117 lines
3.2 KiB
TypeScript
117 lines
3.2 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import PresenceStore from '@app/stores/PresenceStore';
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import type {StatusType} from '@fluxer/constants/src/StatusConstants';
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import {StatusTypes} from '@fluxer/constants/src/StatusConstants';
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import {makeAutoObservable, observable, runInAction} from 'mobx';
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const PRESENCE_TTL_MS = 5 * 60 * 1000;
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const CLEANUP_INTERVAL_MS = 60 * 1000;
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interface TransientPresence {
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status: StatusType;
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timestamp: number;
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}
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class TransientPresenceStoreClass {
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presences = observable.map<string, TransientPresence>();
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private cleanupInterval: ReturnType<typeof setInterval> | null = null;
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constructor() {
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makeAutoObservable(this, {}, {autoBind: true});
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this.startCleanup();
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}
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private startCleanup(): void {
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if (this.cleanupInterval) return;
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this.cleanupInterval = setInterval(() => {
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this.pruneStale();
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}, CLEANUP_INTERVAL_MS);
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}
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private pruneStale(): void {
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const now = Date.now();
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runInAction(() => {
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for (const [userId, presence] of this.presences) {
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if (now - presence.timestamp > PRESENCE_TTL_MS) {
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this.presences.delete(userId);
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}
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}
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});
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}
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updatePresence(userId: string, status: StatusType): void {
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this.presences.set(userId, {
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status,
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timestamp: Date.now(),
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});
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}
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updatePresences(presences: Array<{userId: string; status: StatusType}>): void {
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runInAction(() => {
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const now = Date.now();
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for (const {userId, status} of presences) {
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this.presences.set(userId, {status, timestamp: now});
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}
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});
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}
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getStatus(userId: string): StatusType {
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const presenceStoreStatus = PresenceStore.getStatus(userId);
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if (presenceStoreStatus !== StatusTypes.OFFLINE) {
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return presenceStoreStatus;
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}
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const transient = this.presences.get(userId);
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if (transient && Date.now() - transient.timestamp <= PRESENCE_TTL_MS) {
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return transient.status;
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}
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return StatusTypes.OFFLINE;
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}
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getTransientStatus(userId: string): StatusType | null {
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const transient = this.presences.get(userId);
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if (transient && Date.now() - transient.timestamp <= PRESENCE_TTL_MS) {
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return transient.status;
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}
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return null;
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}
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hasTransientPresence(userId: string): boolean {
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const transient = this.presences.get(userId);
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return transient != null && Date.now() - transient.timestamp <= PRESENCE_TTL_MS;
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}
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clear(): void {
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this.presences.clear();
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}
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cleanup(): void {
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if (this.cleanupInterval) {
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clearInterval(this.cleanupInterval);
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this.cleanupInterval = null;
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}
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this.presences.clear();
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}
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}
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export default new TransientPresenceStoreClass();
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