/// <summary> Wrapper method of ChooseRank </summary>
public override RankingResponseWrapper ChooseRank(string eventId, string contextJson, ActionFlags actionFlags)
{
RankingResponse rankingResponse = liveModel.ChooseRank(eventId, contextJson, actionFlags);
RankingResponseWrapper rankingResponseWrapper = rankingResponse == null ? null : new RankingResponseWrapper(rankingResponse);
return(rankingResponseWrapper);
}
/// <summary>
/// Create rank result based on Rl.Net response
/// </summary>
public static PersonalizerRankResult GenerateRankResult(List <PersonalizerRankableAction> originalActions,
List <PersonalizerRankableAction> rankableActions, List <PersonalizerRankableAction> excludedActions,
RankingResponseWrapper rankingResponse, string eventId)
{
var rankedIndices = rankingResponse?.Select(actionProbability => ((int)actionProbability.ActionIndex + 1)).ToArray();
var rankingProbabilities = rankingResponse?.Select(actionProbability =>
actionProbability.Probability).ToArray();
return(GenerateRankResultInner(originalActions, rankableActions, excludedActions, rankedIndices, rankingProbabilities, eventId));
}
public Response <PersonalizerRankResult> Rank(PersonalizerRankOptions options)
{
string eventId = options.EventId;
if (String.IsNullOrEmpty(eventId))
{
eventId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
}
HashSet <string> excludedSet = new HashSet <string>(options.ExcludedActions);
// Store the original action list
List <PersonalizerRankableAction> originalActions = new List <PersonalizerRankableAction>();
List <PersonalizerRankableAction> rankableActions = new List <PersonalizerRankableAction>();
List <PersonalizerRankableAction> excludedActions = new List <PersonalizerRankableAction>();
int idx = 0;
foreach (var action in options.Actions)
{
PersonalizerRankableAction actionCopy = new PersonalizerRankableAction(action.Id, action.Features);
actionCopy.Index = idx;
originalActions.Add(actionCopy);
if (excludedSet.Contains(actionCopy.Id))
{
excludedActions.Add(actionCopy);
}
else
{
rankableActions.Add(actionCopy);
}
++idx;
}
// Convert options to the compatible parameter for ChooseRank
var contextJson = RlObjectConverter.ConvertToContextJson(options.ContextFeatures, rankableActions);
ActionFlags flags = options.DeferActivation == true ? ActionFlags.Deferred : ActionFlags.Default;
// Call ChooseRank of local RL.Net
RankingResponseWrapper rankingResponseWrapper = liveModel.ChooseRank(eventId, contextJson, flags);
// Convert response to PersonalizerRankResult
var value = RlObjectConverter.GenerateRankResult(originalActions, rankableActions, excludedActions, rankingResponseWrapper, options.EventId);
return(Response.FromValue(value, default));
}
