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0ae0a0b490
refs #6982 - a replace for all config usages - always use config.get or config.set - this a pure replacement, no logic has changed [ci skip]
69 lines
2.6 KiB
JavaScript
69 lines
2.6 KiB
JavaScript
/**
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* # Response context
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*
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* Figures out which context we are currently serving. The biggest challenge with determining this
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* is that the only way to determine whether or not we are a post, or a page, is with data after all the
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* data for the template has been retrieved.
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*
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* Contexts are determined based on 3 pieces of information
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* 1. res.locals.relativeUrl - which never includes the subdirectory
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* 2. req.params.page - always has the page parameter, regardless of if the URL contains a keyword (RSS pages don't)
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* 3. data - used for telling the difference between posts and pages
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*/
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var config = require('../../config'),
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// Context patterns, should eventually come from Channel configuration
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privatePattern = new RegExp('^\\/' + config.get('routeKeywords').private + '\\/'),
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subscribePattern = new RegExp('^\\/' + config.get('routeKeywords').subscribe + '\\/'),
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ampPattern = new RegExp('\\/' + config.get('routeKeywords').amp + '\\/$'),
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rssPattern = new RegExp('^\\/rss\\/'),
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homePattern = new RegExp('^\\/$');
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function setResponseContext(req, res, data) {
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var pageParam = req.params && req.params.page !== undefined ? parseInt(req.params.page, 10) : 1;
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res.locals = res.locals || {};
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res.locals.context = [];
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// If we don't have a relativeUrl, we can't detect the context, so return
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if (!res.locals.relativeUrl) {
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return;
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}
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// Paged context - special rule
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if (!isNaN(pageParam) && pageParam > 1) {
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res.locals.context.push('paged');
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}
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// Home context - special rule
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if (homePattern.test(res.locals.relativeUrl)) {
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res.locals.context.push('home');
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}
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// This is not currently used, as setRequestContext is not called for RSS feeds
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if (rssPattern.test(res.locals.relativeUrl)) {
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res.locals.context.push('rss');
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}
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// Add context 'amp' to either post or page, if we have an `*/amp` route
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if (ampPattern.test(res.locals.relativeUrl) && data.post) {
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res.locals.context.push('amp');
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}
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// Each page can only have at most one of these
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if (req.channelConfig) {
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res.locals.context.push(req.channelConfig.name);
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} else if (privatePattern.test(res.locals.relativeUrl)) {
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res.locals.context.push('private');
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} else if (subscribePattern.test(res.locals.relativeUrl)) {
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res.locals.context.push('subscribe');
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} else if (data && data.post && data.post.page) {
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res.locals.context.push('page');
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} else if (data && data.post) {
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res.locals.context.push('post');
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}
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}
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module.exports = setResponseContext;
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