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import {
AllowedMentions,
BotCommand,
CanvasProgressBar,
emojis,
Level,
type CommandMessage,
type OptArgType,
type SlashMessage
} from '#lib';
import canvas from '@napi-rs/canvas';
import { simplifyNumber } from '@tanzanite/simplify-number';
import assert from 'assert/strict';
import { ApplicationCommandOptionType, AttachmentBuilder, Guild, PermissionFlagsBits, User } from 'discord.js';
assert(canvas);
export default class LevelCommand extends BotCommand {
public constructor() {
super('level', {
aliases: ['level', 'rank', 'lvl'],
category: 'leveling',
description: 'Shows the level of a user',
usage: ['level [user]'],
examples: ['level', 'level @Tyman'],
args: [
{
id: 'user',
description: 'The user to get the level of.',
type: 'user',
prompt: 'What user would you like to see the level of?',
retry: '{error} Choose a valid user to see the level of.',
optional: true,
slashType: ApplicationCommandOptionType.User
}
],
slash: true,
channel: 'guild',
clientPermissions: ['AttachFiles'],
clientCheckChannel: true,
userPermissions: []
});
}
public override async exec(message: CommandMessage | SlashMessage, args: { user: OptArgType<'user'> }) {
assert(message.inGuild());
if (!(await message.guild.hasFeature('leveling')))
return await message.util.reply(
`${emojis.error} This command can only be run in servers with the leveling feature enabled.${
message.member?.permissions.has(PermissionFlagsBits.ManageGuild)
? ` You can toggle features using the \`${this.client.utils.prefix(message)}features\` command.`
: ''
}`
);
const user = args.user ?? message.author;
try {
return await message.util.reply({
files: [new AttachmentBuilder(await this.getImage(user, message.guild), { name: 'level.png' })]
});
} catch (e) {
if (e instanceof Error && e.message === 'User does not have a level') {
return await message.util.reply({
content: `${emojis.error} ${user} does not have a level.`,
allowedMentions: AllowedMentions.none()
});
} else throw e;
}
}
private async getImage(user: User, guild: Guild): Promise<Buffer> {
const guildRows = await Level.findAll({ where: { guild: guild.id } });
const rank = guildRows.sort((a, b) => b.xp - a.xp);
const userLevelRow = guildRows.find((a) => a.user === user.id);
if (!userLevelRow) throw new Error('User does not have a level');
const userLevel = userLevelRow.level;
const currentLevelXP = Level.convertLevelToXp(userLevel);
const currentLevelXpProgress = userLevelRow.xp - currentLevelXP;
const xpForNextLevel = Level.convertLevelToXp(userLevelRow.level + 1) - currentLevelXP;
await user.fetch(true); // get accent color
const white = '#FFFFFF',
gray = '#23272A',
highlight = user.hexAccentColor ?? '#5865F2';
// Create image canvas
const levelCard = canvas.createCanvas(800, 200),
ctx = levelCard.getContext('2d');
// Fill background
ctx.fillStyle = gray;
ctx.fillRect(0, 0, levelCard.width, levelCard.height);
// Draw avatar
const AVATAR_SIZE = 128;
const avatarImage = new canvas.Image();
avatarImage.src = Buffer.from(
await (await fetch(user.displayAvatarURL({ extension: 'png', size: AVATAR_SIZE }))).arrayBuffer()
);
const imageTopCoord = levelCard.height / 2 - AVATAR_SIZE / 2;
ctx.drawImage(avatarImage, imageTopCoord, imageTopCoord, AVATAR_SIZE, AVATAR_SIZE);
// Write tag of user
ctx.font = '30px Roboto';
ctx.fillStyle = white;
const measuredTag = ctx.measureText(user.tag);
ctx.fillText(user.tag, AVATAR_SIZE + 70, 60);
// Draw line under tag
ctx.fillStyle = highlight;
ctx.fillRect(AVATAR_SIZE + 70, 65 + measuredTag.actualBoundingBoxDescent, measuredTag.width, 3);
// Draw leveling bar
const progressParams = {
x: AVATAR_SIZE + 70,
y: AVATAR_SIZE - 0,
height: 30,
width: 550
};
const fullProgressBar = new CanvasProgressBar(ctx, progressParams, white, 1);
fullProgressBar.draw();
const progressBar = new CanvasProgressBar(ctx, progressParams, highlight, currentLevelXpProgress / xpForNextLevel);
progressBar.draw();
// Draw level data text
ctx.fillStyle = white;
const xpTxt = `${simplifyNumber(currentLevelXpProgress)}/${simplifyNumber(xpForNextLevel)}`;
const rankTxt = simplifyNumber(rank.indexOf(rank.find((x) => x.user === user.id)!) + 1);
ctx.fillText(`Level: ${userLevel} XP: ${xpTxt} Rank: ${rankTxt}`, AVATAR_SIZE + 70, AVATAR_SIZE - 20);
// Return image in buffer form
return levelCard.toBuffer('image/png');
}
}
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