combine.fm/lib/services/itunes.js

108 lines
2.8 KiB
JavaScript

"use strict";
var parse = require('url').parse;
var request = require('superagent');
var Q = require('q');
module.exports.id = "itunes";
var apiRoot = "https://itunes.apple.com";
module.exports.match = function(url, type) {
var parsed = parse(url);
return parsed.host.match(/itunes.apple\.com$/);
};
module.exports.lookupId = function(id, type) {
var deferred = Q.defer();
var path = "/lookup?id=" + id;
request.get(apiRoot + path, function(res) {
var data = JSON.parse(res.text);
if (!data.results[0].collectionId) {
deferred.resolve({service: "itunes"});
} else {
var result = data.results[0];
var item = {
service: "itunes",
type: type,
id: result.collectionId,
name: result.trackName ? result.trackName : result.collectionName,
streamUrl: null,
purchaseUrl: result.collectionViewUrl,
artwork: "/itunes/" + result.artworkUrl100.replace("100x100", "200x200").replace("http://", ""),
artist: {
name: result.artistName
}
};
if (type == "track") {
item.album = {
name: result.collectionName
};
}
deferred.resolve(item);
}
});
return deferred.promise;
}
module.exports.search = function(data) {
var deferred = Q.defer();
var query = "";
var entity = "";
var type = data.type;
if (type == "album") {
query = data.artist.name + " " + data.name;
entity = "album";
} else if (type == "track") {
query = data.artist.name + " " + data.album.name + " " + data.name;
entity = "musicTrack";
}
var path = "/search?term=" + encodeURIComponent(query) + "&media=music&entity=" + entity;
request.get(apiRoot + path, function(res) {
var data = JSON.parse(res.text);
if (!data.results[0].collectionId) {
deferred.resolve({service: "itunes"});
} else {
var result = data.results[0];
var item = {
service: "itunes",
type: type,
id: result.collectionId,
name: result.trackName ? result.trackName : result.collectionName,
streamUrl: null,
purchaseUrl: result.collectionViewUrl,
artwork: "/itunes/" + result.artworkUrl100.replace("100x100", "200x200").replace("http://", ""),
artist: {
name: result.artistName
}
};
if (type == "track") {
item.album = {
name: result.collectionName
};
}
deferred.resolve(item);
}
});
return deferred.promise;
}
module.exports.parseUrl = function(url) {
var deferred = Q.defer();
var matches = parse(url).path.match(/\/(album|track)[\/]+([^\/]+)[\/]+([^\?]+)/);
if (matches && matches[3]) {
module.exports.lookupId(matches[3].substr(2), matches[1]).then(deferred.resolve);
}
return deferred.promise;
}