Rocket.Chat/apps/meteor/app/livechat/server/methods/saveAppearance.ts

import { Meteor } from 'meteor/meteor';
import { Settings } from '@rocket.chat/models';
import type { ServerMethods } from '@rocket.chat/ui-contexts';

import { hasPermissionAsync } from '../../../authorization/server/functions/hasPermission';

declare module '@rocket.chat/ui-contexts' {
	// eslint-disable-next-line @typescript-eslint/naming-convention
	interface ServerMethods {
		'livechat:saveAppearance'(settings: { _id: string; value: any }[]): Promise<void>;
	}
}

Meteor.methods<ServerMethods>({
	async 'livechat:saveAppearance'(settings) {
		const uid = Meteor.userId();
		if (!uid || !(await hasPermissionAsync(uid, 'view-livechat-manager'))) {
			throw new Meteor.Error('error-not-allowed', 'Not allowed', {
				method: 'livechat:saveAppearance',
			});
		}

		const validSettings = [
			'Livechat_title',
			'Livechat_title_color',
			'Livechat_enable_message_character_limit',
			'Livechat_message_character_limit',
			'Livechat_show_agent_info',
			'Livechat_show_agent_email',
			'Livechat_display_offline_form',
			'Livechat_offline_form_unavailable',
			'Livechat_offline_message',
			'Livechat_offline_success_message',
			'Livechat_offline_title',
			'Livechat_offline_title_color',
			'Livechat_offline_email',
			'Livechat_conversation_finished_message',
			'Livechat_conversation_finished_text',
			'Livechat_registration_form',
			'Livechat_name_field_registration_form',
			'Livechat_email_field_registration_form',
			'Livechat_registration_form_message',
		];

		const valid = settings.every((setting) => validSettings.indexOf(setting._id) !== -1);

		if (!valid) {
			throw new Meteor.Error('invalid-setting');
		}

		await Promise.all(
			settings.map((setting) => {
				return Settings.updateValueById(setting._id, setting.value);
			}),
		);
	},
});