real-world-redux-api/index.js

API end point replacement for _DATA.js file in React NanoDegree Programe on Udacity

import path from 'path'

const filename = path.dirname(require.resolve("real-world-redux-api/package.json"));

const API = {}

let users = {
    sarah_edo: {
        id: "sarah_edo",
        name: "Sarah Drasner",
        avatarURL: `${filename}/images/sarah.jpg`,
        tweets: ['8xf0y6ziyjabvozdd253nd', 'hbsc73kzqi75rg7v1e0i6a', '2mb6re13q842wu8n106bhk', '6h5ims9iks66d4m7kqizmv', '3sklxkf9yyfowrf0o1ftbb'],
    },
    tylermcginnis: {
        id: "tylermcginnis",
        name: "Tyler McGinnis",
        avatarURL: `${filename}/images/tyler.jpg`,
        tweets: ['5c9qojr2d1738zlx09afby', 'f4xzgapq7mu783k9t02ghx', 'nnvkjqoevs8t02lzcc0ky', '4pt0px8l0l9g6y69ylivti', 'fap8sdxppna8oabnxljzcv', 'leqp4lzfox7cqvsgdj0e7', '26p5pskqi88i58qmza2gid', 'xi3ca2jcfvpa0i3t4m7ag'],
    },
    dan_abramov: {
        id: "dan_abramov",
        name: "Dan Abramov",
        avatarURL: `${filename}/images/dan.jpg`,
        tweets: ['5w6k1n34dkp1x29cuzn2zn', 'czpa59mg577x1oo45cup0d', 'omdbjl68fxact38hk7ypy6', '3km0v4hf1ps92ajf4z2ytg', 'njv20mq7jsxa6bgsqc97', 'sfljgka8pfddbcer8nuxv', 'r0xu2v1qrxa6ygtvf2rkjw'],
    }
}

