feat: P0-2 订单BOM计算单+Excel导出(openpyxl)

src/huamenchuang/api/orders.py

@@ -75,6 +75,50 @@ async def order_detail(order_id: int, user: CurrentUser, db: DbSession):
     return ok(data=data)
 
 
+@router.get("/{order_id}/bom")
+async def order_bom(order_id: int, user: CurrentUser, db: DbSession):
+    """订单 BOM 计算单（对齐 calcbomOrder）：型材下料清单 + 玻璃/五金汇总。"""
+    try:
+        order = await OrderService(db).get_detail(user, order_id)
+    except KeyError as e:
+        return fail(str(e))
+    if not order.drawing_data:
+        return fail("该订单没有图纸数据")
+    from huamenchuang.core.drawing import parse_drawing
+    from huamenchuang.services.quote_service import bom as build_bom
+    try:
+        data = build_bom(parse_drawing(order.drawing_data))
+    except Exception:
+        return fail("图纸数据解析失败")
+    return ok(data={**data, "order_no": order.order_no}, message="BOM 生成成功")
+
+
+@router.get("/{order_id}/export")
+async def export_order(order_id: int, user: CurrentUser, db: DbSession):
+    """订单导出 Excel（对齐 orders/export：信息 + BOM 下料清单）。"""
+    from fastapi.responses import Response
+    try:
+        order = await OrderService(db).get_detail(user, order_id)
+    except KeyError as e:
+        return fail(str(e))
+    if not order.drawing_data:
+        return fail("该订单没有图纸数据")
+    from huamenchuang.core.drawing import parse_drawing
+    from huamenchuang.services.excel_service import order_workbook
+    from huamenchuang.services.quote_service import bom as build_bom
+    try:
+        sheet = build_bom(parse_drawing(order.drawing_data))
+    except Exception:
+        return fail("图纸数据解析失败")
+    content = order_workbook(_to_out(order), sheet)
+    filename = f"order_{order.order_no}.xlsx"
+    return Response(
+        content,
+        media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+        headers={"Content-Disposition": f"attachment; filename={filename}"},
+    )
+
+
 @router.put("/{order_id}")
 async def update_order(order_id: int, body: OrderUpdate, user: CurrentUser, db: DbSession):
     """更新订单基础字段；action=change_status 时执行状态迁移。"""