add legacy scripts/ds2010-resources.js for reference

This commit is contained in:
Astro 2012-11-24 00:31:13 +01:00
parent 1806a73561
commit 6b9a9e26f8
1 changed files with 107 additions and 0 deletions

107
scripts/ds2010-resources.js Normal file
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var SLUGS = {
4509: "hostproofzerofootprintweb20",
4510: "verdecktekanaele",
4573: "dezentralegeldschoepfung",
4602: "micropayment",
4608: "x2go",
4612: "unhosted",
4614: "angriffistdiebesteverteidigung",
4627: "0zapftisdiejagdaufdenstaatstrojaner",
4643: "hackawar_teil1"
};
var ltx = require('ltx');
var http = require('http');
var fs = require('fs');
var url = require('url');
var running = 0, queue = [];
function resolveSizes(urls, cb) {
if (running > 0) {
queue.push(function() {
resolveSizes(urls, cb);
});
return;
}
running++;
urls = urls.map(url.parse);
var cl = http.createClient(urls[0].port || 80, urls[0].hostname);
var pending = 0, results = [],
done = function() {
if (pending < 1) {
cb(results);
running--;
var f = queue.shift();
f && f();
}
};
urls.forEach(function(u) {
var req = cl.request('HEAD', u.pathname, { Host: u.host });
req.end();
req.on('response', function(res) {
if (res.statusCode === 200)
results.push({ url: url.format(u),
size: res.headers['content-length'] });
pending--;
done();
});
pending++;
});
done();
}
function mimeByExt(url) {
var ext = url.split('.').pop();
var type = ({ mp4: 'video/mp4',
avi: 'video/avi',
webm: 'video/webm',
ogv: 'video/ogg',
flv: 'video/x-flv' })[ext];
return type || 'application/octet-stream';
}
var scheduleFile = fs.readFileSync('content/static/datenspuren/2011/fahrplan/schedule.de.xml');
var schedule = ltx.parse(scheduleFile);
schedule.getChildren('day').forEach(function(dayEl) {
dayEl.getChildren('room').forEach(function(roomEl) {
roomEl.getChildren('event').forEach(function(eventEl) {
var id = eventEl.attrs.id;
var title = eventEl.getChildText('title');
var base = 'http://ftp.c3d2.de/datenspuren/2011/ds11_' + id + '_' + SLUGS[id] + '.';
var urls = ['avi', 'mp4', 'webm', 'ogv', 'flv'].map(function(fmt) {
return base + fmt;
});
resolveSizes(urls, function(infos) {
infos = infos.filter(function(i) {
return i.size !== undefined;
});
if (infos.length < 1)
return;
var res = new ltx.Element('resource',
{ title: title,
size: infos[0].size,
type: mimeByExt(infos[0].url),
url: infos[0].url,
preview: base + 'gif',
poster: base + 'jpg',
hide: 'yes' });
infos.slice(1).forEach(function(info) {
res.c('alternative', { size: info.size,
type: mimeByExt(info.url),
url: info.url });
});
console.info(res.toString());
});
});
});
});