.gitignore

@@ -33,3 +33,5 @@ build/
 .vscode/
 
 .env
+
+.sqruff

src/main/java/com/bivashy/backend/composer/controller/TrackController.java

@@ -43,6 +43,15 @@ public class TrackController {
         return ResponseEntity.ok(response);
     }
 
+    @PostMapping(path = "/playlist/{playlistId}/track/youtube/refresh/{sourceId}")
+    public ResponseEntity<List<TrackResponse>> addYoutubeTrack(
+            @AuthenticationPrincipal CustomUserDetails user,
+            @PathVariable long playlistId,
+            @PathVariable long sourceId) throws ImportTrackException {
+        List<TrackResponse> response = trackService.refreshYoutubePlaylist(user, playlistId, sourceId);
+        return ResponseEntity.ok(response);
+    }
+
     @PostMapping(path = "/playlist/{playlistId}/track/youtube")
     public ResponseEntity<List<TrackResponse>> addYoutubeTrack(
             @AuthenticationPrincipal CustomUserDetails user,

src/main/java/com/bivashy/backend/composer/model/Playlist.java

@@ -28,7 +28,7 @@ public class Playlist {
     @JoinColumn(name = "owner_id", nullable = false)
     private User owner;
 
-    @Column(unique = true, nullable = false, length = 500)
+    @Column(unique = true, nullable = false)
     private String title;
 
     @Column(name = "created_at", nullable = false, updatable = false)

src/main/java/com/bivashy/backend/composer/model/SourceMetadataType.java

@@ -0,0 +1,5 @@
+package com.bivashy.backend.composer.model;
+
+public enum SourceMetadataType {
+    YOUTUBE
+}

src/main/java/com/bivashy/backend/composer/model/SourceType.java

@@ -1,47 +1,5 @@
 package com.bivashy.backend.composer.model;
 
-import java.util.HashSet;
+public enum SourceType {
-import java.util.Set;
+    VIDEO, PLAYLIST, PLAYLIST_ITEM, FILE, URL
-
-import jakarta.persistence.CascadeType;
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.OneToMany;
-import jakarta.persistence.Table;
-
-@Entity
-@Table(name = "source_type")
-public class SourceType {
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id;
-
-    @Column(nullable = false, length = 500)
-    private String name;
-
-    @OneToMany(mappedBy = "sourceType", cascade = CascadeType.ALL, orphanRemoval = true)
-    private Set<TrackSource> trackSources = new HashSet<>();
-
-    SourceType() {
-    }
-
-    public SourceType(String name) {
-        this.name = name;
-    }
-
-    public Long getId() {
-        return id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public Set<TrackSource> getTrackSources() {
-        return trackSources;
-    }
-
 }

src/main/java/com/bivashy/backend/composer/model/SourceTypes.java

@@ -1,8 +0,0 @@
-package com.bivashy.backend.composer.model;
-
-public class SourceTypes {
-    public static final String AUDIO = "VIDEO";
-    public static final String PLAYLIST = "PLAYLIST";
-    public static final String FILE = "FILE";
-    public static final String URL = "URL";
-}

src/main/java/com/bivashy/backend/composer/model/TrackSource.java

@@ -4,15 +4,16 @@ import java.time.LocalDateTime;
 import java.util.HashSet;
 import java.util.Set;
 
+import org.hibernate.annotations.JdbcType;
+import org.hibernate.dialect.PostgreSQLEnumJdbcType;
+
 import jakarta.persistence.CascadeType;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
-import jakarta.persistence.FetchType;
+import jakarta.persistence.Enumerated;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.ManyToOne;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 
@@ -23,11 +24,12 @@ public class TrackSource {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @Column(name = "source_url", nullable = false, length = 500)
+    @Column(name = "source_url", nullable = false)
     private String sourceUrl;
 
-    @ManyToOne(fetch = FetchType.LAZY)
+    @Enumerated
-    @JoinColumn(name = "source_type_id", nullable = false)
+    @Column(name = "source_type", nullable = false)
+    @JdbcType(PostgreSQLEnumJdbcType.class)
     private SourceType sourceType;
 
     @Column(name = "last_fetched_at", nullable = false)

src/main/java/com/bivashy/backend/composer/model/TrackSourceMetadata.java

@@ -0,0 +1,47 @@
+package com.bivashy.backend.composer.model;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "track_source_metadata")
+public class TrackSourceMetadata {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "source_id", nullable = false, unique = true)
+    private TrackSource source;
+
+    @Column(name = "url", nullable = false)
+    private String url;
+
+    TrackSourceMetadata() {
+    }
+
+    public TrackSourceMetadata(TrackSource source, String url) {
+        this.source = source;
+        this.url = url;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public TrackSource getSource() {
+        return source;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+}

src/main/java/com/bivashy/backend/composer/model/User.java

@@ -20,7 +20,7 @@ public class User {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @Column(nullable = false, length = 500)
+    @Column(nullable = false)
     private String name;
 
