From 0920a9c248aab13a6cb2b15e0d846431ccc8c725 Mon Sep 17 00:00:00 2001
From: Stefan Wehrmeyer <mail@stefanwehrmeyer.com>
Date: Tue, 19 Nov 2024 13:58:02 +0100
Subject: [PATCH] Add admin actions to change form page in all models

---
 .../helper/templates/admin/change_form.html   | 17 ++++++++++++
 .../templatetags/admin_action_helper.py       | 26 +++++++++++++++++++
 froide/settings.py                            |  6 ++---
 3 files changed, 46 insertions(+), 3 deletions(-)
 create mode 100644 froide/helper/templates/admin/change_form.html
 create mode 100644 froide/helper/templatetags/admin_action_helper.py

diff --git a/froide/helper/templates/admin/change_form.html b/froide/helper/templates/admin/change_form.html
new file mode 100644
index 000000000..bef872f88
--- /dev/null
+++ b/froide/helper/templates/admin/change_form.html
@@ -0,0 +1,17 @@
+{% extends "admin/change_form.html" %}
+{% load i18n admin_urls admin_action_helper %}
+{% block object-tools %}
+    {{ block.super }}
+    {% if not add %}
+        {% render_admin_action_form adminform.model_admin original as action_form %}
+        {% if action_form %}
+            <form class="submit-row"
+                  action="{% url opts|admin_urlname:'changelist' %}"
+                  method="post">
+                {% csrf_token %}
+                {{ action_form }}
+                <input type="submit" value="{% translate "Go" %}">
+            </form>
+        {% endif %}
+    {% endif %}
+{% endblock object-tools %}
diff --git a/froide/helper/templatetags/admin_action_helper.py b/froide/helper/templatetags/admin_action_helper.py
new file mode 100644
index 000000000..f0c4813a7
--- /dev/null
+++ b/froide/helper/templatetags/admin_action_helper.py
@@ -0,0 +1,26 @@
+from django import forms, template
+from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
+
+register = template.Library()
+
+
+class ActionForm(forms.Form):
+    action = forms.ChoiceField()
+
+    def __init__(self, *args, **kwargs):
+        actions = kwargs.pop("actions")
+        obj_id = kwargs.pop("object_id")
+        super().__init__(*args, **kwargs)
+        self.fields["action"].choices = actions
+        self.fields[ACTION_CHECKBOX_NAME] = forms.CharField(widget=forms.HiddenInput)
+        self.fields[ACTION_CHECKBOX_NAME].initial = obj_id
+
+
+@register.simple_tag(takes_context=True)
+def render_admin_action_form(context, model_admin, obj):
+    request = context["request"]
+    choices = model_admin.get_action_choices(request)
+    if len(choices) < 3:  # ignore blank choice and default delete action
+        return
+    form = ActionForm(object_id=obj.id, actions=choices)
+    return form
diff --git a/froide/settings.py b/froide/settings.py
index cf9aafa7b..0f8c0e7c2 100644
--- a/froide/settings.py
+++ b/froide/settings.py
@@ -26,6 +26,9 @@ class Base(Configuration):
             "django.contrib.sites",
             "django.contrib.messages",
             "django.contrib.staticfiles",
+            # overwrite admin templates and
+            # management command in django_elasticsearch_dsl
+            "froide.helper",
             "django.contrib.admin",
             "django_comments",
             "django.contrib.flatpages",
@@ -33,9 +36,6 @@ class Base(Configuration):
             "django.contrib.humanize",
             "django.contrib.gis",
             "channels",
-            # overwrite management command in
-            # django_elasticsearch_dsl
-            "froide.helper",
             # external
             "django_elasticsearch_dsl",
             "taggit",