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index.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html" charset="UTF-8">
<title>SpotMyBackup</title>
<script type="text/javascript" src="config.json"></script>
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js"></script>
<link href='http://fonts.googleapis.com/css?family=Lato:100,300,400,700,900,100italic,300italic,400italic,700italic,900italic&subset=latin,latin-ext' rel='stylesheet' type='text/css'>
<style type='text/css'>
body {
padding: 0;
margin: 0;
font-family: 'Lato', sans-serif;
background: url(./gplaypattern.png) repeat;
background-size: 188px 178px;
}
.container {
width: 640px;
margin-left: auto;
margin-right: auto;
}
.footer {
position: fixed;
bottom: 0;
width: 100%;
}
.heading {
color: #444;
font-size: 24px;
background-color: rgba(255,255,255,0.9);
border-bottom: solid 1px #eaeaea;
width: 100%;
z-index: 500;
padding: 12px;
}
.button-main {
font-size: 18px;
font-weight: 600;
line-height: 1.5;
color: #fff;
background-color: #2ebd59;
display: inline-block;
margin-bottom: 0;
text-align: center;
vertical-align: middle;
cursor: pointer;
background-image: none;
border: 1px solid transparent;
white-space: nowrap;
border-radius: 500px;
padding: 12px 47px 8px;
border-width: 0;
letter-spacing: 1.2px;
min-width: 130px;
text-transform: uppercase;
white-space: normal;
margin: 0 0 1em;
}
.button-big {
margin-left: 150px;
}
.button-medium {
margin-left: 80px;
}
.title-bold {
font-weight: bold;
font-size: 44px;
}
.title-light {
font-weight: 300;
color: #555;
font-size: 44px;
}
.title-medium {
font-weight: bold;
font-size: 18px;
}
.progress-bar {
width: 0%;
background-color: #86e01e;
position: relative;
height: 16px;
border-radius: 4px;
-webkit-transition: 0.4s linear;
-moz-transition: 0.4s linear;
-o-transition: 0.4s linear;
transition: 0.4s linear;
-webkit-transition-property: width, background-color;
-moz-transition-property: width, background-color;
-o-transition-property: width, background-color;
transition-property: width, background-color;
-webkit-box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.25), inset 0 1px rgba(255, 255, 255, 0.1);
box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.25), inset 0 1px rgba(255, 255, 255, 0.1);
}
.progress {
width: 100%;
padding: 4px;
margin-top: 10px;
}
.link {
font-size: 14px;
padding: 5px 15px;
color: #121F59;
text-decoration: none;
}
.link:hover {
color: #A2C852;
}
</style>
</head>
<body>
<a href="https://github.com/secuvera/SpotMyBackup/"><img style="position: absolute; top: 0; left: 0; border: 0;" src="https://camo.githubusercontent.com/121cd7cbdc3e4855075ea8b558508b91ac463ac2/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f6c6566745f677265656e5f3030373230302e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_left_green_007200.png"></a>
<div class="container">
<div class="heading">
<span class="title-bold">Spot</span><span class="title-light">My</span><span class="title-bold">Backup</span>
<br/>
<br/>
<div id="pnlLoggedOut">
<span><b>Export</b> your playlists and tracks setup into a file by a single click. <b>Import</b> the file to restore your setup at any time.</span>
<br/>
<br/>
<button id="login" class="button-main button-big">Login with Spotify</button>
</div>
</div>
<div id="pnlLoadingAccount" style="font-size: 16px; display: none;" class="heading">
<div class="title-medium">Account: <span id="userName"></span></div>
<br/>
<div id="loadingPlaylists"></div>
<div id="loadingTracks"></div>
<br/>
<div id="loadingTitle"></div>
</div>
<div id="pnlAction" style="overflow: hidden; display: none;">
<br/>
<div style="width: 50%; float: left;">