     @Column(name = "created_at", nullable = false, updatable = false)

src/main/java/com/bivashy/backend/composer/repository/SourceTypeRepository.java

@@ -1,11 +0,0 @@
-package com.bivashy.backend.composer.repository;
-
-import java.util.Optional;
-
-import org.springframework.data.jpa.repository.JpaRepository;
-
-import com.bivashy.backend.composer.model.SourceType;
-
-public interface SourceTypeRepository extends JpaRepository<SourceType, Long> {
-    Optional<SourceType> findByName(String name);
-}

src/main/java/com/bivashy/backend/composer/repository/TrackSourceMetadataRepository.java

@@ -0,0 +1,18 @@
+package com.bivashy.backend.composer.repository;
+
+import java.util.Optional;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.stereotype.Repository;
+
+import com.bivashy.backend.composer.model.TrackSourceMetadata;
+
+@Repository
+public interface TrackSourceMetadataRepository extends JpaRepository<TrackSourceMetadata, Long> {
+    @Query("SELECT tsm FROM TrackSourceMetadata tsm " +
+            "JOIN FETCH tsm.source " +
+            "WHERE tsm.source.id = :sourceId")
+    Optional<TrackSourceMetadata> findBySourceIdWithSource(@Param("sourceId") Long sourceId);
+}

src/main/java/com/bivashy/backend/composer/service/TrackService.java

@@ -1,14 +1,13 @@
 package com.bivashy.backend.composer.service;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
-import java.util.Map;
 import java.util.Optional;
-import java.util.UUID;
 import java.util.stream.Stream;
 
 import org.slf4j.Logger;
@@ -25,50 +24,42 @@ import com.bivashy.backend.composer.dto.track.TrackBulkReorderRequest;
 import com.bivashy.backend.composer.dto.track.TrackResponse;
 import com.bivashy.backend.composer.dto.track.YoutubeTrackRequest;
 import com.bivashy.backend.composer.dto.track.service.AddLocalTrackParams;
-import com.bivashy.backend.composer.dto.track.service.AddLocalTrackParamsBuilder;
 import com.bivashy.backend.composer.exception.ImportTrackException;
-import com.bivashy.backend.composer.model.SourceTypes;
+import com.bivashy.backend.composer.model.SourceType;
 import com.bivashy.backend.composer.model.Track;
 import com.bivashy.backend.composer.model.TrackMetadata;
 import com.bivashy.backend.composer.model.TrackSource;
 import com.bivashy.backend.composer.repository.TrackRepository;
 import com.bivashy.backend.composer.service.MetadataParseService.Metadata;
 import com.bivashy.backend.composer.service.importing.RedisProgressService;
-import com.bivashy.backend.composer.util.SimpleBlob.PathBlob;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.jfposton.ytdlp.YtDlp;
 import com.jfposton.ytdlp.YtDlpException;
-import com.jfposton.ytdlp.YtDlpRequest;
 import com.jfposton.ytdlp.mapper.VideoInfo;
 
-import software.amazon.awssdk.services.s3.model.NoSuchKeyException;
-
 @Service
 public class TrackService {
     private static final Logger logger = LoggerFactory.getLogger(TrackService.class);
     public static final String DOWNLOADED_METADATA_FILE = "downloaded";
 
-    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
-
     private final TrackRepository trackRepository;
     private final TrackSourceService trackSourceService;
     private final TrackMetadataService trackMetadataService;
     private final TrackPlaylistService trackPlaylistService;
     private final MetadataParseService metadataParseService;
     private final RedisProgressService redisProgressService;
-    private final AudioS3StorageService s3StorageService;
+    private final YoutubeTrackService youtubeTrackService;
 
     public TrackService(TrackRepository trackRepository, TrackSourceService trackSourceService,
             TrackMetadataService trackMetadataService, TrackPlaylistService trackPlaylistService,
             MetadataParseService metadataParseService, RedisProgressService redisProgressService,
-            AudioS3StorageService s3StorageService) {
+            YoutubeTrackService youtubeTrackService) {
         this.trackRepository = trackRepository;
         this.trackSourceService = trackSourceService;
         this.trackMetadataService = trackMetadataService;
         this.trackPlaylistService = trackPlaylistService;
         this.metadataParseService = metadataParseService;
         this.redisProgressService = redisProgressService;
-        this.s3StorageService = s3StorageService;
+        this.youtubeTrackService = youtubeTrackService;
     }
 
     public TrackResponse addLocalTrack(CustomUserDetails user,
@@ -87,7 +78,7 @@ public class TrackService {
         TrackSource trackSource;
         try {
             trackSource = trackSourceService.createLocalTrackSource(
-                    request.body(), ffprobeJson, params.ytdlpMetadata(), SourceTypes.FILE);
+                    request.body(), ffprobeJson, params.ytdlpMetadata(), SourceType.FILE);
         } catch (IOException e) {
             throw new ImportTrackException("cannot read blob body", e);
         }
@@ -126,6 +117,12 @@ public class TrackService {
                 fileName);
     }
 
