add: add stock movemend models, api, admins

core/apps/wherehouse/signals/stock_movemend.py

@@ -0,0 +1,11 @@
+from django.dispatch import receiver
+from django.db.models.signals import post_save
+
+from core.apps.wherehouse.models import StockMovemend
+
+@receiver(post_save, sender=StockMovemend)
+def set_stock_movemend_number(sender, instance, created, **kwargs):
+    if created:
+        last_party = StockMovemend.objects.order_by('number').last()
+        instance.number = (last_party.number + 1) if last_party else 1
+        instance.save(update_fields=["number"])