feat: migrate all server routes to new project structure (#156)

Author: gregjopa

client/components/fastlane/html/src/fastlane.js

@@ -121,7 +121,7 @@ async function renderFastlaneGuestExperience() {
 
 async function createOrder(paymentToken) {
   const response = await fetch(
-    "/paypal-api/checkout/orders/create-order-for-fastlane",
+    "/paypal-api/checkout/orders/create-order-for-card-with-single-use-token",
     {
       method: "POST",
       headers: {

server/node/README.md

@@ -108,7 +108,6 @@ export const PRODUCT_CATALOG: Record<string, Product> = {
 
 - `getProduct(sku: string)` - Get product by SKU
 - `getAllProducts()` - Get all products as array
-- `getProductPrice(sku: string)` - Get price for a specific SKU
 
 ---
 

server/node/src/customApiEndpoints/createSubscriptionProduct.ts

@@ -35,16 +35,16 @@ export async function createSubscriptionProduct(
     body: JSON.stringify(productDetails),
   });
 
-  const jsonResponse = await response.json();
+  const result = await response.json();
 
   if (!response.ok) {
-    const { message } = jsonResponse as CreateSubscriptionProductErrorResponse;
+    const { message } = result as CreateSubscriptionProductErrorResponse;
     throw new CustomApiError({
       message: message,
       statusCode: response.status,
-      jsonResponse,
+      result,
     });
   }
 
-  return jsonResponse as CreateSubscriptionProductSuccessResponse;
+  return result as CreateSubscriptionProductSuccessResponse;
 }

server/node/src/customApiEndpoints/findEligibleMethods.ts

@@ -68,12 +68,7 @@ export async function findEligibleMethods({
   userAgent?: string;
 }) {
   const accessToken = await getFullScopeAccessToken();
-  const { success, error, data } =
-    FindEligibleMethodsRequestSchema.safeParse(body);
-
-  if (!success) {
-    throw new Error(z.prettifyError(error));
-  }
+  const data = FindEligibleMethodsRequestSchema.parse(body);
 
   const response = await fetch(
     `${BASE_URL}/v2/payments/find-eligible-methods`,
@@ -89,16 +84,16 @@ export async function findEligibleMethods({
     },
   );
 
-  const jsonResponse = await response.json();
+  const result = await response.json();
 
   if (!response.ok) {
-    const { message } = jsonResponse as FindEligibleMethodsErrorResponse;
+    const { message } = result as FindEligibleMethodsErrorResponse;
     throw new CustomApiError({
       message: message || "Failed to find eligible methods",
       statusCode: response.status,
-      jsonResponse,
+      result,
     });
   }
 
-  return jsonResponse as FindEligibleMethodsSuccessResponse;
+  return result as FindEligibleMethodsSuccessResponse;
 }

server/node/src/customApiEndpoints/utils.ts

@@ -32,36 +32,36 @@ export async function getFullScopeAccessToken() {
     },
   });
 
-  const jsonResponse = await response.json();
+  const result = await response.json();
 
   if (!response.ok) {
-    const { error_description } = jsonResponse as AuthTokenErrorResponse;
+    const { error_description } = result as AuthTokenErrorResponse;
     throw new CustomApiError({
       message: error_description || "Failed to create full scope access token",
       statusCode: response.status,
-      jsonResponse,
+      result,
     });
   }
 
-  const { access_token } = jsonResponse as AuthTokenSuccessResponse;
+  const { access_token } = result as AuthTokenSuccessResponse;
   return access_token;
 }
 
 export class CustomApiError extends Error {
   statusCode: number;
-  jsonResponse: Record<string, unknown>;
+  result: Record<string, unknown>;
 
   constructor({
     message,
     statusCode,
-    jsonResponse,
+    result,
   }: {
     message: string;
     statusCode: number;
-    jsonResponse: Record<string, unknown>;
+    result: Record<string, unknown>;
   }) {
     super(message);
     this.statusCode = statusCode;
-    this.jsonResponse = jsonResponse;
+    this.result = result;
   }
 }

server/node/src/middleware/errorMiddleware.ts

@@ -2,6 +2,8 @@ import { z, ZodError } from "zod/v4";
 import { ApiError } from "@paypal/paypal-server-sdk";
 import type { Request, Response, NextFunction } from "express";
 
+import { CustomApiError } from "../customApiEndpoints/utils";
+
 export default async function errorMiddleware(
   error: Error,
   _request: Request,
@@ -13,7 +15,7 @@ export default async function errorMiddleware(
       error: "Bad Request",
       errorDescription: z.prettifyError(error),
     });
-  } else if (error instanceof ApiError) {
+  } else if (error instanceof ApiError || error instanceof CustomApiError) {
     const { result, statusCode } = error;
     response.status(statusCode).json(result);
   } else {