fix: 修复文件夹过滤时分页总数计算错误

xian_favor/api.py

@@ -55,7 +55,8 @@ def list_items():
         status=request.args.get('status'),
         tag=request.args.get('tag'),
         keyword=request.args.get('keyword'),
-        starred=starred
+        starred=starred,
+        folder_id=folder_id
     )
     
     return jsonify({'success': True, 'data': items, 'total': total})

xian_favor/db.py

@@ -326,7 +326,7 @@ class Database:
             return items
     
     def count_items(self, type: str = None, status: str = None, tag: str = None,
-                    keyword: str = None, starred: bool = None) -> int:
+                    keyword: str = None, starred: bool = None, folder_id: int = None) -> int:
         """计算符合条件的条目总数"""
         with self.get_conn() as conn:
             cursor = conn.cursor()
@@ -358,6 +358,15 @@ class Database:
                 keyword_pattern = f"%{keyword}%"
                 params.extend([keyword_pattern, keyword_pattern, keyword_pattern])
             
+            # 文件夹过滤
+            if folder_id is not None:
+                if folder_id == -1:
+                    # 未分类：folder_id为NULL
+                    conditions.append("i.folder_id IS NULL")
+                else:
+                    conditions.append("i.folder_id = ?")
+                    params.append(folder_id)
+            
             if conditions:
                 query += " WHERE " + " AND ".join(conditions)