Feat/controllers - refactor entire backend and new admin interface #75
171
api/controllers/lotteryController.js
Normal file
171
api/controllers/lotteryController.js
Normal file
@@ -0,0 +1,171 @@
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const path = require("path");
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const lotteryRepository = require(path.join(__dirname, "../lottery"));
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const drawWinner = (req, res) => {
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return lotteryRepository
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.drawWinner()
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.then(({ winner, color, winners }) => {
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var io = req.app.get("socketio");
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io.emit("winner", {
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color: color,
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name: winner.name,
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winner_count: winners.length + 1
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});
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return { winner, color, winners };
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})
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.then(({ winner, color, winners }) =>
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res.send({
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color: color,
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winner: winner,
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success: true
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})
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)
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.catch(error => {
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const { statusCode, message } = error;
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return res.status(statusCode || 500).send({
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message: message || "Unexpected error occured while drawing winner.",
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success: false
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});
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});
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};
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const archiveLottery = (req, res) => {
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const { lottery } = req.body;
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if (lottery == undefined || !lottery instanceof Object) {
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return res.status(400).send({
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message: "Missing lottery object.",
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success: false
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});
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}
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let { stolen, date, raffles, wines } = lottery;
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stolen = stolen !== undefined ? stolen : 0; // default = 0
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date = date !== undefined ? date : new Date(); // default
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const validDateFormat = new RegExp("d{4}-d{2}-d{2}");
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if (!validDateFormat.test(date) || isNaN(date)) {
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return res.status(400).send({
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message: "Date must be defined as 'yyyy-mm-dd'.",
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success: false
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});
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} else {
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date = Date.parse(date, "yyyy-MM-dd");
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}
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return verifyLotteryPayload(raffles, stolen, wines)
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.then(_ => lottery.archive(date, raffles, stolen, wines))
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.catch(error => {
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const { statusCode, message } = error;
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return res.status(statusCode || 500).send({
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message: message || "Unexpected error occured while submitting lottery.",
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success: false
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});
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});
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};
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const lotteryByDate = (req, res) => {
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const { epoch } = req.params;
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if (!/^\d+$/.test(epoch)) {
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return res.status(400).send({
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message: "Last parameter must be epoch (in seconds).",
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success: false
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});
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}
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const date = new Date(Number(epoch) * 1000);
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return lotteryRepository
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.lotteryByDate(date)
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.then(lottery =>
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res.send({
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lottery,
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message: `Lottery for date: ${dateToDateString(date)}/${epoch}.`,
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success: true
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})
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)
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.catch(error => {
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const { statusCode, message } = error;
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return res.status(statusCode || 500).send({
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message: message || "Unexpected error occured while fetching lottery by date.",
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success: false
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});
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});
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};
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const allLotteries = (req, res) => {
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const isAdmin = req.isAuthenticated() || true;
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return lotteryRepository
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.allLotteries(isAdmin)
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.then(lotteries =>
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res.send({
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lotteries,
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message: "All lotteries.",
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success: true
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})
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)
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.catch(error => {
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const { statusCode, message } = error;
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return res.status(statusCode || 500).send({
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message: message || "Unexpected error occured while fetching all lotteries.",
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success: false
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});
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});
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};
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function verifyLotteryPayload(raffles, stolen, wines) {
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return new Promise((resolve, reject) => {
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if (raffles == undefined || !raffles instanceof Array) {
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reject({
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message: "Raffles must be array.",
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status: 400
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});
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}
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const requiredColors = [raffles["red"], raffles["blue"], raffles["green"], raffles["yellow"]];
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const correctColorsTypes = requiredColors.filter(color => typeof color === "number");
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if (requiredColors.length !== correctColorsTypes.length) {
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reject({
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message:
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"Incorrect or missing raffle colors, required type Number for keys: 'blue', 'red', 'green' & 'yellow'.",
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status: 400
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});
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}
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if (stolen == undefined || (isNaN(stolen) && stolen >= 0)) {
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reject({
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message: "Number of stolen raffles must be positive integer or 0.",
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status: 400
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});
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}
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if (wines == undefined || !wines instanceof Array) {
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reject({
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message: "Wines must be array.",
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status: 400
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});
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}
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resolve();
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});
