func (c *Client) Set(ft *models.Feature) error {
defer c.Store.Close()
var existing *models.Feature
kvb, err := c.Store.Get(ft.ScopedKey())
if err != nil {
return err
}
if kvb != nil {
err = json.Unmarshal(kvb.Bytes, &existing)
if err != nil {
return err
}
}
if err != nil {
return err
}
if existing != nil {
if ft.Comment == "" {
ft.Comment = existing.Comment
}
if ft.Value == nil {
ft.Value = existing.Value
}
if ft.FeatureType != existing.FeatureType && ft.FeatureType != "" {
return ErrTypeChange
}
if ft.FeatureType == "" {
ft.FeatureType = existing.FeatureType
}
} else {
if ft.Value == nil {
return ErrNilValue
}
}
bts, err := ft.ToJSON()
if err != nil {
return err
}
err = c.Store.Set(ft.ScopedKey(), bts)
if err != nil {
return err
}
err = c.SendStatEvent(ft, false)
return nil
}
