Enable attachment backup uploading

ts/sql/migrations/1070-attachment-backup.ts

@@ -0,0 +1,55 @@
+// Copyright 2024 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { Database } from '@signalapp/better-sqlite3';
+
+import type { LoggerType } from '../../types/Logging';
+
+export const version = 1070;
+
+export function updateToSchemaVersion1070(
+  currentVersion: number,
+  db: Database,
+  logger: LoggerType
+): void {
+  if (currentVersion >= 1070) {
+    return;
+  }
+
+  db.transaction(() => {
+    db.exec(`
+      CREATE TABLE attachment_backup_jobs (
+        mediaName TEXT NOT NULL PRIMARY KEY,
+        type TEXT NOT NULL,
+        data TEXT NOT NULL,
+        receivedAt INTEGER NOT NULL,
+
+        -- job manager fields
+        attempts INTEGER NOT NULL,
+        active INTEGER NOT NULL,
+        retryAfter INTEGER,
+        lastAttemptTimestamp INTEGER
+      ) STRICT;
+
+      CREATE INDEX attachment_backup_jobs_receivedAt
+        ON attachment_backup_jobs (
+          receivedAt
+      );
+
+      CREATE INDEX attachment_backup_jobs_type_receivedAt
+        ON attachment_backup_jobs (
+          type, receivedAt
+      ); 
+
+      CREATE TABLE backup_cdn_object_metadata (
+        mediaId TEXT NOT NULL PRIMARY KEY,
+        cdnNumber INTEGER NOT NULL,
+        sizeOnBackupCdn INTEGER
+      ) STRICT;
+    `);
+  })();
+
+  db.pragma('user_version = 1070');
+
+  logger.info('updateToSchemaVersion1070: success!');
+}