itunesfm/bin/providers/OSXProvider.js

Sync last.fm play counts with your iTunes library.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const child_process_1 = require("child_process");
const MAX_BUFFER = 1024 * 1024 * 1024; // Track output can be very large
function Application(app) { } // stub for Flow
function osaPromise(fn, ...args) {
    return new Promise((resolve, reject) => {
        const jsonArgs = args.map((a) => JSON.stringify(a)).join(',');
        const functionCall = `JSON.stringify((${fn.toString()})(${jsonArgs}))`;
        const params = ['-l', 'JavaScript', '-e', functionCall];
        (0, child_process_1.execFile)('osascript', params, { maxBuffer: MAX_BUFFER }, (err, stdout) => {
            if (err) {
                reject(err);
                return;
            }
            try {
                if (stdout.trim() === '') {
                    resolve(undefined);
                }
                else {
                    resolve(JSON.parse(stdout));
                }
            }
            catch (e) {
                reject(new Error('Function did not return an object: ' + e.message));
            }
        });
    });
}
const OSXProvider = {
    async getTracks() {
        return await osaPromise(() => {
            var itunes = Application('Music');
            var tracks = itunes.libraryPlaylists[0].tracks;
            var result = {};
            for (var i = 0; i < tracks.length; i++) {
                var track = tracks[i];
                result[track.persistentID()] = {
                    name: track.name(),
                    artist: track.artist(),
                    playedCount: track.playedCount()
                };
            }
            return result;
        });
    },
    async updateTracks(counts) {
        await osaPromise((counts) => {
            var itunes = Application('Music');
            var tracks = itunes.libraryPlaylists[0].tracks;
            for (var i = 0; i < tracks.length; i++) {
                var track = tracks[i];
                var id = track.persistentID();
                if (counts[id]) {
                    track.playedCount = counts[id];
                }
            }
        }, counts);
    },
};
module.exports = OSXProvider;