refactor(subscription): move subscription helper functions to a separate file

2026-06-23 16:13:01 +08:00
parent a26dbec873
commit b40e6476bf
2 changed files with 87 additions and 78 deletions
@@ -0,0 +1,80 @@
+import type { PaymentPlan } from "@/data/dto/payment";
+
+import type { SubscriptionPlanView } from "./components/subscription-plan-card";
+
+export type SubscriptionType = "vip" | "voice";
+
+export const SUBSCRIPTION_BANNER_TITLES: Record<SubscriptionType, string> = {
+  vip: "Subscribe to become the VIP Member",
+  voice: "Buy Voice Message Package",
+};
+
+function isVipPlan(plan: PaymentPlan): boolean {
+  return plan.orderType.startsWith("vip_") || plan.planId.startsWith("vip_");
+}
+
+function isVoicePackagePlan(plan: PaymentPlan): boolean {
+  const orderType = plan.orderType.toLowerCase();
+  const planId = plan.planId.toLowerCase();
+  return (
+    plan.dolAmount !== null ||
+    orderType.startsWith("dol_") ||
+    planId.startsWith("dol_") ||
+    orderType.includes("voice") ||
+    planId.includes("voice")
+  );
+}
+
+export function isPlanForType(
+  plan: PaymentPlan,
+  subscriptionType: SubscriptionType,
+): boolean {
+  return subscriptionType === "voice"
+    ? isVoicePackagePlan(plan)
+    : isVipPlan(plan);
+}
+
+function currencySymbol(currency: string): string {
+  if (currency === "CNY") return "¥";
+  if (currency === "USD") return "$";
+  return `${currency} `;
+}
+
+function formatAmount(amountCents: number | null): string | null {
+  if (amountCents === null) return null;
+  return (amountCents / 100).toFixed(2).replace(/\.00$/, "");
+}
+
+function planCaption(
+  plan: PaymentPlan,
+  subscriptionType: SubscriptionType,
+): string {
+  if (subscriptionType === "voice") {
+    return plan.dolAmount === null
+      ? "Voice package"
+      : `${plan.dolAmount} voice messages`;
+  }
+  if (plan.dailyPriceCents !== null) {
+    const dailyPrice = formatAmount(plan.dailyPriceCents);
+    return dailyPrice === null
+      ? "Lifetime"
+      : `${currencySymbol(plan.currency)}${dailyPrice}/day`;
+  }
+  if (plan.vipDays === null) return "Lifetime";
+  const fallbackDailyPrice = plan.amountCents / Math.max(plan.vipDays, 1);
+  return `${currencySymbol(plan.currency)}${formatAmount(fallbackDailyPrice)}/day`;
+}
+
+export function toPlanView(
+  plan: PaymentPlan,
+  subscriptionType: SubscriptionType,
+): SubscriptionPlanView {
+  return {
+    id: plan.planId,
+    name: plan.planName,
+    price: formatAmount(plan.amountCents) ?? "",
+    originalPrice: formatAmount(plan.originalAmountCents),
+    perDay: planCaption(plan, subscriptionType),
+    currencySymbol: currencySymbol(plan.currency),
+  };
+}