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}
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function dateToDateString(date) {
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const ye = new Intl.DateTimeFormat("en", { year: "numeric" }).format(date);
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const mo = new Intl.DateTimeFormat("en", { month: "2-digit" }).format(date);
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const da = new Intl.DateTimeFormat("en", { day: "2-digit" }).format(date);
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return `${ye}-${mo}-${da}`;
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}
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module.exports = {
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drawWinner,
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archiveLottery,
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lotteryByDate,
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allLotteries
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};
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296
api/lottery.js
296
api/lottery.js
@@ -1,245 +1,83 @@
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const path = require("path");
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const crypto = require("crypto");
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const Attendee = require(path.join(__dirname, "/schemas/Attendee"));
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const PreLotteryWine = require(path.join(__dirname, "/schemas/PreLotteryWine"));
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const VirtualWinner = require(path.join(__dirname, "/schemas/VirtualWinner"));
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const Lottery = require(path.join(__dirname, "/schemas/Purchase"));
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const crypto = require("crypto");
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const Message = require(path.join(__dirname, "/message"));
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const {
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WinnerNotFound,
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NoMoreAttendeesToWin,
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CouldNotFindNewWinnerAfterNTries,
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LotteryByDateNotFound
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} = require(path.join(__dirname, "/vinlottisErrors"));
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class UserNotFound extends Error {
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constructor(message = "User not found.") {
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super(message);
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this.name = "UserNotFound";
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this.statusCode = 404;
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}
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const archive = (date, raffles, stolen, wines) => {
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const { blue, red, yellow, green } = raffles;
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const bought = blue + red + yellow + green;
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date = date.setHours(0, 0, 0, 0);
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// TODO log missing user
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}
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class WineNotFound extends Error {
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constructor(message = "Wine not found.") {
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super(message);
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this.name = "WineNotFound";
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this.statusCode = 404;
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}
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// TODO log missing user
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}
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class WinnerNotFound extends Error {
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constructor(message = "Winner not found.") {
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super(message);
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this.name = "WinnerNotFound";
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this.statusCode = 404;
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}
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// TODO log missing user
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}
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class NoMoreAttendeesToWinError extends Error {
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constructor(message = "No more attendees left to drawn from.") {
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super(message);
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this.name = "NoMoreAttendeesToWinError";
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this.statusCode = 404;
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}
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}
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class CouldNotFindNewWinnerAfterNTriesError extends Error {
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constructor(tries) {
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let message = `Could not a new winner after ${tries} tries.`;
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super(message);
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this.name = "CouldNotFindNewWinnerAfterNTriesError";
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this.statusCode = 404;
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}
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}
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const redactAttendeeInfoMapper = attendee => {
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return {
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name: attendee.name,
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raffles: attendee.red + attendee.blue + attendee.yellow + attendee.green,
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red: attendee.red,
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blue: attendee.blue,
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green: attendee.green,
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yellow: attendee.yellow
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};
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};
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const redactWinnerInfoMapper = winner => {
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return {
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name: winner.name,
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color: winner.color
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};
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};
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const allAttendees = (isAdmin = false) => {
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if (!isAdmin) {
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return Attendee.find().then(attendees => attendees.map(redactAttendeeInfoMapper));
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} else {
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return Attendee.find();
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}
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};
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const addAttendee = attendee => {
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const { name, red, blue, green, yellow, phoneNumber } = attendee;
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let newAttendee = new Attendee({
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name,
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red,
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blue,
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green,
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yellow,
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phoneNumber,
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winner: false
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});
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return newAttendee.save();
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};
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const updateAttendeeById = (id, updateModel) => {
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return Attendee.findOne({ _id: id }).then(attendee => {
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if (attendee == null) {
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throw new UserNotFound();
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}
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const updatedAttendee = {
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name: updateModel.name != null ? updateModel.name : attendee.name,
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green: updateModel.green != null ? updateModel.green : attendee.green,
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red: updateModel.red != null ? updateModel.red : attendee.red,
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blue: updateModel.blue != null ? updateModel.blue : attendee.blue,
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yellow: updateModel.yellow != null ? updateModel.yellow : attendee.yellow,
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phoneNumber: updateModel.phoneNumber != null ? updateModel.phoneNumber : attendee.phoneNumber,
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winner: updateModel.winner != null ? updateModel.winner : attendee.winner
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};
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return Attendee.updateOne({ _id: id }, updatedAttendee).then(_ => updatedAttendee);
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});
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};
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const deleteAttendeeById = id => {
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return Attendee.findOne({ _id: id }).then(attendee => {
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if (attendee == null) {
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throw new UserNotFound();
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}
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return Attendee.deleteOne({ _id: id }).then(_ => attendee);
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});
