// FindNonNilCloud returns items which have mapped to cloud.
func (m *DB) FindNonNilCloud(serverLocation, appID string) ([]common.MapItem, error) {
var onboardedItems []common.MapItem
err := m.db.View(func(tx *bolt.Tx) (err error) {
items := tx.Bucket([]byte(boltItemBucket))
onboardedItems = make([]common.MapItem, 0)
err = items.ForEach(func(k, v []byte) error {
enAdr, err1 := common.ParseEndnodeAddress(string(k))
if err1 != nil {
return err1
}
if enAdr.IsMatch(serverLocation, appID) {
item, err1 := m.unmarshalMapItem(v)
if err1 != nil {
return err1
}
if item.CloudAddress != nil {
onboardedItems = append(onboardedItems, item)
}
}
return nil
})
return err
})
if err != nil {
return nil, err
}
return onboardedItems, nil
}
// unmarshalMapItem deserializes into a common.MapItem (using JSON).
func (m *DB) unmarshalMapItem(b []byte) (common.MapItem, error) {
var v mapItemJSON
err := json.Unmarshal(b, &v)
if err != nil {
return common.MapItem{}, err
}
item := common.MapItem{States: v.State, ThingProperties: v.ThingProperties}
if v.EndnodeID != nil {
item.EndnodeAddress, err = common.ParseEndnodeAddress(*v.EndnodeID)
if err != nil {
return common.MapItem{}, err
}
}
if v.CloudID != nil {
item.CloudAddress, err = common.ParseCloudAddress(*v.CloudID)
if err != nil {
return common.MapItem{}, err
}
}
return item, nil
}