pokemon-showdown/server/chat-plugins/lottery.ts
2021-04-25 14:16:27 -07:00

304 lines
11 KiB
TypeScript

const LOTTERY_FILE = 'config/chat-plugins/lottery.json';
import {FS, Utils} from '../../lib';
const lotteriesContents = FS(LOTTERY_FILE).readIfExistsSync();
const lotteries: {
[roomid: string]: {
maxWinners: number,
name: string,
markup: string,
participants: {[ip: string]: string},
winners: string[],
running: boolean,
},
} = lotteriesContents ? Object.assign(Object.create(null), JSON.parse(lotteriesContents)) : Object.create(null);
function createLottery(roomid: RoomID, maxWinners: number, name: string, markup: string) {
if (lotteries[roomid] && !lotteries[roomid].running) {
delete lotteries[roomid];
}
const lottery = lotteries[roomid];
lotteries[roomid] = {
maxWinners, name, markup, participants: lottery?.participants || Object.create(null),
winners: lottery?.winners || [], running: true,
};
writeLotteries();
}
function writeLotteries() {
for (const roomid of Object.keys(lotteries)) {
if (!Rooms.get(roomid)) {
delete lotteries[roomid];
}
}
FS(LOTTERY_FILE).writeUpdate(() => JSON.stringify(lotteries));
}
function destroyLottery(roomid: RoomID) {
delete lotteries[roomid];
writeLotteries();
}
function endLottery(roomid: RoomID, winners: string[]) {
const lottery = lotteries[roomid];
if (!lottery) return;
lottery.winners = winners;
lottery.running = false;
Object.freeze(lottery);
writeLotteries();
}
function isSignedUp(roomid: RoomID, user: User) {
const lottery = lotteries[roomid];
if (!lottery) return;
const participants = lottery.participants;
const participantNames = Object.values(participants).map(toID);
if (participantNames.includes(user.id)) return true;
if (Config.noipchecks) return false;
return !!participants[user.latestIp];
}
function addUserToLottery(roomid: RoomID, user: User) {
const lottery = lotteries[roomid];
if (!lottery) return;
const participants = lottery.participants;
if (!isSignedUp(roomid, user)) {
participants[user.latestIp] = user.name;
writeLotteries();
return true;
}
return false;
}
function removeUserFromLottery(roomid: RoomID, user: User) {
const lottery = lotteries[roomid];
if (!lottery) return;
const participants = lottery.participants;
for (const [ip, participant] of Object.entries(participants)) {
if (toID(participant) === user.id || ip === user.latestIp) {
delete participants[ip];
writeLotteries();
return true;
}
}
return false;
}
function getWinnersInLottery(roomid: RoomID) {
const lottery = lotteries[roomid];
if (!lottery) return;
const winners = [];
const participants = Object.values(lottery.participants);
for (let i = 0; i < lottery.maxWinners; i++) {
const randomIdx = participants.length * Math.random() << 0;
const winner = participants[randomIdx];
winners.push(winner);
participants.splice(randomIdx, 1);
}
return winners;
}
export const commands: Chat.ChatCommands = {
lottery: {
''(target, room) {
room = this.requireRoom();
const lottery = lotteries[room.roomid];
if (!lottery) {
return this.errorReply("This room doesn't have a lottery running.");
}
return this.parse(`/join view-lottery-${room.roomid}`);
},
edit: 'create',
create(target, room, user, connection, cmd) {
room = this.requireRoom();
this.checkCan('declare', null, room);
if (room.battle || !room.persist) {
return this.errorReply('This room does not support the creation of lotteries.');
}
const lottery = lotteries[room.roomid];
const edited = lottery?.running;
if (cmd === 'edit' && !target && lottery) {
this.sendReply('Source:');
const markup = Utils.html`${lottery.markup}`.replace(/\n/g, '<br />');
return this.sendReplyBox(`<code style="white-space: pre-wrap">/lottery edit ${lottery.maxWinners}, ${lottery.name}, ${markup}</code>`);
}
const [maxWinners, name, markup] = Utils.splitFirst(target, ',', 2).map(val => val.trim());
if (!(maxWinners && name && markup.length)) {
return this.errorReply("You're missing a command parameter - see /help lottery for this command's syntax.");
}
const maxWinnersNum = parseInt(maxWinners);
this.checkHTML(markup);
if (isNaN(maxWinnersNum)) {
return this.errorReply(`${maxWinners} is not a valid number.`);
}
if (maxWinnersNum < 1) {
return this.errorReply('The maximum winners should be at least 1.');
}
if (maxWinnersNum > Number.MAX_SAFE_INTEGER) {
return this.errorReply('The maximum winners number is too large, please pick a smaller number.');
}
if (name.length > 50) {
return this.errorReply('Name needs to be under 50 characters.');
}
createLottery(room.roomid, maxWinnersNum, name, markup);
this.sendReply(`The lottery was successfully ${edited ? 'edited' : 'created'}.`);
if (!edited) {
this.add(
Utils.html`|raw|<div class="broadcast-blue"><b>${user.name} created the` +
` "<a href="/view-lottery-${room.roomid}">${name}</a>" lottery!</b></div>`
);
}
this.modlog(`LOTTERY ${edited ? 'EDIT' : 'CREATE'} ${name}`, null, `${maxWinnersNum} max winners`);
},
delete(target, room, user) {
room = this.requireRoom();
this.checkCan('declare', null, room);
const lottery = lotteries[room.roomid];
if (!lottery) {
return this.errorReply('This room does not have a lottery running.');
}
destroyLottery(room.roomid);
this.addModAction(`${user.name} deleted the "${lottery.name}" lottery.`);
this.modlog('LOTTERY DELETE');
this.sendReply('The lottery was successfully deleted.');
},
end(target, room) {
room = this.requireRoom();
this.checkCan('declare', null, room);
const lottery = lotteries[room.roomid];
