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device-helper.js
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device-helper.js
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const request = require('request-promise-native');
const Fuse = require('fuse.js');
async function getDevices(req, cache) {
// If new session try to use cache
var devices = cache.get(req.getSession().details.user.userId + ":devices");
// Otherwise refresh by requesting
if (devices == undefined) {
try {
devices = await requestDevices(req, cache);
} catch (err) {
req.getSession().set("statusCode", err.statusCode);
devices = [];
}
}
return devices;
}
async function findDeviceByName(req, cache, nameQuery) {
var devices = await getDevices(req, cache);
const results = (new Fuse(devices, {
keys: ['name'],
threshold: 0.4, //TODO needs fine-tuning
})).search(nameQuery);
return (results.length) ? results[0].item : {};
}
function requestDevices(req, cache) {
return new Promise(function (resolve, reject) {
request.get({
url: "https://api.spotify.com/v1/me/player/devices",
// Send access token as bearer auth
auth: {
"bearer": req.getSession().details.user.accessToken
},
// Parse results as JSON
json: true
})
.then(function(body) {
var devices = body.devices || [];
req.getSession().set("devices", devices);
cache.set(req.getSession().details.user.userId + ":devices", devices);
resolve(devices);
})
.catch(reject);
});
}
module.exports = {
getDevices,
findDeviceByName,
requestDevices
};