From 4a379bed8386e864960a300c86759726c67f6df1 Mon Sep 17 00:00:00 2001
From: ikmkj <1@qq,com>
Date: Fri, 10 Oct 2025 22:30:49 +0800
Subject: [PATCH] =?UTF-8?q?feat(playlist):=20=E5=AE=9E=E7=8E=B0=E6=AD=8C?=
 =?UTF-8?q?=E5=8D=95=E6=94=B6=E8=97=8F=E4=B8=8E=E5=8F=96=E6=B6=88=E6=94=B6?=
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---
 .../service/impl/PlaylistServiceImpl.java     | 34 ++++++++++++-------
 1 file changed, 21 insertions(+), 13 deletions(-)

diff --git a/music-houduan/src/main/java/com/test/musichouduan/service/impl/PlaylistServiceImpl.java b/music-houduan/src/main/java/com/test/musichouduan/service/impl/PlaylistServiceImpl.java
index 87b2ed1..820683f 100644
--- a/music-houduan/src/main/java/com/test/musichouduan/service/impl/PlaylistServiceImpl.java
+++ b/music-houduan/src/main/java/com/test/musichouduan/service/impl/PlaylistServiceImpl.java
@@ -368,22 +368,30 @@ public class PlaylistServiceImpl implements PlaylistService {
 
         // 检查是否已收藏
         if (userCollectPlaylistRepository.existsByUserAndPlaylist(user, playlist)) {
-            throw new BusinessException("已收藏该歌单");
+            // 已收藏则取消收藏
+            userCollectPlaylistRepository.deleteByUserAndPlaylist(user, playlist);
+
+            // 更新收藏数
+            playlist.setCollectCount((playlist.getCollectCount() == null ? 0 : playlist.getCollectCount()) - 1);
+            playlistRepository.save(playlist);
+
+            return false; // 表示取消收藏
+        } else {
+            // 未收藏则进行收藏
+            com.test.musichouduan.entity.UserCollectPlaylist userCollectPlaylist = new com.test.musichouduan.entity.UserCollectPlaylist();
+            userCollectPlaylist.setUser(user);
+            userCollectPlaylist.setPlaylist(playlist);
+            userCollectPlaylistRepository.save(userCollectPlaylist);
+
+            // 更新收藏数
+            playlist.setCollectCount((playlist.getCollectCount() == null ? 0 : playlist.getCollectCount()) + 1);
+            playlistRepository.save(playlist);
+
+            return true; // 表示收藏成功
         }
-
-        // 收藏歌单
-        com.test.musichouduan.entity.UserCollectPlaylist userCollectPlaylist = new com.test.musichouduan.entity.UserCollectPlaylist();
-        userCollectPlaylist.setUser(user);
-        userCollectPlaylist.setPlaylist(playlist);
-        userCollectPlaylistRepository.save(userCollectPlaylist);
-
-        // 更新收藏数
-        playlist.setCollectCount((playlist.getCollectCount() == null ? 0 : playlist.getCollectCount()) + 1);
-        playlistRepository.save(playlist);
-
-        return true;
     }
 
+
     @Override
     @Transactional
     public boolean uncollectPlaylist(Long id) {