add update node

internal/services/story_service/service.go

@@ -11,23 +11,24 @@ import (
 )
 
 type StoryService struct {
-	story *Story
+	filepath string
+	story    *Story
 }
 
 func NewStoryService(filepath string) (*StoryService, error) {
-	s := &StoryService{}
-	if err := s.Load(filepath); err != nil {
+	s := &StoryService{filepath: filepath}
+	if err := s.Load(); err != nil {
 		return nil, err
 	}
 	return s, nil
 }
 
-func (s *StoryService) Load(filepath string) error {
-	data, err := os.ReadFile(filepath)
+func (s *StoryService) Load() error {
+	data, err := os.ReadFile(s.filepath)
 	if err != nil {
-		return fmt.Errorf("story file %s not found", filepath)
+		return fmt.Errorf("story file %s not found", s.filepath)
 	}
-	log.Printf("load story from: %s", filepath)
+	log.Printf("load story from: %s", s.filepath)
 	story := &Story{}
 	if err := json.Unmarshal(data, story); err != nil {
 		return err
@@ -36,19 +37,26 @@ func (s *StoryService) Load(filepath string) error {
 	return nil
 }
 
-func (s *StoryService) Save(filepath string) error {
+func (s *StoryService) Save() error {
 	story := s.story
 	data, err := json.Marshal(story)
 	if err != nil {
 		return err
 	}
-	if err := os.WriteFile(filepath, data, 0x777); err != nil {
+	if err := os.WriteFile(s.filepath, data, 0x777); err != nil {
 		return err
 	}
-	log.Printf("save story to: %s", filepath)
+	log.Printf("save story to: %s", s.filepath)
 	return nil
 }
 
+func (s *StoryService) Update() error {
+	if err := s.Save(); err != nil {
+		return err
+	}
+	return s.Load()
+}
+
 func (s *StoryService) GetPlace(code string) *Place {
 	if strings.HasPrefix(code, "[") || strings.HasSuffix(code, "]") {
 		return &Place{
@@ -77,6 +85,22 @@ func (s *StoryService) GetPlace(code string) *Place {
 	}
 }
 
+func (s *StoryService) UpdatePlace(node *GraphNode) error {
+	for i := range s.story.Places {
+		if s.story.Places[i].Code == node.Label {
+			s.story.Places[i] = &Place{
+				Code:         s.story.Places[i].Code,
+				Name:         node.Name,
+				Text:         node.Text,
+				Applications: s.story.Places[i].Applications,
+			}
+			break
+		}
+	}
+	s.Update()
+	return nil
+}
+
 func (s *StoryService) GetGraph(ctx context.Context) *Graph {
 	m := make(map[string]int32, len(s.story.Places))
 	nodes := make([]*GraphNode, 0, len(s.story.Places))