wip: scene sessions

bot_scene.go

@@ -0,0 +1,61 @@
+package laniakea
+
+func (bot *Bot[T]) GetSession(key string) (SceneSession, error) {
+	return bot.sessionStore.Get(key)
+}
+
+func (bot *Bot[T]) SetSession(key string, session SceneSession) error {
+	return bot.sessionStore.Set(key, session)
+}
+
+func (bot *Bot[T]) DeleteSession(key string) error {
+	return bot.sessionStore.Delete(key)
+}
+func (bot *Bot[T]) FindScene(name string) (*sceneMeta, bool) {
+	for _, plugin := range bot.plugins {
+		scene, ok := plugin.scenes[name]
+		if !ok {
+			continue
+		}
+
+		steps := make(map[string]struct{}, len(scene.steps))
+		for step := range scene.steps {
+			steps[step] = struct{}{}
+		}
+
+		return &sceneMeta{
+			Name:  scene.Name,
+			Scope: scene.Scope,
+			Entry: scene.Entry,
+			Steps: steps,
+		}, true
+	}
+	return nil, false
+}
+
+func (bot *Bot[T]) FindSceneSession(ctx *MsgContext) (string, SceneSession, error) {
+	var zero SceneSession
+	if ctx.Msg == nil {
+		return "", zero, ErrMessageNil
+	}
+
+	for _, scope := range bot.sceneScopePriority {
+		key, ok := buildSceneKey(scope, ctx)
+		if !ok {
+			continue
+		}
+
+		session, err := bot.sessionStore.Get(key)
+		if err != nil {
+			return "", zero, err
+		}
+		if session.Scene != "" {
+			return key, session, nil
+		}
+	}
+
+	return "", zero, ErrCantFindSession
+}
+func (bot *Bot[T]) BuildSceneKey(scope SceneScope, ctx *MsgContext) (string, bool) {
+	return buildSceneKey(scope, ctx)
+}