初始化项目

scanner.go

@@ -0,0 +1,95 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/dhowden/tag"
+)
+
+type ScannedSong struct {
+	Title    string
+	Artist   string
+	Album    string
+	Duration int
+	Path     string
+}
+
+func scanDirectory(dirPath string) ([]ScannedSong, error) {
+	songs := []ScannedSong{}
+
+	if _, err := os.Stat(dirPath); os.IsNotExist(err) {
+		return songs, err
+	}
+	filepath.Walk(dirPath, func(path string, info os.FileInfo, err error) error {
+
+		if info.IsDir() {
+			return nil
+		}
+
+		if !isAudioFile(path) {
+			return nil
+		}
+
+		if song, err := processAudioFile(path); err != nil {
+			return err
+		} else {
+			songs = append(songs, song)
+		}
+		return nil
+	})
+
+	return songs, nil
+}
+
+func processAudioFile(filePath string) (ScannedSong, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return ScannedSong{}, fmt.Errorf("failed to open file: %v", err)
+	}
+	defer file.Close()
+
+	// Read metadata
+	metadata, err := tag.ReadFrom(file)
+	if err != nil {
+		return ScannedSong{}, fmt.Errorf("failed to read metadata: %v", err)
+	}
+
+	// Extract metadata
+	title := metadata.Title()
+	if title == "" {
+		title = filepath.Base(filePath)
+	}
+
+	artist := metadata.Artist()
+	if artist == "" {
+		artist = "Unknown Artist"
+	}
+
+	album := metadata.Album()
+	if album == "" {
+		album = "Unknown Album"
+	}
+
+	return ScannedSong{
+		Title:    title,
+		Artist:   artist,
+		Album:    album,
+		Duration: 100,
+		Path:     filePath,
+	}, nil
+}
+
+func isAudioFile(path string) bool {
+	ext := strings.ToLower(filepath.Ext(path))
+	audioExtensions := []string{".mp3", ".flac", ".m4a", ".wav", ".ogg"}
+
+	for _, audioExt := range audioExtensions {
+		if ext == audioExt {
+			return true
+		}
+	}
+	return false
+}