admin: add flows

passbook/flows/api.py

@@ -11,14 +11,7 @@ class FlowSerializer(ModelSerializer):
     class Meta:
 
         model = Flow
-        fields = [
-            "pk",
-            "name",
-            "slug",
-            "designation",
-            "factors",
-            "policies"
-        ]
+        fields = ["pk", "name", "slug", "designation", "factors", "policies"]
 
 
 class FlowViewSet(ModelViewSet):
@@ -34,14 +27,7 @@ class FlowFactorBindingSerializer(ModelSerializer):
     class Meta:
 
         model = FlowFactorBinding
-        fields = [
-            "pk",
-            "flow",
-            "factor",
-            "re_evaluate_policies",
-            "order",
-            "policies"
-        ]
+        fields = ["pk", "flow", "factor", "re_evaluate_policies", "order", "policies"]
 
 
 class FlowFactorBindingViewSet(ModelViewSet):

passbook/flows/migrations/0005_auto_20200508_1642.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.0.3 on 2020-05-08 16:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("passbook_core", "0011_auto_20200222_1822"),
+        ("passbook_flows", "0004_default_flows"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="flow",
+            name="factors",
+            field=models.ManyToManyField(
+                blank=True,
+                through="passbook_flows.FlowFactorBinding",
+                to="passbook_core.Factor",
+            ),
+        ),
+    ]

passbook/flows/models.py

@@ -36,7 +36,7 @@ class Flow(PolicyBindingModel, UUIDModel):
 
     designation = models.CharField(max_length=100, choices=FlowDesignation.as_choices())
 
-    factors = models.ManyToManyField(Factor, through="FlowFactorBinding")
+    factors = models.ManyToManyField(Factor, through="FlowFactorBinding", blank=True)
 
     pbm = models.OneToOneField(
         PolicyBindingModel, parent_link=True, on_delete=models.CASCADE, related_name="+"