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import {
AllowedMentions,
Arg,
banResponse,
BotCommand,
castDurationContent,
emojis,
format,
Moderation,
type ArgType,
type BanResponse,
type CommandMessage,
type OptArgType,
type SlashMessage
} from '#lib';
import assert from 'assert/strict';
import { ApplicationCommandOptionType, PermissionFlagsBits, type User } from 'discord.js';
export default class BanCommand extends BotCommand {
public constructor() {
super('ban', {
aliases: ['ban', 'force-ban', 'dban'],
category: 'moderation',
description: 'Ban a member from the server.',
usage: ['ban <member> [reasonAndDuration] [--days <days>]'],
examples: ['ban ironm00n 1 day commands in #general --delete 7'],
args: [
{
id: 'user',
description: 'The user that will be banned.',
type: Arg.union('user', 'snowflake'),
readableType: 'user|snowflake',
prompt: 'What user would you like to ban?',
retry: '{error} Choose a valid user to ban.',
slashType: ApplicationCommandOptionType.User
},
{
id: 'reason_and_duration',
description: 'The reason and duration of the ban.',
type: 'contentWithDuration',
match: 'rest',
prompt: 'Why should this user be banned and for how long?',
retry: '{error} Choose a valid ban reason and duration.',
slashType: ApplicationCommandOptionType.String,
optional: true
},
{
id: 'days',
description: 'The number of days of messages to delete when the user is banned, defaults to 0.',
flag: ['--days', '--delete'],
match: 'option',
prompt: "How many days of the user's messages would you like to delete?",
retry: '{error} Choose between 0 and 7 days to delete messages from the user for.',
type: Arg.range('integer', 0, 7, true),
readableType: 'integer [0, 7]',
optional: true,
slashType: ApplicationCommandOptionType.Integer,
choices: [...Array(8).keys()].map((v) => ({ name: v.toString(), value: v }))
},
{
id: 'force',
description: 'Override permission checks.',
flag: '--force',
match: 'flag',
optional: true,
slashType: false,
only: 'text',
ownerOnly: true
}
],
slash: true,
channel: 'guild',
clientPermissions: [PermissionFlagsBits.BanMembers],
userPermissions: [PermissionFlagsBits.BanMembers]
});
}
public override async exec(
message: CommandMessage | SlashMessage,
args: {
user: ArgType<'user' | 'snowflake'>;
reason_and_duration: OptArgType<'contentWithDuration'> | string;
days: OptArgType<'integer'>;
force: ArgType<'flag'>;
}
) {
assert(message.inGuild());
assert(message.member);
const { duration, content } = await castDurationContent(args.reason_and_duration, message);
args.days ??= message.util.parsed?.alias === 'dban' ? 1 : 0;
const member = message.guild.members.cache.get(typeof args.user === 'string' ? args.user : args.user.id);
const user =
member?.user ?? (await this.client.utils.resolveNonCachedUser(typeof args.user === 'string' ? args.user : args.user.id));
if (!user) return message.util.reply(`${emojis.error} Invalid user.`);
const useForce = args.force && message.author.isOwner();
const canModerateResponse = member ? await Moderation.permissionCheck(message.member, member, 'ban', true, useForce) : true;
if (canModerateResponse !== true) {
return await message.util.reply(canModerateResponse);
}
if (!Number.isInteger(args.days) || args.days! < 0 || args.days! > 7) {
return message.util.reply(`${emojis.error} The delete days must be an integer between 0 and 7.`);
}
const opts = { reason: content, moderator: message.member, duration: duration, deleteDays: args.days };
const responseCode = member ? await member.customBan(opts) : await message.guild.customBan({ user, ...opts });
return await message.util.reply({
content: BanCommand.formatCode(user, responseCode),
allowedMentions: AllowedMentions.none()
});
}
public static formatCode(user: User, code: BanResponse): string {
const victim = format.input(user.tag);
switch (code) {
case banResponse.ALREADY_BANNED:
return `${emojis.error} ${victim} is already banned.`;
case banResponse.MISSING_PERMISSIONS:
return `${emojis.error} Could not ban ${victim} because I am missing the **Ban Members** permission.`;
case banResponse.ACTION_ERROR:
return `${emojis.error} An error occurred while trying to ban ${victim}.`;
case banResponse.PUNISHMENT_ENTRY_ADD_ERROR:
return `${emojis.error} While banning ${victim}, there was an error creating a ban entry, please report this to my developers.`;
case banResponse.MODLOG_ERROR:
return `${emojis.error} While banning ${victim}, there was an error creating a modlog entry, please report this to my developers.`;
case banResponse.DM_ERROR:
return `${emojis.warn} Banned ${victim} however I could not send them a dm.`;
case banResponse.SUCCESS:
return `${emojis.success} Successfully banned ${victim}.`;
default:
return `${emojis.error} An error occurred: ${format.input(code)}}`;
}
}
}
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