flows: FlowStageBinding: rename .flow to .target to fix select_subclasses()

e2e/test_flows_enroll.py

@@ -105,10 +105,10 @@ class TestFlowsEnroll(SeleniumTestCase):
         ident_stage.enrollment_flow = flow
         ident_stage.save()
 
-        FlowStageBinding.objects.create(flow=flow, stage=first_stage, order=0)
+        FlowStageBinding.objects.create(target=flow, stage=first_stage, order=0)
-        FlowStageBinding.objects.create(flow=flow, stage=second_stage, order=1)
+        FlowStageBinding.objects.create(target=flow, stage=second_stage, order=1)
-        FlowStageBinding.objects.create(flow=flow, stage=user_write, order=2)
+        FlowStageBinding.objects.create(target=flow, stage=user_write, order=2)
-        FlowStageBinding.objects.create(flow=flow, stage=user_login, order=3)
+        FlowStageBinding.objects.create(target=flow, stage=user_login, order=3)
 
         self.driver.get(self.live_server_url)
         self.wait.until(
@@ -206,11 +206,11 @@ class TestFlowsEnroll(SeleniumTestCase):
         ident_stage.enrollment_flow = flow
         ident_stage.save()
 
-        FlowStageBinding.objects.create(flow=flow, stage=first_stage, order=0)
+        FlowStageBinding.objects.create(target=flow, stage=first_stage, order=0)
-        FlowStageBinding.objects.create(flow=flow, stage=second_stage, order=1)
+        FlowStageBinding.objects.create(target=flow, stage=second_stage, order=1)
-        FlowStageBinding.objects.create(flow=flow, stage=user_write, order=2)
+        FlowStageBinding.objects.create(target=flow, stage=user_write, order=2)
-        FlowStageBinding.objects.create(flow=flow, stage=email_stage, order=3)
+        FlowStageBinding.objects.create(target=flow, stage=email_stage, order=3)
-        FlowStageBinding.objects.create(flow=flow, stage=user_login, order=4)
+        FlowStageBinding.objects.create(target=flow, stage=user_login, order=4)
 
         self.driver.get(self.live_server_url)
         self.driver.find_element(By.CSS_SELECTOR, "[role=enroll]").click()

passbook/admin/templates/administration/stage_binding/list.html

@@ -35,7 +35,7 @@
                 </tr>
             </thead>
             <tbody role="rowgroup">
-                {% regroup object_list by flow as grouped_bindings %}
+                {% regroup object_list by target as grouped_bindings %}
                 {% for flow in grouped_bindings %}
                     <tr role="role">
                         <td>
@@ -56,9 +56,9 @@
                         </td>
                         <th role="columnheader">
                             <div>
-                                <div>{{ binding.flow.slug }}</div>
+                                <div>{{ binding.target.slug }}</div>
                                 <small>
-                                    {{ binding.flow.name }}
+                                    {{ binding.target.name }}
                                 </small>
                             </div>
                         </th>

passbook/admin/views/stages_bindings.py

@@ -21,7 +21,7 @@ class StageBindingListView(LoginRequiredMixin, PermissionListMixin, ListView):
     model = FlowStageBinding
     permission_required = "passbook_flows.view_flowstagebinding"
     paginate_by = 10
-    ordering = ["flow", "order"]
+    ordering = ["target", "order"]
     template_name = "administration/stage_binding/list.html"
 
 

passbook/flows/api.py

@@ -27,7 +27,7 @@ class FlowStageBindingSerializer(ModelSerializer):
     class Meta:
 
         model = FlowStageBinding
-        fields = ["pk", "flow", "stage", "re_evaluate_policies", "order", "policies"]
+        fields = ["pk", "target", "stage", "re_evaluate_policies", "order", "policies"]
 
 
 class FlowStageBindingViewSet(ModelViewSet):

passbook/flows/forms.py

@@ -39,7 +39,7 @@ class FlowStageBindingForm(forms.ModelForm):
 
         model = FlowStageBinding
         fields = [
-            "flow",
+            "target",
             "stage",
             "re_evaluate_policies",
             "order",

passbook/flows/migrations/0003_auto_20200523_1133.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0002_default_flows"),
+        ("passbook_flows", "0001_initial"),
     ]
 
