修复未保存需求计划删除明细行问题,打印列表显示

sf_demand_plan/models/sf_demand_plan.py

@@ -167,7 +167,9 @@ class SfDemandPlan(models.Model):
     def _compute_state(self):
         for line in self:
             status_line = line.line_ids.filtered(lambda p: p.status == '60')
-            if line.sale_order_id.state == 'cancel':
+            if not line.line_ids:
+                line.state = '10'
+            elif line.sale_order_id.state == 'cancel':
                 line.state = '50'
                 line.line_ids.status = '100'
             elif len(line.line_ids) == len(status_line):
@@ -184,6 +186,12 @@ class SfDemandPlan(models.Model):
                 lambda p: p.status in ('50', '60') and p.new_supply_method == 'custom_made')
             line.readonly_custom_made_type = bool(production_demand_plan)
 
+    @api.constrains('line_ids')
+    def check_line_ids(self):
+        for item in self:
+            if not item.line_ids:
+                raise ValidationError('计划不能为空！')
+
     def write(self, vals):
         res = super(SfDemandPlan, self).write(vals)
         if 'line_ids' in vals: