add support for invoking and assigning scenes by name.

models/scene.go

@@ -299,6 +299,7 @@ const (
 // instance is created for the group.
 type DeviceSceneAssignment struct {
 	SceneID    int       `json:"sceneId"`
+	SceneName  string    `json:"sceneName"`
 	Group      string    `json:"group"`
 	StartTime  time.Time `json:"start"`
 	DurationMS int64     `json:"durationMs"`
@@ -306,6 +307,7 @@ type DeviceSceneAssignment struct {
 
 type SceneRepository interface {
 	Find(ctx context.Context, id int) (*Scene, error)
+	FindName(ctx context.Context, name string) (*Scene, error)
 	FetchAll(ctx context.Context) ([]Scene, error)
 	Save(ctx context.Context, bridge *Scene) error
 	Delete(ctx context.Context, bridge *Scene) error