     operations = [

passbook/flows/migrations/0006_auto_20200629_0857.py

@@ -6,7 +6,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0005_provider_flows"),
+        ("passbook_flows", "0003_auto_20200523_1133"),
     ]
 
     operations = [

passbook/flows/migrations/0007_auto_20200703_2059.py

@@ -0,0 +1,42 @@
+# Generated by Django 3.0.7 on 2020-07-03 20:59
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("passbook_policies", "0002_auto_20200528_1647"),
+        ("passbook_flows", "0006_auto_20200629_0857"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="flowstagebinding",
+            options={
+                "ordering": ["order", "target"],
+                "verbose_name": "Flow Stage Binding",
+                "verbose_name_plural": "Flow Stage Bindings",
+            },
+        ),
+        migrations.RenameField(
+            model_name="flowstagebinding", old_name="flow", new_name="target",
+        ),
+        migrations.RenameField(
+            model_name="flow", old_name="pbm", new_name="policybindingmodel_ptr",
+        ),
+        migrations.AlterUniqueTogether(
+            name="flowstagebinding", unique_together={("target", "stage", "order")},
+        ),
+        migrations.AlterField(
+            model_name="flow",
+            name="policybindingmodel_ptr",
+            field=models.OneToOneField(
+                auto_created=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                parent_link=True,
+                to="passbook_policies.PolicyBindingModel",
+            ),
+        ),
+    ]

passbook/flows/migrations/0008_default_flows.py

@@ -45,13 +45,13 @@ def create_default_authentication_flow(
         defaults={"name": "Welcome to passbook!",},
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=identification_stage, defaults={"order": 0,},
+        target=flow, stage=identification_stage, defaults={"order": 0,},
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=password_stage, defaults={"order": 1,},
+        target=flow, stage=password_stage, defaults={"order": 1,},
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=login_stage, defaults={"order": 2,},
+        target=flow, stage=login_stage, defaults={"order": 2,},
     )
 
 
@@ -73,7 +73,7 @@ def create_default_invalidation_flow(
         defaults={"name": "Logout",},
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow,
+        target=flow,
         stage=UserLogoutStage.objects.using(db_alias).first(),
         defaults={"order": 0,},
     )
@@ -82,7 +82,7 @@ def create_default_invalidation_flow(
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0001_initial"),
+        ("passbook_flows", "0007_auto_20200703_2059"),
         ("passbook_stages_user_login", "0001_initial"),
         ("passbook_stages_user_logout", "0001_initial"),
         ("passbook_stages_password", "0001_initial"),

passbook/flows/migrations/0009_source_flows.py

@@ -80,17 +80,17 @@ def create_default_source_enrollment_flow(
     )
 
     binding, _ = FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=prompt_stage, defaults={"order": 0}
+        target=flow, stage=prompt_stage, defaults={"order": 0}
     )
     PolicyBinding.objects.using(db_alias).update_or_create(
         policy=prompt_policy, target=binding, defaults={"order": 0}
     )
 
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=user_write, defaults={"order": 1}
+        target=flow, stage=user_write, defaults={"order": 1}
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=user_login, defaults={"order": 2}
+        target=flow, stage=user_login, defaults={"order": 2}
     )
 
 
@@ -129,14 +129,14 @@ def create_default_source_authentication_flow(
         name="default-source-authentication-login"
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=user_login, defaults={"order": 0}
+        target=flow, stage=user_login, defaults={"order": 0}
     )
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0003_auto_20200523_1133"),
+        ("passbook_flows", "0008_default_flows"),
         ("passbook_policies", "0001_initial"),
         ("passbook_policies_expression", "0001_initial"),
         ("passbook_stages_prompt", "0001_initial"),

passbook/flows/migrations/0010_provider_flows.py

@@ -34,14 +34,14 @@ def create_default_provider_authorization_flow(
         name="default-provider-authorization-consent"
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=stage, defaults={"order": 0}
+        target=flow, stage=stage, defaults={"order": 0}
     )
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0004_source_flows"),
+        ("passbook_flows", "0009_source_flows"),
         ("passbook_stages_consent", "0001_initial"),
     ]
 

passbook/flows/models.py

@@ -79,10 +79,6 @@ class Flow(PolicyBindingModel):
 
     stages = models.ManyToManyField(Stage, through="FlowStageBinding", blank=True)
 
