private bool MatchRule(LionUser user, RuleObj rule)
{
foreach (var condition in rule.Conditions)
{
var hasAttribute = false;
var attributeName = "";
foreach (var key in user.Custom.Keys)
{
if (key.Equals(condition.UserAttribute.Name))
{
hasAttribute = true;
attributeName = key;
break;
}
}
if (!hasAttribute)
{
return(false);
}
else
{
var attributeValue = user.Custom[attributeName].ToString();
if (!LionMatchOperator.Match(condition.Operation, attributeValue, condition.ExpectValue))
{
return(false);
}
}
}
return(true);
}
private bool MatchesUserTarget(LionUser user, bool defaultValue)
{
#region Targeting Off
if (!_flag.IsTargeting)
{
var targetingOffVairation = (from item in _flag.FeatureFlagVariations where item.FeatureFlagVariationGuid.Equals(_flag.TargetingOffVariation) select item).FirstOrDefault();
if (targetingOffVairation != null)
{
return(Boolean.Parse(targetingOffVairation.Value));
}
else
{
return(defaultValue);
}
}
#endregion
#region Targeting User
var feature_on_targeting_users = _flag.FeatureOnTargetingUsers;
if (feature_on_targeting_users.Any(i => i.Key.Equals(user.Key)))
{
return(true);
}
var feature_off_targeting_users = _flag.FeatureOffTargetingUsers;
if (feature_off_targeting_users.Any(i => i.Key.Equals(user.Key)))
{
return(false);
}
#endregion
#region Targeting Rule
foreach (var rule in _flag.Rules)
{
var isMatchRule = true;
foreach (var condition in rule.Conditions)
{
if (!isMatchRule)
{
break;
}
if (condition.UserAttribute.DataType.Equals("group"))
{
var segment = (from item in _flag.FeatureFlagSegments where item.SegmentGuid.ToString().Equals(condition.ExpectValue) select item).FirstOrDefault();
if (segment == null)
{
isMatchRule = false;
break;
}
else
{
var userBelongSegment = CheckUserBelongSegment(user, segment);
if ((!userBelongSegment && condition.UserAttribute.Name.Equals("用户在组中")) || (userBelongSegment && condition.UserAttribute.Name.Equals("用户不在组中")))
{
isMatchRule = false;
break;
}
}
}
else
{
var hasAttribute = false;
var attributeName = "";
foreach (var key in user.Custom.Keys)
{
if (key.Equals(condition.UserAttribute.Name))
{
hasAttribute = true;
attributeName = key;
break;
}
}
if (!hasAttribute)
{
isMatchRule = false;
break;
}
else
{
#region Get User Attibute Value
var attributeValue = user.Custom[attributeName].ToString();
isMatchRule = LionMatchOperator.Match(condition.Operation, attributeValue, condition.ExpectValue);
#endregion
}
}
}
//All conditions are passed
if (isMatchRule)
{
var matchedVariation = (from item in _flag.FeatureFlagVariations where item.FeatureFlagVariationGuid.Equals(rule.VariationGuid) select item).FirstOrDefault();
if (matchedVariation != null)
{
return(Boolean.Parse(matchedVariation.Value));
}
}
}
#endregion
#region Default
var defaultVariation = (from item in _flag.FeatureFlagVariations where item.FeatureFlagVariationGuid.Equals(_flag.DefaultVariation) select item).FirstOrDefault();
if (defaultVariation != null)
{
return(Boolean.Parse(defaultVariation.Value));
}
else
{
return(defaultValue);
}
#endregion
}