let tweets = {
    "8xf0y6ziyjabvozdd253nd": {
        id: "8xf0y6ziyjabvozdd253nd",
        text: "Shoutout to all the speakers I know for whom English is not a first language, but can STILL explain a concept well. It's hard enough to give a good talk in your mother tongue!",
        author: "sarah_edo",
        timestamp: 1518122597860,
        likes: ['tylermcginnis'],
        replies: ['fap8sdxppna8oabnxljzcv', '3km0v4hf1ps92ajf4z2ytg'],
        replyingTo: null,
    },
    "5c9qojr2d1738zlx09afby": {
        id: "5c9qojr2d1738zlx09afby",
        text: "I hope one day the propTypes pendulum swings back. Such a simple yet effective API. Was one of my favorite parts of React.",
        author: "tylermcginnis",
        timestamp: 1518043995650,
        likes: ['sarah_edo', 'dan_abramov'],
        replies: ['njv20mq7jsxa6bgsqc97'],
        replyingTo: null,
    },
    "f4xzgapq7mu783k9t02ghx": {
        id: "f4xzgapq7mu783k9t02ghx",
        text: "Want to work at Facebook/Google/:BigCompany? Start contributing code long before you ever interview there.",
        author: "tylermcginnis",
        timestamp: 1517043995650,
        likes: ['dan_abramov'],
        replies: [],
        replyingTo: null,
    },
    "hbsc73kzqi75rg7v1e0i6a": {
        id: "hbsc73kzqi75rg7v1e0i6a",
        text: "Puppies 101: buy a hamper with a lid on it.",
        author: "sarah_edo",
        timestamp: 1516043995650,
        likes: ['tylermcginnis'],
        replies: ['leqp4lzfox7cqvsgdj0e7', 'sfljgka8pfddbcer8nuxv'],
        replyingTo: null,
    },
    "5w6k1n34dkp1x29cuzn2zn": {
        id: "5w6k1n34dkp1x29cuzn2zn",
        text: "Is there a metric like code coverage, but that shows lines that, if changed (in a syntactically correct way), wouldn’t cause tests to fail?",
        author: "dan_abramov",
        timestamp: 1515043995650,
        likes: ['sarah_edo'],
        replies: [],
        replyingTo: null,
    },
    "czpa59mg577x1oo45cup0d": {
        id: "czpa59mg577x1oo45cup0d",
        text: "React came out 'rethinking best practices'. It has since accumulated 'best practices' of its own. Let’s see if we can do better.",
        author: "dan_abramov",
        timestamp: 1515043995650,
        likes: ['tylermcginnis', 'sarah_edo'],
        replies: ['3sklxkf9yyfowrf0o1ftbb'],
        replyingTo: null,
    },
    "2mb6re13q842wu8n106bhk": {
        id: "2mb6re13q842wu8n106bhk",
        text: "I think I realized I like dogs so much because I can really relate to being motivated by snacks",
        author: "sarah_edo",
        timestamp: 1514043995650,
        likes: ['dan_abramov'],
        replies: ['26p5pskqi88i58qmza2gid'],
        replyingTo: null,
    },
    "nnvkjqoevs8t02lzcc0ky": {
        id: "nnvkjqoevs8t02lzcc0ky",
        text: "Maybe the real benefit of open source was the friendships we made along the way?",
        author: "tylermcginnis",
        timestamp: 1513043995650,
        likes: [],
        replies: [],
        replyingTo: null,
    },
    "omdbjl68fxact38hk7ypy6": {
        id: "omdbjl68fxact38hk7ypy6",
        text: "A 7-minute Paul Joseph Watson video being translated and aired by a Russian state TV channel is the most surreal thing I’ve seen in 2018 yet",
        author: "dan_abramov",
        timestamp: 1512043995650,
        likes: [],
        replies: [],
        replyingTo: null,
    },
    "4pt0px8l0l9g6y69ylivti": {
        id: "4pt0px8l0l9g6y69ylivti",
        text: "Talking less about the downsides of OSS and focusing on some of the huge potential upsides for once might just help get more people into it.",
        author: "tylermcginnis",
        timestamp: 1511043995650,
        likes: ['dan_abramov'],
        replies: [],
        replyingTo: null,
    },
    "6h5ims9iks66d4m7kqizmv": {
        id: "6h5ims9iks66d4m7kqizmv",
        text: "By the way, if you have a blog post sitting around and want to get some eyes on it, we take guest submissions! That's how I started.",
        author: "sarah_edo",
        timestamp: 1510043995650,
        likes: ['dan_abramov', 'tylermcginnis'],
        replies: ['xi3ca2jcfvpa0i3t4m7ag', 'r0xu2v1qrxa6ygtvf2rkjw'],
        replyingTo: null,
    },
    "fap8sdxppna8oabnxljzcv": {
        id: "fap8sdxppna8oabnxljzcv",
        author: "tylermcginnis",
        text: "I agree. I'm always really impressed when I see someone giving a talk in a language that's not their own.",
        timestamp: 1518122677860,
        likes: ['sarah_edo'],
        replyingTo: "8xf0y6ziyjabvozdd253nd",
        replies: [],
    },
    "3km0v4hf1ps92ajf4z2ytg": {
        id: "3km0v4hf1ps92ajf4z2ytg",
        author: "dan_abramov",
        text: "It can be difficult at times.",
        timestamp: 1518122667860,
        likes: [],
        replyingTo: "8xf0y6ziyjabvozdd253nd",
        replies: [],
    },
    "njv20mq7jsxa6bgsqc97": {
        id: "njv20mq7jsxa6bgsqc97",
        author: "dan_abramov",
        text: "Sometimes you have to sacrifice simplicity for power.",
        timestamp: 1518044095650,
        likes: ['tylermcginnis'],
        replyingTo: "5c9qojr2d1738zlx09afby",
        replies: [],
    },
    "leqp4lzfox7cqvsgdj0e7": {
        id: "leqp4lzfox7cqvsgdj0e7",
        author: "tylermcginnis",
        text: "Also trashcans. Learned this the hard way.",
        timestamp: 1516043255650,
        likes: [],
        replyingTo: "hbsc73kzqi75rg7v1e0i6a",
        replies: [],
    },
    "sfljgka8pfddbcer8nuxv": {
        id: "sfljgka8pfddbcer8nuxv",
        author: "dan_abramov",
        text: "Puppies are the best.",
        timestamp: 1516045995650,
        likes: ['sarah_edo', 'tylermcginnis'],
        replyingTo: "hbsc73kzqi75rg7v1e0i6a",
        replies: [],
    },
    "3sklxkf9yyfowrf0o1ftbb": {
        id: "3sklxkf9yyfowrf0o1ftbb",
        author: "sarah_edo",
        text: "The idea of best practices being a negative thing is an interesting concept.",
        timestamp: 1515044095650,
        likes: ['dan_abramov'],
        replyingTo: "czpa59mg577x1oo45cup0d",
        replies: [],
    },
    "26p5pskqi88i58qmza2gid": {
        id: "26p5pskqi88i58qmza2gid",
        author: "tylermcginnis",
        text: "Too relatable",
        timestamp: 1514044994650,
        likes: ['sarah_edo'],
        replyingTo: "2mb6re13q842wu8n106bhk",
        replies: [],
    },
    "xi3ca2jcfvpa0i3t4m7ag": {
        id: "xi3ca2jcfvpa0i3t4m7ag",
        author: "tylermcginnis",
        text: "Just DMd you!",
        timestamp: 1510043995650,
        likes: [],
        replyingTo: "6h5ims9iks66d4m7kqizmv",
        replies: [],
    },
    "r0xu2v1qrxa6ygtvf2rkjw": {
        id: "r0xu2v1qrxa6ygtvf2rkjw",
        author: "dan_abramov",
        text: "This is a great idea.",
        timestamp: 1510044395650,
        likes: ['tylermcginnis'],
        replyingTo: "6h5ims9iks66d4m7kqizmv",
        replies: [],
    },
}

API._getUsers = () => {
    return new Promise((res, rej) => {
        setTimeout(() => res({ ...users }), 1000)
    })
}

API._getTweets = () => {
    return new Promise((res, rej) => {
        setTimeout(() => res({ ...tweets }), 1000)
    })
}

API._saveLikeToggle = ({ id, hasLiked, authedUser }) => {
    return new Promise((res, rej) => {
        setTimeout(() => {
            tweets = {
                ...tweets,
                [id]: {
                    ...tweets[id],
                    likes: hasLiked === true
                        ? tweets[id].likes.filter((uid) => uid !== authedUser)
                        : tweets[id].likes.concat([authedUser])
                }
            }

            res()
        }, 500)
    })
}

const generateUID = () => {
    return Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15)
}

const formatTweet = ({ author, text, replyingTo = null }) => {
    return {
        author,
        id: generateUID(),
        likes: [],
        replies: [],
        text,
        timestamp: Date.now(),
        replyingTo,
    }
}

API._saveTweet = ({ text, author, replyingTo }) => {
    return new Promise((res, rej) => {
        const formattedTweet = formatTweet({
            text,
            author,
            replyingTo
        })

        setTimeout(() => {
            tweets = {
                ...tweets,
                [formattedTweet.id]: formattedTweet,
            }

            users = {
                ...users,
                [author]: {
                    ...users[author],
                    tweets: users[author].tweets.concat([formattedTweet.id])
                }
            }

            res(formattedTweet)
        }, 1000)
    })
}

export default API