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import { Request, Response, Router } from "express";
import { Config, Permissions, Guild, InviteModel, Channel, Member } from "@fosscord/util";
import { HTTPError } from "lambert-server";
import { random } from "../../../util/RandomInviteID";
const router: Router = Router();
// Undocumented API notes:
// An invite is created for the widget_channel_id on request (only if an existing one created by the widget doesn't already exist)
// This invite created doesn't include an inviter object like user created ones and has a default expiry of 24 hours
// Missing user object information is intentional (https://github.com/discord/discord-api-docs/issues/1287)
// channels returns voice channel objects where @everyone has the CONNECT permission
// members (max 100 returned) is a sample of all members, and bots par invisible status, there exists some alphabetical distribution pattern between the members returned
// https://discord.com/developers/docs/resources/guild#get-guild-widget
// TODO: Cache the response for a guild for 5 minutes regardless of response
router.get("/", async (req: Request, res: Response) => {
const { guild_id } = req.params;
const guild = await Guild.findOneOrFail({ id: guild_id });
if (!guild.widget_enabled) throw new HTTPError("Widget Disabled", 404);
// Fetch existing widget invite for widget channel
var invite = await Invite.findOneOrFail({ channel_id: guild.widget_channel_id, inviter_id: { $type: 10 } });
if (guild.widget_channel_id && !invite) {
// Create invite for channel if none exists
// TODO: Refactor invite create code to a shared function
const max_age = 86400; // 24 hours
const expires_at = new Date(max_age * 1000 + Date.now());
const body = {
code: random(),
temporary: false,
uses: 0,
max_uses: 0,
max_age: max_age,
expires_at,
created_at: new Date(),
guild_id,
channel_id: guild.widget_channel_id,
inviter_id: null
};
invite = await new InviteModel(body).save();
}
// Fetch voice channels, and the @everyone permissions object
let channels: any[] = [];
await Channel.find({ guild_id: guild_id, type: 2 }, { permission_overwrites: { $elemMatch: { id: guild_id } } })
.select("id name position permission_overwrites")
.sort({ position: 1 })
.cursor()
.eachAsync((doc) => {
// Only return channels where @everyone has the CONNECT permission
if (
doc.permission_overwrites === undefined ||
Permissions.channelPermission(doc.permission_overwrites, Permissions.FLAGS.CONNECT) === Permissions.FLAGS.CONNECT
) {
channels.push({
id: doc.id,
name: doc.name,
position: doc.position
});
}
});
// Fetch members
// TODO: Understand how Discord's max 100 random member sample works, and apply to here (see top of this file)
let members: any[] = [];
await Member.find({ guild_id: guild_id })
.populate({ path: "user", select: { _id: 0, username: 1, avatar: 1, presence: 1 } })
.select("id user nick deaf mute")
.cursor()
.eachAsync((doc) => {
const status = doc.user?.presence?.status || "offline";
if (status == "offline") return;
let item = {};
item = {
...item,
id: null, // this is updated during the sort outside of the query
username: doc.nick || doc.user?.username,
discriminator: "0000", // intended (https://github.com/discord/discord-api-docs/issues/1287)
avatar: null, // intended, avatar_url below will return a unique guild + user url to the avatar
status: status
};
const activity = doc.user?.presence?.activities?.[0];
if (activity) {
item = {
...item,
game: { name: activity.name }
};
}
// TODO: If the member is in a voice channel, return extra widget details
// Extra fields returned include deaf, mute, self_deaf, self_mute, supress, and channel_id (voice channel connected to)
// Get this from VoiceState
// TODO: Implement a widget-avatar endpoint on the CDN, and implement logic here to request it
// Get unique avatar url for guild user, cdn to serve the actual avatar image on this url
/*
const avatar = doc.user?.avatar;
if (avatar) {
const CDN_HOST = Config.get().cdn.endpoint || "http://localhost:3003";
const avatar_url = "/widget-avatars/" + ;
item = {
...item,
avatar_url: avatar_url
}
}
*/
members.push(item);
});
// Sort members, and update ids (Unable to do under the mongoose query due to https://mongoosejs.com/docs/faq.html#populate_sort_order)
members = members.sort((first, second) => 0 - (first.username > second.username ? -1 : 1));
members.forEach((x, i) => {
x.id = i;
});
// Construct object to respond with
const data = {
id: guild_id,
name: guild.name,
instant_invite: invite?.code,
channels: channels,
members: members,
presence_count: guild.presence_count
};
res.set("Cache-Control", "public, max-age=300");
return res.json(data);
});
export default router;
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