<button id="btnExport" class="button-main button-medium">Export</button>
</div>
<div style="width: 50%; float: left;">
<button id="btnImport" class="button-main button-medium">Import</button>
</div>
</div>
<div id="pnlImport" style="font-size: 16px; overflow: hidden; display: none;" class="heading">
<div id="pnlFile" style="">
<div style="float: left;">Select a previously exported file</div>
<input style="float: left; margin-left: 10px;" type="file" id="fileImport" />
</div>
<div id="pnlFileInfo" style="display: none;">
<div class="title-medium">File: <span id="fileName"></span></div>
<br/>
<div id="filePlaylists"></div>
<div id="fileTracks"></div>
</div>
</div>
<div id="pnlUpload" style="font-size: 16px; overflow: hidden; display: none;" class="heading">
<div class="title-medium">Importing new playlists and tracks</div>
<br/>
<div><span>Processed playlists: </span><span id="playlistStep"></span>/<span id="playlistTotal"></span></div>
<div><span>Processed tracks: </span><span id="trackStep"></span>/<span id="trackTotal"></span></div>
<br/>
<div id="globalStep"></div>
<div class="progress">
<div id="progressBar" class="progress-bar" style="display: none;"></div>
</div>
</div>
</div>
<div class="footer">
<div class="container" style="background-color: rgba(255,255,255,0.9); border-bottom: solid 1px #eaeaea; overflow: hidden;">
<a href="https://github.com/secuvera/SpotMyBackup/wiki" style="float: left;" class="link">Wiki</a>
<a href="https://www.secuvera.de/unternehmen/impressum/" style="float: right;" class="link">Impress</a>
</div>
</div>
<script type='text/javascript'>
var conf = config;
var authWindow = null;
var token = null;
var userId = '';
var collections = {};
var name = 'spotify';
var isImporting = false;
var isExporting = false;
var globalStep = "";
var playlistStep = 0;
var trackStep = 0;
var trackTotal = 0;
var playlistQueue = [];
var savedQueue = [];
var makingChanges = false;
function refreshTrackData(callback) {
if (!isExporting && !isImporting) {
isExporting = true;
resetCounter();
$('#pnlLoadingAccount').show();
$('#loadingTitle').html('Please wait. Loading your playlists and tracks ...');
refreshPlaylist(function () {
refreshMyMusicTracks(function () {
// refreshStarredTracks(function () {
$('#loadingTitle').html('Finished loading, you now might want to export or import.');
isExporting = false;
callback();
// });
});
});
}
}
function resetCounter() {
globalStep = '';
playlistStep = 0;
playlistTotal = 0;
trackStep = 0;
trackTotal = 0;
}
function refreshProgress() {
$('#globalStep').html(globalStep);
$('#playlistStep').html(playlistStep);
$('#playlistTotal').html(playlistTotal);
$('#trackStep').html(trackStep);
$('#trackTotal').html(trackTotal);
var progress = 0;
if (trackTotal > 0) {
var progress = Math.floor(((trackStep / trackTotal) * 100));
}
$('#progressBar').css('width', progress+'%')
if (typeof collections !== 'undefined' && !makingChanges) {
var set = collectionProperties(collections);
$('#loadingPlaylists').html(""+set.playlistCount+" playlists");
$('#loadingTracks').html(""+set.trackCount+" tracks");
}
if (typeof importColl !== 'undefined') {
var set2 = collectionProperties(importColl);
$('#filePlaylists').html(""+set2.playlistCount+" playlists");
$('#fileTracks').html(""+set2.trackCount+" tracks");
}
setTimeout(refreshProgress, 1000);
}
function login() {
var width = 480, height = 640;
var left = (screen.width / 2) - (width / 2);
var top = (screen.height / 2) - (height / 2);
var set = {
client_id: conf.client_id,
redirect_uri: conf.redirect_uri,
scope: 'playlist-read playlist-read-private playlist-modify-public playlist-modify-private user-library-read user-library-modify',
