pics/lib/middleware/locale/locale.js

'use strict';

const i18n = require(__dirname+'/../../locale/locale.js')
	, config = require(__dirname+'/../../misc/config.js');

module.exports = {

	setGlobalLanguage: (req, res, next) => {
		// global settings locale
		const { language } = config.get;
		res.locals.setLocale(res.locals, language);
		next();
	},

	setBoardLanguage: (req, res, next) => {
		// board settings locale
		const language = res.locals.board.settings.language;
		res.locals.setLocale(res.locals, language);
		next();
	},

	setQueryLanguage: (req, res, next) => {
		if (req.query.language
			&& typeof req.query.language === 'string'
			&& i18n.getLocales().includes(req.query.language)) {
			res.locals.setLocale(res.locals, req.query.language);
		}
		next();
	},

	//TODO set param language? set body language? surely not...

};