From dc8e1d093bc4ad02d91c5e49125d7d164d4fa4a2 Mon Sep 17 00:00:00 2001
From: Ivo Oskamp <ivooskamp@oskamp.info>
Date: Tue, 6 Jan 2026 16:23:49 +0100
Subject: [PATCH] Auto-commit local changes before build (2026-01-06 16:23:49)

---
 .last-branch                                  |  2 +-
 .../src/backend/app/migrations.py             | 61 +++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/.last-branch b/.last-branch
index 1598c06..c8b2ccf 100644
--- a/.last-branch
+++ b/.last-branch
@@ -1 +1 @@
-v20260106-19-missed-run-detection-threshold
+v20260106-20-fix-customer-delete-fk
diff --git a/containers/backupchecks/src/backend/app/migrations.py b/containers/backupchecks/src/backend/app/migrations.py
index 589d718..b431a75 100644
--- a/containers/backupchecks/src/backend/app/migrations.py
+++ b/containers/backupchecks/src/backend/app/migrations.py
@@ -1226,6 +1226,37 @@ def migrate_object_persistence_tables() -> None:
                 '''
             )
         )
+
+        # Ensure existing installations also have ON DELETE CASCADE for customer_object_id.
+        # Older schemas may have created the FK without cascade, blocking customer deletes.
+        conn.execute(
+            text(
+                '''
+                DO $$
+                BEGIN
+                    IF EXISTS (
+                        SELECT 1
+                        FROM information_schema.table_constraints tc
+                        WHERE tc.table_name = 'job_object_links'
+                          AND tc.constraint_type = 'FOREIGN KEY'
+                          AND tc.constraint_name = 'job_object_links_customer_object_id_fkey'
+                    ) THEN
+                        ALTER TABLE job_object_links
+                            DROP CONSTRAINT job_object_links_customer_object_id_fkey;
+                    END IF;
+
+                    ALTER TABLE job_object_links
+                        ADD CONSTRAINT job_object_links_customer_object_id_fkey
+                        FOREIGN KEY (customer_object_id)
+                        REFERENCES customer_objects(id)
+                        ON DELETE CASCADE;
+                EXCEPTION
+                    WHEN duplicate_object THEN
+                        NULL;
+                END $$;
+                '''
+            )
+        )
         conn.execute(
             text(
                 'CREATE INDEX IF NOT EXISTS idx_job_object_links_job_id ON job_object_links (job_id)'
@@ -1253,6 +1284,36 @@ def migrate_object_persistence_tables() -> None:
                 '''
             )
         )
+
+        # Ensure existing installations also have ON DELETE CASCADE for customer_object_id.
+        conn.execute(
+            text(
+                '''
+                DO $$
+                BEGIN
+                    IF EXISTS (
+                        SELECT 1
+                        FROM information_schema.table_constraints tc
+                        WHERE tc.table_name = 'run_object_links'
+                          AND tc.constraint_type = 'FOREIGN KEY'
+                          AND tc.constraint_name = 'run_object_links_customer_object_id_fkey'
+                    ) THEN
+                        ALTER TABLE run_object_links
+                            DROP CONSTRAINT run_object_links_customer_object_id_fkey;
+                    END IF;
+
+                    ALTER TABLE run_object_links
+                        ADD CONSTRAINT run_object_links_customer_object_id_fkey
+                        FOREIGN KEY (customer_object_id)
+                        REFERENCES customer_objects(id)
+                        ON DELETE CASCADE;
+                EXCEPTION
+                    WHEN duplicate_object THEN
+                        NULL;
+                END $$;
+                '''
+            )
+        )
         conn.execute(
             text(
                 'CREATE INDEX IF NOT EXISTS idx_run_object_links_run_id ON run_object_links (run_id)'
-- 
2.45.2