref="ILookup{TKey,TValue}">lookup</see>, which represents the route-to-action mapping for the
/// specified <paramref name="controllerDescriptor">controller descriptor</paramref>.</returns>
public virtual ILookup <string, HttpActionDescriptor> GetActionMapping(HttpControllerDescriptor controllerDescriptor)
{
Arg.NotNull(controllerDescriptor, nameof(controllerDescriptor));
Contract.Ensures(Contract.Result <ILookup <string, HttpActionDescriptor> >() != null);
var internalSelector = GetInternalSelector(controllerDescriptor);
var actionMappings = new List <ILookup <string, HttpActionDescriptor> >();
actionMappings.Add(internalSelector.GetActionMapping());
foreach (var relatedControllerDescriptor in controllerDescriptor.GetRelatedCandidates())
{
if (relatedControllerDescriptor != controllerDescriptor)
{
actionMappings.Add(GetInternalSelector(relatedControllerDescriptor).GetActionMapping());
}
}
return(actionMappings.Count == 1 ? actionMappings[0] : new AggregatedActionMapping(actionMappings));
}
