internal static bool HasOption(FlagsStateOption[] options, FlagsStateOption option)
{
foreach (var o in options)
{
if (o == option)
{
return(true);
}
}
return(false);
}
/// <inheritdoc/>
public FeatureFlagsState AllFlagsState(User user, params FlagsStateOption[] options)
{
if (IsOffline())
{
_evalLog.Warn("AllFlagsState() called when client is in offline mode; returning empty state");
return(new FeatureFlagsState(false));
}
if (!Initialized)
{
if (_dataStore.Initialized())
{
_evalLog.Warn("AllFlagsState() called before client initialized; using last known values from data store");
}
else
{
_evalLog.Warn("AllFlagsState() called before client initialized; data store unavailable, returning empty state");
return(new FeatureFlagsState(false));
}
}
if (user == null || user.Key == null)
{
_evalLog.Warn("AllFlagsState() called with null user or null user key; returning empty state");
return(new FeatureFlagsState(false));
}
var builder = new FeatureFlagsStateBuilder(options);
var clientSideOnly = FlagsStateOption.HasOption(options, FlagsStateOption.ClientSideOnly);
var withReasons = FlagsStateOption.HasOption(options, FlagsStateOption.WithReasons);
var detailsOnlyIfTracked = FlagsStateOption.HasOption(options, FlagsStateOption.DetailsOnlyForTrackedFlags);
KeyedItems <ItemDescriptor> flags;
try
{
flags = _dataStore.GetAll(DataModel.Features);
}
catch (Exception e)
{
LogHelpers.LogException(_log, "Exception while retrieving flags for AllFlagsState", e);
return(new FeatureFlagsState(false));
}
foreach (var pair in flags.Items)
{
if (pair.Value.Item is null || !(pair.Value.Item is FeatureFlag flag))
{
continue;
}
if (clientSideOnly && !flag.ClientSide)
{
continue;
}
try
{
Evaluator.EvalResult result = _evaluator.Evaluate(flag, user, EventFactory.Default);
builder.AddFlag(flag.Key, result.Result.Value, result.Result.VariationIndex,
result.Result.Reason, flag.Version, flag.TrackEvents, flag.DebugEventsUntilDate);
}
catch (Exception e)
{
LogHelpers.LogException(_evalLog,
string.Format("Exception caught for feature flag \"{0}\" when evaluating all flags", flag.Key),
e);
EvaluationReason reason = EvaluationReason.ErrorReason(EvaluationErrorKind.Exception);
builder.AddFlag(flag.Key, new EvaluationDetail <LdValue>(LdValue.Null, null, reason));
}
}
return(builder.Build());
}