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backend/plugins/code_info/views/scan_data.py

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+from dvadmin.utils.field_permission import FieldPermissionMixin
+from dvadmin.utils.serializers import CustomModelSerializer
+from dvadmin.utils.validator import CustomValidationError
+from dvadmin.utils.viewset import CustomModelViewSet
+from plugins.code_info.models import ScanData
+
+
+class ScanDataSerializer(CustomModelSerializer):
+    """
+    扫码数据-序列化器
+    """
+
+    class Meta:
+        model = ScanData
+        fields = "__all__"
+        read_only_fields = ["id"]
+
+class CreateScanDataSerializer(CustomModelSerializer):
+    """
+    扫码数据-序列化器
+    """
+
+    def create(self, validated_data):
+        code = validated_data.get("code")
+        print(code)
+        code_list = code.split("/")
+        if len(code_list) == 5:
+            validated_data["product_code"] = code_list[0]
+            validated_data["supplier_code"] = code_list[1]
+            validated_data["production_batch"] = code_list[2]
+            validated_data["product_serial_number"] = code_list[3]
+            validated_data["version_number"] = code_list[4]
+            validated_data["shift"] = self.request.user.description
+        instance = super().create(validated_data)
+        # 1.格式错误
+        if len(code_list) != 5:
+            instance.status = 2
+            instance.save()
+            raise CustomValidationError("数据格式错误")
+        # 2.查询数据是否已存在数据库
+        print("ScanData.objects.filter(code=code, status=1)",ScanData.objects.filter(code=code, status=1))
+        if ScanData.objects.filter(code=code, status=1).exclude(id=instance.id).exists():
+            instance.status = 0
+            instance.save()
+            raise CustomValidationError("重复扫码")
+        return instance
+
+
+    class Meta:
+        model = ScanData
+        fields = "__all__"
+        read_only_fields = ["id"]
+
+
+class ScanDataViewSet(CustomModelViewSet, FieldPermissionMixin):
+    """
+    扫码数据接口
+    list:查询
+    create:新增
+    update:修改
+    retrieve:单例
+    destroy:删除
+    """
+    queryset = ScanData.objects.filter(status=1)
+    serializer_class = ScanDataSerializer
+    create_serializer_class = CreateScanDataSerializer
+    extra_filter_class = []