-    pbm = models.OneToOneField(
-        PolicyBindingModel, parent_link=True, on_delete=models.CASCADE, related_name="+"
-    )
-
     @staticmethod
     def with_policy(request: HttpRequest, **flow_filter) -> Optional["Flow"]:
         """Get a Flow by `**flow_filter` and check if the request from `request` can access it."""
@@ -123,7 +119,7 @@ class FlowStageBinding(PolicyBindingModel):
 
     fsb_uuid = models.UUIDField(primary_key=True, editable=False, default=uuid4)
 
-    flow = models.ForeignKey("Flow", on_delete=models.CASCADE)
+    target = models.ForeignKey("Flow", on_delete=models.CASCADE)
     stage = models.ForeignKey(Stage, on_delete=models.CASCADE)
 
     re_evaluate_policies = models.BooleanField(
@@ -138,12 +134,12 @@ class FlowStageBinding(PolicyBindingModel):
     objects = InheritanceManager()
 
     def __str__(self) -> str:
-        return f"Flow Stage Binding #{self.order} {self.flow} -> {self.stage}"
+        return f"Flow Binding {self.target} -> {self.stage}"
 
     class Meta:
 
-        ordering = ["order", "flow"]
+        ordering = ["order", "target"]
 
         verbose_name = _("Flow Stage Binding")
         verbose_name_plural = _("Flow Stage Bindings")
-        unique_together = (("flow", "stage", "order"),)
+        unique_together = (("target", "stage", "order"),)

passbook/flows/planner.py

@@ -146,7 +146,7 @@ class FlowPlanner:
             .select_related()
         ):
             binding: FlowStageBinding = stage.flowstagebinding_set.get(
-                flow__pk=self.flow.pk
+                target__pk=self.flow.pk
             )
             engine = PolicyEngine(binding, user, request)
             engine.request.context = plan.context

passbook/flows/signals.py

@@ -25,13 +25,13 @@ def invalidate_flow_cache(sender, instance, **_):
         total = delete_cache_prefix(f"{cache_key(instance)}*")
         LOGGER.debug("Invalidating Flow cache", flow=instance, len=total)
     if isinstance(instance, FlowStageBinding):
-        total = delete_cache_prefix(f"{cache_key(instance.flow)}*")
+        total = delete_cache_prefix(f"{cache_key(instance.target)}*")
         LOGGER.debug(
             "Invalidating Flow cache from FlowStageBinding", binding=instance, len=total
         )
     if isinstance(instance, Stage):
         total = 0
         for binding in FlowStageBinding.objects.filter(stage=instance):
-            prefix = cache_key(binding.flow)
+            prefix = cache_key(binding.target)
             total += delete_cache_prefix(f"{prefix}*")
         LOGGER.debug("Invalidating Flow cache from Stage", stage=instance, len=total)

passbook/flows/tests/test_planner.py

@@ -73,7 +73,7 @@ class TestFlowPlanner(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy"), order=0
         )
         request = self.request_factory.get(
             reverse("passbook_flows:flow-executor", kwargs={"flow_slug": flow.slug}),
@@ -97,7 +97,7 @@ class TestFlowPlanner(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy"), order=0
         )
 
         user = User.objects.create(username="test-user")
@@ -119,7 +119,7 @@ class TestFlowPlanner(TestCase):
         )
 
         FlowStageBinding.objects.create(
-            flow=flow,
+            target=flow,
             stage=DummyStage.objects.create(name="dummy1"),
             order=0,
             re_evaluate_policies=True,
@@ -145,10 +145,10 @@ class TestFlowPlanner(TestCase):
         false_policy = DummyPolicy.objects.create(result=False, wait_min=1, wait_max=2)
 
         binding = FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
         )
         binding2 = FlowStageBinding.objects.create(
-            flow=flow,
+            target=flow,
             stage=DummyStage.objects.create(name="dummy2"),
             order=1,
             re_evaluate_policies=True,

passbook/flows/tests/test_views.py

@@ -107,10 +107,10 @@ class TestFlowExecutor(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
         )
         FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy2"), order=1
+            target=flow, stage=DummyStage.objects.create(name="dummy2"), order=1
         )
 
