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arrays-to-tree.js
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arrays-to-tree.js
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// {"category": "FP", "notes": "Converting from arrays to a deeper tree"}
/*
Create a JSON response of movie lists with each video's id, title,
bookmark time, and smallest box art url.
*/
'use strict';
import { MyArray } from '../lib/my-array.js';
let lists = [
{
'id': 5434364,
'name': 'New Releases'
},
{
'id': 65456475,
name: 'Thrillers'
}
];
let videos = [
{
'listId': 5434364,
'id': 65432445,
'title': 'The Chamber'
},
{
'listId': 5434364,
'id': 675465,
'title': 'Fracture'
},
{
'listId': 65456475,
'id': 70111470,
'title': 'Die Hard'
},
{
'listId': 65456475,
'id': 654356453,
'title': 'Bad Boys'
}
];
let boxarts = [
{
videoId: 65432445,
width: 130,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/TheChamber130.jpg'
},
{
videoId: 65432445,
width: 200,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/TheChamber200.jpg'
},
{
videoId: 675465,
width: 200,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/Fracture200.jpg'
},
{
videoId: 675465,
width: 120,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/Fracture120.jpg'
},
{
videoId: 675465,
width: 300,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/Fracture300.jpg'
},
{
videoId: 70111470,
width: 150,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/DieHard150.jpg'
},
{
videoId: 70111470,
width: 200,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/DieHard200.jpg'
},
{
videoId: 654356453,
width: 200,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/BadBoys200.jpg'
},
{
videoId: 654356453,
width: 140,
height:200,
url:'http://cdn-0.nflximg.com/images/2891/BadBoys140.jpg'
}
];
let bookmarks = [
{
videoId: 65432445,
time: 32432
},
{
videoId: 675465,
time: 3534543
},
{
videoId: 70111470,
time: 645243
},
{
videoId: 654356453,
time: 984934
}
];
export const movieLists = lists
.map((list) => {
return {
name: list.name,
videos: videos
.filter((video) => {
return video.listId === list.id;
})
.map((video) => {
return new MyArray()
.zip(
(bookmark, boxart) => {
return {
id: video.id,
title: video.title,
time: bookmark.time,
boxart: boxart.url
};
},
bookmarks.filter((bookmark) => {
return bookmark.videoId === video.id;
}),
[boxarts.filter((boxart) => {
return boxart.videoId === video.id;
})
.reduce((acc, curr) => {
return acc.width * acc.height < curr.width * curr.height ?
acc : curr;
})]
);
})
.concatAll()
};
});