if (!lottery) {
return this.errorReply('This room does not have a lottery running.');
}
if (!lottery.running) {
return this.errorReply(`The "${lottery.name}" lottery already ended.`);
}
for (const [ip, participant] of Object.entries(lottery.participants)) {
const userid = toID(participant);
const pUser = Users.get(userid);
if (
Punishments.userids.get(userid) ||
Punishments.getRoomPunishments(pUser || userid, {publicOnly: true, checkIps: true}).length
) {
delete lottery.participants[ip];
}
}
if (lottery.maxWinners >= Object.keys(lottery.participants).length) {
return this.errorReply('There have been not enough participants for you to be able to end this. If you wish to end it anyway use /lottery delete.');
}
const winners = getWinnersInLottery(room.roomid);
if (!winners) return this.errorReply(`An error occured while getting the winners.`);
this.add(
Utils.html`|raw|<div class="broadcast-blue"><b>${Chat.toListString(winners)} won the "<a href="/view-lottery-${room.roomid}">${lottery.name}</a>" lottery!</b></div>`
);
this.modlog(`LOTTERY END ${lottery.name}`);
endLottery(room.roomid, winners);
},
join(target, room, user) {
// This hack is used for the HTML room to be able to
// join lotteries in other rooms from the global room
const roomid = target || room?.roomid;
if (!roomid) {
return this.errorReply(`This is not a valid room.`);
}
const lottery = lotteries[roomid];
if (!lottery) {
return this.errorReply(`${roomid} does not have a lottery running.`);
}
if (!lottery.running) {
return this.errorReply(`The "${lottery.name}" lottery already ended.`);
}
if (!user.named) {
return this.popupReply('You must be logged into an account to participate.');
}
if (!user.autoconfirmed) {
return this.popupReply('You must be autoconfirmed to join lotteries.');
}
if (user.locked || Punishments.getRoomPunishments(user, {publicOnly: true, checkIps: true}).length) {
return this.popupReply('Punished users cannot join lotteries.');
}
const success = addUserToLottery(roomid as RoomID, user);
if (success) {
this.popupReply('You have successfully joined the lottery.');
} else {
this.popupReply('You are already in the lottery.');
}
},
leave(target, room, user) {
// This hack is used for the HTML room to be able to
// join lotteries in other rooms from the global room
const roomid = target || room?.roomid;
if (!roomid) {
return this.errorReply('This can only be used in rooms.');
}
const lottery = lotteries[roomid];
if (!lottery) {
return this.errorReply(`${roomid} does not have a lottery running.`);
}
if (!lottery.running) {
return this.errorReply(`The "${lottery.name}" lottery already ended.`);
}
const success = removeUserFromLottery(roomid as RoomID, user);
if (success) {
this.popupReply('You have successfully left the lottery.');
} else {
this.popupReply('You have not joined the lottery.');
}
},
participants(target, room, user) {
room = this.requireRoom();
const lottery = lotteries[room.roomid];
if (!lottery) {
return this.errorReply('This room does not have a lottery running.');
}
const canSeeIps = user.can('ip');
const participants = Object.entries(lottery.participants).map(
([ip, participant]) => `- ${participant}${canSeeIps ? ' (IP: ' + ip + ')' : ''}`
);
let buf = '';
if (user.can('declare', null, room)) {
buf += `<details class="readmore"><summary><strong>List of participants (${participants.length}):</strong></summary>${participants.join('<br>')}</details>`;
} else {
buf += `${participants.length} participant(s) joined this lottery.`;
}
this.sendReplyBox(buf);
},
help() {
return this.parse('/help lottery');
},
},
lotteryhelp: [
`/lottery - opens the current lottery, if it exists.`,
`/lottery create max winners, name, html - creates a new lottery with [name] as the header and [html] as body. Max winners is the amount of people that will win the lottery. Requires # &`,
`/lottery delete - deletes the current lottery without declaring a winner. Requires # &`,
`/lottery end - ends the current lottery, declaring a random participant as the winner. Requires # &`,
`/lottery edit max winners, name, html - edits the lottery with the provided parameters. Requires # &`,
`/lottery join - joins the current lottery, if it exists, you need to be not currently punished in any public room, not locked and be autoconfirmed.`,
`/lottery leave - leaves the current lottery, if it exists.`,
`/lottery participants - shows the current participants in the lottery.`,
],
};
export const pages: Chat.PageTable = {
lottery(query, user) {
this.title = 'Lottery';
const room = this.requireRoom();
let buf = '<div class="pad">';
const lottery = lotteries[room.roomid];
if (!lottery) {
buf += `<h2>There is no lottery running in ${room.title}</h2></div>`;
return buf;
}
buf += `<h2 style="text-align: center">${lottery.name}</h2>${lottery.markup}<br />`;
if (lottery.running) {
const userSignedUp = lottery.participants[user.latestIp] ||
Object.values(lottery.participants).map(toID).includes(user.id);
buf += `<button class="button" name="send" style=" display: block; margin: 0 auto" value="/lottery ${userSignedUp ? 'leave' : 'join'} ${room.roomid}">${userSignedUp ? "Leave the " : "Sign up for the"} lottery</button>`;
} else {
buf += '<p style="text-align: center"><b>This lottery has already ended. The winners are:</b></p>';
buf += '<ul style="display: table; margin: 0px auto">';
for (const winner of lottery.winners) {
buf += `<li>${winner}</li>`;
}
buf += '</ul>';
}
return buf;
},
};