Show Usage info link on delete form for Documents and Snippets

wagtail/wagtaildocs/templates/wagtaildocs/documents/confirm_delete.html

@@ -1,11 +1,19 @@
 {% extends "wagtailadmin/base.html" %}
-{% load i18n %}
+{% load wagtailadmin_tags i18n %}
 {% block titletag %}{% blocktrans with title=document.title %}Delete {{ title }}{% endblocktrans %}{% endblock %}
 {% block content %}
     {% trans "Delete document" as del_str %}
     {% include "wagtailadmin/shared/header.html" with title=del_str subtitle=document.title icon="doc-full-inverse" %}
 
     <div class="nice-padding">
+
+        {% usage_count_enabled as uc_enabled %}
+        {% if uc_enabled %}
+            <div class="usagecount">
+                <a href="{{ document.usage_url }}">{% blocktrans count usage_count=document.get_usage.count %}Used {{ usage_count }} time{% plural %}Used {{ usage_count }} times{% endblocktrans %}</a>
+            </div>
+        {% endif %}
+
         <p>{% trans "Are you sure you want to delete this document?" %}</p>
         <form action="{% url 'wagtaildocs:delete' document.id %}" method="POST">
             {% csrf_token %}

wagtail/wagtaildocs/tests/test_admin_views.py

@@ -296,6 +296,13 @@ class TestDocumentDeleteView(TestCase, WagtailTestUtils):
         # Document should be deleted
         self.assertFalse(models.Document.objects.filter(id=self.document.id).exists())
 
+    @override_settings(WAGTAIL_USAGE_COUNT_ENABLED=True)
+    def test_usage_link(self):
+        response = self.client.get(reverse('wagtaildocs:delete', args=(self.document.id,)))
+        self.assertEqual(response.status_code, 200)
+        self.assertTemplateUsed(response, 'wagtaildocs/documents/confirm_delete.html')
+        self.assertIn('Used 0 times', str(response.content))
+
 
 class TestMultipleDocumentUploader(TestCase, WagtailTestUtils):
     """

wagtail/wagtailsnippets/templates/wagtailsnippets/snippets/confirm_delete.html

@@ -1,11 +1,18 @@
 {% extends "wagtailadmin/base.html" %}
-{% load i18n %}
+{% load wagtailadmin_tags i18n %}
 {% block titletag %}{% blocktrans with snippet_type_name=model_opts.verbose_name %}Delete {{ snippet_type_name }} - {{ instance }}{% endblocktrans %}{% endblock %}
 {% block content %}
     {% trans "Delete" as delete_str %}
     {% include "wagtailadmin/shared/header.html" with title=delete_str subtitle=instance icon="snippet" %}
 
     <div class="nice-padding">
+        {% usage_count_enabled as uc_enabled %}
+        {% if uc_enabled %}
+            <div class="usagecount">
+                <a href="{{ instance.usage_url }}">{% blocktrans count usage_count=instance.get_usage.count %}Used {{ usage_count }} time{% plural %}Used {{ usage_count }} times{% endblocktrans %}</a>
+            </div>
+        {% endif %}
+
         <p>{% blocktrans with snippet_type_name=model_opts.verbose_name %}Are you sure you want to delete this {{ snippet_type_name }}?{% endblocktrans %}</p>
         <form action="{% url 'wagtailsnippets:delete' model_opts.app_label model_opts.model_name instance.id %}" method="POST">
             {% csrf_token %}

wagtail/wagtailsnippets/tests.py

@@ -352,6 +352,13 @@ class TestSnippetDelete(TestCase, WagtailTestUtils):
         # Check that the page is gone
         self.assertEqual(Advert.objects.filter(text='test_advert').count(), 0)
 
+    @override_settings(WAGTAIL_USAGE_COUNT_ENABLED=True)
+    def test_usage_link(self):
+        response = self.client.get(reverse('wagtailsnippets:delete', args=('tests', 'advert', self.test_snippet.id, )))
+        self.assertEqual(response.status_code, 200)
+        self.assertTemplateUsed(response, 'wagtailsnippets/snippets/confirm_delete.html')
+        self.assertIn('Used 2 times', str(response.content))
+
 
 class TestSnippetChooserPanel(TestCase, WagtailTestUtils):
     fixtures = ['test.json']