discourse/app/assets/javascripts/admin/models/backup-status.js.es6

import computed from "ember-addons/ember-computed-decorators";

export default Discourse.Model.extend({
  restoreDisabled: Ember.computed.not("restoreEnabled"),

  @computed("allowRestore", "isOperationRunning")
  restoreEnabled(allowRestore, isOperationRunning) {
    return allowRestore && !isOperationRunning;
  }
});