istvan/video_downloader_real
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playlist_service #2

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zoli merged 13 commits from playlist_service into main 2026-03-11 18:25:42 +01:00
Conversation 1 Commits 13 Files Changed 21 +391 -34
21 changed files with 391 additions and 34 deletions
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1
.gitignore vendored
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@@ -2,6 +2,7 @@ HELP.md
target/
.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
downloads/
!**/src/test/**/target/
### STS ###

29
pom.xml
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@@ -44,14 +44,22 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.40</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-database-postgresql</artifactId>
<version>12.0.3</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-flyway</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
@@ -67,6 +75,12 @@
<artifactId>spring-boot-starter-webmvc-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jetbrains</groupId>
<artifactId>annotations</artifactId>
<version>26.1.0</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>
@@ -75,6 +89,17 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-maven-plugin</artifactId>
<version>12.0.1</version>
<configuration>
<url>jdbc:postgresql://127.0.0.1:5432/videos</url>
<user>postgres</user>
<password>5995</password>
<cleanDisabled>false</cleanDisabled>
</configuration>
</plugin>
</plugins>
</build>

47
src/main/java/com/example/video_downloader/controllers/VideoController.java
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@@ -1,39 +1,49 @@
package com.example.video_downloader.controllers;
import com.example.video_downloader.dto.SaveNewPlaylistRequest;
import com.example.video_downloader.dto.SaveNewVideoRequest;
import com.example.video_downloader.entity.Playlist;
import com.example.video_downloader.entity.Video;
import com.example.video_downloader.services.PlaylistService;
import com.example.video_downloader.services.VideoService;
import com.example.video_downloader.services.YTDLPService;
import lombok.Data;
import org.jetbrains.annotations.NotNull;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.server.ResponseStatusException;
import java.io.IOException;
import java.util.List;
import java.util.Optional;
@RestController
@RequestMapping(path="/video")
@RequestMapping(path="/v2")
@CrossOrigin(origins = "http://localhost:3000")
public class VideoController {
zoli commented 2026-02-20 21:38:03 +01:00
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Move this to a new File

dto package-be SaveNewVideoResponse.java

Move this to a new File dto package-be SaveNewVideoResponse.java
@Autowired
private VideoService videoService;
@Autowired
private PlaylistService playlistService;
@Autowired
private YTDLPService ytdlpService;
@Data
private class Response {
private Long id;
private static class Trigger {
private boolean input;
}
@PostMapping(path = "/videos")
public Response saveNewVideo(@RequestBody SaveNewVideoRequest request){
public Video saveNewVideo(@RequestBody SaveNewVideoRequest request){
return videoService.saveNewVideo(request);
}
Response response = new Response();
Video video = videoService.saveNewVideo(request);
response.setId(video.getId());
return response;
@PostMapping(path = "/playlists")
public void saveNewPlaylist(@RequestBody SaveNewPlaylistRequest request){
Playlist playlist = playlistService.saveNewPlaylist(request);
}
@@ -47,4 +57,17 @@ public class VideoController {
return ResponseEntity.ok(videoService.getVideoById(id));
}
@PostMapping(path = "/fire")
public int getJobDone(@RequestBody @NotNull Trigger trigger) throws IOException, InterruptedException {
int statusCode = 200;
if(trigger.input) {
ytdlpService.processPlaylist();
ytdlpService.validateVideos();
ytdlpService.downloadVideos();
}
return statusCode;
}
}

9
src/main/java/com/example/video_downloader/dto/SaveNewPlaylistRequest.java Normal file
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@@ -0,0 +1,9 @@
package com.example.video_downloader.dto;
import lombok.Data;
@Data
public class SaveNewPlaylistRequest {
private String playlistName;
private String url;
}

20
src/main/java/com/example/video_downloader/entity/Creator.java Normal file
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@@ -0,0 +1,20 @@
package com.example.video_downloader.entity;
import jakarta.persistence.*;
import lombok.Data;
import java.util.List;
@Data
@Entity
public class Creator {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
private String url;
@OneToMany(mappedBy = "creator")
private List<Video> videos;
}

