功能刀具组装时自动根据BOM配置选取物料逻辑优化为：一直查找直到找到一个满足条件的物料货位，如果没有就给提示。

sf_tool_management/models/base.py

@@ -791,48 +791,50 @@ class FunctionalToolAssembly(models.Model):
         # 刀柄之外的物料配置
         if options == '刀柄+整体式刀具':
             # 配置整体式刀具
-            integra_lot_id = self._get_old_tool_material_lot(bom.get('integral_ids'))
-            integra_location_lot_id = self._get_shelf_location_lot(integra_lot_id)
+            integra_lot_ids = self._get_old_tool_material_lot(bom.get('integral_ids'))
+            integra_location_lot_id = self._get_shelf_location_lot(integra_lot_ids)
             self.integral_freight_barcode_id = integra_location_lot_id.shelf_location_id.id
             self.integral_lot_id = integra_location_lot_id.lot_id.id
         else:
             # 配置刀片
-            blade_lot_id = self._get_old_tool_material_lot(bom.get('blade_ids'))
-            blade_location_lot_id = self._get_shelf_location_lot(blade_lot_id)
+            blade_lot_ids = self._get_old_tool_material_lot(bom.get('blade_ids'))
+            blade_location_lot_id = self._get_shelf_location_lot(blade_lot_ids)
             self.blade_freight_barcode_id = blade_location_lot_id.shelf_location_id.id
             self.blade_lot_id = blade_location_lot_id.lot_id.id
 
             if options == '刀柄+刀杆+刀片':
                 # 配置刀杆
-                bar_lot_id = self._get_old_tool_material_lot(bom.get('bar_ids'))
-                bar_location_lot_id = self._get_shelf_location_lot(bar_lot_id)
+                bar_lot_ids = self._get_old_tool_material_lot(bom.get('bar_ids'))
+                bar_location_lot_id = self._get_shelf_location_lot(bar_lot_ids)
                 self.bar_freight_barcode_id = bar_location_lot_id.shelf_location_id.id
                 self.bar_lot_id = bar_location_lot_id.lot_id.id
             elif options == '刀柄+刀盘+刀片':
                 # 配置刀盘
-                pad_lot_id = self._get_old_tool_material_lot(bom.get('pad_ids'))
-                pad_location_lot_id = self._get_shelf_location_lot(pad_lot_id)
+                pad_lot_ids = self._get_old_tool_material_lot(bom.get('pad_ids'))
+                pad_location_lot_id = self._get_shelf_location_lot(pad_lot_ids)
                 self.pad_freight_barcode_id = pad_location_lot_id.shelf_location_id.id
                 self.pad_lot_id = pad_location_lot_id.lot_id.id
 
     def _get_old_tool_material_lot(self, material_ids):
         """ 根据先进先出原则选择物料批次 """
         location_id = self.env['stock.location'].search([('name', '=', '刀具房')])
-        stock_quant = self.env['stock.quant'].sudo().search(
+        stock_quant_ids = self.env['stock.quant'].sudo().search(
             [('location_id', '=', location_id.id), ('product_id', 'in', material_ids.ids), ('quantity', '>', '0')],
-            order='lot_id', limit=1)
-        if stock_quant:
-            return stock_quant.lot_id
+            order='lot_id')
+        if stock_quant_ids:
+            return [stock_quant_id.lot_id for stock_quant_id in stock_quant_ids]
         else:
             raise ValidationError(f'【{material_ids[0].cutting_tool_material_id.name}】物料库存不足，请先进行盘点或采购')
 
-    def _get_shelf_location_lot(self, lot_id):
+    def _get_shelf_location_lot(self, lot_ids):
         """根据所给的刀具物料批次号，返回一个刀具物料货位、批次信息"""
-        location_lots = self.env['sf.shelf.location.lot'].sudo().search([('lot_id', '=', lot_id.id)])
-        if not location_lots:
-            raise ValidationError(f'没有查询到批次为【{lot_id.name}】物料的货位信息！')
-        else:
-            return location_lots[0]
+        for lot_id in lot_ids:
+            location_lots = self.env['sf.shelf.location.lot'].sudo().search([('lot_id', '=', lot_id.id)])
+            if location_lots:
+                return location_lots[0]
+        if lot_ids:
+            raise ValidationError(
+                f'【{lot_ids[0].product_id.cutting_tool_material_id.name}】物料在货位上库存不足，请先进行盘点或采购！')
 
     def _get_inventory_bom(self, inventory_id):
         """获取BOM的刀具物料产品信息"""