feat: 返回可用的批次号

apps/wpm/serializers.py

@@ -125,3 +125,7 @@ class MlogSerializer(CustomModelSerializer):
 class MlogRelatedSerializer(serializers.Serializer):
     mtask = serializers.PrimaryKeyRelatedField(
         label='小任务ID', queryset=Mtask.objects.all())
+
+
+class DeptBatchSerializer(serializers.Serializer):
+    belong_dept_name = serializers.CharField(label='车间名称')

apps/wpm/views.py

@@ -12,7 +12,7 @@ from apps.utils.mixins import BulkCreateModelMixin
 
 from .filters import SfLogExpFilter, SfLogFilter
 from .models import SfLog, SfLogExp, StLog, WMaterial, Mlog
-from .serializers import SflogExpSerializer, SfLogSerializer, StLogSerializer, WMaterialSerializer, MlogSerializer, MlogRelatedSerializer
+from .serializers import SflogExpSerializer, SfLogSerializer, StLogSerializer, WMaterialSerializer, MlogSerializer, MlogRelatedSerializer, DeptBatchSerializer
 
 # Create your views here.
 
@@ -97,6 +97,20 @@ class WMaterialViewSet(ListModelMixin, CustomGenericViewSet):
                      'material__number', 'material__specification']
     filterset_fields = ['material', 'belong_dept']
 
+    @action(methods=['post'], detail=False, perms_map={'post': '*'}, serializer_class=DeptBatchSerializer)
+    @transaction.atomic
+    def batchs(self, request):
+        """获取车间出现过的批次号
+
+        获取车间出现过的批次号
+        """
+        sr = DeptBatchSerializer(data=request.data)
+        sr.is_valid(raise_exception=True)
+        vdata = sr.validated_data
+        batchs = WMaterial.objects.filter(
+            belong_dept__name=vdata['belong_dept_name']).values_list('batch', flat=True).distinct()
+        return Response(list(batchs))
+
 
 class MlogViewSet(CustomModelViewSet):
     """