fedifeed/lib/convertv2.js
2019-07-31 12:13:56 -04:00

123 lines
2.9 KiB
JavaScript

var ejs = require('ejs');
var fs = require('fs');
var template = ejs.compile(fs.readFileSync('./lib/template.ejs', 'utf8'));
var timeAgo = require('timeago.js');
var request = require('request-promise-native')
// get JSON for an AP URL
async function apGet(url) {
return request.get( {
uri:url,
headers: {
"accept": "application/activity+json"
},
transform: function (body) {
return JSON.parse(body);
}
})
}
// accumulate a stream of XML into a html file
module.exports = async function (opts) {
var opts = opts;
var feedUrl = opts.feedUrl;
var userUrl = opts.userUrl;
var isIndex = false;
if (!userUrl) {
throw new Error('need user URL');
}
var user = await apGet(userUrl);
if (userUrl && !feedUrl) {
isIndex = true;
var outbox = await apGet(user.outbox);
feedUrl = outbox.first;
}
var feed = await apGet(feedUrl);
var items = itemsForFeed(feed);
var templateData = {
opts: opts,// from the request
meta: metaForUser(user),
items: itemsForFeed(feed),
nextPageLink: getNextPage(user,feed),
isIndex: isIndex
};
return template(templateData);
}
function metaForUser(user) {
return {
avatar: user.icon && user.icon.url?user.icon.url:null,
headerImage:user.image && user.image.url?user.image.url:null,
title: user.preferredUsername||null,
description: user.summary||null
}
}
// TODO make function
function itemsForFeed(feed) {
return feed.orderedItems.map((item)=>{
return {
isBoost:false,
title:'',
isReply:!!(item.object && item.object.inReplyTo),
hasCw:false,
cw:'',
atomHref:item.published?item.published.replace(/\W+/g,''):Math.random().toString().replace('.',''),
enclosures:[],//type, url
stringDate:item.published?getTimeDisplay(Date.parse(item.published)):'',
author:{
uri:'',// link to author page
avatar:'',// url of av
fullName:'',// display name
}
}
})
}
// TODO
function getNextPage(user,feed){
return null;
}
// utilities below
function getTimeDisplay(d) {
var d = d;
if (typeof d !== 'object') {
d = new Date(d);
}
// convert to number
dt = d.getTime();
var now = Date.now();
var delta = now - dt;
// over 6 days ago
if (delta > 1000 * 60 * 60 * 24 * 6) {
return isoDateToEnglish(d.toISOString());
} else {
return timeAgo().format(dt);
}
}
function isoDateToEnglish(d) {
var dt = d.split(/[t\-]/ig);
var months = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"];
return months[Number(dt[1]) - 1] + ' ' + dt[2] + ', ' + dt[0];
}