CG-2274: Implement Refresh-token to Music Festival sample site (#42)

# CG-2274: Implement Refresh-token to Music Festival sample site

- Use refresh token to renew access token

Author: ThanhCN85

samples/musicfestival-frontend-nextjs/.env.local

@@ -5,11 +5,11 @@ AZURE_AD_TENANT_ID=7c4a1b79-4b8e-4ac7-b7e1-c5c3c5a4c139
 OKTA_CLIENT_ID=0oa7c6ejkpzJ0CtcS1d7
 OKTA_ISSUER=https://prep.login.optimizely.com
 NEXTAUTH_SECRET=JU1SARGXlbKHEIurfAQMtKu8j3ORBoGczJIzMJswVuk
-NEXT_PUBLIC_CONTENT_GRAPH_ENDPOINT=http://localhost:4000/content/v2?auth=ecAFyEXbIUuRGHoDSfgEDJmJMvvZVNVDMG2ciS4ri4PgfeTA&cache=false
+NEXT_PUBLIC_CONTENT_GRAPH_ENDPOINT=http://localhost:4000/content/v2?auth=OJHH4nplceEZKxBUsJDNlHnWSSPPZBxxW3reRvFAuEYynRsQ&cache=false
 
 NEXT_PUBLIC_CG_PROXY_URL=http://localhost:8082/EpiServer/ContentGraph/CGProxy/Query
 
 NEXT_PUBLIC_LOGIN_AUTHORITY="http://localhost:8082"
-NEXT_PUBLIC_LOGIN_CLIENT_ID=frontend
+NEXT_PUBLIC_EPISERVER_CLIENT_ID=frontend
 
 NEXT_PUBLIC_APPINSIGHTS_CONN_STR=

samples/musicfestival-frontend-nextjs/.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "name": "Next.js: debug server-side",
+        "type": "node-terminal",
+        "request": "launch",
+        "command": "npm run dev"
+      },
+      {
+        "name": "Next.js: debug client-side",
+        "type": "chrome",
+        "request": "launch",
+        "url": "http://localhost:3000"
+      },
+      {
+        "name": "Next.js: debug full stack",
+        "type": "node-terminal",
+        "request": "launch",
+        "command": "npm run dev",
+        "serverReadyAction": {
+          "pattern": "- Local:.+(https?://.+)",
+          "uriFormat": "%s",
+          "action": "debugWithChrome"
+        }
+      }
+    ]
+  }

samples/musicfestival-frontend-nextjs/constants.ts

@@ -0,0 +1,2 @@
+export const prod = process.env.NODE_ENV === 'production'
+export const baseUrl = prod ? process.env.NEXTAUTH_URL : (process.env.VERCEL_URL ?? process.env.NEXTAUTH_URL)