From 2d327e6294193073d11233be2915bd9976b65f32 Mon Sep 17 00:00:00 2001
From: Mike Dalessio <mike@37signals.com>
Date: Thu, 2 Oct 2025 14:46:23 -0400
Subject: [PATCH] Render a helpful menu of tenants temporarily

---
 app/controllers/concerns/authentication.rb        |  4 +++-
 app/views/sessions/login_menu.html.erb            | 15 +++++++++++++++
 .../controllers/controller_authentication_test.rb |  3 ++-
 3 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 app/views/sessions/login_menu.html.erb

diff --git a/app/controllers/concerns/authentication.rb b/app/controllers/concerns/authentication.rb
index 89871a9f5..2ede3c108 100644
--- a/app/controllers/concerns/authentication.rb
+++ b/app/controllers/concerns/authentication.rb
@@ -37,7 +37,9 @@ module Authentication
     end
 
     def require_tenant
-      ApplicationRecord.current_tenant.present? || request_authentication
+      unless ApplicationRecord.current_tenant.present?
+        render "sessions/login_menu"
+      end
     end
 
     def require_authentication
diff --git a/app/views/sessions/login_menu.html.erb b/app/views/sessions/login_menu.html.erb
new file mode 100644
index 000000000..e8c78fc61
--- /dev/null
+++ b/app/views/sessions/login_menu.html.erb
@@ -0,0 +1,15 @@
+<% cache ApplicationRecord.tenants do %>
+  <h2>We're migrating Fizzy authentication</h2>
+  <p>
+    While we migrate Fizzy away from Launchpad and 37id, please login at one of the following URLs:
+
+    <ul style="list-style-type: none;">
+      <% ApplicationRecord.with_each_tenant do |tenant| %>
+        <li><%= link_to Account.sole.name, root_url(script_name: Account.sole.slug) %></li>
+      <% end %>
+    </ul>
+  </p>
+  <p>
+    Mike should have sent you your temporary password by now. If you haven't received it, please ping him!
+  </p>
+<% end %>
diff --git a/test/controllers/controller_authentication_test.rb b/test/controllers/controller_authentication_test.rb
index 02b729089..72e0df995 100644
--- a/test/controllers/controller_authentication_test.rb
+++ b/test/controllers/controller_authentication_test.rb
@@ -6,7 +6,8 @@ class ControllerAuthenticationTest < ActionDispatch::IntegrationTest
 
     get cards_path
 
-    assert_redirected_to new_session_path
+    assert_response :success
+    assert_dom "h2", text: "We're migrating Fizzy authentication"
   end
 
   test "access with an account slug but no session redirects to new session" do