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};
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const deleteAttendees = () => {
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return Attendee.deleteMany();
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};
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const allWines = () => {
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return PreLotteryWine.find();
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};
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const addWines = wines => {
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const prelotteryWines = wines.map(wine => {
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let newPrelotteryWine = new PreLotteryWine({
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name: wine.name,
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vivinoLink: wine.vivinoLink,
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rating: wine.rating,
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image: wine.image,
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price: wine.price,
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country: wine.country,
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id: wine.id
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});
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return newPrelotteryWine.save();
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});
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return Promise.all(prelotteryWines);
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};
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const updateWineById = (id, updateModel) => {
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return PreLotteryWine.findOne({ _id: id }).then(wine => {
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if (wine == null) {
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throw new WineNotFound();
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}
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const updatedWine = {
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name: updateModel.name != null ? updateModel.name : wine.name,
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vivinoLink: updateModel.vivinoLink != null ? updateModel.vivinoLink : wine.vivinoLink,
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rating: updateModel.rating != null ? updateModel.rating : wine.rating,
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image: updateModel.image != null ? updateModel.image : wine.image,
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price: updateModel.price != null ? updateModel.price : wine.price,
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country: updateModel.country != null ? updateModel.country : wine.country,
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id: updateModel.id != null ? updateModel.id : wine.id
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};
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return PreLotteryWine.updateOne({ _id: id }, updatedWine).then(_ => updatedWine);
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});
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};
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const deleteWineById = id => {
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return PreLotteryWine.findOne({ _id: id }).then(wine => {
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if (wine == null) {
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throw new WineNotFound();
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}
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return PreLotteryWine.deleteOne({ _id: id }).then(_ => wine);
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});
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};
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const deleteWines = () => {
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return PreLotteryWine.deleteMany();
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};
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const addWinners = winners => {
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return Promise.all(
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winners.map(winner => {
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let newWinnerElement = new VirtualWinner({
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name: winner.name,
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color: winner.color,
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timestamp_drawn: new Date().getTime()
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});
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return newWinnerElement.save();
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})
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return Lottery.findOneAndUpdate(
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{ date },
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{
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date,
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blue,
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red,
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yellow,
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green,
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bought,
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stolen,
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wines
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},
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{ upsert: true }
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);
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};
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const allWinners = (isAdmin = false) => {
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if (!isAdmin) {
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return VirtualWinner.find().then(winners => winners.map(redactWinnerInfoMapper));
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} else {
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return VirtualWinner.find();
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}
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};
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const lotteryByDate = date => {
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const startOfDay = new Date(date.setHours(0, 0, 0, 0));
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const endOfDay = new Date(date.setHours(24, 59, 59, 99));
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const winnerById = (id, isAdmin = false) => {
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return VirtualWinner.findOne({ _id: id }).then(winner => {
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if (winner == null) {
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throw new WinnerNotFound();
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const query = [
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{
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$match: {
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date: {
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$gte: startOfDay,
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$lte: endOfDay
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}
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}
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},
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{
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$lookup: {
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from: "wines",
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localField: "wines",
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foreignField: "_id",
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as: "wines"
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}
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}
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||||
];
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||||
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if (!isAdmin) {
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return redactWinnerInfoMapper(winner);
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} else {
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return winner;
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const aggregateLottery = Lottery.aggregate(query);
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return aggregateLottery.project("-_id -__v").then(lotteries => {
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if (lotteries.length == 0) {
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throw new LotteryByDateNotFound(date);
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}
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||||
return lotteries[0];
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||||
});
|
||||
};
|
||||
|
||||
const deleteWinnerById = id => {
|
||||
return VirtualWinner.findOne({ _id: id }).then(winner => {
|
||||
if (winner == null) {
|
||||
throw new WinnerNotFound();
|
||||
}
|
||||
|
||||
return VirtualWinner.deleteOne({ _id: id }).then(_ => winner);
|
||||
});
|
||||
};
|
||||
|
||||
const deleteWinners = () => {
|
||||
return VirtualWinner.deleteMany();
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||||
const allLotteries = () => {
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||||
return Lottery.find()
|
||||
.select("-_id -__v")
|
||||
.populate("wines");
|
||||
};
|
||||
|
||||
const drawWinner = async () => {
|
||||
let allContestants = await Attendee.find({ winner: false });
|
||||
|
||||
if (allContestants.length == 0) {
|
||||
throw new NoMoreAttendeesToWinError();
|
||||
throw new NoMoreAttendeesToWin();
|
||||
}
|
||||
|
||||
let raffleColors = [];
|
||||
@@ -278,7 +116,7 @@ const drawWinner = async () => {
|
||||
tries++;
|
||||
}
|
||||
if (contestantsToChooseFrom == undefined) {
|
||||
throw new CouldNotFindNewWinnerAfterNTriesError(maxTries);
|
||||
throw new CouldNotFindNewWinnerAfterNTries(maxTries);
|
||||
}
|
||||
|
||||
let attendeeListDemocratic = [];
|
||||
@@ -360,20 +198,8 @@ function shuffle(array) {
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
allAttendees,
|
||||
addAttendee,
|
||||
updateAttendeeById,
|
||||
deleteAttendeeById,
|
||||
deleteAttendees,
|
||||
allWines,
|
||||
addWines,
|
||||
updateWineById,
|
||||
deleteWineById,
|
||||
deleteWines,
|
||||
addWinners,
|
||||
allWinners,
|
||||
winnerById,
|
||||
deleteWinnerById,
|
||||
deleteWinners,
|
||||
drawWinner
|
||||
drawWinner,
|
||||
archive,
|
||||
lotteryByDate,
|
||||
allLotteries
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user