[PB-5978]: feat/add suspended state for accounts

migrations/20260507151019-add-state-to-mail-accounts.js

@@ -0,0 +1,33 @@
+'use strict';
+
+const TABLE_NAME = 'mail_accounts';
+const PURGE_INDEX = 'mail_accounts_suspended_at_purge_idx';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn(TABLE_NAME, 'status', {
+      type: Sequelize.STRING(20),
+      allowNull: false,
+      defaultValue: 'active',
+    });
+
+    await queryInterface.addColumn(TABLE_NAME, 'suspended_at', {
+      type: Sequelize.DATE,
+      allowNull: true,
+      defaultValue: null,
+    });
+
+    await queryInterface.sequelize.query(
+      `CREATE INDEX ${PURGE_INDEX}
+       ON ${TABLE_NAME} (suspended_at)
+       WHERE status = 'suspended'`,
+    );
+  },
+
+  async down(queryInterface) {
+    await queryInterface.sequelize.query(`DROP INDEX IF EXISTS ${PURGE_INDEX}`);
+    await queryInterface.removeColumn(TABLE_NAME, 'suspended_at');
+    await queryInterface.removeColumn(TABLE_NAME, 'status');
+  },
+};