增加搜索推荐

backend/README.md

@@ -51,6 +51,8 @@ backend/
 - `GET /api/artwork/:id/preview` - 获取作品预览
 - `GET /api/artwork/:id/images` - 获取作品图片URL
   - 参数: `size` (small/medium/large/original)
+- `GET /api/artwork/:id/related` - 获取相关推荐作品
+  - 参数: `offset`, `limit`
 
 ### 排行榜相关
 

backend/routes/artwork.js

@@ -266,4 +266,45 @@ router.post('/:id/bookmark', async (req, res) => {
   }
 });
 
+/**
+ * 获取相关推荐作品
+ * GET /api/artwork/:id/related
+ */
+router.get('/:id/related', async (req, res) => {
+  try {
+    const { id } = req.params;
+    const { offset = 0, limit = 30 } = req.query;
+    
+    if (!id || isNaN(parseInt(id))) {
+      return res.status(400).json({
+        success: false,
+        error: 'Invalid artwork ID'
+      });
+    }
+    
+    const artworkService = new ArtworkService(req.backend.getAuth());
+    const result = await artworkService.getRelatedArtworks(parseInt(id), {
+      offset: parseInt(offset),
+      limit: parseInt(limit)
+    });
+    
+    if (result.success) {
+      res.json({
+        success: true,
+        data: result.data
+      });
+    } else {
+      res.status(404).json({
+        success: false,
+        error: result.error
+      });
+    }
+  } catch (error) {
+    res.status(500).json({
+      success: false,
+      error: error.message
+    });
+  }
+});
+
 module.exports = router; 

backend/services/artwork.js

@@ -366,6 +366,48 @@ class ArtworkService {
     }
   }
 
+  /**
+   * 获取相关推荐作品
+   */
+  async getRelatedArtworks(artworkId, options = {}) {
+    try {
+      const { offset = 0, limit = 30 } = options;
+      
+      if (!artworkId || isNaN(parseInt(artworkId))) {
+        return {
+          success: false,
+          error: 'Invalid artwork ID'
+        };
+      }
+
+      const params = {
+        illust_id: parseInt(artworkId),
+        offset: parseInt(offset),
+        filter: 'for_ios'
+      };
+
+      const response = await this.makeRequest('GET', '/v2/illust/related', params);
+
+      return {
+        success: true,
+        data: {
+          artworks: response.illusts || [],
+          next_url: response.next_url,
+          total: response.illusts ? response.illusts.length : 0,
+          source_artwork_id: artworkId
+        }
+      };
+    } catch (error) {
+      logger.error('Get related artworks error:', error.message);
+      logger.error('Get related artworks error details:', error.response?.data);
+
+      return {
+        success: false,
+        error: error.message || 'Failed to get related artworks'
+      };
+    }
+  }
+
   /**
    * 发送API请求
    */