Fix: title cant be updated

Doesn't make sense because the first thing it does is to search by title in disk
The md won't be found

internal/books/controller.go

@@ -25,12 +25,29 @@ func LoadBooks() ([]Book, error) {
 	return books, nil
 }
 
-func ProcessBooks(books []Book) error {
+func ProcessBooks(books []Book, update bool) error {
 	fmt.Printf(" B O O K S\n")
 	utils.Sep()
 	for _, book := range books {
 		fmt.Printf("Title: %s, Author: %s, ID: %s\n", book.Title, book.Author, book.ID)
 
+		// If we're updating, the process is a bit different
+		if update {
+			outputDir := os.Getenv("MARKDOWN_OUTPUT_BOOKS_DIR")
+			mdFilePath := filepath.Join(outputDir, fmt.Sprintf("%s.md", utils.Sluggify(book.Title)))
+			frontmatter, content, err := utils.LoadMarkdown(mdFilePath)
+			if err != nil {
+				fmt.Printf(" ! Error loading markdown frontmatter for book %s: %v\n", book.Title, err)
+				continue
+			}
+			updatedFrontmatter := updateFrontmatterWithYAML(frontmatter, book)
+			err = utils.SaveUpdatedMarkdown(mdFilePath, updatedFrontmatter, content)
+			if err != nil {
+				fmt.Printf(" ! Error saving updated markdown for book %s: %v\n", book.Title, err)
+				continue
+			}
+		}
+
 		// If we dont have ID, search movie by Title and get the ID
 		if book.ID == "" {
 			err := SearchBookByTitle(book.Title, &book)
@@ -85,3 +102,12 @@ func generateBookMarkdown(book Book) 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, book Book) utils.FrontMatter {
+	// Update fields (adapt based on your actual Book struct)
+	frontmatter.Progress = book.Progress
+	frontmatter.Date = book.Date
+	frontmatter.Rate = book.Rate
+	return frontmatter
+}

utils/markdown.go

@@ -97,14 +97,12 @@ func SaveUpdatedMarkdown(filepath string, frontmatter FrontMatter, content strin
 
 	// Define regex patterns to match specific fields in the frontmatter
 	fieldPatterns := map[string]string{
-		"title":    fmt.Sprintf(`(?m)^title: "(.*)"`),
 		"progress": fmt.Sprintf(`(?m)^progress: "(.*)"`),
 		"date":     fmt.Sprintf(`(?m)^date: (\d+)$`),
 		"rate":     fmt.Sprintf(`(?m)^rate: (\d+\.?\d*)$`),
 	}
 
 	// Replace the relevant fields in the frontmatter using regex substitution
-	fileContent = updateFieldInFrontmatter(fileContent, "title", frontmatter.Title, fieldPatterns["title"])
 	fileContent = updateFieldInFrontmatter(fileContent, "progress", frontmatter.Progress, fieldPatterns["progress"])
 	fileContent = updateFieldInFrontmatter(fileContent, "date", fmt.Sprintf("%d", frontmatter.Date), fieldPatterns["date"])
 	fileContent = updateFieldInFrontmatterFloat(fileContent, "rate", frontmatter.Rate, fieldPatterns["rate"])