Added --update param to music

internal/music/controller.go

@@ -25,12 +25,32 @@ func LoadAlbums() ([]Album, error) {
 	return albums, nil
 }
 
-func ProcessAlbum(albumList []Album) error {
+func ProcessAlbum(albumList []Album, update bool) error {
 	fmt.Printf(" M U S I C\n")
 	utils.Sep()
 	for _, album := range albumList {
 		fmt.Printf("Title: %s\n", album.Title)
 
+		// If we're updating, the process is a bit different
+		if update {
+			outputDir := os.Getenv("MARKDOWN_OUTPUT_MUSIC_DIR")
+			mdFilePath := filepath.Join(outputDir, fmt.Sprintf("%s.md", utils.Sluggify(album.Title)))
+			frontmatter, content, err := utils.LoadMarkdown(mdFilePath)
+			if err != nil {
+				fmt.Printf(" ! Error loading markdown frontmatter for album %s: %v\n", album.Title, err)
+				continue
+			}
+			updatedFrontmatter := updateFrontmatterWithYAML(frontmatter, album)
+			err = utils.SaveUpdatedMarkdown(mdFilePath, updatedFrontmatter, content)
+			if err != nil {
+				fmt.Printf(" ! Error saving updated markdown for album %s: %v\n", album.Title, err)
+				continue
+			}
+			// We want to continue the loop here, in update's cases we don't
+			// want to do any api calls for info nor for images
+			continue
+		}
+
 		// If we dont have ID, search album by Title and get the ID
 		if album.ID == "" {
 			err := SearchAlbumByTitle(album.Title, &album)
@@ -83,3 +103,10 @@ func generateAlbumMarkdown(album Album) error {
 
 	return utils.GenerateMarkdown(templatePath, outputPath, data)
 }
+
+// Helper function to update only YAML fields that exist in both the frontmatter and YAML data
+func updateFrontmatterWithYAML(frontmatter utils.FrontMatter, album Album) utils.FrontMatter {
+	frontmatter.Date = album.Date
+	frontmatter.Rate = album.Rate
+	return frontmatter
+}

main.go

@@ -103,7 +103,7 @@ func processMusic(update bool) {
 		fmt.Printf("Error reading music file: %v\n", err)
 		return
 	}
-	err = music.ProcessAlbum(albumList)
+	err = music.ProcessAlbum(albumList, update)
 	if err != nil {
 		fmt.Printf("Error processing music: %v\n", err)
 	}