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package service
import (
"context"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"codeberg.org/snonux/player/internal/model"
)
func (s *mediaService) SoftDeleteMedia(ctx context.Context, mediaID, userID int64) error {
_, err := s.verifyModifyAccess(ctx, mediaID, userID)
if err != nil {
return err
}
return s.store.SoftDeleteMedia(ctx, mediaID)
}
func (s *mediaService) RestoreMedia(ctx context.Context, mediaID, userID int64) error {
_, err := s.verifyModifyAccess(ctx, mediaID, userID)
if err != nil {
return err
}
return s.store.RestoreMedia(ctx, mediaID)
}
func (s *mediaService) uniqueFilename(dir, filename string) string {
filename = filepath.Base(filename)
if filename == "." || filename == ".." || filename == "" {
return ""
}
ext := filepath.Ext(filename)
base := strings.TrimSuffix(filename, ext)
candidate := filepath.Join(dir, filename)
if _, err := os.Stat(candidate); os.IsNotExist(err) {
return candidate
}
for i := 1; ; i++ {
candidate = filepath.Join(dir, fmt.Sprintf("%s(%d)%s", base, i, ext))
if _, err := os.Stat(candidate); os.IsNotExist(err) {
return candidate
}
}
}
func (s *mediaService) UploadMedia(ctx context.Context, setID, userID int64, filename string, data io.Reader, size int64) (*model.Media, error) {
set, err := s.store.GetSetByID(ctx, setID)
if err != nil {
return nil, fmt.Errorf("get set: %w", err)
}
if set == nil {
return nil, ErrNotFound
}
if err := s.verifySetModifyAccess(ctx, setID, userID); err != nil {
return nil, err
}
if !isSupportedExtension(filename) {
return nil, fmt.Errorf("%w: %s", ErrUnsupportedExtension, filepath.Ext(filename))
}
dir := filepath.Clean(filepath.Join(s.mediaRoot, set.RootPath))
if err := os.MkdirAll(dir, 0o755); err != nil {
return nil, fmt.Errorf("mkdir: %w", err)
}
path := s.uniqueFilename(dir, filename)
if !strings.HasPrefix(filepath.Clean(path), filepath.Clean(dir)+string(filepath.Separator)) {
return nil, errors.New("invalid filename")
}
media, err := s.saveUploadedMedia(ctx, setID, path, data, size)
if err != nil {
os.Remove(path)
return nil, err
}
meta, err := s.probeMedia(ctx, path)
if err != nil {
os.Remove(path)
s.store.HardDeleteMedia(ctx, media.ID)
return nil, err
}
media.Duration = meta.Duration
media.Codec = meta.Codec
media.Resolution = meta.Resolution
media.Bitrate = meta.Bitrate
media.Width = meta.Width
media.Height = meta.Height
media.EXIFCamera = meta.EXIFCamera
media.EXIFLens = meta.EXIFLens
media.EXIFDate = meta.EXIFDate
media.EXIFISO = meta.EXIFISO
media.EXIFFNumber = meta.EXIFFNumber
media.EXIFExposure = meta.EXIFExposure
media.EXIFFocalLength = meta.EXIFFocalLength
if media.Type == model.MediaTypeVideo || media.Type == model.MediaTypeImage {
if err := s.generateThumbnail(ctx, media, meta.Duration); err != nil {
os.Remove(path)
_ = s.store.HardDeleteMedia(ctx, media.ID)
return nil, err
}
}
if err := s.store.UpdateMedia(ctx, media); err != nil {
os.Remove(path)
_ = s.store.HardDeleteMedia(ctx, media.ID)
return nil, fmt.Errorf("update media metadata: %w", err)
}
return media, nil
}
// saveUploadedMedia writes data to disk and creates a minimal media row.
func (s *mediaService) saveUploadedMedia(ctx context.Context, setID int64, path string, data io.Reader, size int64) (*model.Media, error) {
f, err := os.Create(path)
if err != nil {
return nil, fmt.Errorf("create file: %w", err)
}
defer f.Close()
n, err := io.Copy(f, data)
if err != nil {
return nil, fmt.Errorf("write file: %w", err)
}
now := s.clock.Now()
media := &model.Media{
SetID: setID,
RelPath: filepath.Base(path),
FileName: filepath.Base(path),
AbsPath: path,
Type: guessMediaType(filepath.Base(path)),
FileSizeBytes: n,
CreatedAt: now,
}
_ = size
id, err := s.store.CreateMedia(ctx, media)
if err != nil {
return nil, fmt.Errorf("create media: %w", err)
}
media.ID = id
return media, nil
}
// probeMedia extracts metadata from the uploaded file.
func (s *mediaService) probeMedia(ctx context.Context, path string) (*model.Metadata, error) {
if s.prober == nil {
return &model.Metadata{}, nil
}
meta, err := s.prober.Probe(ctx, path)
if err != nil {
return nil, fmt.Errorf("probe media: %w", err)
}
return meta, nil
}
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