From 1d2451550b252e2503294b20f3e0031deea491e3 Mon Sep 17 00:00:00 2001
From: Luis Alvarez <luis@vercel.com>
Date: Wed, 19 May 2021 14:44:10 -0500
Subject: [PATCH] Added logout endpoint

---
 framework/bigcommerce/api/index.ts         |  3 ++-
 framework/bigcommerce/api/logout/index.ts  | 10 ++++++++++
 framework/bigcommerce/api/logout/logout.ts | 23 ++++++++++++++++++++++
 framework/bigcommerce/types/logout.ts      |  1 +
 framework/commerce/api/index.ts            |  7 ++++++-
 framework/commerce/types/logout.ts         | 11 +++++++++++
 6 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 framework/bigcommerce/api/logout/index.ts
 create mode 100644 framework/bigcommerce/api/logout/logout.ts
 create mode 100644 framework/bigcommerce/types/logout.ts
 create mode 100644 framework/commerce/types/logout.ts

diff --git a/framework/bigcommerce/api/index.ts b/framework/bigcommerce/api/index.ts
index 425759df5..609ffcfca 100644
--- a/framework/bigcommerce/api/index.ts
+++ b/framework/bigcommerce/api/index.ts
@@ -12,6 +12,7 @@ import fetchStoreApi from './utils/fetch-store-api'
 import type { CartAPI } from './cart'
 import type { CustomerAPI } from './customer'
 import type { LoginAPI } from './login'
+import type { LogoutAPI } from './logout'
 import login from './operations/login'
 
 export interface BigcommerceConfig extends CommerceAPIConfig {
@@ -113,7 +114,7 @@ export const provider = {
 
 export type Provider = typeof provider
 
-export type APIs = CartAPI | CustomerAPI | LoginAPI
+export type APIs = CartAPI | CustomerAPI | LoginAPI | LogoutAPI
 
 export type BigcommerceAPI<P extends Provider = Provider> = CommerceAPI<P>
 
diff --git a/framework/bigcommerce/api/logout/index.ts b/framework/bigcommerce/api/logout/index.ts
new file mode 100644
index 000000000..eb658860c
--- /dev/null
+++ b/framework/bigcommerce/api/logout/index.ts
@@ -0,0 +1,10 @@
+import type { GetAPISchema } from '@commerce/api'
+import type { LogoutSchema } from '../../types/logout'
+import type { BigcommerceAPI } from '..'
+import logout from './logout'
+
+export type LogoutAPI = GetAPISchema<BigcommerceAPI, LogoutSchema>
+
+export type LogoutEndpoint = LogoutAPI['endpoint']
+
+export const operations = { logout }
diff --git a/framework/bigcommerce/api/logout/logout.ts b/framework/bigcommerce/api/logout/logout.ts
new file mode 100644
index 000000000..0a0673714
--- /dev/null
+++ b/framework/bigcommerce/api/logout/logout.ts
@@ -0,0 +1,23 @@
+import { serialize } from 'cookie'
+import type { LogoutEndpoint } from '.'
+
+const logout: LogoutEndpoint['operations']['logout'] = async ({
+  res,
+  body: { redirectTo },
+  config,
+}) => {
+  // Remove the cookie
+  res.setHeader(
+    'Set-Cookie',
+    serialize(config.customerCookie, '', { maxAge: -1, path: '/' })
+  )
+
+  // Only allow redirects to a relative URL
+  if (redirectTo?.startsWith('/')) {
+    res.redirect(redirectTo)
+  } else {
+    res.status(200).json({ data: null })
+  }
+}
+
+export default logout
diff --git a/framework/bigcommerce/types/logout.ts b/framework/bigcommerce/types/logout.ts
new file mode 100644
index 000000000..9f0a466af
--- /dev/null
+++ b/framework/bigcommerce/types/logout.ts
@@ -0,0 +1 @@
+export * from '@commerce/types/logout'
diff --git a/framework/commerce/api/index.ts b/framework/commerce/api/index.ts
index 86ac17e43..f55bf9ce2 100644
--- a/framework/commerce/api/index.ts
+++ b/framework/commerce/api/index.ts
@@ -4,6 +4,7 @@ import type { APIEndpoint, APIHandler } from './utils/types'
 import type { CartSchema } from '../types/cart'
 import type { CustomerSchema } from '../types/customer'
 import type { LoginSchema } from '../types/login'
+import type { LogoutSchema } from '../types/logout'
 import {
   defaultOperations,
   OPERATIONS,
@@ -11,7 +12,11 @@ import {
   APIOperations,
 } from './operations'
 
-export type APISchemas = CartSchema | CustomerSchema | LoginSchema
+export type APISchemas =
+  | CartSchema
+  | CustomerSchema
+  | LoginSchema
+  | LogoutSchema
 
 export type GetAPISchema<
   C extends CommerceAPI<any>,
diff --git a/framework/commerce/types/logout.ts b/framework/commerce/types/logout.ts
new file mode 100644
index 000000000..642095e4d
--- /dev/null
+++ b/framework/commerce/types/logout.ts
@@ -0,0 +1,11 @@
+export type LogoutSchema = {
+  endpoint: {
+    options: {}
+    operations: {
+      logout: {
+        data: null
+        body: { redirectTo?: string }
+      }
+    }
+  }
+}