Files
ds-galo/backend/internal/sharelinks/service.go
iu 176a8d8ced feat(metadata): SQLite backend, storage reconciliation and local defaults
- pluggable per-domain Repository interfaces; PostgreSQL and SQLite impls
- SQLite on modernc.org/sqlite (WAL, busy_timeout, foreign_keys, immediate tx)
- separate migrations/sqlite and db.MigrateSQLite; store.NewPostgres/NewSQLite
- cmd/reconcile compares object storage with the journal (report, then --delete)
- storage.Backend.List and photos.Repository.AllStorageKeys
- DB_BACKEND/SQLITE_PATH and STORAGE_BACKEND/FS_ROOT selectable; local defaults
  (sqlite ./galo.db, fs ./data)
- Makefile reconcile/reconcile-delete; docs and .env.example updated
2026-10-11 10:08:31 +03:00

96 lines
2.4 KiB
Go

package sharelinks
import (
"context"
"errors"
"time"
"shared-album/internal/auth"
"shared-album/internal/httpx"
"shared-album/internal/models"
"shared-album/internal/roles"
)
type AlbumAccess interface {
Access(ctx context.Context, albumID, userID string) (*models.Album, string, error)
}
type Service struct {
store Repository
albums AlbumAccess
}
func NewService(store Repository, albums AlbumAccess) *Service {
return &Service{store: store, albums: albums}
}
func (s *Service) Create(ctx context.Context, albumID, actorID string, ttl time.Duration) (*models.ShareLink, error) {
_, role, err := s.albums.Access(ctx, albumID, actorID)
if err != nil {
return nil, err
}
if !roles.CanManageShares(role) {
return nil, httpx.Forbidden("forbidden", "only owner and admin can manage share links")
}
if ttl <= 0 {
ttl = 7 * 24 * time.Hour
}
token, _, err := auth.NewRefreshToken()
if err != nil {
return nil, err
}
l := &models.ShareLink{
ID: auth.NewID(),
AlbumID: albumID,
Token: token,
CreatedBy: actorID,
ExpiresAt: time.Now().Add(ttl),
}
if err := s.store.Create(ctx, l); err != nil {
return nil, err
}
return l, nil
}
func (s *Service) List(ctx context.Context, albumID, actorID string) ([]models.ShareLink, error) {
_, role, err := s.albums.Access(ctx, albumID, actorID)
if err != nil {
return nil, err
}
if !roles.CanManageShares(role) {
return nil, httpx.Forbidden("forbidden", "only owner and admin can manage share links")
}
return s.store.ListByAlbum(ctx, albumID)
}
func (s *Service) Revoke(ctx context.Context, albumID, linkID, actorID string) error {
_, role, err := s.albums.Access(ctx, albumID, actorID)
if err != nil {
return err
}
if !roles.CanManageShares(role) {
return httpx.Forbidden("forbidden", "only owner and admin can manage share links")
}
if err := s.store.Revoke(ctx, linkID, albumID); err != nil {
if errors.Is(err, ErrNotFound) {
return httpx.NotFound("share_link_not_found", "share link not found")
}
return err
}
return nil
}
func (s *Service) Resolve(ctx context.Context, token string) (*models.ShareLink, error) {
l, err := s.store.GetByToken(ctx, token)
if err != nil {
if errors.Is(err, ErrNotFound) {
return nil, httpx.NotFound("share_link_not_found", "share link not found")
}
return nil, err
}
if !l.Active(time.Now()) {
return nil, httpx.Forbidden("share_link_inactive", "share link is expired or revoked")
}
return l, nil
}