fix song downloading from gui

src/backend/src/track/track.controller.ts

@@ -28,7 +28,7 @@ export class TrackController {
     async getFile(@Res({ passthrough: true }) res: Response, @Param('id') id: number): Promise<StreamableFile> {
         const track = await this.service.findOne(id);
         const fileName = `${track.artist} - ${track.song}.${this.configService.get<string>(EnviromentEnum.FORMAT)}`;
-        const filePath = createReadStream(resolve(__dirname, '..', this.configService.get<string>(EnviromentEnum.DOWNLOADS_PATH), fileName));
+        const filePath = createReadStream(resolve(__dirname, '..', this.configService.get<string>(EnviromentEnum.DOWNLOADS_PATH), track.playlist.name, fileName));
         res.set({'Content-Disposition': `attachment; filename="${fileName}`});
         return new StreamableFile(filePath);
     }

src/backend/src/track/track.service.ts

@@ -37,7 +37,7 @@ export class TrackService {
     }
 
     findOne(id: number): Promise<TrackEntity | null> {
-        return this.repository.findOneBy({ id });
+        return this.repository.findOne({where: {id}, relations: ['playlist']});
     }
 
     async remove(id: number): Promise<void> {