Hard paywall

server/lib/billing.js

@@ -1,17 +1,18 @@
 const { get, run } = require('./postgres');
 
-const FREE_MONTHLY_CREDITS = 15;
-const PRO_MONTHLY_CREDITS = 250;
-const TOPUP_DEFAULT_CREDITS = 60;
+const FREE_MONTHLY_CREDITS = 0;
+const TRIAL_MONTHLY_CREDITS = 30;
+const PRO_MONTHLY_CREDITS = 100;
+const TOPUP_DEFAULT_CREDITS = 100;
 const REVENUECAT_PRO_ENTITLEMENT_ID = (process.env.REVENUECAT_PRO_ENTITLEMENT_ID || 'pro').trim() || 'pro';
 const SUPPORTED_SUBSCRIPTION_PRODUCTS = new Set(['monthly_pro', 'yearly_pro']);
 
 const TOPUP_CREDITS_BY_PRODUCT = {
   monthly_pro: 0,
   yearly_pro: 0,
-  topup_small: 25,
-  topup_medium: 120,
-  topup_large: 300,
+  topup_small: 30,
+  topup_medium: 100,
+  topup_large: 250,
 };
 
 const AVAILABLE_PRODUCTS = ['monthly_pro', 'yearly_pro', 'topup_small', 'topup_medium', 'topup_large'];
@@ -64,6 +65,22 @@ const getMonthlyAllowanceForPlan = (plan) => {
   return plan === 'pro' ? PRO_MONTHLY_CREDITS : FREE_MONTHLY_CREDITS;
 };
 
+const getRevenueCatPeriodType = (source) => {
+  return String(source?.periodType || source?.period_type || '').trim().toLowerCase();
+};
+
+const isRevenueCatTrial = (source) => {
+  return getRevenueCatPeriodType(source) === 'trial';
+};
+
+const isAllowedMonthlyAllowance = (account) => {
+  if (account.plan === 'pro') {
+    return account.monthlyAllowance === PRO_MONTHLY_CREDITS
+      || account.monthlyAllowance === TRIAL_MONTHLY_CREDITS;
+  }
+  return account.monthlyAllowance === FREE_MONTHLY_CREDITS;
+};
+
 const createInsufficientCreditsError = (required, available) => {
   const error = new Error(`Insufficient credits. Required ${required}, available ${available}.`);
   error.code = 'INSUFFICIENT_CREDITS';
@@ -130,7 +147,7 @@ const buildDefaultAccount = (userId, now) => {
 const alignAccountToCurrentCycle = (account, now) => {
   const next = { ...account };
   const expectedMonthlyAllowance = getMonthlyAllowanceForPlan(next.plan);
-  if (next.monthlyAllowance !== expectedMonthlyAllowance) {
+  if (!isAllowedMonthlyAllowance(next)) {
     next.monthlyAllowance = expectedMonthlyAllowance;
   }
 
@@ -238,6 +255,7 @@ const getOrCreateAccount = async (db, userId) => {
 };
 
 const getAvailableCredits = (account) => {
+  if (account.plan !== 'pro') return 0;
   const monthlyRemaining = Math.max(0, account.monthlyAllowance - account.usedThisCycle);
   return monthlyRemaining + Math.max(0, account.topupBalance);
 };
@@ -326,14 +344,22 @@ const getValidProEntitlement = (customerInfo) => {
 
 const applyRevenueCatEntitlementState = (account, options) => {
   const now = new Date();
+  const previousPlan = account.plan;
+  const previousMonthlyAllowance = account.monthlyAllowance;
   const nextPlan = options.active ? 'pro' : 'free';
-  const planChanged = account.plan !== nextPlan;
+  const nextMonthlyAllowance = options.active && options.isTrial
+    ? TRIAL_MONTHLY_CREDITS
+    : getMonthlyAllowanceForPlan(nextPlan);
+  const planChanged = previousPlan !== nextPlan;
+  const trialConvertedToPaid = previousPlan === 'pro'
+    && previousMonthlyAllowance === TRIAL_MONTHLY_CREDITS
+    && nextMonthlyAllowance === PRO_MONTHLY_CREDITS;
   account.plan = nextPlan;
   account.provider = 'revenuecat';
-  account.monthlyAllowance = getMonthlyAllowanceForPlan(account.plan);
+  account.monthlyAllowance = nextMonthlyAllowance;
   account.renewsAt = options.active ? options.renewsAt || account.renewsAt || addDays(now, 30).toISOString() : null;
 
-  if (planChanged) {
+  if (planChanged || trialConvertedToPaid) {
     const { cycleStartedAt, cycleEndsAt } = getCycleBounds(now);
     account.cycleStartedAt = cycleStartedAt.toISOString();
     account.cycleEndsAt = cycleEndsAt.toISOString();
@@ -401,6 +427,7 @@ const syncRevenueCatCustomerInfo = async (db, userId, customerInfo, options = {}
     if (source !== 'topup_purchase') {
       applyRevenueCatEntitlementState(account, {
         active: Boolean(proEntitlement),
+        isTrial: isRevenueCatTrial(proEntitlement),
         renewsAt: asIsoDate(proEntitlement?.expirationDate || proEntitlement?.expiresDate),
       });
     }
@@ -490,6 +517,7 @@ const syncRevenueCatWebhookEvent = async (db, eventPayload) => {
     if (affectsProEntitlement && shouldGrantRevenueCatSubscription(eventType)) {
       applyRevenueCatEntitlementState(account, {
         active: true,
+        isTrial: isRevenueCatTrial(eventPayload),
         renewsAt: asIsoDate(eventPayload?.expiration_at_ms || eventPayload?.expiration_at),
       });
     } else if (affectsProEntitlement && shouldRevokeRevenueCatSubscription(eventType)) {
@@ -519,6 +547,9 @@ const syncRevenueCatWebhookEvent = async (db, eventPayload) => {
 
 const consumeCredits = (account, cost) => {
   if (cost <= 0) return 0;
+  if (account.plan !== 'pro') {
+    throw createInsufficientCreditsError(cost, 0);
+  }
 
   const available = getAvailableCredits(account);
   if (available < cost) {
@@ -567,12 +598,12 @@ const consumeCreditsWithIdempotency = async (db, userId, key, cost) => {
 const getBillingSummary = async (db, userId) => {
   if (userId === 'guest') {
     return {
-      entitlement: { plan: 'free', provider: 'mock', status: 'active', renewsAt: null },
+      entitlement: { plan: 'free', provider: 'mock', status: 'inactive', renewsAt: null },
       credits: {
-        monthlyAllowance: 5,
+        monthlyAllowance: 0,
         usedThisCycle: 0,
         topupBalance: 0,
-        available: 5,
+        available: 0,
         cycleStartedAt: nowIso(),
         cycleEndsAt: nowIso(),
       },
@@ -595,7 +626,7 @@ const getAccountSnapshot = async (db, userId) => {
       provider: 'mock',
       cycleStartedAt: nowIso(),
       cycleEndsAt: nowIso(),
-      monthlyAllowance: 5,
+      monthlyAllowance: 0,
       usedThisCycle: 0,
       topupBalance: 0,
       renewsAt: null,