Ghost/core/server/services/routing/middlewares/page-param.js
Naz Gargol abda6e6338
Migrated to use url-utils from Ghost-SDK (#10787)
closes #10773

- The refactoring is a substitute for `urlService.utils` used previously throughout the codebase and now extracted into the separate module in Ghost-SDK
- Added url-utils stubbing utility for test suites
- Some tests had to be refactored to avoid double mocks (when url's are being reset inside of rested 'describe' groups)
2019-06-18 15:13:55 +02:00

36 lines
1.2 KiB
JavaScript

const common = require('../../../lib/common'),
urlUtils = require('../../../lib/url-utils');
/**
* @description Middleware, which validates and interprets the page param e.g. /page/1
* @param {Object} req
* @param {Object} res
* @param {Function} next
* @param {Number} page
* @returns {*}
*/
module.exports = function handlePageParam(req, res, next, page) {
// routeKeywords.page: 'page'
const pageRegex = new RegExp('/page/(.*)?/'),
rssRegex = new RegExp('/rss/(.*)?/');
page = parseInt(page, 10);
if (page === 1) {
// CASE: page 1 is an alias for the collection index, do a permanent 301 redirect
// @TODO: this belongs into the rss router!
if (rssRegex.test(req.url)) {
return urlUtils.redirect301(res, req.originalUrl.replace(rssRegex, '/rss/'));
} else {
return urlUtils.redirect301(res, req.originalUrl.replace(pageRegex, '/'));
}
} else if (page < 1 || isNaN(page)) {
return next(new common.errors.NotFoundError({
message: common.i18n.t('errors.errors.pageNotFound')
}));
} else {
req.params.page = page;
return next();
}
};