awesome-plugins/JavaScript/requirePermission.js

// @ts-nocheck

/**
 * This is perm check, it allows users to parse the permission you want and let the plugin do the rest. (check bot or user for that perm).
 *
 * @author @Benzo-Fury [<@762918086349029386>]
 * @author @needhamgary [<@342314924804014081>]
 * @version 1.2.0
 * @example
 * ```ts
 * import { requirePermission } from "../plugins/myPermCheck";
 * import { commandModule, CommandType } from "@sern/handler";
 * export default commandModule({
 *  plugins: [ requirePermission<CommandType>('target', 'permission', 'No response (optional)') ],
 *  execute: (ctx) => {
 * 		//your code here
 *  }
 * })
 * ```
 */
import { CommandControlPlugin, controller } from "@sern/handler";

function payload(resp) {
	return {
		fetchReply: true,
		content: resp,
		allowedMentions: {
			repliedUser: false,
		},
		ephemeral: true,
	};
}

export function requirePermission(target, perm, response) {
	return CommandControlPlugin(async (ctx, args) => {
		if (ctx.guild === null) {
			ctx.reply(payload("This command cannot be used here"));
			console.warn(
				"PermCheck > A command stopped because we couldn't check a users permissions (was used in dms)"
			); //delete this line if you dont want to be notified when a command is used outside of a guild/server

			return controller.stop();
		}

		const bot = await ctx.guild.members.fetchMe({
			cache: false,
		});
		const memm = ctx.member;

		switch (target) {
			//*********************************************************************************************************************//
			case "bot":
				if (!bot.permissions.has(perm)) {
					if (!response)
						response = `I cannot use this command, please give me \`${perm.join(
							", "
						)}\` permission(s).`;
					await ctx.reply(payload(response));
					return controller.stop();
				}

				return controller.next();
			//*********************************************************************************************************************//

			case "user":
				if (!memm.permissions.has(perm)) {
					if (!response)
						response = `You cannot use this command because you are missing \`${perm.join(
							", "
						)}\` permission(s).`;
					await ctx.reply(payload(response));
					return controller.stop();
				}

				return controller.next();
			//*********************************************************************************************************************//

			case "both":
				if (!bot.permissions.has(perm) || !memm.permissions.has(perm)) {
					if (!response)
						response = `Please ensure <@${bot.user.id}> and <@${
							memm.user.id
						}> both have \`${perm.join(", ")}\` permission(s).`;
					await ctx.reply(payload(response));
					return controller.stop();
				}

				return controller.next();
		}
	});
}