Make history form fields readonly if SIMPLE_HISTORY_EDIT is not set or set to False (#641)

Co-authored-by: Ross Mechanic <ross.mechanic@icloud.com>

Author: partizaans

AUTHORS.rst

@@ -82,6 +82,7 @@ Authors
 - Prakash Venkatraman (`dopatraman <https://github.com/dopatraman>`_)
 - Rajesh Pappula
 - Ray Logel
+- Reza Pourmeshki (`partizaans <https://github.com/partizaans>`_)
 - Roberto Aguilar
 - Rod Xavier Bondoc
 - Ross Lote

CHANGES.rst

@@ -9,6 +9,8 @@ Unreleased
 - import model `ContentType` in `SimpleHistoryAdmin` using `django_apps.get_model`
   to avoid possible `AppRegistryNotReady` exception (gh-630)
 - Fix `utils.update_change_reason` when user specifies excluded_fields
+- Render fields as readonly in history detail view if `SIMPLE_HISTORY_EDIT` is not set
+  `True`
 - settings.SIMPLE_HISTORY_REVERT_DISABLED if True removes the Revert
   button from the history form for all historical models (gh-632))
 

simple_history/admin.py

@@ -175,7 +175,9 @@ def history_form_view(self, request, object_id, version_id, extra_context=None):
             form,
             self.get_fieldsets(request, obj),
             self.prepopulated_fields,
-            self.get_readonly_fields(request, obj),
+            self.get_readonly_fields(request, obj)
+            if change_history
+            else self.get_fields(request, obj),
             model_admin=self,
         )
 

simple_history/tests/tests/test_admin.py

@@ -154,7 +154,8 @@ def test_history_form_permission(self):
     def test_invalid_history_form(self):
         self.login()
         poll = Poll.objects.create(question="why?", pub_date=today)
-        response = self.client.post(get_history_url(poll, 0), data={"question": ""})
+        with patch("simple_history.admin.SIMPLE_HISTORY_EDIT", True):
+            response = self.client.post(get_history_url(poll, 0), data={"question": ""})
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, "This field is required")
 
@@ -200,6 +201,25 @@ def test_history_form(self):
             [p.history_user for p in Poll.history.all()], [self.user, None, None]
         )
 
+    def test_readonly_history_form_without_setting_simple_history_edit(self):
+        self.login()
+        poll = Poll.objects.create(question="why?", pub_date=today)
+        poll.question = "how?"
+        poll.save()
+        response = self.client.get(get_history_url(poll, 0))
+        readonly_fields = response.context["adminform"].readonly_fields
+        self.assertCountEqual(["question", "pub_date"], readonly_fields)
+
+    def test_readonly_history_form_with_enabled_simple_history_edit(self):
+        self.login()
+        poll = Poll.objects.create(question="why?", pub_date=today)
+        poll.question = "how?"
+        poll.save()
+        with patch("simple_history.admin.SIMPLE_HISTORY_EDIT", True):
+            response = self.client.get(get_history_url(poll, 0))
+        readonly_fields = response.context["adminform"].readonly_fields
+        self.assertEqual(0, len(readonly_fields))
+
     def test_history_user_on_save_in_admin(self):
         self.login()