Print is finally working.

src/main/java/com/example/video_downloader/controllers/VideoController.java

@@ -29,10 +29,6 @@ public class VideoController {
     @Autowired
     private YTDLPService ytdlpService;
 
-    @Data
-    private static class Response {
-        private Long id;
-    }
 
     @Data
     private static class Trigger {
@@ -40,14 +36,8 @@ public class VideoController {
     }
 
     @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")
@@ -71,6 +61,7 @@ public class VideoController {
     public int getJobDone(@RequestBody Trigger trigger) throws IOException, InterruptedException {
         int statusCode = 200;
         if(trigger.input) {
+            ytdlpService.processPlaylist();
             ytdlpService.validateVideos();
         }
         return statusCode;

src/main/java/com/example/video_downloader/entity/Playlist.java

@@ -17,9 +17,13 @@ public class Playlist {
     @GeneratedValue(strategy = GenerationType.SEQUENCE)
     private Long id;
 
+    @Column
     private String playlistName;
-
+    
+    @Column
     private String url;
+
+    @Enumerated(EnumType.STRING)
     private StatusEnum status;
 
     @ManyToMany

src/main/java/com/example/video_downloader/entity/Video.java

@@ -4,6 +4,9 @@ import jakarta.persistence.*;
 import lombok.Data;
 import lombok.ToString;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Data
 @ToString
 @Entity
@@ -22,9 +25,13 @@ public class Video {
 
     private String fullPath;
 
-    @ManyToOne
+    @ManyToMany
-    @JoinColumn(name = "playlist_id")
+    @JoinTable(
-    private Playlist playlist;
+            name = "video_playlist",
+            joinColumns = @JoinColumn(name = "video_id"),
+            inverseJoinColumns = @JoinColumn(name = "playlist_id")
+    )
+    private List<Playlist> playlist = new ArrayList<>();
 
     @OneToOne
     @JoinColumn(name = "creator_id")

src/main/java/com/example/video_downloader/repositories/PlaylistRepository.java

@@ -1,7 +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);
 }

src/main/java/com/example/video_downloader/services/PlaylistService.java

@@ -7,6 +7,7 @@ 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
@@ -16,14 +17,13 @@ public class PlaylistService {
     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(){

src/main/java/com/example/video_downloader/services/ProcessService.java

@@ -2,17 +2,23 @@ package com.example.video_downloader.services;
 
 import org.springframework.stereotype.Service;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 
 @Service
 public class ProcessService {
 
-    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.redirectOutput(ProcessBuilder.Redirect.INHERIT);
-        builder.redirectError(ProcessBuilder.Redirect.INHERIT);
+//        builder.redirectError(ProcessBuilder.Redirect.INHERIT);
         Process process = builder.start();
+        String res = new String(process.getInputStream().readAllBytes());
+
         int exitCode = process.waitFor();
+        return res;
     }
 
 

src/main/java/com/example/video_downloader/services/VideoService.java

@@ -7,8 +7,8 @@ import com.example.video_downloader.repositories.VideoRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.security.InvalidParameterException;
 import java.util.List;
-import java.util.Optional;
 
 @Service
 public class VideoService {
@@ -16,7 +16,8 @@ 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());

src/main/java/com/example/video_downloader/services/YTDLPService.java

@@ -1,9 +1,10 @@
 package com.example.video_downloader.services;
 
+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.PlaylistRepository;
 import com.example.video_downloader.repositories.VideoRepository;
-import jakarta.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.HttpClientErrorException;
@@ -23,31 +24,54 @@ public class YTDLPService {
     @Autowired
     private PlaylistService playlistService;
 
+    @Autowired
+    private PlaylistRepository playlistRepository;
+
     @Autowired
     private ProcessService processService;
 
+
+    public void processPlaylist() throws IOException, InterruptedException {
+        List<Playlist> playlists = playlistRepository.findByStatus(StatusEnum.NEW);
+
+        for(Playlist playlist : playlists) {
+            String urls =  processService.execute("yt-dlp", "--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);
+            }
+
+        }
+
+    }
+
     public void validateVideos() throws HttpClientErrorException, IOException, InterruptedException {
         List<Video> response = videoRepository.findByStatus(StatusEnum.NEW);
+
         for(Video video : response) {
-            if(video.getStatus().equals(StatusEnum.NEW)){
                 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("Nah it does not exist mate.");
+                    System.out.println("Download failed.");
                     video.setStatus(StatusEnum.FAILED);
                 }
                 videoRepository.save(video);
-            }
+
         }
     }
 
     public void downloadVideo(String url, Long id) throws HttpClientErrorException, InterruptedException, IOException {
         String outputPath = "downloads/" + id + ".%(ext)s";
-        processService.execute("yt-dlp", "-o", outputPath, url);
+        String result = processService.execute("yt-dlp", "--print", "%(title)s, %(uploader)s, %(upload_date)s, %(duration_string)s", outputPath, url);
+        System.out.println(result);
     }
+
+
 }