90c2dbcd6b
no-issue As we're deprecating apps, filters are no longer used. - Removed use of filters in helpers - Removed use of filters from routing service - Removed use of filters from rss service - Removed use of filters in base model
100 lines
3.1 KiB
JavaScript
100 lines
3.1 KiB
JavaScript
var downsize = require('downsize'),
|
|
Promise = require('bluebird'),
|
|
RSS = require('rss'),
|
|
urlService = require('../../services/url'),
|
|
generateFeed,
|
|
generateItem,
|
|
generateTags;
|
|
|
|
generateTags = function generateTags(data) {
|
|
if (data.tags) {
|
|
return data.tags.reduce(function (tags, tag) {
|
|
if (tag.visibility !== 'internal') {
|
|
tags.push(tag.name);
|
|
}
|
|
return tags;
|
|
}, []);
|
|
}
|
|
|
|
return [];
|
|
};
|
|
|
|
generateItem = function generateItem(post, siteUrl, secure) {
|
|
var itemUrl = urlService.getUrlByResourceId(post.id, {secure: secure, absolute: true}),
|
|
htmlContent = urlService.utils.makeAbsoluteUrls(post.html, siteUrl, itemUrl),
|
|
item = {
|
|
title: post.title,
|
|
// @TODO: DRY this up with data/meta/index & other excerpt code
|
|
description: post.custom_excerpt || post.meta_description || downsize(htmlContent.html(), {words: 50}),
|
|
guid: post.id,
|
|
url: itemUrl,
|
|
date: post.published_at,
|
|
categories: generateTags(post),
|
|
author: post.primary_author ? post.primary_author.name : null,
|
|
custom_elements: []
|
|
},
|
|
imageUrl;
|
|
|
|
if (post.feature_image) {
|
|
imageUrl = urlService.utils.urlFor('image', {image: post.feature_image, secure: secure}, true);
|
|
|
|
// Add a media content tag
|
|
item.custom_elements.push({
|
|
'media:content': {
|
|
_attr: {
|
|
url: imageUrl,
|
|
medium: 'image'
|
|
}
|
|
}
|
|
});
|
|
|
|
// Also add the image to the content, because not all readers support media:content
|
|
htmlContent('p').first().before('<img src="' + imageUrl + '" />');
|
|
htmlContent('img').attr('alt', post.title);
|
|
}
|
|
|
|
item.custom_elements.push({
|
|
'content:encoded': {
|
|
_cdata: htmlContent.html()
|
|
}
|
|
});
|
|
|
|
return item;
|
|
};
|
|
|
|
/**
|
|
* Generate Feed
|
|
*
|
|
* Data is an object which contains the res.locals + results from fetching a collection, but without related data.
|
|
*
|
|
* @param {string} baseUrl
|
|
* @param {{title, description, safeVersion, secure, posts}} data
|
|
*/
|
|
generateFeed = function generateFeed(baseUrl, data) {
|
|
const siteUrl = urlService.utils.urlFor('home', {secure: data.secure}, true);
|
|
const feed = new RSS({
|
|
title: data.title,
|
|
description: data.description,
|
|
generator: 'Ghost ' + data.safeVersion,
|
|
feed_url: urlService.utils.urlFor({relativeUrl: baseUrl, secure: data.secure}, true),
|
|
site_url: siteUrl,
|
|
image_url: urlService.utils.urlFor({relativeUrl: 'favicon.png'}, true),
|
|
ttl: '60',
|
|
custom_namespaces: {
|
|
content: 'http://purl.org/rss/1.0/modules/content/',
|
|
media: 'http://search.yahoo.com/mrss/'
|
|
}
|
|
});
|
|
|
|
return data.posts.reduce((feedPromise, post) => {
|
|
return feedPromise.then(() => {
|
|
const item = generateItem(post, siteUrl, data.secure);
|
|
return feed.item(item);
|
|
});
|
|
}, Promise.resolve()).then(() => {
|
|
return feed.xml();
|
|
});
|
|
};
|
|
|
|
module.exports = generateFeed;
|