discordeno/helpers/templates/editGuildTemplate.ts

import type { Bot } from "../../bot.ts";
import { DiscordTemplate } from "../../types/discord.ts";

/**
 * Edit a template's metadata.
 * Requires the `MANAGE_GUILD` permission.
 */
export async function editGuildTemplate(bot: Bot, guildId: bigint, templateCode: string, data: ModifyGuildTemplate) {
  if (data.name?.length && (data.name.length < 1 || data.name.length > 100)) {
    throw new Error("The name can only be in between 1-100 characters.");
  }

  if (data.description?.length && data.description.length > 120) {
    throw new Error("The description can only be in between 0-120 characters.");
  }

  return await bot.rest.runMethod<DiscordTemplate>(
    bot.rest,
    "patch",
    `${bot.constants.endpoints.GUILD_TEMPLATES(guildId)}/${templateCode}`,
    {
      name: data.name,
      description: data.description,
    },
  );
}

/** https://discord.com/developers/docs/resources/template#modify-guild-template */
export interface ModifyGuildTemplate {
  /** Name of the template (1-100 characters) */
  name?: string;
  /** Description of the template (0-120 characters) */
  description?: string | null;
}