Files
vinlottis/api/lottery.js

119 lines
3.1 KiB
JavaScript

const express = require('express');
const path = require('path');
const router = express.Router();
const mongoose = require('mongoose');
mongoose.connect('mongodb://localhost:27017/vinlottis', {
useNewUrlParser: true
})
const mustBeAuthenticated = require(path.join(
__dirname + '/../middleware/mustBeAuthenticated'
));
const config = require(path.join(__dirname + '/../config/defaults/lottery'));
const Highscore = require(path.join(__dirname + '/../schemas/Highscore'));
const Wine = require(path.join(__dirname + '/../schemas/Wine'));
// Utils
const epochToDateString = date => new Date(parseInt(date)).toDateString();
const getHighscoreByDates = highscore => {
let groupedLotteries = {}
highscore.forEach(user => {
user.wins.map(win => {
const epochDate = new Date(win.date).setHours(0,0,0,0);
const obj = {
name: user.name,
color: win.color,
wine: win.wine,
date: epochDate
}
groupedLotteries[epochDate] ?
groupedLotteries[epochDate].push(obj) : groupedLotteries[epochDate] = [obj];
})
})
return groupedLotteries
}
const groupedHighscoreToSortedList = groupedLotteries => {
return Object.keys(groupedLotteries).map(key => {
const winners = groupedLotteries[key];
return {
date: parseInt(key),
dateString: epochToDateString(key),
winners
}
}).sort((a,b) => parseInt(a.date) > parseInt(b.date) ? 1 : -1)
}
const resolveWineReferences = listWithWines => {
return Promise.all(listWithWines.map(element =>
Wine.findById(element.wine)
.then(wine => {
element.wine = wine
return element
})
))
}
// Routes
router.route('/all').get((req, res) => {
return Highscore.find()
.then(highscore => getHighscoreByDates(highscore))
.then(groupedLotteries => groupedHighscoreToSortedList(groupedLotteries))
.then(lotteries => res.send({
message: "Lotteries by date!",
lotteries
}))
})
router.route('/by-date/:date').get((req, res) => {
const { date } = req.params;
const dateString = epochToDateString(date);
return Highscore.find()
.then(highscore => getHighscoreByDates(highscore))
.then(async (lotteries) => {
const lottery = lotteries[date];
if (lottery != null) {
return res.send({
message: `Lottery for date: ${dateString}`,
lottery: await resolveWineReferences(lottery)
})
} else {
return res.status(404).send({
message: `No lottery found for date: ${dateString}`
})
}
})
})
router.route("/by-name").get((req, res) => {
const { name } = req.query;
return Highscore.find({ name })
.then(async (highscore) => {
highscore = highscore[0]
if (highscore) {
const highscoreWithResolvedWines = await resolveWineReferences(highscore.wins)
return res.send({
message: `Lottery winnings by name: ${name}`,
highscore: highscoreWithResolvedWines
})
} else {
return res.status(404).send({
message: `Name: ${ name } not found in leaderboards.`
})
}
})
})
module.exports = router;