🛂 Add new yearly plans and graduated pricing

BREAKING CHANGE: Stripe environment variables have changed. New ones are required. Check out the new Stripe configuration in the
docs.

Closes #457

apps/builder/src/features/billing/api/updateSubscription.ts

@@ -7,6 +7,12 @@ import { workspaceSchema } from '@typebot.io/schemas'
 import Stripe from 'stripe'
 import { isDefined } from '@typebot.io/lib'
 import { z } from 'zod'
+import {
+  getChatsLimit,
+  getStorageLimit,
+  priceIds,
+} from '@typebot.io/lib/pricing'
+import { chatPriceIds, storagePriceIds } from './getSubscription'
 
 export const updateSubscription = authenticatedProcedure
   .meta({
@@ -25,6 +31,7 @@ export const updateSubscription = authenticatedProcedure
       additionalChats: z.number(),
       additionalStorage: z.number(),
       currency: z.enum(['usd', 'eur']),
+      isYearly: z.boolean(),
     })
   )
   .output(
@@ -40,14 +47,11 @@ export const updateSubscription = authenticatedProcedure
         additionalChats,
         additionalStorage,
         currency,
+        isYearly,
       },
       ctx: { user },
     }) => {
-      if (
-        !process.env.STRIPE_SECRET_KEY ||
-        !process.env.STRIPE_ADDITIONAL_CHATS_PRICE_ID ||
-        !process.env.STRIPE_ADDITIONAL_STORAGE_PRICE_ID
-      )
+      if (!process.env.STRIPE_SECRET_KEY)
         throw new TRPCError({
           code: 'INTERNAL_SERVER_ERROR',
           message: 'Stripe environment variables are missing',
@@ -70,42 +74,48 @@ export const updateSubscription = authenticatedProcedure
         customer: workspace.stripeId,
       })
       const subscription = data[0] as Stripe.Subscription | undefined
-      const currentStarterPlanItemId = subscription?.items.data.find(
-        (item) => item.price.id === process.env.STRIPE_STARTER_PRICE_ID
-      )?.id
-      const currentProPlanItemId = subscription?.items.data.find(
-        (item) => item.price.id === process.env.STRIPE_PRO_PRICE_ID
+      const currentPlanItemId = subscription?.items.data.find((item) =>
+        [
+          process.env.STRIPE_STARTER_PRODUCT_ID,
+          process.env.STRIPE_PRO_PRODUCT_ID,
+        ].includes(item.price.product.toString())
       )?.id
       const currentAdditionalChatsItemId = subscription?.items.data.find(
-        (item) => item.price.id === process.env.STRIPE_ADDITIONAL_CHATS_PRICE_ID
+        (item) => chatPriceIds.includes(item.price.id)
       )?.id
       const currentAdditionalStorageItemId = subscription?.items.data.find(
-        (item) =>
-          item.price.id === process.env.STRIPE_ADDITIONAL_STORAGE_PRICE_ID
+        (item) => storagePriceIds.includes(item.price.id)
       )?.id
+      const frequency = isYearly ? 'yearly' : 'monthly'
+
       const items = [
         {
-          id: currentStarterPlanItemId ?? currentProPlanItemId,
-          price:
-            plan === Plan.STARTER
-              ? process.env.STRIPE_STARTER_PRICE_ID
-              : process.env.STRIPE_PRO_PRICE_ID,
+          id: currentPlanItemId,
+          price: priceIds[plan].base[frequency],
           quantity: 1,
         },
         additionalChats === 0 && !currentAdditionalChatsItemId
           ? undefined
           : {
               id: currentAdditionalChatsItemId,
-              price: process.env.STRIPE_ADDITIONAL_CHATS_PRICE_ID,
-              quantity: additionalChats,
+              price: priceIds[plan].chats[frequency],
+              quantity: getChatsLimit({
+                plan,
+                additionalChatsIndex: additionalChats,
+                customChatsLimit: null,
+              }),
               deleted: subscription ? additionalChats === 0 : undefined,
             },
         additionalStorage === 0 && !currentAdditionalStorageItemId
           ? undefined
           : {
               id: currentAdditionalStorageItemId,
-              price: process.env.STRIPE_ADDITIONAL_STORAGE_PRICE_ID,
-              quantity: additionalStorage,
+              price: priceIds[plan].storage[frequency],
+              quantity: getStorageLimit({
+                plan,
+                additionalStorageIndex: additionalStorage,
+                customStorageLimit: null,
+              }),
               deleted: subscription ? additionalStorage === 0 : undefined,
             },
       ].filter(isDefined)
@@ -126,6 +136,9 @@ export const updateSubscription = authenticatedProcedure
           items,
           currency,
           default_payment_method: paymentMethods[0].id,
+          automatic_tax: {
+            enabled: true,
+          },
         })
       }