/** * Main controller for Ghost frontend */ /*global require, module */ var moment = require('moment'), RSS = require('rss'), _ = require('underscore'), url = require('url'), when = require('when'), api = require('../api'), config = require('../config'), errors = require('../errorHandling'), filters = require('../../server/filters'), frontendControllers; frontendControllers = { 'homepage': function (req, res, next) { // Parse the page number var pageParam = req.params.page !== undefined ? parseInt(req.params.page, 10) : 1, postsPerPage, options = {}; // No negative pages, or page 1 if (isNaN(pageParam) || pageParam < 1 || (pageParam === 1 && req.route.path === '/page/:page/')) { return res.redirect(config.paths().subdir + '/'); } return api.settings.read('postsPerPage').then(function (postPP) { postsPerPage = parseInt(postPP.value, 10); options.page = pageParam; // No negative posts per page, must be number if (!isNaN(postsPerPage) && postsPerPage > 0) { options.limit = postsPerPage; } return; }).then(function () { return api.posts.browse(options); }).then(function (page) { var maxPage = page.pages; // A bit of a hack for situations with no content. if (maxPage === 0) { maxPage = 1; page.pages = 1; } // If page is greater than number of pages we have, redirect to last page if (pageParam > maxPage) { return res.redirect(maxPage === 1 ? config.paths().subdir + '/' : (config.paths().subdir + '/page/' + maxPage + '/')); } // Render the page of posts filters.doFilter('prePostsRender', page.posts).then(function (posts) { res.render('index', {posts: posts, pagination: {page: page.page, prev: page.prev, next: page.next, limit: page.limit, total: page.total, pages: page.pages}}); }); }).otherwise(function (err) { var e = new Error(err.message); e.status = err.errorCode; return next(e); }); }, 'single': function (req, res, next) { // From route check if a date was parsed // from the regex var dateInSlug = req.params[0] ? true : false; when.join( api.settings.read('permalinks'), api.posts.read({slug: req.params[1]}) ).then(function (promises) { var permalink = promises[0].value, post = promises[1]; function render() { // If we're ready to render the page but the last param is 'edit' then we'll send you to the edit page. if (req.params[2] && req.params[2] === 'edit') { return res.redirect(config.paths().subdir + '/ghost/editor/' + post.id + '/'); } filters.doFilter('prePostsRender', post).then(function (post) { api.settings.read('activeTheme').then(function (activeTheme) { var paths = config.paths().availableThemes[activeTheme.value], view = post.page && paths.hasOwnProperty('page') ? 'page' : 'post'; res.render(view, {post: post}); }); }); } if (!post) { return next(); } // Check that the date in the URL matches the published date of the post, else 404 if (dateInSlug && req.params[0] !== moment(post.published_at).format('YYYY/MM/DD/')) { return next(); } // A page can only be rendered when there is no date in the url. // A post can either be rendered with a date in the url depending on the permalink setting. // For all other conditions return 404. if (post.page === 1 && dateInSlug === false) { return render(); } if (post.page === 0) { // Handle post rendering if ((permalink === '/:slug/' && dateInSlug === false) || (permalink !== '/:slug/' && dateInSlug === true)) { return render(); } } next(); }).otherwise(function (err) { var e = new Error(err.message); e.status = err.errorCode; return next(e); }); }, 'edit': function (req, res, next) { req.params[2] = 'edit'; return frontendControllers.single(req, res, next); }, 'rss': function (req, res, next) { // Initialize RSS var pageParam = req.params.page !== undefined ? parseInt(req.params.page, 10) : 1, feed; // No negative pages, or page 1 if (isNaN(pageParam) || pageParam < 1 || (pageParam === 1 && req.route.path === '/rss/:page/')) { return res.redirect(config.paths().subdir + '/rss/'); } // TODO: needs refactor for multi user to not use first user as default return when.settle([ api.users.read({id : 1}), api.settings.read('title'), api.settings.read('description'), api.settings.read('permalinks') ]).then(function (result) { var user = result[0].value, title = result[1].value.value, description = result[2].value.value, permalinks = result[3].value, siteUrl = config.paths.urlFor('home', null, true), feedUrl = config.paths.urlFor('rss', null, true); feed = new RSS({ title: title, description: description, generator: 'Ghost v' + res.locals.version, author: user ? user.name : null, feed_url: feedUrl, site_url: siteUrl, ttl: '60' }); return api.posts.browse({page: pageParam}).then(function (page) { var maxPage = page.pages, feedItems = []; // A bit of a hack for situations with no content. if (maxPage === 0) { maxPage = 1; page.pages = 1; } // If page is greater than number of pages we have, redirect to last page if (pageParam > maxPage) { return res.redirect(config.paths().subdir + '/rss/' + maxPage + '/'); } filters.doFilter('prePostsRender', page.posts).then(function (posts) { posts.forEach(function (post) { var deferred = when.defer(), item = { title: _.escape(post.title), guid: post.uuid, url: config.paths.urlFor('post', {post: post, permalinks: permalinks}, true), date: post.published_at, categories: _.pluck(post.tags, 'name') }, content = post.html; //set img src to absolute url content = content.replace(/src=["|'|\s]?([\w\/\?\$\.\+\-;%:@&=,_]+)["|'|\s]?/gi, function (match, p1) { /*jslint unparam:true*/ p1 = url.resolve(siteUrl, p1); return "src='" + p1 + "' "; }); //set a href to absolute url content = content.replace(/href=["|'|\s]?([\w\/\?\$\.\+\-;%:@&=,_]+)["|'|\s]?/gi, function (match, p1) { /*jslint unparam:true*/ p1 = url.resolve(siteUrl, p1); return "href='" + p1 + "' "; }); item.description = content; feed.item(item); deferred.resolve(); feedItems.push(deferred.promise); }); }); when.all(feedItems).then(function () { res.set('Content-Type', 'text/xml'); res.send(feed.xml()); }); }); }).otherwise(function (err) { var e = new Error(err.message); e.status = err.errorCode; return next(e); }); } }; module.exports = frontendControllers;