refactor progress

packages/marketing/src/PricingUtils.tsx

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer 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.
+ *
+ * Fluxer 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 Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/** @jsxRuntime automatic */
+/** @jsxImportSource hono/jsx */
+
+import type {ValueOf} from '@fluxer/constants/src/ValueOf';
+
+export const PricingTier = {
+	Monthly: 'monthly',
+	Yearly: 'yearly',
+} as const;
+
+export type PricingTier = ValueOf<typeof PricingTier>;
+
+export const Currency = {
+	USD: 'USD',
+	EUR: 'EUR',
+} as const;
+
+export type Currency = ValueOf<typeof Currency>;
+
+const EEA_COUNTRIES = [
+	'AT',
+	'BE',
+	'BG',
+	'HR',
+	'CY',
+	'CZ',
+	'DK',
+	'EE',
+	'FI',
+	'FR',
+	'DE',
+	'GR',
+	'HU',
+	'IE',
+	'IT',
+	'LV',
+	'LT',
+	'LU',
+	'MT',
+	'NL',
+	'PL',
+	'PT',
+	'RO',
+	'SK',
+	'SI',
+	'ES',
+	'SE',
+	'IS',
+	'LI',
+	'NO',
+];
+
+export function getCurrency(countryCode: string): Currency {
+	return isEeaCountry(countryCode) ? Currency.EUR : Currency.USD;
+}
+
+export function isEeaCountry(countryCode: string): boolean {
+	const upperCode = countryCode.toUpperCase();
+	return EEA_COUNTRIES.includes(upperCode);
+}
+
+export function getPriceCents(tier: PricingTier, currency: Currency): number {
+	if (tier === PricingTier.Monthly) return currency === Currency.USD ? 499 : 499;
+	if (tier === PricingTier.Yearly) return currency === Currency.USD ? 4999 : 4999;
+	return 0;
+}
+
+export function formatPriceCents(priceCents: number, currency: Currency): string {
+	const amount = formatAmountCents(priceCents);
+	return currency === Currency.EUR ? `€${amount}` : `$${amount}`;
+}
+
+function formatAmountCents(priceCents: number): string {
+	const dollars = Math.floor(priceCents / 100);
+	const cents = priceCents % 100;
+	const centsText = cents < 10 ? `0${cents}` : `${cents}`;
+	return `${dollars}.${centsText}`;
+}
+
+export function getFormattedPrice(tier: PricingTier, countryCode: string): string {
+	const currency = getCurrency(countryCode);
+	const priceCents = getPriceCents(tier, currency);
+	return formatPriceCents(priceCents, currency);
+}