解决采购申请创建的采购单取消后导致后续单据无法就绪的问题

jikimo_purchase_request/models/purchase_order.py

@@ -31,12 +31,20 @@ class PurchaseOrder(models.Model):
     
     def button_cancel(self):
         """
-            将取消的采购订单关联的库存移动撤销
+            1. 先将采购订单行与目标库存移动断开链接，避免采购单取消后，调拨单被调整为mts的问题
+            2. 取消采购订单
+            3. 将采购订单行与目标库存移动重新建立链接
         """
-        move_ids = self.order_line.move_dest_ids.filtered(lambda move: move.state != 'done' and not move.scrapped)
+        created_purchase_request_line_ids = {}
+        if self.order_line.move_dest_ids.created_purchase_request_line_id:
+            move_ids = self.order_line.move_dest_ids.filtered(lambda move: move.state != 'done' and not move.scrapped)
+            created_purchase_request_line_ids = {move.id: move.created_purchase_request_line_id for move in move_ids}
+            self.order_line.write({'move_dest_ids': [(5, 0, 0)]})
         res =super(PurchaseOrder, self).button_cancel()
-        if move_ids.mapped('created_purchase_request_line_id'):
+        for move_id, created_purchase_request_line_id in created_purchase_request_line_ids.items():
-            move_ids.write({'state': 'waiting', 'is_done': False})
+            self.env['stock.move'].browse(move_id).created_purchase_request_line_id = created_purchase_request_line_id
+        # if move_ids.mapped('created_purchase_request_line_id'):
+        #     move_ids.write({'state': 'waiting', 'is_done': False})
         return res
 
     def write(self, vals):