response_type: 'token',
show_dialog: 'true'
};
authWindow = window.open(
"https://accounts.spotify.com/authorize?" + urlEncodeSet(set),
"Spotify",
'menubar=no,location=no,resizable=no,scrollbars=no,status=no, width=' + width + ', height=' + height + ', top=' + top + ', left=' + left
);
}
function authCallback(event){
if (event.origin !== conf.uri) {
console.log("config.uri missconfigured:");
console.log({ uri: conf.uri, origin: origin });
return;
}
if (authWindow) {
authWindow.close();
}
handleAuth(event.data);
}
function urlEncodeSet(set) {
var comps = [];
for (var i in set) {
if (set.hasOwnProperty(i)) {
comps.push(encodeURIComponent(i)+"="+encodeURIComponent(set[i]));
}
}
var string = comps.join("&");
return string;
}
function download(filename, text) {
var pom = document.createElement('a');
pom.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
pom.setAttribute('download', filename);
if (document.createEvent) {
var event = document.createEvent('MouseEvents');
event.initEvent('click', true, true);
pom.dispatchEvent(event);
}
else {
pom.click();
}
}
function readFile(evt) {
//Retrieve the first (and only!) File from the FileList object
var f = evt.target.files[0];
if (f) {
$('#fileName').html(f.name);
var r = new FileReader();
r.onload = function(e) {
var json = e.target.result;
importColl = JSON.parse(json);
$('#pnlFile').hide();
$('#pnlFileInfo').show();
$('#pnlUpload').show();
compareEverything();
}
r.readAsText(f);
} else {
alert("Failed to load file");
}
}
function collectionProperties(coll) {
return { playlistCount: collPlaylistCount(coll), trackCount: collTrackCount(coll) };
}
function collTrackCount(coll) {
var count = 0;
var keys = _.keys(coll.playlists);
$.each(keys, function (index, value) {
count += coll.playlists[value].tracks.length;
});
if (coll.starred) {
count += coll.starred.length;
}
if (coll.saved) {
count += coll.saved.length;
}
return count;
}
function collPlaylistCount(coll) {
var keys = _.keys(coll.playlists);
var count = keys.length + 1;
if (!("importedStarred" in keys)) {
count++;
}
return count;
}
function compareEverything() {
if (!isImporting && !isExporting) {
isImporting = true;
makingChanges = true;
resetCounter();
savedQueue = [];
playlistQueue = [];
globalStep = "Uploading";
if (typeof importColl !== 'undefined') {
playlistTotal = collPlaylistCount(importColl);
// TONOTDO:compare starred -> can not really do that since there is no api to manipulate those
// instead we just create a replacement-standard-list
globalStep = "Comparing starred tracks";
makeSureImportedStarredExists(function (proceed) {
if (importColl.starred && importColl.starred.length > 0) {
compareUriTracks(importColl.starred, collections.starred, addToStarred);
}
// compare saved
globalStep = "Comparing saved tracks";
compareIdTracks(importColl.saved, collections.saved, addToSaved);
playlistStep += 1;
// compare other playlists
var playlistNames = _.keys(importColl.playlists);
globalStep = "Comparing custom playlists";
handlePlaylistCompare(playlistNames.reverse(), function () {
handleTrackUpload();
});
});
}
}
}
function handleTrackUpload() {
trackDiff = savedQueue.length + playlistQueue.length;
trackTotal = Math.max(collTrackCount(importColl), trackDiff);
trackStep = trackTotal - trackDiff;
if (trackTotal > 0) {
$('#progressBar').show();
globalStep = "Uploading tracks";
handleSavedRequests(savedQueue.reverse(), function () {
handlePlaylistRequests(playlistQueue.reverse(), function () {
globalStep = "Finished uploading";
trackTotal = trackStep;
isImporting = false;
});
});
} else {
globalStep = "No new tracks found in import";
}
}
