@skybloxsystems/ticket-bot/Bot/src/commands/Admin/PrefixCommand.js

Main

const BaseCommand = require('../../utils/structures/BaseCommand');
const prefix = require('../../schemas/prefix')
const { Message } = require('discord.js')

module.exports = class PrefixCommand extends BaseCommand {
  constructor() {
    super('prefix', 'Admin', []);
  }

  async run(client, message, args) {
    const prefix = args[0];

    if (!prefix)
      return message.channel.send("Hey you need to provide a prefix");

    const result = await Prefix.findOne({
      guildID: message.guild.id,
    });

    if (result) {
      result.prefix = prefix;
      result.save();

      message.channel.send(`The prefix is now ${prefix}`);
    } else if (!result) {
      const data = new Prefix({
        guildID: message.guild.id,
        prefix: prefix,
      });
      data.save();

      message.channel.send(`The prefix is now ${prefix}`);
    }
  }
}