118 lines
3.0 KiB
JavaScript
118 lines
3.0 KiB
JavaScript
const path = require("path");
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const Highscore = require(path.join(__dirname, "/schemas/Highscore"));
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const Wine = require(path.join(__dirname, "/schemas/Wine"));
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class HistoryByDateNotFound extends Error {
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constructor(message = "History for given date not found.") {
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super(message);
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this.name = "HistoryByDateNotFound";
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this.statusCode = 404;
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}
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}
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class HistoryForUserNotFound extends Error {
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constructor(message = "History for given user not found.") {
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super(message);
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this.name = "HistoryForUserNotFound";
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this.statusCode = 404;
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}
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}
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// Utils
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const epochToDateString = date => new Date(parseInt(date)).toDateString();
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const sortNewestFirst = lotteries => {
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return lotteries.sort((a, b) => (parseInt(a.date) < parseInt(b.date) ? 1 : -1));
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};
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const groupHighscoreByDate = async (highscore = undefined) => {
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if (highscore == undefined) highscore = await Highscore.find();
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const highscoreByDate = [];
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highscore.forEach(person => {
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person.wins.map(win => {
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const epochDate = new Date(win.date).setHours(0, 0, 0, 0);
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const winnerObject = {
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name: person.name,
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color: win.color,
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wine: win.wine,
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date: epochDate
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};
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const existingDateIndex = highscoreByDate.findIndex(el => el.date == epochDate);
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if (existingDateIndex > -1) highscoreByDate[existingDateIndex].winners.push(winnerObject);
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else
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highscoreByDate.push({
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date: epochDate,
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winners: [winnerObject]
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});
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});
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});
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return sortNewestFirst(highscoreByDate);
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};
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const resolveWineReferences = (highscoreObject, key) => {
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const listWithWines = highscoreObject[key];
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return Promise.all(
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listWithWines.map(element =>
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Wine.findById(element.wine).then(wine => {
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element.wine = wine;
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return element;
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})
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)
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).then(resolvedListWithWines => {
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highscoreObject[key] = resolvedListWithWines;
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return highscoreObject;
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});
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};
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// end utils
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// Routes
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const all = () => {
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return Highscore.find().then(highscore => groupHighscoreByDate(highscore));
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};
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const latest = () => {
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return groupHighscoreByDate()
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.then(lotteries => lotteries.shift()) // first element in list
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.then(latestLottery => resolveWineReferences(latestLottery, "winners"));
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};
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const byEpochDate = date => {
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return groupHighscoreByDate()
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.then(lotteries => {
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const lottery = lotteries.filter(lottery => lottery.date == date);
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if (lottery.length > 0) {
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return lottery[0];
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} else {
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throw new HistoryByDateNotFound();
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}
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})
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.then(lottery => resolveWineReferences(lottery, "winners"))
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.then(lottery => lottery.winners);
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};
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const byName = name => {
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return Highscore.find({ name })
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.then(highscore => {
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if (highscore.length > 0) {
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return highscore[0];
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} else {
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throw new HistoryForUserNotFound();
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}
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})
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.then(highscore => resolveWineReferences(highscore, "wins"))
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.then(highscore => sortNewestFirst(highscore.wins));
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};
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module.exports = {
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all,
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latest,
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byEpochDate,
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byName
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};
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