add new enpoints to marketplace

app/services/marketplace.py

@@ -247,6 +247,42 @@ class MarketplaceService:
             "operation_id": operation_id,
             "message": "Предмет снят с продажи и будет возвращен в ваш инвентарь"
         }
+        
+    async def list_items_by_seller(
+        self,
+        username: str,
+        server_ip: str = None,
+        page: int = 1,
+        limit: int = 20
+        ):
+        """Получить товары, выставленные конкретным продавцом"""
+        query = {
+            "seller_name": username
+        }
+
+        if server_ip:
+            query["server_ip"] = server_ip
+
+        total = await marketplace_collection.count_documents(query)
+
+        items_cursor = (
+            marketplace_collection
+            .find(query)
+            .sort("created_at", -1)
+            .skip((page - 1) * limit)
+            .limit(limit)
+        )
+
+        items = await items_cursor.to_list(limit)
+
+        serialized_items = [_serialize_mongodb_doc(item) for item in items]
+
+        return {
+            "items": serialized_items,
+            "total": total,
+            "page": page,
+            "pages": (total + limit - 1) // limit
+        }
 
     async def update_item_price(self, username: str, item_id: str, new_price: int):
         """Обновить цену предмета на торговой площадке"""
@@ -276,3 +312,44 @@ class MarketplaceService:
             "status": "success",
             "message": f"Цена предмета обновлена на {new_price} монет"
         } 
+        
+    async def list_operations(
+        self,
+        server_ip: str = None,
+        player_name: str = None,
+        status: str = None,
+        op_type: str = None,
+        page: int = 1,
+        limit: int = 20
+    ):
+        """Получить операции маркетплейса (все или по игроку)"""
+        query = {}
+
+        if server_ip:
+            query["server_ip"] = server_ip
+        if player_name:
+            query["player_name"] = player_name
+        if status:
+            query["status"] = status
+        if op_type:
+            query["type"] = op_type
+
+        total = await marketplace_operations.count_documents(query)
+
+        cursor = (
+            marketplace_operations
+            .find(query)
+            .sort("created_at", -1)
+            .skip((page - 1) * limit)
+            .limit(limit)
+        )
+
+        ops = await cursor.to_list(limit)
+        serialized_ops = _serialize_mongodb_doc(ops)
+
+        return {
+            "operations": serialized_ops,
+            "total": total,
+            "page": page,
+            "pages": (total + limit - 1) // limit
+        }