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import { Router, Request, Response } from "express";
import {
ChannelModel,
ChannelCreateEvent,
toObject,
ChannelType,
Snowflake,
trimSpecial,
Channel,
DMChannel,
UserModel,
emitEvent
} from "@fosscord/util";
import { HTTPError } from "lambert-server";
import { DmChannelCreateSchema } from "../../../schema/Channel";
import { check } from "../../../util/instanceOf";
const router: Router = Router();
router.get("/", async (req: Request, res: Response) => {
var channels = await ChannelModel.find({ recipient_ids: req.user_id }).exec();
res.json(toObject(channels));
});
router.post("/", check(DmChannelCreateSchema), async (req: Request, res: Response) => {
const body = req.body as DmChannelCreateSchema;
body.recipients = body.recipients.filter((x) => x !== req.user_id).unique();
if (!(await Promise.all(body.recipients.map((x) => UserModel.exists({ id: x })))).every((x) => x)) {
throw new HTTPError("Recipient not found");
}
const type = body.recipients.length === 1 ? ChannelType.DM : ChannelType.GROUP_DM;
const name = trimSpecial(body.name);
const channel = await new ChannelModel({
name,
type,
owner_id: req.user_id,
id: Snowflake.generate(),
created_at: new Date(),
last_message_id: null,
recipient_ids: [...body.recipients, req.user_id]
}).save();
await emitEvent({ event: "CHANNEL_CREATE", data: toObject(channel), user_id: req.user_id } as ChannelCreateEvent);
res.json(toObject(channel));
});
export default router;
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