+    @Transactional
+    public List<TrackResponse> refreshYoutubePlaylist(CustomUserDetails user, long playlistId, long sourceId)
+            throws ImportTrackException {
+        return youtubeTrackService.refreshYoutubePlaylist(playlistId, sourceId);
+    }
+
     @Transactional
     public List<TrackResponse> addYoutubeTrack(CustomUserDetails user, long playlistId,
             YoutubeTrackRequest request) throws ImportTrackException {
@@ -145,34 +142,17 @@ public class TrackService {
         if (videoInfos.size() == 1) {
             try {
                 VideoInfo videoInfo = videoInfos.get(0);
-
                 Path temporaryFolder = Files.createTempDirectory("yt-dlp-tmp");
-                var ytDlpRequest = new YtDlpRequest(request.youtubeUrl(), temporaryFolder.toAbsolutePath().toString());
-                ytDlpRequest.setOption("output", "%(id)s");
-                var response = YtDlp.execute(ytDlpRequest);
-                // TODO: write to RedisProgressService
 
-                TrackResponse result = null;
+                var params = youtubeTrackService.downloadYoutubeTrack(temporaryFolder, videoInfo,
+                        request.youtubeUrl());
+                TrackResponse result = addLocalTrack(user, playlistId, params);
+
                 try (Stream<Path> pathStream = Files.walk(temporaryFolder)) {
-                    List<Path> downloadedFiles = Files.walk(temporaryFolder).toList();
+                    pathStream.sorted(Comparator.reverseOrder())
-
+                            .map(Path::toFile)
-                    if (downloadedFiles.isEmpty())
+                            .forEach(File::delete);
-                        throw new ImportTrackException("yt-dlp didn't downloaded anything for " + request.youtubeUrl());
-
-                    for (Path downloadedFile : downloadedFiles) {
-                        var params = AddLocalTrackParamsBuilder.builder()
-                                .blob(new PathBlob(downloadedFile))
-                                .ytdlpMetadata(OBJECT_MAPPER.writeValueAsString(videoInfo))
-                                .includeProgressHistory(false)
-                                .build();
-
-                        result = addLocalTrack(user,
-                                playlistId,
-                                params);
-                        Files.delete(downloadedFile);
                 }
-                }
-                Files.delete(temporaryFolder);
                 return List.of(result);
             } catch (IOException e) {
                 throw new ImportTrackException("i/o during single youtube video downloading", e);
@@ -181,116 +161,9 @@ public class TrackService {
             }
         }
 
