Create newsletter signup app

app.js

@@ -0,0 +1,55 @@
+const express = require('express')
+const mailchimp = require("@mailchimp/mailchimp_marketing")
+
+const app = express()
+
+app.use(express.static(__dirname))
+app.use(express.json())
+app.use(express.urlencoded({extended: true}))
+
+app.get("/", (req, res) => {
+    res.sendFile(__dirname + "/signup.html")
+})
+
+mailchimp.setConfig({
+    apiKey: process.env.MC_API_KEY,
+    server: process.env.MC_SERVER
+})
+
+app.post("/", (req, res) => {
+    const firstName = req.body.fName
+    const lastName = req.body.lName
+    const email = req.body.email
+
+    async function addContact(contactData) {
+        try {
+            const response = await mailchimp.lists.addListMember(process.env.MC_LIST_ID, contactData)
+            console.log(`Successfully added contact as an audience member. The contact's id is ${response.id}`)
+            res.sendFile(__dirname + "/success.html")
+        }
+        catch(err) {
+            // console.log(err)
+            res.sendFile(__dirname + "/failure.html")
+        }
+    }
+
+    const contactObject = 
+            {
+                email_address: email,
+                status: "subscribed",
+                merge_fields: {
+                    EMAIL: email,
+                    FNAME: firstName,
+                    LNAME: lastName
+                }
+            }
+
+    const payload = JSON.stringify(contactObject)
+    addContact(payload)
+    // console.log(firstName + lastName + email)
+    // console.log(payload)
+})
+
+app.listen(process.env.PORT || '3000', (req, res) => {
+    console.log("Server is running.")
+})