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path: root/src/api/routes/guilds/#guild_id/roles/index.ts
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import { Request, Response, Router } from "express";
import {
	Role,
	getPermission,
	Member,
	GuildRoleCreateEvent,
	GuildRoleUpdateEvent,
	emitEvent,
	Config,
	DiscordApiErrors,
	RoleModifySchema,
} from "@fosscord/util";
import { route } from "@fosscord/api";

const router: Router = Router();

export type RolePositionUpdateSchema = {
	id: string;
	position: number;
}[];

router.get("/", route({}), async (req: Request, res: Response) => {
	const guild_id = req.params.guild_id;

	await Member.IsInGuildOrFail(req.user_id, guild_id);

	const roles = await Role.find({ where: { guild_id: guild_id } });

	return res.json(roles);
});

router.post("/", route({ body: "RoleModifySchema", permission: "MANAGE_ROLES" }), async (req: Request, res: Response) => {
	const guild_id = req.params.guild_id;
	const body = req.body as RoleModifySchema;

	const role_count = await Role.count({ where: { guild_id } });
	const { maxRoles } = Config.get().limits.guild;

	if (role_count > maxRoles) throw DiscordApiErrors.MAXIMUM_ROLES.withParams(maxRoles);

	const role = Role.create({
		// values before ...body are default and can be overriden
		position: 0,
		hoist: false,
		color: 0,
		mentionable: false,
		...body,
		guild_id: guild_id,
		managed: false,
		permissions: String(req.permission!.bitfield & BigInt(body.permissions || "0")),
		tags: undefined,
		icon: undefined,
		unicode_emoji: undefined
	});

	await Promise.all([
		role.save(),
		emitEvent({
			event: "GUILD_ROLE_CREATE",
			guild_id,
			data: {
				guild_id,
				role: role
			}
		} as GuildRoleCreateEvent)
	]);

	res.json(role);
});

router.patch("/", route({ body: "RolePositionUpdateSchema" }), async (req: Request, res: Response) => {
	const { guild_id } = req.params;
	const body = req.body as RolePositionUpdateSchema;

	const perms = await getPermission(req.user_id, guild_id);
	perms.hasThrow("MANAGE_ROLES");

	await Promise.all(body.map(async (x) => Role.update({ guild_id, id: x.id }, { position: x.position })));

	const roles = await Role.find({ where: body.map((x) => ({ id: x.id, guild_id })) });

	await Promise.all(
		roles.map((x) =>
			emitEvent({
				event: "GUILD_ROLE_UPDATE",
				guild_id,
				data: {
					guild_id,
					role: x
				}
			} as GuildRoleUpdateEvent)
		)
	);

	res.json(roles);
});

export default router;