fix: batchlog创建时避免回环

apps/wpm/models.py

@@ -621,18 +621,20 @@ class BatchSt(BaseModel):
         unique_together = [("batch", "version")]
 
     @classmethod
-    def g_create(cls, batch:str, mio=None, handover=None, mlog=None, material_start=None, reuse_node=False):
+    def g_create(cls, batch:str, mio=None, handover=None, mlog=None, material_start=None, reuse_node=False, exclude_batchst_ids=[]):
         """
         创建新的批次
         """
         if mio is None and handover is None and mlog is None:
             try:
-                node = cls.objects.get(batch=batch)
+                node = cls.objects.exclude(id__in=exclude_batchst_ids).get(batch=batch)
             except cls.DoesNotExist:
                 return cls.objects.create(batch=batch), True
             except cls.MultipleObjectsReturned:
                 # 兼容性处理
-                node = cls.objects.filter(batch=batch).order_by('-version').first()
+                node = cls.objects.filter(batch=batch).exclude(id__in=exclude_batchst_ids).order_by('-version').first()
+                if node is None:
+                    raise ParseError(f"{node.batch}-该批次号本次操作不可引用")
             return node, False
         else:
             version = 1

apps/wpm/services.py

@@ -175,14 +175,17 @@ def mlog_submit(mlog: Mlog, user: User, now: Union[datetime.datetime, None]):
         can_matoutIds = process.get_canout_mat_ids()
     # 建立关系链
     m_outs = Mlogb.objects.filter(mlog=mlog, material_out__isnull=False)
+    exclude_batchst_ids = []
     for item in m_outs:
         if item.mlogb_from and item.batch != item.mlogb_from.batch:
-            source, _ = BatchSt.g_create(batch=item.mlogb_from.batch)
+            source, _ = BatchSt.g_create(batch=item.mlogb_from.batch, exclude_batchst_ids=exclude_batchst_ids)
             target, _ = BatchSt.g_create(batch=item.batch, mlog=mlog, material_start=item.material_out)
+            exclude_batchst_ids.append(target.id)
             BatchLog.g_create(source= source, target=target, mlog=mlog)
         if item.mlogbw_from and item.batch != item.mlogbw_from.mlogb.batch:
-            source, _ = BatchSt.g_create(batch=item.mlogbw_from.mlogb.batch)
+            source, _ = BatchSt.g_create(batch=item.mlogbw_from.mlogb.batch, exclude_batchst_ids=exclude_batchst_ids)
             target, _ = BatchSt.g_create(batch=item.batch, mlog=mlog, material_start=item.material_out)
+            exclude_batchst_ids.append(target.id)
             BatchLog.g_create(source=source, target=target, mlog=mlog)
 
     if material_in or is_fix:  # 需要进行车间库存管理
@@ -746,6 +749,7 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
             raise ParseError("合并批次时请提供新批次号")
 
     new_target = None
+    exclude_batchst_ids = []
     mids = []
     for item in handoverb_list:
         wmId, xcount, handover_or_b = item
@@ -756,17 +760,19 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
 
         # 合并为新批
         if mtype == Handover.H_MERGE:
-            source, _ = BatchSt.g_create(batch=wm_from.batch)
+            source, _ = BatchSt.g_create(batch=wm_from.batch, exclude_batchst_ids=exclude_batchst_ids)
             batch = new_batch
             if new_target is None:
                 new_target, _ = BatchSt.g_create(batch=batch, handover=handover, material_start=material)
+                exclude_batchst_ids.append(new_target.id)
             BatchLog.g_create(source=source, target=new_target, handover=handover, relation_type="merge")
         elif mtype == Handover.H_DIV:
             if handover.wm is None:
                 raise ParseError('拆批请选择车间库存')
-            source, _ = BatchSt.g_create(batch=handover.wm.batch)
+            source, _ = BatchSt.g_create(batch=handover.wm.batch, exclude_batchst_ids=exclude_batchst_ids)
             batch = handover_or_b.batch
             target, _ = BatchSt.g_create(batch=batch, handover=handover, material_start=material)
+            exclude_batchst_ids.append(target.id)
             BatchLog.g_create(source=source, target=target, handover=handover, relation_type="split")
         else:
             batch = wm_from.batch