gestion/commands/utils/banner.js

const axios = require('axios');
const { EmbedBuilder } = require('discord.js');
async function getUserBanner(user, message) {
  try {
      const response = await axios.get(`https://discord.com/api/users/${user.id}`, {
          headers: {
              Authorization: `Bot ${message.client.token}`
          }
      });

      const data = response.data;

      if (!data.banner) {
          return null;
      }

      const format = data.banner.startsWith('a_') ? 'gif' : 'png';
      const bannerURL = `https://cdn.discordapp.com/banners/${user.id}/${data.banner}.${format}?size=2048`;

      return bannerURL;
  } catch (error) {
      console.error(error);
      message.reply('Une erreur s\'est produite lors de la récupération des données de l\'utilisateur.');
      return null;
  }
}
module.exports = {
  name: 'banner',
  aliases: ['bannière', 'banniere'],
  description: 'Affiche la bannière d\'un utilisateur',
  emote: '🔍',
  utilisation: 'banner <@user>',
  category: 'utils',

  async execute(message, args, client) {
    const user = message.mentions.users.first() || message.author;
    const bannerURL = await getUserBanner(user, message);

    if (!bannerURL) {
        return message.reply('Cet utilisateur n\'a pas de bannière.');
    }

    const embed = new EmbedBuilder()
      .setTitle(`Bannière de ${user.tag}`)
      .setImage(bannerURL || '')
      .setFooter({ text: `Demandé par ${message.author.tag}`, iconURL: message.author.displayAvatarURL() })
      .setTimestamp();

    message.channel.send({ embeds: [embed] });
  },
};