cache(invalidate): 更新热门歌曲、歌单和歌手缓存

- 在添加、更新和删除音乐时更新热门歌曲缓存
- 在添加、更新和删除歌单时更新热门歌单缓存
- 在添加、更新和删除歌手时更新热门歌手缓存

music-houduan/src/main/java/com/test/musichouduan/controller/MusicController.java

@@ -144,6 +144,7 @@ public class MusicController {
             @RequestPart(value = "file", required = false) MultipartFile file,
             @RequestPart(value = "cover", required = false) MultipartFile cover) {
         MusicDTO result = musicService.addMusic(musicDTO, file, cover);
+        musicService.updateHotMusicCache();
         return Result.success("添加成功", result);
     }
 
@@ -178,6 +179,7 @@ public class MusicController {
     @DeleteMapping("/{id}")
     public Result<Boolean> deleteMusic(@PathVariable Long id) {
         boolean result = musicService.deleteMusic(id);
+        musicService.updateHotMusicCache();
         return Result.success("删除成功", result);
     }
 

music-houduan/src/main/java/com/test/musichouduan/controller/PlaylistController.java

@@ -8,6 +8,7 @@ import com.test.musichouduan.dto.PlaylistDTO;
 import com.test.musichouduan.dto.Result;
 import com.test.musichouduan.service.PlaylistService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -19,9 +20,11 @@ import java.util.List;
 @RestController
 @RequestMapping("/api/playlist")
 public class PlaylistController {
-
+    private static final String HOT_PLAYLIST_CACHE_KEY = "playlist:hot_list";
     @Autowired
     private PlaylistService playlistService;
+    @Autowired
+    private StringRedisTemplate redisTemplate;
 
     /**
      * 根据ID获取歌单
@@ -129,6 +132,8 @@ public class PlaylistController {
             @RequestPart("playlist") PlaylistDTO playlistDTO,
             @RequestPart(value = "cover", required = false) MultipartFile cover) {
         PlaylistDTO result = playlistService.addPlaylist(playlistDTO, cover);
+        redisTemplate.delete(HOT_PLAYLIST_CACHE_KEY);
+        playlistService.getHotPlaylist(50);
         return Result.success("添加成功", result);
     }
 
@@ -147,6 +152,8 @@ public class PlaylistController {
             @RequestPart("playlist") PlaylistDTO playlistDTO,
             @RequestPart(value = "cover", required = false) MultipartFile cover) {
         PlaylistDTO result = playlistService.updatePlaylist(id, playlistDTO, cover);
+        redisTemplate.delete(HOT_PLAYLIST_CACHE_KEY);
+        playlistService.getHotPlaylist(50);
         return Result.success("更新成功", result);
     }
 
@@ -160,6 +167,8 @@ public class PlaylistController {
     @DeleteMapping("/{id}")
     public Result<Boolean> deletePlaylist(@PathVariable Long id) {
         boolean result = playlistService.deletePlaylist(id);
+        redisTemplate.delete(HOT_PLAYLIST_CACHE_KEY);
+        playlistService.getHotPlaylist(50);
         return Result.success("删除成功", result);
     }
 

music-houduan/src/main/java/com/test/musichouduan/controller/SingerController.java

@@ -8,6 +8,7 @@ import com.test.musichouduan.dto.Result;
 import com.test.musichouduan.dto.SingerDTO;
 import com.test.musichouduan.service.SingerService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -20,8 +21,12 @@ import java.util.List;
 @RequestMapping("/api/singer")
 public class SingerController {
 
+    private static final String HOT_SINGER_CACHE_KEY = "singer:hot_list";
+
     @Autowired
     private SingerService singerService;
+    @Autowired
+    private StringRedisTemplate redisTemplate;
 
     /**
      * 根据ID获取歌手
@@ -114,6 +119,8 @@ public class SingerController {
             @RequestPart("singer") SingerDTO singerDTO,
             @RequestPart(value = "avatar", required = false) MultipartFile avatar) {
         SingerDTO result = singerService.addSinger(singerDTO, avatar);
+        redisTemplate.delete(HOT_SINGER_CACHE_KEY);
+        singerService.getHotSinger(50);
         return Result.success("添加成功", result);
     }
 
@@ -133,6 +140,8 @@ public class SingerController {
             @RequestPart("singer") SingerDTO singerDTO,
             @RequestPart(value = "avatar", required = false) MultipartFile avatar) {
         SingerDTO result = singerService.updateSinger(id, singerDTO, avatar);
+        redisTemplate.delete(HOT_SINGER_CACHE_KEY);
+        singerService.getHotSinger(50);
         return Result.success("更新成功", result);
     }
 
@@ -146,6 +155,8 @@ public class SingerController {
     @DeleteMapping("/{id}")
     public Result<Boolean> deleteSinger(@PathVariable Long id) {
         boolean result = singerService.deleteSinger(id);
+        redisTemplate.delete(HOT_SINGER_CACHE_KEY);
+        singerService.getHotSinger(50);
         return Result.success("删除成功", result);
     }