-        TrackSource trackSource = trackSourceService.createYoutubeTrackSource(SourceTypes.PLAYLIST);
+        TrackSource trackSource = trackSourceService.createYoutubeTrackSource(SourceType.PLAYLIST,
-        return refreshYoutubePlaylist(playlistId, trackSource, videoInfos, request.youtubeUrl());
+                request.youtubeUrl());
-    }
+        return youtubeTrackService.refreshYoutubePlaylist(playlistId, trackSource, videoInfos, request.youtubeUrl());
-
-    public List<TrackResponse> refreshYoutubePlaylist(long playlistId, TrackSource trackSource,
-            List<VideoInfo> videoInfos,
-            String youtubeUrl) throws ImportTrackException {
-        List<TrackResponse> result = new ArrayList<>();
-        logger.info(trackSource.getSourceUrl());
-        try {
-            Path temporaryFolder = Files.createTempDirectory("yt-dlp-tmp");
-            logger.info("temporaryFolder created {}", temporaryFolder.toString());
-
-            String downloadedMetadataKey = trackSource.getSourceUrl() + DOWNLOADED_METADATA_FILE;
-            try {
-                var rawBody = s3StorageService
-                        .readRaw(downloadedMetadataKey);
-                Files.write(temporaryFolder.resolve(DOWNLOADED_METADATA_FILE), rawBody);
-            } catch (NoSuchKeyException e) {
-                logger.warn(".downloaded metadata file was not found, ignoring");
-            }
-
-            var ytDlpRequest = new YtDlpRequest(youtubeUrl, temporaryFolder.toAbsolutePath().toString());
-            ytDlpRequest.setOption("output", "%(id)s");
-            ytDlpRequest.setOption("download-archive", DOWNLOADED_METADATA_FILE);
-            ytDlpRequest.setOption("extract-audio");
-            ytDlpRequest.setOption("audio-quality", 0);
-            ytDlpRequest.setOption("audio-format", "best");
-            ytDlpRequest.setOption("no-overwrites");
-            var response = YtDlp.execute(ytDlpRequest);
-            logger.info("yt dlp response {}", response);
-
-            // TODO: write to RedisProgressService
-
-            try (Stream<Path> pathStream = Files.walk(temporaryFolder)) {
-                List<Path> downloadedFiles = Files.walk(temporaryFolder).toList();
-                logger.info("downloaded file count {}", downloadedFiles.size());
-
-                for (Path path : downloadedFiles) {
-                    if (Files.isDirectory(path))
-                        continue;
-                    boolean isMetadataFile = path.getFileName().toString().equals(DOWNLOADED_METADATA_FILE);
-                    var body = Files.readAllBytes(path);
-
-                    if (isMetadataFile) {
-                        s3StorageService.store(downloadedMetadataKey, body, Map.of());
-                        continue;
-                    }
-                    String fileName = fileNameWithoutExtension(path.getFileName().toString());
-                    VideoInfo videoInfo = videoInfos.stream()
-                            .filter(v -> v.getId().equals(fileName))
-                            .findFirst()
-                            .orElseThrow();
-
-                    String audioKey = trackSource.getSourceUrl() + UUID.randomUUID().toString();
-
-                    logger.info("downloaded file {} and info {}, key {}", fileName, videoInfo.getTitle(), audioKey);
-
-                    Optional<Metadata> metadata = Optional.empty();
-
-                    try (var inputStream = Files.newInputStream(path)) {
-                        metadata = metadataParseService.extractMetadata(inputStream);
-                    } catch (IOException e) {
-                        throw new ImportTrackException("cannot extract metadata from " + path.toString());
-                    }
-                    String ffprobeJson = metadata.map(Metadata::rawJson).orElse("{}");
-
-                    TrackSource playlistEntrySource;
-                    try {
-                        playlistEntrySource = trackSourceService.createTrackSourceWithKey(audioKey, body, ffprobeJson,
-                                OBJECT_MAPPER.writeValueAsString(videoInfo), SourceTypes.PLAYLIST);
-                    } catch (IOException e) {
-                        throw new ImportTrackException("cannot read blob body", e);
-                    }
-
-                    Track track = trackRepository.save(new Track(playlistEntrySource));
-
-                    String title = videoInfo.getTitle();
-                    String artist = metadata.map(Metadata::artist).orElse(null);
-                    int durationSeconds = metadata.map(Metadata::durationSeconds).map(Float::intValue).orElse(0);
-                    // TODO: thumbnail
-                    // TODO: Recognize music if the duration is less than five minutes
-                    // (configurable), and if not, it is a playlist and should be marked as is
-                    trackMetadataService.createTrackMetadata(
-                            track, title, fileName, audioKey, artist, null, durationSeconds);
-
-                    trackPlaylistService.insertTrackAtEnd(playlistId, track.getId());
-
-                    String fileFormat = "unknown";
-                    if (metadata.isPresent()) {
-                        fileFormat = metadata.map(m -> m.formatName()).get();
-                    }
-
-                    var trackResponse = new TrackResponse(
-                            track.getId(),
-                            title,
-                            artist,
-                            audioKey,
-                            fileFormat,
-                            durationSeconds,
-                            fileName);
-                    result.add(trackResponse);
-                }
-            }
-            return result;
-        } catch (IOException e) {
-            throw new ImportTrackException("i/o during playlist youtube video downloading", e);
-        } catch (YtDlpException e) {
-            throw new ImportTrackException("cannot download youtube video " + youtubeUrl, e);
-        }
     }
 
     public List<PlaylistTrackResponse> getPlaylistTracks(CustomUserDetails user, Long playlistId) {

src/main/java/com/bivashy/backend/composer/service/TrackSourceService.java

@@ -3,12 +3,14 @@ package com.bivashy.backend.composer.service;
 import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Optional;
 
 import org.springframework.stereotype.Service;
 
 import com.bivashy.backend.composer.model.SourceType;
 import com.bivashy.backend.composer.model.TrackSource;
-import com.bivashy.backend.composer.repository.SourceTypeRepository;
+import com.bivashy.backend.composer.model.TrackSourceMetadata;
+import com.bivashy.backend.composer.repository.TrackSourceMetadataRepository;
 import com.bivashy.backend.composer.repository.TrackSourceRepository;
 
