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web.js
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web.js
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var connect = require('connect')
, semver = require('semver')
, async = require('async')
, npm = require('npm')
, url = require('url')
, H25 = 25 * 60 * 60 * 1000 // 25 hours
function req_handler(req, res) {
function _newVersionInfo(info) {
info = info[Object.keys(info)[0]]
var latest = info.versions[info.versions.length - 1]
, previous = info.versions[info.versions.length - 2]
, latestTime = new Date(info.time[latest])
, lastCheck = new Date(parseInt(req.query.last_check,10)
|| Date.now() - H25)
, url = ''
;(info.repository||{}).url && (url = info.repository.url
.replace(/^git:/, 'https:')
.replace(/\.git$/, ''));
url += '/compare/%…$'
.replace('%', previous)
.replace('$', latest)
console.log(lastCheck)
return latestTime > lastCheck ? [latest, url] : undefined
}
function _iterator(memo, pkgName, cb) {
npm.commands.info([pkgName], function(err, info) {
if (err) return cb();
cb(null, (memo[pkgName] = _newVersionInfo(info), memo))
})
}
if (! ('packages' in req.query))
return res.statusCode=400, res.end('no packages listed');
var packages = req.query.packages.split(',')
async.reduce(packages, {}, _iterator, function(err, newVersions) {
res.setHeader('Content-Type', "application/json; charset=utf-8")
res.end(JSON.stringify(newVersions))
})
}
// stringify
function GOGO_GADGET_SERVER() {
var app = connect()
.use(connect.logger('dev'))
.use(connect.query())
.use(req_handler)
.listen(process.env.PORT || 5000)
console.log('\n~ Listening on port 5000 ~\n')
}
npm.load({}, GOGO_GADGET_SERVER)