初始化项目

internal/service/library.go

@@ -0,0 +1,106 @@
+package service
+
+import (
+	"butterfliu/internal/repository"
+	"butterfliu/internal/scanner"
+	"log"
+)
+
+type LibraryService struct {
+	repo *repository.LibraryRepository
+}
+
+func NewLibraryService(repo *repository.LibraryRepository) *LibraryService {
+	return &LibraryService{repo: repo}
+}
+
+func (s *LibraryService) GetAll() ([]repository.Library, error) {
+	return s.repo.GetAll()
+}
+
+func (s *LibraryService) GetByID(id int) (repository.Library, error) {
+	return s.repo.GetByID(id)
+}
+
+func (s *LibraryService) Create(name, path string) (repository.Library, error) {
+	return s.repo.Create(name, path)
+}
+
+func (s *LibraryService) UpdateName(id int, name string) error {
+	return s.repo.UpdateName(id, name)
+}
+
+func (s *LibraryService) UpdatePath(id int, path string) error {
+	return s.repo.UpdatePath(id, path)
+}
+
+func (s *LibraryService) Delete(id int) error {
+	return s.repo.Delete(id)
+}
+
+func (s *LibraryService) GetSongs(id int) ([]repository.SongDetail, error) {
+	return s.repo.GetSongsByLibraryWithDetails(id)
+}
+
+func (s *LibraryService) GetAllSongs() ([]repository.SongDetail, error) {
+	return s.repo.GetAllSongsWithDetails()
+}
+
+func (s *LibraryService) GetArtists() ([]repository.Artist, error) {
+	return s.repo.GetArtists()
+}
+
+func (s *LibraryService) GetAlbums() ([]repository.Album, error) {
+	return s.repo.GetAlbums()
+}
+
+func (s *LibraryService) Scan(id int) error {
+	lib, err := s.repo.GetByID(id)
+	if err != nil {
+		return err
+	}
+
+	scannedSongs, err := scanner.ScanDirectory(lib.Path)
+	if err != nil {
+		return err
+	}
+
+	log.Println("Scanned songs:", len(scannedSongs))
+
+	for _, song := range scannedSongs {
+		mediaFile, err := s.repo.GetMediaFileByPath(song.Path)
+		if err != nil {
+			mediaFile, err = s.repo.CreateMediaFile(song.Path, id)
+			if err != nil {
+				log.Println("Error adding media file:", song.Path, err)
+				continue
+			}
+		}
+
+		artist, err := s.repo.GetArtistByName(song.Artist)
+		if err != nil {
+			artist, err = s.repo.CreateArtist(song.Artist)
+			if err != nil {
+				log.Println("Error adding artist:", song.Artist, err)
+				continue
+			}
+		}
+
+		album, err := s.repo.GetAlbumByTitleAndArtist(song.Album, artist.ID)
+		if err != nil {
+			album, err = s.repo.CreateAlbum(song.Album, artist.ID)
+			if err != nil {
+				log.Println("Error adding album:", err)
+				continue
+			}
+		}
+
+		_, err = s.repo.CreateSong(song.Title, artist.ID, album.ID, song.Duration, mediaFile.ID)
+		if err != nil {
+			log.Printf("Song already exists or error adding: %s - %v", song.Title, err)
+			continue
+		}
+	}
+
+	return nil
+}