36
src/main/java/com/example/video_downloader/entity/Playlist.java Normal file
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@@ -0,0 +1,36 @@
package com.example.video_downloader.entity;
import jakarta.persistence.*;
import lombok.Data;
import lombok.ToString;
import java.util.List;
@Data
@ToString
@Entity
@Table(name = "playlists")
public class Playlist {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(name = "playlist_name", nullable = false)
private String playlistName;
@Column
private String url;
@Enumerated(EnumType.STRING)
private StatusEnum status;
@ManyToMany
@JoinTable(
name = "video_playlist",
joinColumns = @JoinColumn(name = "playlist_id"),
inverseJoinColumns = @JoinColumn(name = "video_id")
)
private List<Video> videos;
}

28
src/main/java/com/example/video_downloader/entity/Video.java
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@@ -4,21 +4,43 @@ import jakarta.persistence.*;
import lombok.Data;
import lombok.ToString;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
@Data
@ToString
@Entity
@Table(name = "videos")
public class Video {
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE)
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String url;
private String ytdl;
private String ytMetaData;
private String name;
@Column(name = "upload_date")
private String uploadDate;
private String duration;
@Enumerated(EnumType.STRING)
private StatusEnum status;
@Column(name="full_path")
private String fullPath;
@ManyToMany
@JoinTable(
name = "video_playlist",
joinColumns = @JoinColumn(name = "video_id"),
inverseJoinColumns = @JoinColumn(name = "playlist_id")
)
private List<Playlist> playlist = new ArrayList<>();
@OneToOne
@JoinColumn(name = "creator_id")
private Creator creator;
}

10
src/main/java/com/example/video_downloader/repositories/CreatorRepository.java Normal file
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@@ -0,0 +1,10 @@
package com.example.video_downloader.repositories;
import org.springframework.data.jpa.repository.JpaRepository;
import com.example.video_downloader.entity.Creator;
import java.util.Optional;
public interface CreatorRepository extends JpaRepository<Creator, Long> {
Optional<Creator> findByName(String name);
}

11
src/main/java/com/example/video_downloader/repositories/PlaylistRepository.java Normal file
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@@ -0,0 +1,11 @@
package com.example.video_downloader.repositories;
import com.example.video_downloader.entity.Playlist;
import com.example.video_downloader.entity.StatusEnum;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
public interface PlaylistRepository extends JpaRepository<Playlist, Long> {
List<Playlist> findByStatus(StatusEnum status);
}

4
src/main/java/com/example/video_downloader/repositories/VideoRepository.java
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@@ -1,9 +1,13 @@
package com.example.video_downloader.repositories;
import com.example.video_downloader.entity.StatusEnum;
import com.example.video_downloader.entity.Video;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import java.util.ArrayList;
import java.util.List;
@Repository
public interface VideoRepository extends JpaRepository<Video, Long> {
List<Video> findByStatus(StatusEnum status);
}

32
src/main/java/com/example/video_downloader/services/PlaylistService.java Normal file
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@@ -0,0 +1,32 @@
package com.example.video_downloader.services;
import com.example.video_downloader.dto.SaveNewPlaylistRequest;
import com.example.video_downloader.entity.Playlist;
import com.example.video_downloader.entity.StatusEnum;
import com.example.video_downloader.repositories.PlaylistRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.security.InvalidParameterException;
import java.util.List;
@Service
public class PlaylistService {
@Autowired
private PlaylistRepository playlistRepository;
public Playlist saveNewPlaylist(SaveNewPlaylistRequest request){
if(!request.getUrl().contains("list")) throw new InvalidParameterException();
Playlist playlist = new Playlist();
playlist.setStatus(StatusEnum.NEW);
playlist.setPlaylistName(request.getPlaylistName());
playlist.setUrl(request.getUrl());
playlistRepository.save(playlist);
return playlist;
}
public List<Playlist> getAllPlaylists(){
return playlistRepository.findAll();
}
}

20
src/main/java/com/example/video_downloader/services/ProcessService.java
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@@ -1,25 +1,21 @@
package com.example.video_downloader.services;
import jakarta.annotation.PostConstruct;
import org.springframework.stereotype.Service;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
@Service
public class ProcessService {
@PostConstruct
public void init() throws InterruptedException, IOException {
execute("yt-dlp", "");
}
public void execute(String... command) throws InterruptedException, IOException {
public String execute(String... command) throws InterruptedException, IOException {
ProcessBuilder builder = new ProcessBuilder(command);
builder.redirectOutput(ProcessBuilder.Redirect.INHERIT);
builder.redirectError(ProcessBuilder.Redirect.INHERIT);
// builder.redirectOutput(ProcessBuilder.Redirect.INHERIT);
// builder.redirectError(ProcessBuilder.Redirect.INHERIT);
Process process = builder.start();
process.waitFor();
String res = new String(process.getInputStream().readAllBytes());
int exitCode = process.waitFor();
return res;
}