 @Service
@@ -17,49 +19,50 @@ public class TrackSourceService {
     public static final String YTDLP_METADATA_KEY = "ytdlp";
 
     private final TrackSourceRepository trackSourceRepository;
-    private final SourceTypeRepository sourceTypeRepository;
+    private final TrackSourceMetadataRepository trackSourceMetadataRepository;
     private final AudioBlobStorageService s3Service;
 
     public TrackSourceService(TrackSourceRepository trackSourceRepository,
-            SourceTypeRepository sourceTypeRepository,
+            TrackSourceMetadataRepository trackSourceMetadataRepository, AudioBlobStorageService s3Service) {
-            AudioBlobStorageService s3Service) {
         this.trackSourceRepository = trackSourceRepository;
-        this.sourceTypeRepository = sourceTypeRepository;
+        this.trackSourceMetadataRepository = trackSourceMetadataRepository;
         this.s3Service = s3Service;
     }
 
     public TrackSource createLocalTrackSource(byte[] audioBytes,
             String ffprobeJson,
             String ytdlpMetadata,
-            String sourceType) {
+            SourceType sourceType) {
         Map<String, String> metadata = new HashMap<>(Map.of(YTDLP_METADATA_KEY, ffprobeJson));
         if (ytdlpMetadata != null) {
             // TODO: Add tag or smth?
         }
         String audioPath = s3Service.store(audioBytes, metadata);
 
-        SourceType type = sourceTypeRepository.findByName(sourceType)
+        return trackSourceRepository.save(new TrackSource(audioPath, sourceType, LocalDateTime.now()));
-                .orElseThrow(() -> new IllegalStateException("Source type not found: " + sourceType));
-        return trackSourceRepository.save(new TrackSource(audioPath, type, LocalDateTime.now()));
     }
 
     public TrackSource createTrackSourceWithKey(String key, byte[] audioBytes, String ffprobeJson,
-            String ytdlpMetadata, String sourceType) {
+            String ytdlpMetadata, SourceType sourceType) {
         Map<String, String> metadata = new HashMap<>(Map.of(YTDLP_METADATA_KEY, ffprobeJson));
         if (ytdlpMetadata != null) {
             // TODO: Add tag or smth?
         }
         String audioPath = s3Service.store(key, audioBytes, metadata);
 
-        SourceType type = sourceTypeRepository.findByName(sourceType)
+        return trackSourceRepository.save(new TrackSource(audioPath, sourceType, LocalDateTime.now()));
-                .orElseThrow(() -> new IllegalStateException("Source type not found: " + sourceType));
-        return trackSourceRepository.save(new TrackSource(audioPath, type, LocalDateTime.now()));
     }
 
-    public TrackSource createYoutubeTrackSource(String sourceType) {
+    public TrackSource createYoutubeTrackSource(SourceType sourceType, String youtubeUrl) {
         String folderPath = s3Service.storeFolder();
-        SourceType type = sourceTypeRepository.findByName(sourceType)
+        TrackSource trackSource = trackSourceRepository
-                .orElseThrow(() -> new IllegalStateException("Source type not found: " + sourceType));
+                .save(new TrackSource(folderPath, sourceType, LocalDateTime.now()));
-        return trackSourceRepository.save(new TrackSource(folderPath, type, LocalDateTime.now()));
+        trackSourceMetadataRepository.save(new TrackSourceMetadata(trackSource, youtubeUrl));
+        return trackSource;
     }
+
+    public Optional<TrackSourceMetadata> findWithMetadata(long sourceId) {
+        return trackSourceMetadataRepository.findBySourceIdWithSource(sourceId);
+    }
+
 }

