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import { Router, Request, Response } from "express";
import { Guild, Member, Snowflake } from "@fosscord/util";
import { HTTPError } from "lambert-server";
import { LessThan } from "typeorm";
import { route } from "@fosscord/api";
const router = Router();
//Returns all inactive members, respecting role hierarchy
export const inactiveMembers = async (guild_id: string, user_id: string, days: number, roles: string[] = []) => {
var date = new Date();
date.setDate(date.getDate() - days);
//Snowflake should have `generateFromTime` method? Or similar?
var minId = BigInt(date.valueOf() - Snowflake.EPOCH) << BigInt(22);
var members = await Member.find({
where: [
{
guild_id,
last_message_id: LessThan(minId.toString()),
},
],
relations: ["roles"]
});
if (!members.length) return [];
//I'm sure I can do this in the above db query ( and it would probably be better to do so ), but oh well.
if (roles.length && members.length)
members = members.filter(user => user.roles?.some(role => roles.includes(role.id)));
const me = await Member.findOne({ id: user_id, guild_id }, { relations: ["roles"] });
if (!me) throw new HTTPError("You are not member of this guild", 403);
const myHighestRole = Math.max(...(me.roles?.map(x => x.position) || []))
const guild = await Guild.findOneOrFail({ where: { id: guild_id } })
members = members.filter(member =>
member.id !== guild.owner_id && //can't kick owner
member.roles?.some(role =>
role.position < myHighestRole || //roles higher than me can't be kicked
me.id === guild.owner_id //owner can kick anyone
)
)
return members;
}
router.get("/", async (req: Request, res: Response) => {
const days = parseInt(req.query.days as string);
var roles = req.query.include_roles;
if (typeof roles === 'string') roles = [roles]; //express will return array otherwise
const members = await inactiveMembers(req.params.guild_id, req.user_id, days, roles as string[]);
res.send({ pruned: members.length });
});
router.post("/", route({ permission: "KICK_MEMBERS" }), async (req: Request, res: Response) => {
const days = parseInt(req.body.days);
var roles = req.query.include_roles;
if (typeof roles === 'string') roles = [roles];
const { guild_id } = req.params;
const members = await inactiveMembers(guild_id, req.user_id, days, roles as string[]);
for (var curr of members) {
await Member.removeFromGuild(curr.id, guild_id);
}
res.send({ purged: members.length });
})
export default router;
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