Exercise-12-Retrieve-id-title-and-a-150x200-box-art-url-for-every-video.js

function() {
    var movieLists = [
            {
                name: "Instant Queue",
                videos : [
                    {
                        "id": 70111470,
                        "title": "Die Hard",
                        "boxarts": [
                            { width: 150, height:200, url:"http://cdn-0.nflximg.com/images/2891/DieHard150.jpg" },
                            { width: 200, height:200, url:"http://cdn-0.nflximg.com/images/2891/DieHard200.jpg" }
                        ],
                        "url": "http://api.netflix.com/catalog/titles/movies/70111470",
                        "rating": 4.0,
                        "bookmark": []
                    },
                    {
                        "id": 654356453,
                        "title": "Bad Boys",
                        "boxarts": [
                            { width: 200, height:200, url:"http://cdn-0.nflximg.com/images/2891/BadBoys200.jpg" },
                            { width: 150, height:200, url:"http://cdn-0.nflximg.com/images/2891/BadBoys150.jpg" }
                            
                        ],
                        "url": "http://api.netflix.com/catalog/titles/movies/70111470",
                        "rating": 5.0,
                        "bookmark": [{ id:432534, time:65876586 }]
                    }
                ]
            },
            {
                name: "New Releases",
                videos: [
                    {
                        "id": 65432445,
                        "title": "The Chamber",
                        "boxarts": [
                            { width: 150, height:200, url:"http://cdn-0.nflximg.com/images/2891/TheChamber150.jpg" },
                            { width: 200, height:200, url:"http://cdn-0.nflximg.com/images/2891/TheChamber200.jpg" }
                        ],
                        "url": "http://api.netflix.com/catalog/titles/movies/70111470",
                        "rating": 4.0,
                        "bookmark": []
                    },
                    {
                        "id": 675465,
                        "title": "Fracture",
                        "boxarts": [
                            { width: 200, height:200, url:"http://cdn-0.nflximg.com/images/2891/Fracture200.jpg" },
                            { width: 150, height:200, url:"http://cdn-0.nflximg.com/images/2891/Fracture150.jpg" },
                            { width: 300, height:200, url:"http://cdn-0.nflximg.com/images/2891/Fracture300.jpg" }
                        ],
                        "url": "http://api.netflix.com/catalog/titles/movies/70111470",
                        "rating": 5.0,
                        "bookmark": [{ id:432534, time:65876586 }]
                    }
                ]
            }
        ];
    
    
    // Use one or more map, mergeAll, and filter calls to create an array with the following items
    // [
    //     {"id": 675465,"title": "Fracture","boxart":"http://cdn-0.nflximg.com/images/2891/Fracture150.jpg" },
    //     {"id": 65432445,"title": "The Chamber","boxart":"http://cdn-0.nflximg.com/images/2891/TheChamber150.jpg" },                
    //     {"id": 654356453,"title": "Bad Boys","boxart":"http://cdn-0.nflximg.com/images/2891/BadBoys150.jpg" },
    //     {"id": 70111470,"title": "Die Hard","boxart":"http://cdn-0.nflximg.com/images/2891/DieHard150.jpg" }                
    // ];
    
  return movieLists.map(function(movie) {
	return movie.videos;
  }).mergeAll().map(function(vid) {
	return {id: vid.id, title: vid.title, boxart: vid.boxarts.filter(function(item) {
	  return item.width === 150;
	}).map(function(item) {
	return item.url;
	}).toString()};
  });	  
}