community-relations/src/commands/ban.ts

import moment, { unitOfTime } from 'moment';
import { Message } from 'eris';
import { Client, Command } from '../class';

export default class Ban extends Command {
  constructor(client: Client) {
    super(client);
    this.name = 'ban';
    this.description = 'Bans a member from the guild.';
    this.usage = 'ban <member> [time] [reason]';
    this.permissions = 2;
    this.guildOnly = true;
    this.enabled = true;
  }

  public async run(message: Message, args: string[]) {
    try {
      // @ts-ignore
      const member = this.client.util.resolveMember(args[0], message.channel.guild);
      if (!member) return message.channel.createMessage(`***${this.client.util.emojis.ERROR} Cannot find member.***`);
      if (!this.client.util.moderation.checkPermissions(member, message.member)) return message.channel.createMessage(`***${this.client.util.emojis.ERROR} Permission denied.***`);
      message.delete();

      const lockLength = args[1].match(/[a-z]+|[^a-z]+/gi);
      const length = Number(lockLength[0]);
      const unit = lockLength[1] as unitOfTime.Base;
      const momentMilliseconds = moment.duration(length, unit).asMilliseconds();
      const reason = momentMilliseconds ? args.slice(2).join(' ') : args.slice(1).join(' ');
      return await this.client.util.moderation.ban(member, message.member, momentMilliseconds, reason);
    } catch (err) {
      return this.client.util.handleError(err, message, this, false);
    }
  }
}