Rename debrid fields and update user settings

Safely adds the 'debrid_service' column and conditionally updates existing rows based on the presence of 'debrid_token'.

prisma/migrations/20251119115438_rename_debrid_fields/migration.sql

@@ -1,5 +1,21 @@
--- Add debrid_service field (debrid_token was already renamed via db push)
-ALTER TABLE "user_settings" ADD COLUMN "debrid_service" VARCHAR(255);
+-- Safely add the new 'debrid_service' column if it doesn't exist yet
+ALTER TABLE "user_settings" ADD COLUMN IF NOT EXISTS "debrid_service" VARCHAR(255);
 
--- Set default service to 'realdebrid' for existing users who have a token
-UPDATE "user_settings" SET "debrid_service" = 'realdebrid' WHERE "debrid_token" IS NOT NULL;
+-- Conditionally update existing rows to set the default service to 'realdebrid'
+-- only if the 'debrid_token' column actually exists.
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'user_settings'
+          AND column_name = 'debrid_token'
+    ) THEN
+        -- Use EXECUTE so the UPDATE is not parsed at compile time (avoids errors
+        -- if the column is missing at parse time in some PostgreSQL versions)
+        EXECUTE 'UPDATE "user_settings"
+                 SET "debrid_service" = ''realdebrid''
+                 WHERE "debrid_token" IS NOT NULL';
+    END IF;
+END $$;