combine.fm/routes/share.js

81 lines
2.3 KiB
JavaScript

"use strict";
var path = require('path');
var Q = require('q');
var services = {};
require("fs").readdirSync(path.join(__dirname, "..", "lib", "services")).forEach(function(file) {
var service = require("../lib/services/" + file);
if (service.search) {
services[service.id] = service;
}
});
module.exports = function(req, res, next) {
var serviceId = req.params.service;
var type = req.params.type;
var itemId = req.params.id;
var promises = [];
if (!services[serviceId] || (type != "album" && type != "track")) {
next();
return;
}
req.db.matches.findOne({_id:serviceId + itemId}).then(function(doc) {
if (doc) {
res.render(type, {
page: type,
title: doc.items[0].name + " by " + doc.items[0].artist.name,
items: doc.items,
thisUrl: req.userProtocol + '://' + req.get('host') + req.originalUrl
});
} else {
Q.timeout(services[serviceId].lookupId(itemId, type), 5000).then(function(item) {
for (var id in services) {
if (id != serviceId) {
promises.push(Q.timeout(services[id].search(item), 5000));
}
}
Q.allSettled(promises).then(function(results) {
var items = results.map(function(result) {
if (result.state == "fulfilled") {
return result.value;
}
}).filter(function(result) {
return result || false;
});
items.sort(function(a, b) {
return !a.id || !b.id;
}).sort(function(a, b) {
return !a.streamUrl || b.streamUrl;
}).sort(function(a, b) {
return a.type == "video" && b.type != "video";
});
items.unshift(item);
req.db.matches.save({_id:serviceId + itemId, items:items});
res.render(type, {
page: type,
title: item.name + " by " + item.artist.name,
items: items,
thisUrl: req.userProtocol + '://' + req.get('host') + req.originalUrl
});
});
}, function(error) {
if (error.code == "ETIMEDOUT") {
error = new Error("Error talking to music service");
error.status = "502";
} else if (!error.status) {
error = new Error("An unexpected error happenend");
error.status = 500;
}
next(error);
});
}
});
};