fix: make sure anonymous is owner at create

The tricky thing is that the Map.is_owner() method check for cookies
on the request, but at create this cookie is not set yet on the
request, so we have to deal with an exception here.

fix #2176

umap/static/umap/js/umap.js

@@ -1063,10 +1063,8 @@ U.Map = L.Map.extend({
       window.open(data.login_required)
       return
     }
-    if (data.user?.id) {
     this.options.user = data.user
     this.renderEditToolbar()
-    }
     if (!this.options.umap_id) {
       this.options.umap_id = data.id
       this.permissions.setOptions(data.permissions)

umap/tests/integration/test_anonymous_owned_map.py

@@ -156,6 +156,7 @@ def test_can_change_perms_after_create(tilelayer, live_server, page):
         ".datalayer-permissions select[name='edit_status'] option:checked"
     )
     expect(option).to_have_text("Inherit")
+    expect(page.get_by_label("Secret edit link:")).to_be_visible()
 
 
 def test_alert_message_after_create(

umap/tests/test_map_views.py

@@ -368,6 +368,7 @@ def test_anonymous_create(cookieclient, post_data):
     assert (
         created_map.get_anonymous_edit_url() in j["permissions"]["anonymous_edit_url"]
     )
+    assert j["user"]["is_owner"] is True
     assert created_map.name == name
     key, value = created_map.signed_cookie_elements
     assert key in cookieclient.cookies

umap/views.py

@@ -863,15 +863,17 @@ class MapCreate(FormLessEditMixin, PermissionsMixin, SessionMixin, CreateView):
             form.instance.owner = self.request.user
         self.object = form.save()
         permissions = self.get_permissions()
+        user_data = self.get_user_data()
         # User does not have the cookie yet.
         if not self.object.owner:
             anonymous_url = self.object.get_anonymous_edit_url()
             permissions["anonymous_edit_url"] = anonymous_url
+            user_data["is_owner"] = True
         response = simple_json_response(
             id=self.object.pk,
             url=self.object.get_absolute_url(),
             permissions=permissions,
-            user=self.get_user_data(),
+            user=user_data,
         )
         if not self.request.user.is_authenticated:
             key, value = self.object.signed_cookie_elements