custom-views: remove digest on deletion (#73775)

tests/backoffice_pages/test_custom_view.py

@@ -455,7 +455,7 @@ def test_backoffice_custom_view_status_filter(pub):
 
 
 def test_backoffice_custom_view_delete(pub):
-    create_superuser(pub)
+    user = create_superuser(pub)
 
     FormDef.wipe()
     pub.custom_view_class.wipe()
@@ -481,6 +481,42 @@ def test_backoffice_custom_view_delete(pub):
     resp = resp.follow()
     assert 'custom test view' not in resp.text
 
+    CardDef.wipe()
+    carddef = CardDef()
+    carddef.name = 'foo'
+    carddef.fields = [
+        fields.StringField(id='1', label='Test', type='string', varname='foo'),
+    ]
+    carddef.backoffice_submission_roles = user.roles
+    carddef.workflow_roles = {'_editor': user.roles[0]}
+    carddef.digest_templates = {
+        'default': 'plop',
+        'custom-view:custom-test-view': 'FOO {{ form_var_foo }}',
+        'custom-view:another-view': '{{ form_var_foo }}',
+    }
+    carddef.store()
+
+    custom_view = pub.custom_view_class()
+    custom_view.title = 'custom test view'
+    custom_view.formdef = carddef
+    custom_view.visibility = 'datasource'
+    custom_view.columns = {'list': [{'id': 'id'}]}
+    custom_view.filters = {}
+    custom_view.store()
+
+    resp = app.get('/backoffice/data/foo/custom-test-view/')
+    resp = resp.click('Delete')
+    resp = resp.form.submit()
+    assert resp.location.endswith('/data/foo/')
+    resp = resp.follow()
+    assert 'custom test view' not in resp.text
+
+    carddef.refresh_from_storage()
+    assert carddef.digest_templates == {
+        'default': 'plop',
+        'custom-view:another-view': '{{ form_var_foo }}',
+    }
+
 
 def test_backoffice_custom_map_view(pub):
     user = create_superuser(pub)

wcs/custom_views.py

@@ -65,6 +65,18 @@ class CustomView(StorableObject):
         self.formdef_id = str(value.id)
         self.formdef_type = value.xml_root_node
 
+    def remove_self(self):
+        try:
+            formdef = self.formdef
+        except KeyError:
+            pass
+        else:
+            view_digest_key = 'custom-view:%s' % self.get_url_slug()
+            if view_digest_key in (formdef.digest_templates or {}):
+                del formdef.digest_templates[view_digest_key]
+                formdef.store()
+        super().remove_self()
+
     def match(self, user, formdef):
         if self.formdef_type != formdef.xml_root_node:
             return False