8
src/main/java/com/example/video_downloader/services/VideoService.java
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@@ -4,11 +4,13 @@ import com.example.video_downloader.dto.SaveNewVideoRequest;
import com.example.video_downloader.entity.StatusEnum;
import com.example.video_downloader.entity.Video;
import com.example.video_downloader.repositories.VideoRepository;
import jakarta.persistence.EntityNotFoundException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
@Service
public class VideoService {
@@ -16,7 +18,8 @@ public class VideoService {
@Autowired
private VideoRepository videoRepository;
public Video saveNewVideo(SaveNewVideoRequest request){
public Video saveNewVideo(SaveNewVideoRequest request) {
if (request.getUrl().contains("list")) throw new InvalidParameterException("");
Video video = new Video();
video.setStatus(StatusEnum.NEW);
video.setUrl(request.getUrl());
@@ -30,6 +33,7 @@ public class VideoService {
}
public Video getVideoById(Long id){
//FIXME Throwolj EntityNotFoundException-t
return videoRepository.findById(id)
.orElseThrow(() -> new RuntimeException("Video not found with id: " + id));
}

129
src/main/java/com/example/video_downloader/services/YTDLPService.java Normal file
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@@ -0,0 +1,129 @@
package com.example.video_downloader.services;
import com.example.video_downloader.entity.Creator;
import com.example.video_downloader.entity.Playlist;
import com.example.video_downloader.entity.StatusEnum;
import com.example.video_downloader.entity.Video;
import com.example.video_downloader.repositories.CreatorRepository;
import com.example.video_downloader.repositories.PlaylistRepository;
import com.example.video_downloader.repositories.VideoRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.client.HttpClientErrorException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
@Service
public class YTDLPService {
Logger LOGGER = LoggerFactory.getLogger(YTDLPService.class);
/* FIXME
* LOGGER.debug("Valami szoveg: {}", valtozo);
* LOGGER.warn("Valami szoveg: {}", valtozo);
* LOGGER.info("Valami szoveg: {}", valtozo);
* LOGGER.error("Valami szoveg: {}", valtozo);
* mindegyik ugyan ugy mukodik, csak a log levelt be lehet allitani propertykent es akkor ha mondjuk error a loglevel akkor a debug logokat nem irja ki csak ami errorkent van logolva
*
* */
@Autowired
private VideoRepository videoRepository;
@Autowired
private PlaylistService playlistService;
@Autowired
private PlaylistRepository playlistRepository;
@Autowired
private ProcessService processService;
@Autowired
private CreatorRepository creatorRepository;
public void processPlaylist() throws IOException, InterruptedException {
List<Playlist> playlists = playlistRepository.findByStatus(StatusEnum.NEW);
for(Playlist playlist : playlists) {
String urls = processService.execute("yt-dlp", "--force-ipv4", "--flat-playlist", "--print", "webpage_url", playlist.getUrl());
for(String url : urls.split("\\n")){
Video video = new Video();
video.setUrl(url);
video.setStatus(StatusEnum.NEW);
video.getPlaylist().add(playlist);
videoRepository.save(video);
}
/* FIXME itt ugye fogod a playlistet es lemented az osszes hozza tartozo videot.
Ha ezzel vegeztel, akkor a playlist-nek a statuszat at kene allitani NEW-rol, *valamire*
Kene keresni valami elnevezest arra hogy "a playlistben levo videokat meg nem toltottem le, de az video entityket mar letrehoztam"
Pl.: PROCESSED bar nem vagyok benne biztos hogy ez lenne a legjobb nev ra.
Amit mondani akarok az az hogy ha ez a methodus lefutott, akkor ha ranezek a DB-re akkor nem tudom megkulonboztetni egy playlisten hogy csak most lett bekuldve,
vs mar elkezdtuk feldolgozni, es lementeni a hozza tartozo videokat.
* */
}
}
public void validateVideos() throws HttpClientErrorException, IOException, InterruptedException {
List<Video> response = videoRepository.findByStatus(StatusEnum.NEW);
for(Video video : response) {
String data = processVideo(video.getUrl());
String[] parts = data.trim().split(", ");
video.setName(parts[0]);
video.setUploadDate(parts[2]);
video.setDuration(parts[3]);
String creatorName = parts[1];
String creatorUrl = parts[4];
Creator creator = creatorRepository
.findByName(creatorName)
.orElseGet(() -> {
Creator newCreator = new Creator();
newCreator.setName(creatorName);
newCreator.setUrl(creatorUrl);
return creatorRepository.save(newCreator);
});
video.setCreator(creator);
videoRepository.save(video);
}
}
public void downloadVideos() throws IOException, InterruptedException {
List<Video> response = videoRepository.findByStatus(StatusEnum.NEW);
for(Video video : response){
downloadVideo(video.getUrl(), video.getId());
Path filePath = Paths.get("downloads/" + video.getId() + ".webm");
if(Files.exists(filePath) && Files.isRegularFile(filePath)) {
System.out.println("Apparently it exists mate.");
video.setFullPath(String.valueOf(filePath));
video.setStatus(StatusEnum.SAVED);
} else {
System.out.println("Download failed.");
video.setStatus(StatusEnum.FAILED);
}
videoRepository.save(video);
}
}
public String processVideo(String url) throws HttpClientErrorException, InterruptedException, IOException {
return processService.execute("yt-dlp", "--force-ipv4", "--skip-download", "--print", "%(title)s, %(uploader)s, %(upload_date)s, %(duration_string)s, %(uploader_url)s", url);
}
public void downloadVideo(String url, Long id) throws HttpClientErrorException, InterruptedException, IOException {
String outputPath = "downloads/" + id + ".%(ext)s";
String result = processService.execute("yt-dlp", "--force-ipv4", "-o", outputPath, url);
System.out.println(result);
}
}

