/// <summary>
/// Finds a validated forced decision.
/// </summary>
/// <param name="context">Object containing flag and rule key of which forced decision is set.</param>
/// <param name="config">The Project config.</param>
/// <param name="user">Optimizely user context.</param>
/// <returns>A result with the variation</returns>
public Result <Variation> ValidatedForcedDecision(OptimizelyDecisionContext context, ProjectConfig config, OptimizelyUserContext user)
{
DecisionReasons reasons = new DecisionReasons();
var userId = user.GetUserId();
var forcedDecision = user.GetForcedDecision(context);
if (config != null && forcedDecision != null)
{
var loggingKey = context.RuleKey != null ? "flag (" + context.FlagKey + "), rule (" + context.RuleKey + ")" : "flag (" + context.FlagKey + ")";
var variationKey = forcedDecision.VariationKey;
var variation = config.GetFlagVariationByKey(context.FlagKey, variationKey);
if (variation != null)
{
reasons.AddInfo("Decided by forced decision.");
reasons.AddInfo("Variation ({0}) is mapped to {1} and user ({2}) in the forced decision map.", variationKey, loggingKey, userId);
return(Result <Variation> .NewResult(variation, reasons));
}
else
{
reasons.AddInfo("Invalid variation is mapped to {0} and user ({1}) in the forced decision map.", loggingKey, userId);
}
}
return(Result <Variation> .NullResult(reasons));
}