private EvaluationDetail <LdValue> Evaluate(User user, IFeatureStore featureStore, IList <FeatureRequestEvent> events,
EventFactory eventFactory)
{
if (!On)
{
return(GetOffValue(EvaluationReason.OffReason));
}
var prereqFailureReason = CheckPrerequisites(user, featureStore, events, eventFactory);
if (prereqFailureReason != null)
{
return(GetOffValue(prereqFailureReason));
}
// Check to see if targets match
if (Targets != null)
{
foreach (var target in Targets)
{
foreach (var v in target.Values)
{
if (user.Key == v)
{
return(GetVariation(target.Variation, EvaluationReason.TargetMatchReason));
}
}
}
}
// Now walk through the rules and see if any match
if (Rules != null)
{
for (int i = 0; i < Rules.Count; i++)
{
Rule rule = Rules[i];
if (rule.MatchesUser(user, featureStore))
{
return(GetValueForVariationOrRollout(rule, user,
EvaluationReason.RuleMatchReason(i, rule.Id)));
}
}
}
// Walk through the fallthrough and see if it matches
return(GetValueForVariationOrRollout(Fallthrough, user, EvaluationReason.FallthroughReason));
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
LdValue o = (LdValue)LdValueSerializer.Instance.ReadJson(reader, typeof(LdValue), LdValue.Null, serializer);
if (o.IsNull)
{
return(null);
}
EvaluationReasonKind kind = (EvaluationReasonKind)Enum.Parse(typeof(EvaluationReasonKind), o.Get("kind").AsString);
switch (kind)
{
case EvaluationReasonKind.OFF:
return(EvaluationReason.OffReason);
case EvaluationReasonKind.FALLTHROUGH:
return(EvaluationReason.FallthroughReason);
case EvaluationReasonKind.TARGET_MATCH:
return(EvaluationReason.TargetMatchReason);
case EvaluationReasonKind.RULE_MATCH:
var index = o.Get("ruleIndex").AsInt;
var id = o.Get("ruleId").AsString;
return(EvaluationReason.RuleMatchReason(index, id));
case EvaluationReasonKind.PREREQUISITE_FAILED:
var key = o.Get("prerequisiteKey").AsString;
return(EvaluationReason.PrerequisiteFailedReason(key));
case EvaluationReasonKind.ERROR:
var errorKind = (EvaluationErrorKind)Enum.Parse(typeof(EvaluationErrorKind), o.Get("errorKind").AsString);
return(EvaluationReason.ErrorReason(errorKind));
}
throw new ArgumentException();
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JObject o = serializer.Deserialize <JObject>(reader);
if (o == null)
{
return(null);
}
EvaluationReasonKind kind = o.GetValue("kind").ToObject <EvaluationReasonKind>();
switch (kind)
{
case EvaluationReasonKind.OFF:
return(EvaluationReason.OffReason);
case EvaluationReasonKind.FALLTHROUGH:
return(EvaluationReason.FallthroughReason);
case EvaluationReasonKind.TARGET_MATCH:
return(EvaluationReason.TargetMatchReason);
case EvaluationReasonKind.RULE_MATCH:
var index = (int)o.GetValue("ruleIndex");
var id = (string)o.GetValue("ruleId");
return(EvaluationReason.RuleMatchReason(index, id));
case EvaluationReasonKind.PREREQUISITE_FAILED:
var key = (string)o.GetValue("prerequisiteKey");
return(EvaluationReason.PrerequisiteFailedReason(key));
case EvaluationReasonKind.ERROR:
var errorKind = o.GetValue("errorKind").ToObject <EvaluationErrorKind>();
return(EvaluationReason.ErrorReason(errorKind));
}
throw new ArgumentException();
}