add: endpoints for cancel and edit price item

app/api/marketplace.py

@@ -60,4 +60,23 @@ async def confirm_marketplace_operation(data: dict):
 async def submit_item_details(data: dict):
     """Получить подробные данные о предмете"""
     from app.services.marketplace import MarketplaceService
-    return await MarketplaceService().update_item_details(data["operation_id"], data["item_data"]) 
+    return await MarketplaceService().update_item_details(data["operation_id"], data["item_data"])
+
+@router.delete("/items/{item_id}")
+async def cancel_item_sale(
+    item_id: str,
+    username: str = Query(...)
+):
+    """Снять предмет с продажи"""
+    from app.services.marketplace import MarketplaceService
+    return await MarketplaceService().cancel_item_sale(username, item_id)
+
+@router.put("/items/{item_id}/price")
+async def update_item_price(
+    item_id: str,
+    new_price: int = Body(..., gt=0),
+    username: str = Body(...)
+):
+    """Обновить цену предмета на торговой площадке"""
+    from app.services.marketplace import MarketplaceService
+    return await MarketplaceService().update_item_price(username, item_id, new_price)