更新 src/main/java/com/vibevault/controller/PlaylistController.java

src/main/java/com/vibevault/controller/PlaylistController.java

@@ -12,7 +12,7 @@ import java.util.List;
 
 /**
  * 歌单 REST 控制器
- * 
+ *
  * 需要实现以下端点：
  * - GET /api/playlists - 获取所有歌单（公开）
  * - GET /api/playlists/{id} - 获取指定歌单（公开）
@@ -20,11 +20,11 @@ import java.util.List;
  * - POST /api/playlists/{id}/songs - 添加歌曲（需认证）
  * - DELETE /api/playlists/{playlistId}/songs/{songId} - 移除歌曲（需认证）
  * - DELETE /api/playlists/{id} - 删除歌单（需认证）
- * 
+ *
  * [Advanced] 额外端点：
  * - GET /api/playlists/search?keyword=xxx - 搜索歌单
  * - POST /api/playlists/{id}/copy?newName=xxx - 复制歌单
- * 
+ *
  * 提示：
  * - 使用 Authentication 参数获取当前用户名：authentication.getName()
  * - 使用 @ResponseStatus 设置正确的 HTTP 状态码
@@ -39,19 +39,69 @@ public class PlaylistController {
         this.playlistService = playlistService;
     }
 
-    // TODO: 实现 GET /api/playlists
+    // GET /api/playlists - 获取所有歌单（公开）
+    @GetMapping
+    public List<PlaylistDTO> getAllPlaylists() {
+        return playlistService.getAllPlaylists();
+    }
 
-    // TODO: 实现 GET /api/playlists/{id}
+    // GET /api/playlists/{id} - 获取指定歌单（公开）
+    @GetMapping("/{id}")
+    public PlaylistDTO getPlaylistById(@PathVariable Long id) {
+        return playlistService.getPlaylistById(id);
+    }
 
-    // TODO: 实现 POST /api/playlists (状态码 201)
+    // POST /api/playlists - 创建歌单（需认证） 状态码 201
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    public PlaylistDTO createPlaylist(@RequestBody PlaylistCreateDTO playlistCreateDTO,
+                                      Authentication authentication) {
+        String username = authentication.getName();
+        return playlistService.createPlaylist(playlistCreateDTO.name(), username);
+    }
 
-    // TODO: 实现 POST /api/playlists/{id}/songs (状态码 201)
+    // POST /api/playlists/{id}/songs - 添加歌曲（需认证） 状态码 201
+    @PostMapping("/{id}/songs")
+    @ResponseStatus(HttpStatus.CREATED)
+    public PlaylistDTO addSongToPlaylist(@PathVariable Long id,
+                                         @RequestBody SongCreateDTO songCreateDTO,
+                                         Authentication authentication) {
+        String username = authentication.getName();
+        return playlistService.addSongToPlaylist(id, songCreateDTO, username);
+    }
 
-    // TODO: 实现 DELETE /api/playlists/{playlistId}/songs/{songId} (状态码 204)
+    // DELETE /api/playlists/{playlistId}/songs/{songId} - 移除歌曲（需认证） 状态码 204
+    @DeleteMapping("/{playlistId}/songs/{songId}")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public void removeSongFromPlaylist(@PathVariable Long playlistId,
+                                       @PathVariable Long songId,
+                                       Authentication authentication) {
+        String username = authentication.getName();
+        playlistService.removeSongFromPlaylist(playlistId, songId, username);
+    }
 
-    // TODO: 实现 DELETE /api/playlists/{id} (状态码 204)
+    // DELETE /api/playlists/{id} - 删除歌单（需认证） 状态码 204
+    @DeleteMapping("/{id}")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public void deletePlaylist(@PathVariable Long id,
+                               Authentication authentication) {
+        String username = authentication.getName();
+        playlistService.deletePlaylist(id, username);
+    }
 
-    // TODO [Advanced]: 实现 GET /api/playlists/search?keyword=xxx
+    // [Advanced] GET /api/playlists/search?keyword=xxx - 搜索歌单
+    @GetMapping("/search")
+    public List<PlaylistDTO> searchPlaylists(@RequestParam String keyword) {
+        return playlistService.searchPlaylists(keyword);
+    }
 
-    // TODO [Advanced]: 实现 POST /api/playlists/{id}/copy?newName=xxx (状态码 201)
-}
+    // [Advanced] POST /api/playlists/{id}/copy?newName=xxx - 复制歌单 状态码 201
+    @PostMapping("/{id}/copy")
+    @ResponseStatus(HttpStatus.CREATED)
+    public PlaylistDTO copyPlaylist(@PathVariable Long id,
+                                    @RequestParam String newName,
+                                    Authentication authentication) {
+        String username = authentication.getName();
+        return playlistService.copyPlaylist(id, newName, username);
+    }
+}