feat: 库存减到0时删除该记录

apps/inm/services.py

@@ -56,6 +56,9 @@ class InmService:
                 mb.count = mb.count - i.count
                 if mb.count < 0:
                     raise ParseError('批次库存不足,操作失败')
+                elif mb.count == 0:
+                    mb.delete()
+                else:
                     mb.save()
             else:
                 raise ParseError('不支持的操作')

apps/wpm/services.py

@@ -167,6 +167,9 @@ def mlog_submit(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
                 f'{str(material_in)}-{mlog.batch}-该批次车间库存不足!')
         else:
             material_has.count = material_has.count - mlog.count_use
+            if material_has.count == 0:
+                material_has.delete()
+            else:
                 material_has.save()
     if material_out:  # 需要入车间库存
         # 有多个产物的情况
@@ -214,6 +217,9 @@ def mlog_revert(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
                 wmaterial.count = wmaterial.count - item.count_ok
                 if wmaterial.count < 0:
                     raise ParseError('车间库存不足, 产物无法回退')
+                elif wmaterial.count == 0:
+                    wmaterial.delete()
+                else:
                     wmaterial.save()
         else:
             wmaterial, _ = WMaterial.objects.get_or_create(batch=mlog.batch, material=material_out, belong_dept=belong_dept, defaults={
@@ -222,6 +228,9 @@ def mlog_revert(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
             wmaterial.count = wmaterial.count - mlog.count_ok
             if wmaterial.count < 0:
                 raise ParseError('车间库存不足, 产物无法回退')
+            elif wmaterial.count == 0:
+                wmaterial.delete()
+            else:
                 wmaterial.save()
     mlog.submit_time = None
     mlog.submit_user = None
@@ -262,6 +271,8 @@ def handover_submit(handover: Handover, user: User, now: Union[datetime.datetime
         count_x = wm.count - handover.count
         if count_x < 0:
             raise ParseError('车间库存不足!')
+        elif count_x == 0:
+            wm.delete()
         else:
             wm.count = count_x
             wm.save()