public ICommandStrategy <TResource> GetOrThrow(UnsafeMethod method)
{
if (!ContainsKey(method))
{
throw new MethodNotAllowedException(method, typeof(TResource));
}
return(this[method]);
}
private async Task <IHttpActionResult> GetResultFromMethodFeedbackAsync(UnsafeMethod method, ResourceBody body)
{
IRestEndpoint endpoint = GetEndpoint();
if (!endpoint.EvaluatePreconditions(GetPreconditions()))
{
return(StatusCode(HttpStatusCode.PreconditionFailed));
}
Feedback feedback = await endpoint.CommandAsync(method, body);
return(GetResultFromFeedback(feedback));
}
public Task <Feedback> CommandAsync(UnsafeMethod method, ResourceBody body)
{
ICommandStrategy <IRestCollection> strategy = Context.Services.Strategies.ForCollections.GetOrThrow(method);
return(strategy.ExecuteAsync(Collection, Context, body));
}
internal MethodNotAllowedException(UnsafeMethod method, Type resourceType)
: base(ErrorStatus.MethodNotAllowed, GetMessage(method, resourceType))
{
}
private static string GetMessage(UnsafeMethod method, Type resourceType)
{
string resourceTypeName = resourceType.Name.Replace("IRest", string.Empty).ToLower();
return("The " + method.ToString().ToUpper() + " method is not allowed on a " + resourceTypeName);
}
public Task <Feedback> CommandAsync(UnsafeMethod method, ResourceBody body)
{
throw new NotImplementedException("Not implemented unsafe strategies on dictionaries yet.");
// TODO could implement PUTs with multi updates ?
}
public Task <Feedback> CommandAsync(UnsafeMethod method, ResourceBody body)
{
throw new MethodNotAllowedException("Only safe methods are allowed on the directory.");
}