function handlePlaylistCompare(names, callback) {
var name = names.pop();
if (!name) {
callback();
return;
}
makeSurePlaylistExists(name, function (proceed) {
if (proceed) {
var playlistId = collections.playlists[name].id;
compareUriTracks(importColl.playlists[name].tracks, collections.playlists[name].tracks, function (uri) {
addToPlaylist(playlistId, uri);
});
}
handlePlaylistCompare(names, callback);
});
}
function addToPlaylist(playlistId, trackUri) {
playlistQueue.push('https://api.spotify.com/v1/users/' + userId + '/playlists/' + playlistId + '/tracks?uris=' + encodeURIComponent(trackUri));
}
function makeSurePlaylistExists(name, callback) {
playlistStep += 1;
if (name in collections.playlists) {
callback(true);
return;
}
var set = { name: name, public: "true" };
$.ajax({
method: "POST",
url: 'https://api.spotify.com/v1/users/' + userId + '/playlists',
data: JSON.stringify(set),
contentType: 'application/json',
headers: {
'Authorization': 'Bearer ' + token
},
success: function(response) {
// alert(JSON.stringify(response));
collections.playlists[response.name] = {
name: response.name,
href: response.tracks.href,
id: response.id,
tracks: []
};
callback(true);
},
fail: function () {
callback(false);
}
});
}
function makeSureImportedStarredExists(callback) {
var name = 'importedStarred';
makeSurePlaylistExists(name, callback);
}
function addToStarred(trackUri) {
var name = 'importedStarred';
var playlistId = collections.playlists[name].id;
uriInTracks(trackUri, collections.playlists[name].tracks, function (uri) {
addToPlaylist(playlistId, uri);
});
}
function handleSavedRequests(arr, callback) {
var url = arr.pop();
if (url) {
trackStep += 1;
$.ajax({
method: "PUT",
url: url,
headers: {
'Authorization': 'Bearer ' + token
},
success: function () {
},
fail: function (jqXHR, textStatus, errorThrown) {
console.log(errorThrown);
}
})
.always(function () {
handleSavedRequests(arr, callback);
});
} else {
callback();
}
}
function handlePlaylistRequestsWithTimeout(arr, callback) {
setTimeout(function() { console.log("Fast runners are dead runners"); handlePlaylistRequests(arr, callback) }, conf.slowdown_import);
}
function handlePlaylistRequests(arr, callback) {
var url = arr.pop();
if (url) {
trackStep += 1;
$.ajax({
method: "POST",
url: url,
contentType: 'application/json',
headers: {
'Authorization': 'Bearer ' + token
},
success: function(response) {
// collections.playlists[response.name] = {
// id: response.id,
// uri: response.uri
// };
},
fail: function (jqXHR, textStatus, errorThrown) {
console.log(errorThrown);
}
})
.always(function () {
handlePlaylistRequestsWithTimeout(arr, callback);
})
} else {
callback();
}
}
function uriInTracks(uri, tracks, addCallback) {
var found = false;
$.each(tracks, function (index, value) {
if (value.uri == uri) {
found = true;
}
});
if (!found) {
addCallback(uri);
}
}
function addToSaved(id) {
savedQueue.push('https://api.spotify.com/v1/me/tracks?ids='+id);
}
function compareUriTracks(imported, stored, addCallback) {
$.each(imported, function (index, value) {
var found = false;
$.each(stored, function (index2, value2) {
if (value.uri == value2.uri) {
found = true;
}
});
if (!found) {
addCallback(value.uri);
}
});
}
function compareIdTracks(imported, stored, addCallback) {
$.each(imported, function (index, value) {
var found = false;
$.each(stored, function (index2, value2) {
if (value.id == value2.id) {
found = true;
}
});
if (!found) {
addCallback(value.id);
}
});
}
function bindControls() {
$('#btnImport').click(function () {
$('#pnlAction').hide();
$('#pnlImport').show();
});
$('#btnExport').click(function () {
var json = JSON.stringify(collections);
