discourse/app/assets/javascripts/admin/controllers/modals/admin-start-backup.js.es6

import ModalFunctionality from 'discourse/mixins/modal-functionality';
import Backup from 'admin/models/backup';

export default Ember.Controller.extend(ModalFunctionality, {
  adminBackupsLogs: Ember.inject.controller(),

  _startBackup(withUploads) {
    this.currentUser.set('hideReadOnlyAlert', true);
    Backup.start(withUploads).then(() => {
      this.get("adminBackupsLogs.logs").clear();
      this.send("backupStarted");
    });
  },

  actions: {
    startBackup() {
      this._startBackup();
    },

    startBackupWithoutUpload() {
      this._startBackup(false);
    },

    cancel() {
      this.send("closeModal");
    }
  }
});