88 lines
2.3 KiB
TypeScript
88 lines
2.3 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 {Config} from '@fluxer/api/src/Config';
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import type {UserRow} from '@fluxer/api/src/database/types/UserTypes';
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import {UserFlags} from '@fluxer/constants/src/UserConstants';
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import {ms} from 'itty-time';
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interface PremiumCheckable {
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premiumType: number | null;
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premiumUntil: Date | null;
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premiumWillCancel: boolean;
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flags: bigint;
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}
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export function checkIsPremium(user: PremiumCheckable): boolean {
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if (Config.instance.selfHosted) {
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return true;
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}
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if ((user.flags & UserFlags.PREMIUM_ENABLED_OVERRIDE) !== 0n) {
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return true;
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}
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if (user.premiumType == null || user.premiumType <= 0) {
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return false;
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}
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if (user.premiumUntil == null) {
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return true;
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}
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const nowMs = Date.now();
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const untilMs = user.premiumUntil.getTime();
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if (user.premiumWillCancel) {
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return nowMs <= untilMs;
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}
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return nowMs <= untilMs + ms('3 days');
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}
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export const PREMIUM_CLEAR_FIELDS = [
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'premium_type',
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'premium_since',
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'premium_until',
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'premium_will_cancel',
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'premium_billing_cycle',
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] as const;
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export type PremiumClearField = (typeof PREMIUM_CLEAR_FIELDS)[number];
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export function shouldStripExpiredPremium(user: PremiumCheckable): boolean {
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if ((user.premiumType ?? 0) <= 0) {
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return false;
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}
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return !checkIsPremium(user);
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}
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export function mapExpiredPremiumFields<T>(mapper: (field: PremiumClearField) => T): Record<PremiumClearField, T> {
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const result = {} as Record<PremiumClearField, T>;
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for (const field of PREMIUM_CLEAR_FIELDS) {
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result[field] = mapper(field);
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}
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return result;
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}
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export function createPremiumClearPatch(): Partial<UserRow> {
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return mapExpiredPremiumFields(() => null) as Partial<UserRow>;
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}
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