fore.st/src/channel/mediarefresher.js
2017-07-08 20:11:54 -07:00

134 lines
3.8 KiB
JavaScript

var Vimeo = require("cytube-mediaquery/lib/provider/vimeo");
var ChannelModule = require("./module");
var Config = require("../config");
var InfoGetter = require("../get-info");
const LOGGER = require('@calzoneman/jsli')('mediarefresher');
function MediaRefresherModule(channel) {
ChannelModule.apply(this, arguments);
this._interval = false;
this._media = null;
this._playlist = channel.modules.playlist;
}
MediaRefresherModule.prototype = Object.create(ChannelModule.prototype);
MediaRefresherModule.prototype.onPreMediaChange = function (data, cb) {
if (this._interval) clearInterval(this._interval);
this._media = data;
var pl = this._playlist;
switch (data.type) {
case "vi":
pl._refreshing = true;
return this.initVimeo(data, function () {
pl._refreshing = false;
cb(null, ChannelModule.PASSTHROUGH);
});
case "vm":
pl._refreshing = true;
return this.initVidme(data, function () {
pl._refreshing = false;
cb(null, ChannelModule.PASSTHROUGH);
});
default:
return cb(null, ChannelModule.PASSTHROUGH);
}
};
MediaRefresherModule.prototype.unload = function () {
try {
clearInterval(this._interval);
this._interval = null;
} catch (error) {
LOGGER.error(error.stack);
}
};
MediaRefresherModule.prototype.initVimeo = function (data, cb) {
if (!Config.get("vimeo-workaround")) {
if (cb) cb();
return;
}
const self = this;
self.channel.refCounter.ref("MediaRefresherModule::initVimeo");
Vimeo.extract(data.id).then(function (direct) {
if (self.dead || self.channel.dead) {
self.unload();
return;
}
if (self._media === data) {
data.meta.direct = direct;
self.channel.logger.log("[mediarefresher] Refreshed vimeo video with ID " +
data.id);
}
if (cb) cb();
}).catch(function (err) {
LOGGER.error("Unexpected vimeo::extract() fail: " + err.stack);
if (cb) cb();
}).finally(() => {
self.channel.refCounter.unref("MediaRefresherModule::initVimeo");
});
};
MediaRefresherModule.prototype.initVidme = function (data, cb) {
var self = this;
self.refreshVidme(data, cb);
/*
* Refresh every 55 minutes.
* The expiration is 1 hour, but refresh 5 minutes early to be safe
*/
self._interval = setInterval(function () {
self.refreshVidme(data);
}, 55 * 60 * 1000);
};
MediaRefresherModule.prototype.refreshVidme = function (media, cb) {
var self = this;
if (self.dead || self.channel.dead) {
self.unload();
return;
}
self.channel.refCounter.ref("MediaRefresherModule::refreshVidme");
InfoGetter.getMedia(media.id, "vm", function (err, data) {
if (self.dead || self.channel.dead) {
return;
}
if (err) {
self.channel.logger.log("[mediarefresher] Vidme refresh failed: " + err);
self.channel.refCounter.unref("MediaRefresherModule::refreshVidme");
if (cb) {
process.nextTick(cb);
}
return;
}
if (media !== self._media) {
self.channel.refCounter.unref("MediaRefresherModule::refreshVidme");
if (cb) {
process.nextTick(cb);
}
return;
}
self.channel.logger.log("[mediarefresher] Refreshed Vidme video with ID " +
media.id);
media.meta = data.meta;
self.channel.refCounter.unref("MediaRefresherModule::refreshVidme");
if (cb) {
process.nextTick(cb);
}
});
}
module.exports = MediaRefresherModule;