refactor(ReactionController): 提取获取用户ID的逻辑到独立方法

将重复的jwtUtils.getUserIdFromRequest调用提取为私有方法getUserIdFromRequest

timeline-user-service/src/main/java/com/timeline/user/controller/ReactionController.java

@@ -40,7 +40,7 @@ public class ReactionController {
             // 获取当前用户ID（可能为null，用于匿名访问）
             String currentUserId = null;
             try {
-                currentUserId = jwtUtils.getUserIdFromRequest(request);
+                currentUserId = getUserIdFromRequest(request);
             } catch (Exception e) {
                 log.debug("未获取到用户ID，可能是匿名访问");
             }
@@ -69,7 +69,7 @@ public class ReactionController {
         log.info("添加/更新反应: {} - {} - {}", entityType, entityId, reactionType);
 
         try {
-            String userId = jwtUtils.getUserIdFromRequest(request);
+            String userId = getUserIdFromRequest(request);
             reactionService.addOrUpdateReaction(userId, entityType, entityId, reactionType);
             return ResponseEntity.success(null);
         } catch (IllegalArgumentException e) {
@@ -93,7 +93,7 @@ public class ReactionController {
         log.info("移除反应: {} - {}", entityType, entityId);
 
         try {
-            String userId = jwtUtils.getUserIdFromRequest(request);
+            String userId = getUserIdFromRequest(request);
             reactionService.removeReaction(userId, entityType, entityId);
             return ResponseEntity.success(null);
         } catch (IllegalArgumentException e) {
@@ -104,4 +104,16 @@ public class ReactionController {
             return ResponseEntity.error(500, "移除反应失败");
         }
     }
+
+    /**
+     * 从请求中获取用户ID
+     */
+    private String getUserIdFromRequest(HttpServletRequest request) {
+        String token = request.getHeader("Authorization");
+        if (token != null && token.startsWith("Bearer ")) {
+            token = token.substring(7);
+            return jwtUtils.getUserIdFromToken(token);
+        }
+        throw new RuntimeException("Unauthorized");
+    }
 }