var d = new Date();
var time = '@' + d.getFullYear() + '_' + (d.getMonth() + 1) + '_' + d.getDate();
download(name+time+'.json', json);
});
$('#fileImport').change(readFile);
}
function handleAuth(accessToken) {
token = accessToken;
// fetch my public playlists
$.ajax({
url: 'https://api.spotify.com/v1/me',
headers: {
'Authorization': 'Bearer ' + accessToken
},
success: function(response) {
var user_id = response.id.toLowerCase();
userId = user_id;
name = user_id;
$('#userName').html(name);
$('#pnlLoggedOut').hide();
refreshTrackData(function () {
$('#pnlAction').show();
});
}
});
}
function refreshMyMusicTracks(callback) {
collections.saved = [];
playlistStep += 1;
loadTrackChunks('https://api.spotify.com/v1/me/tracks', collections.saved, callback);
}
// DEPRECATED
// function refreshStarredTracks(callback) {
// collections.starred = [];
// playlistStep += 1;
// loadStarred('https://api.spotify.com/v1/users/' + userId + '/starred', collections.starred, callback)
// }
// DEPRECATED
// function loadStarred(url, arr, callback) {
// $.ajax({
// url: url,
// headers: {
// 'Authorization': 'Bearer ' + token
// },
// success: function(data) {
// if (!data) return;
// if ('tracks' in data) {
// loadTrackChunks(data.tracks.href, arr, callback);
// } else {
// callback();
// }
// }
// });
// }
function loadTrackChunksWithTimeout(url, arr, callback, timeout) {
setTimeout(function() { console.log("Taking breath, not to fast my cheetah"); loadTrackChunks(url, arr, callback) }, conf.slowdown_export);
}
function loadTrackChunks(url, arr, callback) {
$.ajax({
url: url,
headers: {
'Authorization': 'Bearer ' + token
},
success: function (data) {
if (!data) return;
if ('items' in data) {
$.each(data.items, function (index, value) {
if(value.track !== null){
arr.push({ id: value.track.id, uri: value.track.uri });
}else{
console.log("track is null", value);
}
});
} else {
arr.push({ id: data.track.id, uri: data.track.uri });
}
if (data.next) {
loadTrackChunksWithTimeout(data.next, arr, callback);
} else {
callback();
}
}
});
}
function refreshPlaylist(callback) {
collections.playlists = {};
var playlists = [];
loadPlaylistChunks('https://api.spotify.com/v1/users/' + userId + '/playlists', playlists, function () {
handlePlaylistTracks(playlists, collections.playlists, callback);
});
}
function loadPlaylistChunks(url, arr, callback) {
$.ajax({
url: url,
headers: {
'Authorization': 'Bearer ' + token
},
success: function (data) {
if (!data) return;
if ('items' in data) {
$.each(data.items, function (index, value) {
if (value.tracks && value.tracks.href) {
arr.push({
name: value.name,
href: value.tracks.href,
id: value.id,
tracks: []
});
}
});
} else {
if (data.tracks && data.tracks.href) {
arr.push({
name: data.name,
href: data.tracks.href,
id: value.id,
tracks: []
});
}
}
if (data.next) {
loadPlaylistChunks(data.next, arr, callback);
} else {
callback();
}
}
});
}
function handlePlaylistTracks(arr, result, callback) {
var item = arr.pop();
if (!item) {
return callback();
}
playlistStep += 1;
item.tracks = [];
loadTrackChunks(item.href, item.tracks, function () {
delete item.href;
result[item.name] = item;
if (arr.length == 0) {
callback();
} else {
handlePlaylistTracks(arr, result, callback);
}
});
}
window.onload = function() {
if (navigator.userAgent.indexOf('MSIE') !== -1 || navigator.appVersion.indexOf('Trident/') > 0) {
// MSIE
$('#pnlLoggedOut').html('Please use Firefox or Chrome, due to a bug in Internet Explorer');
} else {
$('#login').click(login);
window.addEventListener("message", authCallback, false);
bindControls();
refreshProgress();
}
}
</script>
</body>
</html>