Ghost/core/frontend/services/routing/middlewares/page-param.js
Vikas Potluri 4ac88dce10
Refactored common lib import to use destructuring (#11835)
* refactored `core/frontend/apps` to destructure common imports
* refactored `core/frontend/services/{apps, redirects, routing}` to destructure common imports
* refactored `core/frontend/services/settings` to destructure common imports
* refactored remaining `core/frontend/services` to destructure common imports
* refactored `core/server/adapters` to destructure common imports
* refactored `core/server/data/{db, exporter, schema, validation}` to destructure common imports
* refactored `core/server/data/importer` to destructure common imports
* refactored `core/server/models/{base, plugins, relations}` to destructure common imports
* refactored remaining `core/server/models` to destructure common imports
* refactored `core/server/api/canary/utils/serializers/output` to destructure common imports
* refactored remaining `core/server/api/canary/utils` to destructure common imports
* refactored remaining `core/server/api/canary` to destructure common imports
* refactored `core/server/api/shared` to destructure common imports
* refactored `core/server/api/v2/utils` to destructure common imports
* refactored remaining `core/server/api/v2` to destructure common imports
* refactored `core/frontend/meta` to destructure common imports
* fixed some tests referencing `common.errors` instead of `@tryghost/errors`
   - Not all of them need to be updated; only updating the ones that are
causing failures
* fixed errors import being shadowed by local scope
2020-05-22 19:22:20 +01:00

31 lines
986 B
JavaScript

const {i18n} = require('../../../../server/lib/common');
const errors = require('@tryghost/errors');
const urlUtils = require('../../../../server/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/(.*)?/');
page = parseInt(page, 10);
if (page === 1) {
// CASE: page 1 is an alias for the collection index, do a permanent 301 redirect
return urlUtils.redirect301(res, req.originalUrl.replace(pageRegex, '/'));
} else if (page < 1 || isNaN(page)) {
return next(new errors.NotFoundError({
message: i18n.t('errors.errors.pageNotFound')
}));
} else {
req.params.page = page;
return next();
}
};