tests/admin_pages/test_card.py

@@ -955,3 +955,32 @@ def test_card_edit_field_warnings(pub):
     assert 'first field should be of type "page"' in resp.text
     assert '<div id="new-field"><h3>New Field</h3>' not in resp.text
     assert '>Duplicate<' not in resp.text
+
+
+def test_card_edit_field_infonotices(pub):
+    create_superuser(pub)
+
+    CardDef.wipe()
+    carddef = CardDef()
+    carddef.name = 'card title'
+    carddef.fields = []
+    carddef.store()
+
+    app = login(get_app(pub))
+    resp = app.get('/backoffice/cards/%s/fields/' % carddef.id)
+    assert 'This card model currently has no field configured for listings.' not in resp.text
+
+    carddef.fields = [fields.StringField(id='0', label='field')]
+    carddef.store()
+    resp = app.get('/backoffice/cards/%s/fields/' % carddef.id)
+    assert 'This card model currently has no field configured for listings.' in resp.text
+
+    carddef.fields = [fields.StringField(id='1', label='field', display_locations=['listings'])]
+    carddef.store()
+    resp = app.get('/backoffice/cards/%s/fields/' % carddef.id)
+    assert 'This card model currently has no field configured for listings.' not in resp.text
+
+    carddef.fields = [fields.PageField(id='2', label='field')]
+    carddef.store()
+    resp = app.get('/backoffice/cards/%s/fields/' % carddef.id)
+    assert 'This card model currently has no field configured for listings.' not in resp.text

wcs/backoffice/cards.py

@@ -58,6 +58,21 @@ class CardFieldsDirectory(FormFieldsDirectory):
     field_over_count_message = _('This card model contains more than %d fields.')
     readonly_message = _('This card model is readonly.')
 
+    def index_bottom(self):
+        if self.objectdef.is_readonly():
+            return
+        if any(
+            'display_locations' in x.get_admin_attributes() for x in self.objectdef.fields or []
+        ) and not any(x.include_in_listing for x in self.objectdef.fields):
+            r = TemplateIO(html=True)
+            r += htmltext('<div class="pk-information">')
+            r += htmltext('<p>%s</p>') % _('This card model currently has no field configured for listings.')
+            r += htmltext('<p>%s</p>') % _(
+                'You should configure at least one to have some content displayed.'
+            )
+            r += htmltext('</div>')
+            return r.getvalue()
+
 
 class CardDefPage(FormDefPage):
     formdef_class = CardDef