// Update a feature flag
func (interactor *FeatureService) UpdateFeature(featureKey string, newFeature m.FeatureFlag) (feature m.FeatureFlag, err error) {
_ = interactor.DB.Update(func(tx *bolt.Tx) error {
if feature, err = repos.GetFeature(tx, featureKey); err != nil {
return err
}
feature.Enabled = newFeature.Enabled
if len(newFeature.Users) > 0 {
feature.Users = newFeature.Users
}
if len(newFeature.Groups) > 0 {
feature.Groups = newFeature.Groups
}
if newFeature.Percentage > 0 {
feature.Percentage = newFeature.Percentage
}
return repos.PutFeature(tx, feature)
})
return
}
// Get a single feature flag thanks to its key
func (interactor *FeatureService) GetFeature(featureKey string) (feature m.FeatureFlag, err error) {
_ = interactor.DB.View(func(tx *bolt.Tx) error {
feature, err = repos.GetFeature(tx, featureKey)
return err
})
return
}
// Store a new feature flag in the database
func (interactor *FeatureService) AddFeature(newFeature m.FeatureFlag) error {
return interactor.DB.Update(func(tx *bolt.Tx) error {
feature, err := repos.GetFeature(tx, newFeature.Key)
if err != nil && err.Error() != "Unable to find feature" {
return err
}
if len(feature.Key) > 0 {
return fmt.Errorf("Feature already exists")
}
return repos.PutFeature(tx, newFeature)
})
}