Created
September 7, 2017 03:50
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added all the functions to the library object
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var library = { | |
tracks: { t01: { id: "t01", | |
name: "Code Monkey", | |
artist: "Jonathan Coulton", | |
album: "Thing a Week Three" }, | |
t02: { id: "t02", | |
name: "Model View Controller", | |
artist: "James Dempsey", | |
album: "WWDC 2003"}, | |
t03: { id: "t03", | |
name: "Four Thirty-Three", | |
artist: "John Cage", | |
album: "Woodstock 1952"} | |
}, | |
playlists: { p01: { id: "p01", | |
name: "Coding Music", | |
tracks: ["t01", "t02"] | |
}, | |
p02: { id: "p02", | |
name: "Other Playlist", | |
tracks: ["t03"] | |
} | |
} | |
}, | |
printPlaylists: function (this) { | |
var play = this.playlists; | |
for (var key in play) { | |
var p = play[key]; | |
console.log(p.id, ':', p.name,'-', p.tracks.length, 'tracks'); | |
} | |
}, | |
printTracks : function (library) { | |
var track = library.tracks; | |
for (var key in track) { | |
var t = track[key]; | |
console.log(t.id, ':', t.name, 'by', t.artist, '(', t.album, ')'); | |
} | |
}, | |
printPlaylist function (playlistId) { | |
var output = {}; | |
var playlist = library.playlists[playlistId]; | |
if (playlistId === playlist.id) { | |
console.log(playlistId, ':', playlist.name,'-', playlist.tracks.length, 'tracks'); | |
} | |
for (var key in playlist.tracks) { | |
var trackid = playlist.tracks[key]; | |
var track = library.tracks[trackid]; | |
console.log(track.id, ':', track.name, 'by', track.artist, '(', track.album, ')'); | |
} | |
}, | |
printPlaylist: function (playlistId) { | |
var output = {}; | |
var playlist = library.playlists[playlistId]; | |
if (playlistId === playlist.id) { | |
console.log(playlistId, ':', playlist.name,'-', playlist.tracks.length, 'tracks'); | |
} | |
for (var key in playlist.tracks) { | |
var trackid = playlist.tracks[key]; | |
var track = library.tracks[trackid]; | |
console.log(track.id, ':', track.name, 'by', track.artist, '(', track.album, ')'); | |
} | |
}, | |
addTrackToPlaylist: function (trackId, playlistId) { | |
var tracksOfPlaylistId = library.playlists[playlistId].tracks; | |
tracksOfPlaylistId.push(trackId); | |
console.log(tracksOfPlaylistId); | |
}, | |
uid: function() { | |
return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1); | |
}, | |
addTrack: function (name, artist, album) { | |
var generatedId = uid(); | |
var newTrack = { id: generatedId, | |
name: name, | |
artist: artist, | |
album: album }; | |
library["tracks"][generatedId] = newTrack; | |
console.log(library.tracks[generatedId]); | |
}, | |
addPlaylist: function (name) { | |
var generatedId = uid(); | |
var newPlaylist = { id: generatedId, | |
name: name, | |
}; | |
library.playlists[generatedId] = newPlaylist; | |
console.log(library.playlists[generatedId]) | |
} | |
} | |
var printSearchResults = function(query) { | |
} |
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