src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java

@@ -0,0 +1,216 @@
+package com.bivashy.backend.composer.service;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.stream.Stream;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+import com.bivashy.backend.composer.dto.track.TrackResponse;
+import com.bivashy.backend.composer.dto.track.service.AddLocalTrackParams;
+import com.bivashy.backend.composer.dto.track.service.AddLocalTrackParamsBuilder;
+import com.bivashy.backend.composer.exception.ImportTrackException;
+import com.bivashy.backend.composer.model.SourceType;
+import com.bivashy.backend.composer.model.Track;
+import com.bivashy.backend.composer.model.TrackSource;
+import com.bivashy.backend.composer.model.TrackSourceMetadata;
+import com.bivashy.backend.composer.repository.TrackRepository;
+import com.bivashy.backend.composer.service.MetadataParseService.Metadata;
+import com.bivashy.backend.composer.util.SimpleBlob.PathBlob;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.jfposton.ytdlp.YtDlp;
+import com.jfposton.ytdlp.YtDlpException;
+import com.jfposton.ytdlp.YtDlpRequest;
+import com.jfposton.ytdlp.mapper.VideoInfo;
+
+import software.amazon.awssdk.services.s3.model.NoSuchKeyException;
+
+@Service
+public class YoutubeTrackService {
+    private static final Logger logger = LoggerFactory.getLogger(YoutubeTrackService.class);
+    public static final String DOWNLOADED_METADATA_FILE = "downloaded";
+
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+    private final AudioS3StorageService s3StorageService;
+    private final MetadataParseService metadataParseService;
+    private final TrackRepository trackRepository;
+    private final TrackMetadataService trackMetadataService;
+    private final TrackPlaylistService trackPlaylistService;
+    private final TrackSourceService trackSourceService;
+
+    public YoutubeTrackService(AudioS3StorageService s3StorageService, MetadataParseService metadataParseService,
+            TrackRepository trackRepository, TrackMetadataService trackMetadataService,
+            TrackPlaylistService trackPlaylistService, TrackSourceService trackSourceService) {
+        this.s3StorageService = s3StorageService;
+        this.metadataParseService = metadataParseService;
+        this.trackRepository = trackRepository;
+        this.trackMetadataService = trackMetadataService;
+        this.trackPlaylistService = trackPlaylistService;
+        this.trackSourceService = trackSourceService;
+    }
+
+    public AddLocalTrackParams downloadYoutubeTrack(Path temporaryFolder, VideoInfo videoInfo, String youtubeUrl)
+            throws IOException, YtDlpException, ImportTrackException {
+        var ytDlpRequest = new YtDlpRequest(youtubeUrl, temporaryFolder.toAbsolutePath().toString());
+        ytDlpRequest.setOption("output", "%(id)s");
+        var response = YtDlp.execute(ytDlpRequest);
+        // TODO: write to RedisProgressService
+
+        TrackResponse result = null;
+        try (Stream<Path> pathStream = Files.walk(temporaryFolder)) {
+            List<Path> downloadedFiles = Files.walk(temporaryFolder).toList();
+
+            if (downloadedFiles.isEmpty())
+                throw new ImportTrackException("yt-dlp didn't downloaded anything for " + youtubeUrl);
+
+            for (Path downloadedFile : downloadedFiles) {
+                var params = AddLocalTrackParamsBuilder.builder()
+                        .blob(new PathBlob(downloadedFile))
+                        .ytdlpMetadata(OBJECT_MAPPER.writeValueAsString(videoInfo))
+                        .includeProgressHistory(false)
+                        .build();
+
+                return params;
+            }
+        }
+        throw new ImportTrackException("cannot download any youtube track");
+    }
+
+    public List<TrackResponse> refreshYoutubePlaylist(long playlistId, long sourceId) throws ImportTrackException {
+        Optional<TrackSourceMetadata> trackSourceMetadataOpt = trackSourceService.findWithMetadata(sourceId);
+        if (trackSourceMetadataOpt.isEmpty())
+            throw new ImportTrackException("cannot find track source with metadata with id " + sourceId);
+        TrackSourceMetadata trackSourceMetadata = trackSourceMetadataOpt.get();
+        String youtubeUrl = trackSourceMetadata.getUrl();
+
+        List<VideoInfo> videoInfos = Collections.emptyList();
+        try {
+            videoInfos = YtDlp.getVideoInfo(youtubeUrl);
+        } catch (YtDlpException e) {
+            throw new ImportTrackException("cannot `yt-dlp --dump-json` from " + youtubeUrl, e);
+        }
+        return refreshYoutubePlaylist(playlistId, trackSourceMetadata.getSource(), videoInfos, youtubeUrl);
+    }
+
+    public List<TrackResponse> refreshYoutubePlaylist(long playlistId, TrackSource trackSource,
+            List<VideoInfo> videoInfos,
+            String youtubeUrl) throws ImportTrackException {
+        List<TrackResponse> result = new ArrayList<>();
+        logger.info(trackSource.getSourceUrl());
+        try {
+            Path temporaryFolder = Files.createTempDirectory("yt-dlp-tmp");
+            logger.info("temporaryFolder created {}", temporaryFolder.toString());
+
+            String downloadedMetadataKey = trackSource.getSourceUrl() + DOWNLOADED_METADATA_FILE;
+            try {
+                var rawBody = s3StorageService
+                        .readRaw(downloadedMetadataKey);
+                Files.write(temporaryFolder.resolve(DOWNLOADED_METADATA_FILE), rawBody);
+            } catch (NoSuchKeyException e) {
+                logger.warn(".downloaded metadata file was not found, ignoring");
+            }
+
+            var ytDlpRequest = new YtDlpRequest(youtubeUrl, temporaryFolder.toAbsolutePath().toString());
+            ytDlpRequest.setOption("output", "%(id)s");
+            ytDlpRequest.setOption("download-archive", DOWNLOADED_METADATA_FILE);
+            ytDlpRequest.setOption("extract-audio");
+            ytDlpRequest.setOption("audio-quality", 0);
+            ytDlpRequest.setOption("audio-format", "best");
+            ytDlpRequest.setOption("no-overwrites");
+            var response = YtDlp.execute(ytDlpRequest);
+            logger.info("yt dlp response {}", response);
+
+            // TODO: write to RedisProgressService
+
+            try (Stream<Path> pathStream = Files.walk(temporaryFolder)) {
+                List<Path> downloadedFiles = Files.walk(temporaryFolder).toList();
+                logger.info("downloaded file count {}", downloadedFiles.size());
+
+                for (Path path : downloadedFiles) {
+                    if (Files.isDirectory(path))
+                        continue;
+                    boolean isMetadataFile = path.getFileName().toString().equals(DOWNLOADED_METADATA_FILE);
+                    var body = Files.readAllBytes(path);
+
+                    if (isMetadataFile) {
+                        s3StorageService.store(downloadedMetadataKey, body, Map.of());
+                        continue;
+                    }
+                    String fileName = fileNameWithoutExtension(path.getFileName().toString());
+                    VideoInfo videoInfo = videoInfos.stream()
+                            .filter(v -> v.getId().equals(fileName))
+                            .findFirst()
+                            .orElseThrow();
+
+                    String audioKey = trackSource.getSourceUrl() + UUID.randomUUID().toString();
+
+                    logger.info("downloaded file {} and info {}, key {}", fileName, videoInfo.getTitle(), audioKey);
+
+                    Optional<Metadata> metadata = Optional.empty();
+
+                    try (var inputStream = Files.newInputStream(path)) {
+                        metadata = metadataParseService.extractMetadata(inputStream);
+                    } catch (IOException e) {
+                        throw new ImportTrackException("cannot extract metadata from " + path.toString());
+                    }
+                    String ffprobeJson = metadata.map(Metadata::rawJson).orElse("{}");
+
+                    TrackSource playlistEntrySource;
+                    try {
+                        playlistEntrySource = trackSourceService.createTrackSourceWithKey(audioKey, body, ffprobeJson,
+                                OBJECT_MAPPER.writeValueAsString(videoInfo), SourceType.PLAYLIST_ITEM);
+                    } catch (IOException e) {
+                        throw new ImportTrackException("cannot read blob body", e);
+                    }
+
+                    Track track = trackRepository.save(new Track(playlistEntrySource));
+
+                    String title = videoInfo.getTitle();
+                    String artist = metadata.map(Metadata::artist).orElse(null);
+                    int durationSeconds = metadata.map(Metadata::durationSeconds).map(Float::intValue).orElse(0);
+                    // TODO: thumbnail
+                    // TODO: Recognize music if the duration is less than five minutes
+                    // (configurable), and if not, it is a playlist and should be marked as is
+                    trackMetadataService.createTrackMetadata(
+                            track, title, fileName, audioKey, artist, null, durationSeconds);
+
+                    trackPlaylistService.insertTrackAtEnd(playlistId, track.getId());
+
+                    String fileFormat = "unknown";
+                    if (metadata.isPresent()) {
+                        fileFormat = metadata.map(m -> m.formatName()).get();
+                    }
+
+                    var trackResponse = new TrackResponse(
+                            track.getId(),
+                            title,
+                            artist,
+                            audioKey,
+                            fileFormat,
+                            durationSeconds,
+                            fileName);
+                    result.add(trackResponse);
+                }
+            }
+            return result;
+        } catch (IOException e) {
+            throw new ImportTrackException("i/o during playlist youtube video downloading", e);
+        } catch (YtDlpException e) {
+            throw new ImportTrackException("cannot download youtube video " + youtubeUrl, e);
+        }
+    }
+
+    private String fileNameWithoutExtension(String fileName) {
+        return fileName.replaceFirst("[.][^.]+$", "");
+    }
+
+}

