Simplify PlaylistHelper#getUserPlaylist

src/main/java/me/kavin/piped/server/ServerLauncher.java

@@ -37,8 +37,7 @@
 
 import static io.activej.config.converter.ConfigConverters.ofInetSocketAddress;
 import static io.activej.http.HttpHeaders.*;
-import static io.activej.http.HttpMethod.GET;
-import static io.activej.http.HttpMethod.POST;
+import static io.activej.http.HttpMethod.*;
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static me.kavin.piped.consts.Constants.mapper;
 
@@ -402,7 +401,7 @@ AsyncServlet mainServlet(Executor executor) {
                     } catch (Exception e) {
                         return getErrorResponse(e, request.getPath());
                     }
-                })).map(POST, "/user/playlists/description/change", AsyncServlet.ofBlocking(executor, request -> {
+                })).map(PATCH, "/user/playlists/description", AsyncServlet.ofBlocking(executor, request -> {
                     try {
                         var json = mapper.readTree(request.loadBody().getResult().asArray());
                         var playlistId = json.get("playlistId").textValue();

src/main/java/me/kavin/piped/server/handlers/auth/AuthPlaylistHandlers.java

@@ -23,6 +23,7 @@
 import me.kavin.piped.utils.resp.InvalidRequestResponse;
 import org.apache.commons.lang3.StringUtils;
 import org.hibernate.Session;
+import org.hibernate.internal.util.ExceptionHelper;
 import org.schabi.newpipe.extractor.Page;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
@@ -148,19 +149,15 @@ public static byte[] renamePlaylistResponse(String session, String playlistId, S
             ExceptionHandler.throwErrorResponse(new AuthenticationFailureResponse());
 
         try (Session s = DatabaseSessionFactory.createSession()) {
-            var playlistResult = PlaylistHelpers.getUserPlaylist(s, user, playlistId);
-            if (playlistResult.getError() != null) {
-                return mapper.writeValueAsBytes(mapper.createObjectNode()
-                        .put("error", playlistResult.getError()));
-            }
-            var playlist = playlistResult.getPlaylist();
-
+            var playlist = PlaylistHelpers.getUserPlaylist(s, user, playlistId);
             playlist.setName(newName);
 
             var tr = s.beginTransaction();
             s.merge(playlist);
             tr.commit();
 
+        } catch (IllegalArgumentException e) {
+            ExceptionHandler.throwErrorResponse(new InvalidRequestResponse(e.getMessage()));
         }
 
         return mapper.writeValueAsBytes(new AcceptedResponse());
@@ -180,19 +177,15 @@ public static byte[] editPlaylistDescriptionResponse(String session, String play
             ExceptionHandler.throwErrorResponse(new AuthenticationFailureResponse());
 
         try (Session s = DatabaseSessionFactory.createSession()) {
-            var playlistResult = PlaylistHelpers.getUserPlaylist(s, user, playlistId);
-            if (playlistResult.getError() != null) {
-                return mapper.writeValueAsBytes(mapper.createObjectNode()
-                        .put("error", playlistResult.getError()));
-            }
-            var playlist = playlistResult.getPlaylist();
-
+            var playlist = PlaylistHelpers.getUserPlaylist(s, user, playlistId);
             playlist.setShortDescription(newDescription);
 
             var tr = s.beginTransaction();
             s.merge(playlist);
             tr.commit();
 
+        } catch (IllegalArgumentException e) {
+            ExceptionHandler.throwErrorResponse(new InvalidRequestResponse(e.getMessage()));
         }
 
         return mapper.writeValueAsBytes(new AcceptedResponse());
@@ -209,17 +202,14 @@ public static byte[] deletePlaylistResponse(String session, String playlistId) t
             ExceptionHandler.throwErrorResponse(new AuthenticationFailureResponse());
 
         try (Session s = DatabaseSessionFactory.createSession()) {
-            var playlistResult = PlaylistHelpers.getUserPlaylist(s, user, playlistId);
-            if (playlistResult.getError() != null) {
-                return mapper.writeValueAsBytes(mapper.createObjectNode()
-                        .put("error", playlistResult.getError()));
-            }
-            var playlist = playlistResult.getPlaylist();
+            var playlist = PlaylistHelpers.getUserPlaylist(s, user, playlistId);
 
             var tr = s.beginTransaction();
             s.remove(playlist);
             tr.commit();
 
+        } catch (IllegalArgumentException e) {
+            ExceptionHandler.throwErrorResponse(new InvalidRequestResponse(e.getMessage()));
         }
 
         return mapper.writeValueAsBytes(new AcceptedResponse());

src/main/java/me/kavin/piped/utils/PlaylistHelpers.java

@@ -1,19 +1,20 @@
 package me.kavin.piped.utils;
 
+import me.kavin.piped.utils.obj.db.Playlist;
 import org.hibernate.Session;
 
 import me.kavin.piped.utils.obj.db.User;
 
 public class PlaylistHelpers {
-    public static PlaylistResult getUserPlaylist(Session s, User user, String playlistId) {
+    public static Playlist getUserPlaylist(Session s, User user, String playlistId) throws IllegalArgumentException {
         var playlist = DatabaseHelper.getPlaylistFromId(s, playlistId);
 
         if (playlist == null)
-            return new PlaylistResult(null, "Playlist not found");
+            throw new IllegalArgumentException("Playlist not found");
 
         if (playlist.getOwner().getId() != user.getId())
-            return new PlaylistResult(null, "You do not own this playlist");
+            throw  new IllegalArgumentException("You do not own this playlist");
 
-        return new PlaylistResult(playlist, null);
+        return playlist;
     }
 }