         exec_url = reverse(
@@ -143,10 +143,10 @@ class TestFlowExecutor(TestCase):
         false_policy = DummyPolicy.objects.create(result=False, wait_min=1, wait_max=2)
 
         binding = FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
         )
         binding2 = FlowStageBinding.objects.create(
-            flow=flow,
+            target=flow,
             stage=DummyStage.objects.create(name="dummy2"),
             order=1,
             re_evaluate_policies=True,
@@ -194,16 +194,16 @@ class TestFlowExecutor(TestCase):
         false_policy = DummyPolicy.objects.create(result=False, wait_min=1, wait_max=2)
 
         binding = FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
         )
         binding2 = FlowStageBinding.objects.create(
-            flow=flow,
+            target=flow,
             stage=DummyStage.objects.create(name="dummy2"),
             order=1,
             re_evaluate_policies=True,
         )
         binding3 = FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy3"), order=2
+            target=flow, stage=DummyStage.objects.create(name="dummy3"), order=2
         )
 
         PolicyBinding.objects.create(policy=false_policy, target=binding2, order=0)
@@ -261,22 +261,22 @@ class TestFlowExecutor(TestCase):
         false_policy = DummyPolicy.objects.create(result=False, wait_min=1, wait_max=2)
 
         binding = FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
+            target=flow, stage=DummyStage.objects.create(name="dummy1"), order=0
         )
         binding2 = FlowStageBinding.objects.create(
-            flow=flow,
+            target=flow,
             stage=DummyStage.objects.create(name="dummy2"),
             order=1,
             re_evaluate_policies=True,
         )
         binding3 = FlowStageBinding.objects.create(
-            flow=flow,
+            target=flow,
             stage=DummyStage.objects.create(name="dummy3"),
             order=2,
             re_evaluate_policies=True,
         )
         binding4 = FlowStageBinding.objects.create(
-            flow=flow, stage=DummyStage.objects.create(name="dummy4"), order=2
+            target=flow, stage=DummyStage.objects.create(name="dummy4"), order=2
         )
 
         PolicyBinding.objects.create(policy=false_policy, target=binding2, order=0)

passbook/stages/captcha/tests.py

@@ -32,7 +32,7 @@ class TestCaptchaStage(TestCase):
             public_key=settings.RECAPTCHA_PUBLIC_KEY,
             private_key=settings.RECAPTCHA_PRIVATE_KEY,
         )
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_valid(self):
         """Test valid captcha"""

passbook/stages/consent/migrations/0001_initial.py

@@ -9,7 +9,7 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ("passbook_flows", "0004_source_flows"),
+        ("passbook_flows", "0007_auto_20200703_2059"),
     ]
 
     operations = [

passbook/stages/consent/tests.py

@@ -27,7 +27,7 @@ class TestConsentStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = ConsentStage.objects.create(name="consent",)
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_valid(self):
         """Test valid consent"""

passbook/stages/dummy/tests.py

@@ -24,7 +24,7 @@ class TestDummyStage(TestCase):
         )
         self.stage = DummyStage.objects.create(name="dummy",)
         FlowStageBinding.objects.create(
-            flow=self.flow, stage=self.stage, order=0,
+            target=self.flow, stage=self.stage, order=0,
         )
 
     def test_valid_render(self):

passbook/stages/email/tests.py

@@ -31,7 +31,7 @@ class TestEmailStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = EmailStage.objects.create(name="email",)
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_rendering(self):
         """Test with pending user"""

passbook/stages/identification/migrations/0002_auto_20200530_2204.py

@@ -7,7 +7,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0002_default_flows"),
+        ("passbook_flows", "0003_auto_20200523_1133"),
         ("passbook_stages_identification", "0001_initial"),
     ]
 

passbook/stages/identification/migrations/0003_auto_20200615_1641.py

@@ -7,7 +7,7 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("passbook_flows", "0005_provider_flows"),
+        ("passbook_flows", "0007_auto_20200703_2059"),
         ("passbook_stages_identification", "0002_auto_20200530_2204"),
     ]
 

passbook/stages/identification/tests.py

@@ -32,7 +32,7 @@ class TestIdentificationStage(TestCase):
             template=Templates.DEFAULT_LOGIN,
         )
         FlowStageBinding.objects.create(
-            flow=self.flow, stage=self.stage, order=0,
+            target=self.flow, stage=self.stage, order=0,
         )
 
