src/index.js
'use strict';
const axios = require('axios');
const axiosExtensions = require('axios-extensions');
const url = require('url');
const qs = require('qs');
/**
* TuneIn class, the main class implementing the module
*
* @example
* let tuneinOptions = {
* protocol: 'https', // Protocol to use, either http or https
* cacheRequests: true, // Wheter to cache results or not, default false
* cacheTTL: 1000 * 60 * 60, // Cache TTL, default 5 minutes
* partnerId: process.env.TUNEIN_PARTNERID, // PartnerID to be used when interacting with the TuneIn API
* };
*
* let tunein = new TuneIn(tuneinOptions);
*/
module.exports = class TuneIn {
/**
* Constructur for a TuneIn object.
* @param {object} options this is an options object with all the optionals parameters used to initialise the TuneIn client
* @example
* let tuneinOptions = {
* protocol: 'https', // Protocol to use, either http or https
* cacheRequests: true, // Wheter to cache results or not, default false
* cacheTTL: 1000 * 60 * 60, // Cache TTL, default 5 minutes
* partnerId: process.env.TUNEIN_PARTNERID, // PartnerID to be used when interacting with the TuneIn API
* };
*/
constructor(options) {
options = options || {};
let protocol = options.protocol || 'https';
let cacheRequests = options.cacheRequests || false;
let cacheTTL = options.cacheTTL || 1000 * 60 * 10;
let partnerId = options.partnerId || '';
axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';
axios.defaults.baseURL = protocol + '://opml.radiotime.com';
axios.defaults.params = {
render: 'json'
};
if (cacheRequests === true) {
axios.defaults.adapter = axiosExtensions.cacheAdapterEnhancer(
axios.defaults.adapter,
true,
'cache',
cacheTTL
);
}
if (partnerId != '') {
axios.defaults.params.partnerId = partnerId;
}
}
/**
* Search TuneIn for a match
* @param {string} query a query string to search for in the TuneIn catalog
* @example
* let queryString = 'rai radio';
* let search = tunein.search(queryString);
* search.then(function(results) {
* console.log(results);
* });
*/
search(query) {
let req = {};
req.params = {};
req.url = '/Search.ashx';
req.params.query = query;
return this._call_tunein_get(req);
}
/**
* @private
*/
_call_tunein_get(req) {
return new Promise( (resolve, reject) => {
axios.get(req.url, req)
.then(function(results) {
let head = results.data.head;
if (head.status != 200) {
reject(results.data);
return new Error(`TuneIn Request error: ${head.fault}`);
}
for (var i in results.data.body) {
if (results.data.body[i].URL) {
results.data.body[i].URLObj = url.parse(results.data.body[i].URL, true);
}
}
return resolve((results.data));
})
.catch(function(err) {
return new Error(`TuneIn Request error: ${err}`);
});
});
}
/**
* @private
*/
_call_tunein_post(req, postData) {
return new Promise( (resolve, reject) => {
axios.post(req.url, qs.stringify(postData), req)
.then(function(results) {
let head = results.data.head;
if (head.status != 200) {
reject(results.data);
return new Error(`TuneIn Request error: ${head.fault}`);
}
return resolve((results.data));
})
.catch(function(err) {
return new Error(`TuneIn Request error: ${err}`);
});
});
}
/**
* Tune a stream. This will return an object containing details for the specific stream, including URL and format.
* @param {string} id The ID of the stream to tune, usually resulting from a browsing or a search call
*/
tune_radio(id) {
let req = {};
req.params = {};
req.url = '/Tune.ashx';
req.params.id = id;
return this._call_tunein_get(req);
}
/**
* Describe a stream. This method will retrieve detailed information about a stream.
*
* @param {string} id The ID of the stream to fetch information for
* @param {boolean} nowplaying If true it also fetches information about the show being currently aired
*/
describe(id, nowplaying = false) {
let req = {};
req.params = {};
req.url = '/Describe.ashx';
if (nowplaying == true) {
req.params.c = 'nowplaying';
}
req.params.id = id;
return this._call_tunein_get(req);
}
/**
* Authenticate with supplied username / password, to get access to favorite and customised results
* @param {object} options Options to be passed to the POST call, must contain user's credential
* @example
* let authOptions = {
* username: 'user@example.com',
* password: 'secretpassword'
* };
* let auth = tunein.authenticate(authOptions);
* auth.then(function(results) {
* console.log(results[0].AccountId);
* });
*/
authenticate(options) {
options = options || {};
let req = {};
req.url = '/Account.ashx';
req.params = {};
req.params.c = 'auth';
return this._call_tunein_post(req, options);
}
/**
* @private
*/
_call_browse(options, req) {
options = options || {};
let c = options.c || '';
let id = options.id || '';
let filter = options.filter || '';
let offset = options.offset || '';
let pivot = options.pivot || '';
let username = options.username || '';
if (c) {
req.params.c = c;
}
if (id) {
req.params.id = id;
}
if (filter) {
req.params.filter = filter;
}
if (offset) {
req.params.offset = offset;
}
if (pivot) {
req.params.pivot = pivot;
}
if (username) {
req.params.username = username;
}
return this._call_tunein_get(req);
}
/**
* Browse a podcast (Show) for episodes details
* @param {object} options - Options object including the show ID
* @example
* let showOptions = {
* c: 'pbrowse',
* id: 'p191418'
* };
* let show = tunein.browse_show(showOptions);
* show.then(function(results) {
* console.log(results);
* });
*/
browse_show(options) {
let req = {};
req.params = {};
req.url = '/Tune.ashx';
return this._call_browse(options, req);
}
/**
* Browse will browse the TuneIn directory depending on the supplied options paramethers
*
* @param {object} options - Options object for browsing
* @return {object} results - A JSON object with results from the remote API
*/
browse(options) {
let req = {};
req.params = {};
req.url = '/Browse.ashx';
return this._call_browse(options, req);
}
/**
* Browse the local streams category
* @param {string} username - Currently ignored
*/
browse_local(username) {
return this.browse({c: 'local', username: username});
}
/**
* Browse the Music streams category
* @param {string} username - Currently ignored
*/
browse_music(username) {
return this.browse({c: 'music'});
}
/**
* Browse the talk streams category
* @param {string} username - Currently ignored
*/
browse_talk(username) {
return this.browse({c: 'talk'});
}
/**
* Browse the sports streams category
* @param {string} username - Currently ignored
*/
browse_sports(username) {
return this.browse({c: 'sports'});
}
/**
* Browse streams locations
* @param {string} username - Currently ignored
*/
browse_locations(username) {
return this.browse({id : 'r0'});
}
/**
* Browse streams languages
* @param {string} username - Currently ignored
*/
browse_langs(username) {
return this.browse({c: 'lang'});
}
/**
* Browse the podcasts directory
* @param {string} username - Currently ignored
*/
browse_podcast(username) {
return this.browse({c: 'podcast'});
}
/**
* Browse the popular streams category
* @param {string} username - Currently ignored
*/
browse_popular(username) {
return this.browse({c: 'popular'});
}
/**
* Browse the best streams category
* @param {string} username - Currently ignored
*/
browse_best(username) {
return this.browse({c: 'best'});
}
}
