Files
1800queue/src/util.ts
2022-02-13 19:23:28 -06:00

97 lines
2.4 KiB
TypeScript

import { CommandInteraction, GuildMember, TextChannel } from "discord.js";
import { Lang } from "./lang";
/**
* shuffles an array
* https://stackoverflow.com/a/2450976/2856416
* @param array an array
* @returns an array but shuffled
*/
export function shuffle(array: any[]) {
let currentIndex = array.length, randomIndex;
// While there remain elements to shuffle...
while (currentIndex != 0) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex--;
// And swap it with the current element.
[array[currentIndex], array[randomIndex]] = [
array[randomIndex], array[currentIndex]];
}
return array;
}
export class errorMessage {
public msg: string;
public ephemeral: boolean;
constructor(msg: string, ephemeral: boolean = true) {
this.msg = msg;
this.ephemeral = ephemeral;
}
}
/**
* a simple class to contain an error message and related data
* @param msg error message
* @param ephemeral (default=true)
* @returns new errorMessage
*/
export const emsg = (msg: string, ephemeral: boolean = true) => new errorMessage(Lang.get(`error.${msg}`), ephemeral);
export interface queueInfoBase {
teamsize: number
}
export interface queueInfo extends queueInfoBase{
players: GuildMember[]
}
/**
* get the GuildMember of an interaction
* @param interaction
* @throws errorMessage class if it cannot be read
* @returns member
*/
export function getMember(interaction: CommandInteraction): GuildMember {
let member = interaction.member;
if (!(member instanceof GuildMember))
throw emsg('general.noMember');
return member;
}
/**
* get the TextChannel of an interaction
* @param interaction
* @throws errorMessage class if it cannot be read
* @returns member
*/
export function getChannel(interaction: CommandInteraction): TextChannel {
let channel = interaction.channel;
if (!(channel instanceof TextChannel))
throw emsg('general.noChannel');
return channel;
}
export function memberIsMod(interaction: CommandInteraction): boolean {
let member = getMember(interaction);
return member.permissionsIn(interaction.channelId).has('MANAGE_MESSAGES');
}
export function memberIsModThrow(interaction: CommandInteraction) {
if (!memberIsMod(interaction))
throw emsg('discord.notMod');
}