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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Spacebar and Spacebar Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { Config } from "@spacebar/util";
import { distanceBetweenLocations, IPAnalysis } from "../utility/ipAddress";
export async function getVoiceRegions(ipAddress: string, vip: boolean) {
const regions = Config.get().regions;
const availableRegions = regions.available.filter((ar) =>
vip ? true : !ar.vip,
);
let optimalId = regions.default;
if (!regions.useDefaultAsOptimal) {
const clientIpAnalysis = await IPAnalysis(ipAddress);
let min = Number.POSITIVE_INFINITY;
for (const ar of availableRegions) {
//TODO the endpoint location should be saved in the database if not already present to prevent IPAnalysis call
const dist = distanceBetweenLocations(
clientIpAnalysis,
ar.location || (await IPAnalysis(ar.endpoint)),
);
if (dist < min) {
min = dist;
optimalId = ar.id;
}
}
}
return availableRegions.map((ar) => ({
id: ar.id,
name: ar.name,
custom: ar.custom,
deprecated: ar.deprecated,
optimal: ar.id === optimalId,
}));
}
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