src/main/resources/db/migration/V1_10__create_base_tables.sql

@@ -1,80 +1,69 @@
-CREATE TABLE IF NOT EXISTS "users" (
+CREATE TABLE IF NOT EXISTS users (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    "name" varchar(500) NOT NULL,
+    name TEXT NOT NULL,
-    "created_at" timestamp NOT NULL DEFAULT NOW(),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    "updated_at" timestamp NOT NULL DEFAULT NOW()
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );
 
-CREATE TABLE IF NOT EXISTS "source_type" (
+CREATE TYPE source_type_enum AS ENUM (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    'VIDEO', 'PLAYLIST', 'PLAYLIST_ITEM', 'FILE', 'URL'
-    "name" varchar(500) NOT NULL 
 );
 
-CREATE TABLE IF NOT EXISTS "track_source" (
+CREATE TABLE IF NOT EXISTS track_source (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    "source_url" varchar(500) NOT NULL,
+    source_url TEXT NOT NULL,
-    "source_type_id" bigint NOT NULL,
+    source_type SOURCE_TYPE_ENUM NOT NULL,
-    "last_fetched_at" timestamp NOT NULL DEFAULT NOW(),
+    last_fetched_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    "created_at" timestamp NOT NULL DEFAULT NOW(),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    "updated_at" timestamp NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
-    CONSTRAINT "fk_track_source_source_type_id"
-        FOREIGN KEY ("source_type_id") REFERENCES "source_type" ("id")
 );
 
