add migration

ts/database/migrations/migration-012-gfs-retention.ts

@@ -0,0 +1,97 @@
+import { BaseMigration } from './base-migration.ts';
+import type { TQueryFunction } from '../types.ts';
+
+export class Migration012GfsRetention extends BaseMigration {
+  readonly version = 12;
+  readonly description = 'GFS retention policy schema';
+
+  up(query: TQueryFunction): void {
+    // Recreate backup_schedules with GFS retention columns
+    query(`
+      CREATE TABLE backup_schedules_new (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        scope_type TEXT NOT NULL DEFAULT 'service',
+        scope_pattern TEXT,
+        service_id INTEGER,
+        service_name TEXT,
+        cron_expression TEXT NOT NULL,
+        retention_hourly INTEGER NOT NULL DEFAULT 0,
+        retention_daily INTEGER NOT NULL DEFAULT 7,
+        retention_weekly INTEGER NOT NULL DEFAULT 4,
+        retention_monthly INTEGER NOT NULL DEFAULT 12,
+        enabled INTEGER NOT NULL DEFAULT 1,
+        last_run_at REAL,
+        next_run_at REAL,
+        last_status TEXT,
+        last_error TEXT,
+        created_at REAL NOT NULL,
+        updated_at REAL NOT NULL,
+        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
+      )
+    `);
+
+    // Migrate existing data - convert old retention_tier to new format
+    query(`
+      INSERT INTO backup_schedules_new (
+        id, scope_type, scope_pattern, service_id, service_name, cron_expression,
+        retention_hourly, retention_daily, retention_weekly, retention_monthly,
+        enabled, last_run_at, next_run_at, last_status, last_error, created_at, updated_at
+      )
+      SELECT
+        id, scope_type, scope_pattern, service_id, service_name, cron_expression,
+        0,
+        CASE WHEN retention_tier = 'daily' THEN 7 ELSE 0 END,
+        CASE WHEN retention_tier IN ('daily', 'weekly') THEN 4 ELSE 0 END,
+        CASE WHEN retention_tier IN ('daily', 'weekly', 'monthly') THEN 12
+             WHEN retention_tier = 'yearly' THEN 24 ELSE 12 END,
+        enabled, last_run_at, next_run_at, last_status, last_error, created_at, updated_at
+      FROM backup_schedules
+    `);
+
+    query('DROP TABLE backup_schedules');
+    query('ALTER TABLE backup_schedules_new RENAME TO backup_schedules');
+    query(
+      'CREATE INDEX IF NOT EXISTS idx_backup_schedules_service ON backup_schedules(service_id)',
+    );
+    query(
+      'CREATE INDEX IF NOT EXISTS idx_backup_schedules_enabled ON backup_schedules(enabled)',
+    );
+    query(
+      'CREATE INDEX IF NOT EXISTS idx_backup_schedules_scope ON backup_schedules(scope_type)',
+    );
+
+    // Recreate backups table without retention_tier column
+    query(`
+      CREATE TABLE backups_new (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        service_id INTEGER NOT NULL,
+        service_name TEXT NOT NULL,
+        filename TEXT NOT NULL,
+        size_bytes INTEGER NOT NULL,
+        created_at REAL NOT NULL,
+        includes_image INTEGER NOT NULL,
+        platform_resources TEXT NOT NULL DEFAULT '[]',
+        checksum TEXT NOT NULL,
+        schedule_id INTEGER REFERENCES backup_schedules(id) ON DELETE SET NULL,
+        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
+      )
+    `);
+
+    query(`
+      INSERT INTO backups_new (
+        id, service_id, service_name, filename, size_bytes, created_at,
+        includes_image, platform_resources, checksum, schedule_id
+      )
+      SELECT
+        id, service_id, service_name, filename, size_bytes, created_at,
+        includes_image, platform_resources, checksum, schedule_id
+      FROM backups
+    `);
+
+    query('DROP TABLE backups');
+    query('ALTER TABLE backups_new RENAME TO backups');
+    query('CREATE INDEX IF NOT EXISTS idx_backups_service ON backups(service_id)');
+    query('CREATE INDEX IF NOT EXISTS idx_backups_created ON backups(created_at DESC)');
+    query('CREATE INDEX IF NOT EXISTS idx_backups_schedule ON backups(schedule_id)');
+  }
+}