8
src/main/resources/application.properties
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@@ -1,5 +1,9 @@
spring.application.name=video_downloader
spring.datasource.url = jdbc:postgresql://localhost:5432/videos
spring.datasource.url = jdbc:postgresql://127.0.0.1:5432/videos
spring.datasource.username = postgres
spring.datasource.password = 5995
spring.jpa.hibernate.ddl-auto = update
spring.jpa.hibernate.ddl-auto = none
logging.level.org.flywaydb=DEBUG
logging.level.org.springframework.boot.autoconfigure.flyway=DEBUG
spring.flyway.enabled=true
spring.flyway.baseline-on-migrate=true

6
src/main/resources/db/migration/V1__create_table_playlist.sql Normal file
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@@ -0,0 +1,6 @@
CREATE TABLE playlists (
id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
playlist_name VARCHAR(100) NOT NULL,
url VARCHAR(200) NOT NULL,
status VARCHAR(10) NOT NULL
);

9
src/main/resources/db/migration/V2__create_table_videos.sql Normal file
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@@ -0,0 +1,9 @@
CREATE TABLE videos (
id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
name VARCHAR(200),
url VARCHAR(200) NOT NULL,
upload_date VARCHAR(100),
duration VARCHAR(10),
status VARCHAR(10) NOT NULL,
full_path VARCHAR(100)
);

5
src/main/resources/db/migration/V3__create_table_creator.sql Normal file
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@@ -0,0 +1,5 @@
CREATE TABLE creator (
id BIGSERIAL PRIMARY KEY,
name VARCHAR(200) NOT NULL,
url VARCHAR(200) NOT NULL
);

7
src/main/resources/db/migration/V4__create_table_video_playlist.sql Normal file
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@@ -0,0 +1,7 @@
CREATE TABLE video_playlist (
video_id BIGINT NOT NULL,
playlist_id BIGINT NOT NULL,
PRIMARY KEY (video_id, playlist_id),
FOREIGN KEY (video_id) REFERENCES videos(id) ON DELETE CASCADE,
FOREIGN KEY (playlist_id) REFERENCES playlists(id) ON DELETE CASCADE
);

4
src/main/resources/db/migration/V5__alter_table_videos.sql Normal file
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@@ -0,0 +1,4 @@
ALTER TABLE videos
ADD COLUMN creator_id BIGINT,
ADD CONSTRAINT fk_videos_creator FOREIGN KEY (creator_id) REFERENCES creator(id)