mirror of
https://github.com/TryGhost/Ghost.git
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84 lines
3.2 KiB
JavaScript
84 lines
3.2 KiB
JavaScript
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var _ = require('lodash'),
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url = require('url'),
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utils = require('../../../utils'),
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errors = require('../../../errors'),
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i18n = require('../../../i18n'),
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safeString = require('../../../utils/index').safeString,
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settingsCache = require('../../../settings/cache'),
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// Really ugly temporary hack for location of things
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fetchData = require('../../../controllers/frontend/fetch-data'),
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handleError = require('../../../controllers/frontend/error'),
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feedCache = require('./cache'),
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generate;
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// @TODO: is this the right logic? Where should this live?!
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function getBaseUrlForRSSReq(originalUrl, pageParam) {
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return url.parse(originalUrl).pathname.replace(new RegExp('/' + pageParam + '/$'), '/');
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}
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// @TODO: is this really correct? Should we be using meta data title?
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function getTitle(relatedData) {
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relatedData = relatedData || {};
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var titleStart = _.get(relatedData, 'author[0].name') || _.get(relatedData, 'tag[0].name') || '';
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titleStart += titleStart ? ' - ' : '';
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return titleStart + settingsCache.get('title');
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}
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// @TODO: merge this with the rest of the data processing for RSS
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// @TODO: swap the fetchData call + duplicate code from channels with something DRY
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function getData(channelOpts) {
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channelOpts.data = channelOpts.data || {};
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return fetchData(channelOpts).then(function formatResult(result) {
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var response = {};
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response.title = getTitle(result.data);
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response.description = settingsCache.get('description');
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response.results = {
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posts: result.posts,
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meta: result.meta
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};
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return response;
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});
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}
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// @TODO finish refactoring this - it's now a controller
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generate = function generate(req, res, next) {
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// Parse the parameters we need from the URL
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var pageParam = req.params.page !== undefined ? req.params.page : 1,
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slugParam = req.params.slug ? safeString(req.params.slug) : undefined;
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// @TODO: fix this, we shouldn't change the channel object!
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// Set page on postOptions for the query made later
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res.locals.channel.postOptions.page = pageParam;
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res.locals.channel.slugParam = slugParam;
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return getData(res.locals.channel).then(function handleResult(data) {
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// Base URL needs to be the URL for the feed without pagination:
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var baseUrl = getBaseUrlForRSSReq(req.originalUrl, pageParam),
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maxPage = data.results.meta.pagination.pages;
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// If page is greater than number of pages we have, redirect to last page
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if (pageParam > maxPage) {
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return next(new errors.NotFoundError({message: i18n.t('errors.errors.pageNotFound')}));
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}
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data.version = res.locals.safeVersion;
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data.siteUrl = utils.url.urlFor('home', {secure: req.secure}, true);
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data.feedUrl = utils.url.urlFor({relativeUrl: baseUrl, secure: req.secure}, true);
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data.secure = req.secure;
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// @TODO this is effectively a renderer
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return feedCache.getXML(baseUrl, data).then(function then(feedXml) {
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res.set('Content-Type', 'text/xml; charset=UTF-8');
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res.send(feedXml);
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});
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}).catch(handleError(next));
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};
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module.exports = generate;
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