From e145e209659b87b46c971f4859a790d9e2a9a028 Mon Sep 17 00:00:00 2001
From: Kegan Maher <kegan@compiler.la>
Date: Thu, 28 Mar 2024 23:12:56 +0000
Subject: [PATCH] feat(enrollment): view handler for re-enrollment error

---
 benefits/enrollment/urls.py           |  1 +
 benefits/enrollment/views.py          | 28 +++++++++++++----
 tests/pytest/conftest.py              |  1 +
 tests/pytest/enrollment/test_views.py | 43 +++++++++++++++++++++++----
 4 files changed, 61 insertions(+), 12 deletions(-)

diff --git a/benefits/enrollment/urls.py b/benefits/enrollment/urls.py
index 22398bc988..f74eb2452f 100644
--- a/benefits/enrollment/urls.py
+++ b/benefits/enrollment/urls.py
@@ -12,6 +12,7 @@
     # /enrollment
     path("", views.index, name="index"),
     path("token", views.token, name="token"),
+    path("reenrollment-error", views.reenrollment_error, name="reenrollment-error"),
     path("retry", views.retry, name="retry"),
     path("success", views.success, name="success"),
 ]
diff --git a/benefits/enrollment/views.py b/benefits/enrollment/views.py
index 9b3eaa76f8..b434c9cdc7 100644
--- a/benefits/enrollment/views.py
+++ b/benefits/enrollment/views.py
@@ -12,16 +12,13 @@
 from requests.exceptions import HTTPError
 
 from benefits.core import session
-from benefits.core.middleware import (
-    EligibleSessionRequired,
-    VerifierSessionRequired,
-    pageview_decorator,
-)
+from benefits.core.middleware import EligibleSessionRequired, VerifierSessionRequired, pageview_decorator
 from benefits.core.views import ROUTE_LOGGED_OUT
-from . import analytics, forms
 
+from . import analytics, forms
 
 ROUTE_INDEX = "enrollment:index"
+ROUTE_REENROLLMENT_ERROR = "enrollment:reenrollment-error"
 ROUTE_RETRY = "enrollment:retry"
 ROUTE_SUCCESS = "enrollment:success"
 ROUTE_TOKEN = "enrollment:token"
@@ -122,6 +119,25 @@ def index(request):
         return TemplateResponse(request, eligibility.enrollment_index_template, context)
 
 
+@decorator_from_middleware(EligibleSessionRequired)
+def reenrollment_error(request):
+    """View handler for a re-enrollment attempt that is not yet within the re-enrollment window."""
+    eligibility = session.eligibility(request)
+    verifier = session.verifier(request)
+
+    if eligibility.reenrollment_error_template is None:
+        raise Exception(f"Re-enrollment error with null template on: {eligibility.label}")
+
+    if session.logged_in(request) and verifier.auth_provider.supports_sign_out:
+        # overwrite origin for a logged in user
+        # if they click the logout button, they are taken to the new route
+        session.update(request, origin=reverse(ROUTE_LOGGED_OUT))
+
+    analytics.returned_error(request, "Re-enrollment error.")
+
+    return TemplateResponse(request, eligibility.reenrollment_error_template)
+
+
 @decorator_from_middleware(EligibleSessionRequired)
 def retry(request):
     """View handler for a recoverable failure condition."""
diff --git a/tests/pytest/conftest.py b/tests/pytest/conftest.py
index c10093d6df..2dfb4aa48a 100644
--- a/tests/pytest/conftest.py
+++ b/tests/pytest/conftest.py
@@ -139,6 +139,7 @@ def model_EligibilityType_supports_expiration(model_EligibilityType):
     model_EligibilityType.supports_expiration = True
     model_EligibilityType.expiration_days = 365
     model_EligibilityType.expiration_reenrollment_days = 14
+    model_EligibilityType.reenrollment_error_template = "enrollment/reenrollment-error--calfresh.html"
     model_EligibilityType.save()
 
     return model_EligibilityType
diff --git a/tests/pytest/enrollment/test_views.py b/tests/pytest/enrollment/test_views.py
index c2643262c9..187c4811d0 100644
--- a/tests/pytest/enrollment/test_views.py
+++ b/tests/pytest/enrollment/test_views.py
@@ -1,24 +1,23 @@
 import time
 
+import pytest
 from django.urls import reverse
-
 from littlepay.api.funding_sources import FundingSourceResponse
 from requests import HTTPError
-import pytest
 
+import benefits.enrollment.views
 from benefits.core.middleware import TEMPLATE_USER_ERROR
 from benefits.core.views import ROUTE_LOGGED_OUT
 from benefits.enrollment.views import (
     ROUTE_INDEX,
-    ROUTE_TOKEN,
-    ROUTE_SUCCESS,
+    ROUTE_REENROLLMENT_ERROR,
     ROUTE_RETRY,
+    ROUTE_SUCCESS,
+    ROUTE_TOKEN,
     TEMPLATE_SUCCESS,
     TEMPLATE_RETRY,
 )
 
-import benefits.enrollment.views
-
 
 @pytest.fixture
 def card_tokenize_form_data():
@@ -211,6 +210,38 @@ def test_index_ineligible(client):
     assert response.template_name == TEMPLATE_USER_ERROR
 
 
+@pytest.mark.django_db
+def test_reenrollment_error_ineligible(client):
+    path = reverse(ROUTE_REENROLLMENT_ERROR)
+
+    response = client.get(path)
+
+    assert response.status_code == 200
+    assert response.template_name == TEMPLATE_USER_ERROR
+
+
+@pytest.mark.django_db
+@pytest.mark.usefixtures("mocked_session_agency", "mocked_session_verifier", "mocked_session_eligibility")
+def test_reenrollment_error_eligibility_no_error_template(client):
+    path = reverse(ROUTE_REENROLLMENT_ERROR)
+
+    with pytest.raises(Exception, match="Re-enrollment error with null template"):
+        client.get(path)
+
+
+@pytest.mark.django_db
+@pytest.mark.usefixtures("mocked_session_agency", "mocked_session_verifier")
+def test_reenrollment_error(client, model_EligibilityType_supports_expiration, mocked_session_eligibility):
+    mocked_session_eligibility.return_value = model_EligibilityType_supports_expiration
+
+    path = reverse(ROUTE_REENROLLMENT_ERROR)
+
+    response = client.get(path)
+
+    assert response.status_code == 200
+    assert response.template_name == model_EligibilityType_supports_expiration.reenrollment_error_template
+
+
 @pytest.mark.django_db
 def test_retry_ineligible(client):
     path = reverse(ROUTE_RETRY)