         # OAuthSource for the login view
@@ -92,7 +92,7 @@ class TestIdentificationStage(TestCase):
         self.stage.enrollment_flow = flow
         self.stage.save()
         FlowStageBinding.objects.create(
-            flow=flow, stage=self.stage, order=0,
+            target=flow, stage=self.stage, order=0,
         )
 
         response = self.client.get(
@@ -113,7 +113,7 @@ class TestIdentificationStage(TestCase):
         self.stage.recovery_flow = flow
         self.stage.save()
         FlowStageBinding.objects.create(
-            flow=flow, stage=self.stage, order=0,
+            target=flow, stage=self.stage, order=0,
         )
 
         response = self.client.get(

passbook/stages/invitation/tests.py

@@ -31,7 +31,7 @@ class TestUserLoginStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = InvitationStage.objects.create(name="invitation")
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_form(self):
         """Test Form"""

passbook/stages/otp_time/migrations/0001_initial.py

@@ -9,7 +9,7 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ("passbook_flows", "0005_provider_flows"),
+        ("passbook_flows", "0007_auto_20200703_2059"),
     ]
 
     operations = [

passbook/stages/otp_validate/migrations/0001_initial.py

@@ -9,7 +9,7 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ("passbook_flows", "0005_provider_flows"),
+        ("passbook_flows", "0007_auto_20200703_2059"),
     ]
 
     operations = [

passbook/stages/password/migrations/0002_passwordstage_change_flow.py

@@ -75,10 +75,10 @@ def create_default_password_change(apps: Apps, schema_editor: BaseDatabaseSchema
     )
 
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=prompt_stage, defaults={"order": 0}
+        target=flow, stage=prompt_stage, defaults={"order": 0}
     )
     FlowStageBinding.objects.using(db_alias).update_or_create(
-        flow=flow, stage=user_write, defaults={"order": 1}
+        target=flow, stage=user_write, defaults={"order": 1}
     )
 
 

passbook/stages/password/tests.py

@@ -40,7 +40,7 @@ class TestPasswordStage(TestCase):
         self.stage = PasswordStage.objects.create(
             name="password", backends=["django.contrib.auth.backends.ModelBackend"]
         )
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_without_user(self):
         """Test without user"""

passbook/stages/prompt/tests.py

@@ -93,7 +93,7 @@ class TestPromptStage(TestCase):
             hidden_prompt.field_key: hidden_prompt.placeholder,
         }
 
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_render(self):
         """Test render of form, check if all prompts are rendered correctly"""

passbook/stages/user_delete/tests.py

@@ -26,7 +26,7 @@ class TestUserDeleteStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = UserDeleteStage.objects.create(name="delete")
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_no_user(self):
         """Test without user set"""

passbook/stages/user_login/tests.py

@@ -27,7 +27,7 @@ class TestUserLoginStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = UserLoginStage.objects.create(name="login")
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_valid_password(self):
         """Test with a valid pending user and backend"""

passbook/stages/user_logout/tests.py

@@ -27,7 +27,7 @@ class TestUserLogoutStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = UserLogoutStage.objects.create(name="logout")
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_valid_password(self):
         """Test with a valid pending user and backend"""

passbook/stages/user_write/tests.py

@@ -29,7 +29,7 @@ class TestUserWriteStage(TestCase):
             designation=FlowDesignation.AUTHENTICATION,
         )
         self.stage = UserWriteStage.objects.create(name="write")
-        FlowStageBinding.objects.create(flow=self.flow, stage=self.stage, order=2)
+        FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
 
     def test_user_create(self):
         """Test creation of user"""

swagger.yaml

@@ -502,7 +502,7 @@ paths:
           description: ''
           required: false
           type: string
-        - name: flow
+        - name: target
           in: query
           description: ''
           required: false
@@ -5617,7 +5617,7 @@ definitions:
         maxLength: 254
   FlowStageBinding:
     required:
-      - flow
+      - target
       - stage
       - order
     type: object
@@ -5627,8 +5627,8 @@ definitions:
         type: string
         format: uuid
         readOnly: true
-      flow:
+      target:
-        title: Flow
+        title: Target
         type: string
         format: uuid
       stage: