From 9a2c47eeec32972456cee42e8848098c081e0f46 Mon Sep 17 00:00:00 2001
From: cka-y <chaimaa@mobilitydata.org>
Date: Mon, 15 Jun 2026 15:27:15 -0400
Subject: [PATCH 1/2] feat: seed api.announcements notification type

---
 liquibase/changelog_user.xml         | 2 ++
 liquibase/changes_user/feat_1729.sql | 4 ++++
 2 files changed, 6 insertions(+)
 create mode 100644 liquibase/changes_user/feat_1729.sql

diff --git a/liquibase/changelog_user.xml b/liquibase/changelog_user.xml
index 55a569b13..e23defb24 100644
--- a/liquibase/changelog_user.xml
+++ b/liquibase/changelog_user.xml
@@ -15,4 +15,6 @@
     <include file="changes_user/feat_1684.sql" relativeToChangelogFile="true"/>
     <!-- Add feature_flag and user_feature_flag tables -->
     <include file="changes_user/feat_1694.sql" relativeToChangelogFile="true"/>
+    <!-- Seed 'api.announcements' notification type (issue #1729). -->
+    <include file="changes_user/feat_1729.sql" relativeToChangelogFile="true"/>
 </databaseChangeLog>
diff --git a/liquibase/changes_user/feat_1729.sql b/liquibase/changes_user/feat_1729.sql
new file mode 100644
index 000000000..4e2458549
--- /dev/null
+++ b/liquibase/changes_user/feat_1729.sql
@@ -0,0 +1,4 @@
+-- Seed 'api.announcements' notification type (idempotent).
+INSERT INTO notification_type (id, description)
+VALUES ('api.announcements', 'API announcements')
+ON CONFLICT (id) DO NOTHING;

From b240178df156508eb661c1fe0fe59654b8b54807 Mon Sep 17 00:00:00 2001
From: cka-y <chaimaa@mobilitydata.org>
Date: Mon, 15 Jun 2026 15:30:26 -0400
Subject: [PATCH 2/2] feat: backfill subscription for existing users

---
 liquibase/changes_user/feat_1729.sql | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/liquibase/changes_user/feat_1729.sql b/liquibase/changes_user/feat_1729.sql
index 4e2458549..6feb381c6 100644
--- a/liquibase/changes_user/feat_1729.sql
+++ b/liquibase/changes_user/feat_1729.sql
@@ -2,3 +2,14 @@
 INSERT INTO notification_type (id, description)
 VALUES ('api.announcements', 'API announcements')
 ON CONFLICT (id) DO NOTHING;
+
+-- Backfill subscriptions for users already opted in (idempotent).
+INSERT INTO notification_subscription (id, user_id, notification_type_id)
+SELECT gen_random_uuid()::text, u.id, 'api.announcements'
+FROM app_user u
+WHERE u.is_registered_to_receive_api_announcements
+  AND NOT EXISTS (
+      SELECT 1 FROM notification_subscription s
+      WHERE s.user_id = u.id
+        AND s.notification_type_id = 'api.announcements'
+  );