-CREATE TABLE IF NOT EXISTS "track" (
+CREATE TABLE IF NOT EXISTS track_source_metadata (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    "source_id" bigint NOT NULL,
+    source_id BIGINT NOT NULL UNIQUE REFERENCES track_source (
-    CONSTRAINT "fk_track_source_id"
+        id
-        FOREIGN KEY ("source_id") REFERENCES "track_source" ("id")
+    ) ON DELETE CASCADE,
+    url TEXT NOT NULL
 );
 
-CREATE TABLE IF NOT EXISTS "track_metadata" (
+CREATE TABLE IF NOT EXISTS track (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    "track_id" bigint NOT NULL,
+    source_id BIGINT NOT NULL REFERENCES track_source (id) ON DELETE RESTRICT
-    "title" varchar(500) NOT NULL,
-    "file_name" varchar(500) NOT NULL,
-    "audio_path" varchar(500) NOT NULL,
-    "artist" varchar(500),
-    "thumbnail_path" varchar(500),
-    "duration_seconds" integer,
-    CONSTRAINT "fk_track_metadata_track_id"
-        FOREIGN KEY ("track_id") REFERENCES "track" ("id")
 );
 
-CREATE TABLE IF NOT EXISTS "playlist" (
+CREATE TABLE IF NOT EXISTS track_metadata (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    "owner_id" bigint NOT NULL,
+    track_id BIGINT NOT NULL REFERENCES track (id) ON DELETE CASCADE,
-    "title" varchar(500) NOT NULL,
+    title TEXT NOT NULL,
-    "created_at" timestamp NOT NULL DEFAULT NOW(),
+    file_name TEXT NOT NULL,
-    "updated_at" timestamp NOT NULL DEFAULT NOW(),
+    audio_path TEXT NOT NULL,
-    CONSTRAINT "fk_playlist_owner_id"
+    artist TEXT,
-        FOREIGN KEY ("owner_id") REFERENCES "users" ("id"),
+    thumbnail_path TEXT,
-    CONSTRAINT "uq_playlist_owner_title"
+    duration_seconds INTEGER
-        UNIQUE ("owner_id", "title")
 );
 
-CREATE TABLE IF NOT EXISTS "playlist_track" (
+CREATE TABLE IF NOT EXISTS playlist (
-    "playlist_id" bigint NOT NULL,
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    "track_id" bigint NOT NULL,
+    owner_id BIGINT NOT NULL REFERENCES users (id) ON DELETE CASCADE,
-    "order_index" numeric NOT NULL,
+    title TEXT NOT NULL,
-    CONSTRAINT "pk_playlist_track_new" PRIMARY KEY ("playlist_id", "track_id"),
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-    CONSTRAINT "fk_playlist_track_playlist_id_new"
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
-        FOREIGN KEY ("playlist_id") REFERENCES "playlist" ("id"),
+    UNIQUE (owner_id, title)
-    CONSTRAINT "fk_playlist_track_track_id_new"
-        FOREIGN KEY ("track_id") REFERENCES "track" ("id")
 );
 
-CREATE TABLE IF NOT EXISTS "track_version" (
+CREATE TABLE IF NOT EXISTS playlist_track (
-    "id" bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    playlist_id BIGINT NOT NULL REFERENCES playlist (id) ON DELETE CASCADE,
-    "track_id" bigint NOT NULL,
+    track_id BIGINT NOT NULL REFERENCES track (id) ON DELETE CASCADE,
-    "metadata_id" bigint NOT NULL,
+    order_index DECIMAL NOT NULL,
-    "source_id" bigint NOT NULL,
+    PRIMARY KEY (playlist_id, track_id)
-    "created_at" timestamp NOT NULL DEFAULT NOW(),
-    CONSTRAINT "fk_track_version_track_id"
-        FOREIGN KEY ("track_id") REFERENCES "track" ("id"),
-    CONSTRAINT "fk_track_version_metadata_id"
-        FOREIGN KEY ("metadata_id") REFERENCES "track_metadata" ("id"),
-    CONSTRAINT "fk_track_version_source_id"
-        FOREIGN KEY ("source_id") REFERENCES "track_source" ("id")
 );
 
+CREATE TABLE IF NOT EXISTS track_version (
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    track_id BIGINT NOT NULL REFERENCES track (id) ON DELETE CASCADE,
+    metadata_id BIGINT NOT NULL REFERENCES track_metadata (
+        id
+    ) ON DELETE CASCADE,
+    source_id BIGINT NOT NULL REFERENCES track_source (id) ON DELETE RESTRICT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);

src/main/resources/db/migration/V1_20__insert_enums.sql

@@ -1,9 +0,0 @@
-INSERT INTO "source_type" ("id", "name")
-OVERRIDING SYSTEM VALUE
-VALUES
-    (1, 'VIDEO'),
-    (2, 'PLAYLIST'),
-    (3, 'FILE'),
-    (4, 'URL')
-ON CONFLICT ("id") DO NOTHING;
-