From 1f4181d776ca5b5ea4d7c1d00c9f9529253403ca Mon Sep 17 00:00:00 2001
From: Jamie Wood <me@jamiewood.io>
Date: Mon, 24 Jun 2024 00:19:06 +0100
Subject: [PATCH] feat(mailchimp): integrate changes from PR #65 by vpetersson

Co-authored-by: Viktor Petersson <self@vpetersson.com>
---
 src/routes/authorise.ts     |  5 +++-
 src/utils/config.ts         |  1 +
 src/utils/logAuthDrivers.ts | 54 +++++++++++++++++++++++++++++++++++--
 3 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/src/routes/authorise.ts b/src/routes/authorise.ts
index b7f1371..f2f3271 100644
--- a/src/routes/authorise.ts
+++ b/src/routes/authorise.ts
@@ -1,6 +1,6 @@
 import express, { Request, Response } from 'express';
 import { logger } from '../utils/logger';
-import { webhook, googleSheets } from '../utils/logAuthDrivers';
+import { webhook, googleSheets, mailchimp } from '../utils/logAuthDrivers';
 import { config, UnifiControllerType } from '../utils/config';
 import { createAxiosInstance } from '../utils/axios';
 
@@ -56,6 +56,9 @@ const logAuth = async (formData: any): Promise<void> => {
     case 'googlesheets':
       await googleSheets(formData);
       break;
+    case 'mailchimp':
+      await mailchimp(formData);
+      break;
     default:
       break;
   }
diff --git a/src/utils/config.ts b/src/utils/config.ts
index dfef14d..d856594 100644
--- a/src/utils/config.ts
+++ b/src/utils/config.ts
@@ -11,6 +11,7 @@ export enum LogAuthDriver {
   None = 'none',
   Webhook = 'webhook',
   Googlesheets = 'googlesheets',
+  Mailchimp = 'mailchimp',
 }
 
 export enum UnifiControllerType {
diff --git a/src/utils/logAuthDrivers.ts b/src/utils/logAuthDrivers.ts
index 46098fc..2da97a0 100644
--- a/src/utils/logAuthDrivers.ts
+++ b/src/utils/logAuthDrivers.ts
@@ -1,4 +1,5 @@
 import axios from 'axios';
+import crypto from 'crypto';
 import { logger } from './logger';
 import { GoogleSpreadsheet } from 'google-spreadsheet';
 import { JWT as GoogleAuthJWT, CredentialBody } from 'google-auth-library';
@@ -26,15 +27,17 @@ export const webhook = async (formData: FormData): Promise<void> => {
 export const googleSheets = async (formData: FormData): Promise<void> => {
   // Post formData to Google Sheets
   try {
-    // Decode the credentials from base64
+    //Ensure LOG_AUTH_GOOGLE_CREDENTIALS is defined
     if (!process.env.LOG_AUTH_GOOGLE_CREDENTIALS) {
       throw new Error('LOG_AUTH_GOOGLE_CREDENTIALS is not set');
     }
-    // Ensure LOG_AUTH_GOOGLE_SHEET_ID is defined and not empty
+
+    // Ensure LOG_AUTH_GOOGLE_SHEET_ID is defined
     const sheetId = process.env.LOG_AUTH_GOOGLE_SHEET_ID;
     if (!sheetId) {
       throw new Error('LOG_AUTH_GOOGLE_SHEET_ID is not set');
     }
+
     const credentialsBase64String = process.env.LOG_AUTH_GOOGLE_CREDENTIALS;
     if (!credentialsBase64String) {
       throw new Error('LOG_AUTH_GOOGLE_CREDENTIALS is not set');
@@ -69,3 +72,50 @@ export const googleSheets = async (formData: FormData): Promise<void> => {
     logger.error('Google Sheets Failed');
   }
 };
+
+export const mailchimp = async (formData: FormData): Promise<void> => {
+  //Ensure LOG_AUTH_MAILCHIMP_SERVER_PREFIX is defined
+  if (!process.env.LOG_AUTH_MAILCHIMP_SERVER_PREFIX) {
+    throw new Error('LOG_AUTH_MAILCHIMP_SERVER_PREFIX is not set');
+  }
+
+  //Ensure LOG_AUTH_MAILCHIMP_API_KEY is defined
+  if (!process.env.LOG_AUTH_MAILCHIMP_API_KEY) {
+    throw new Error('LOG_AUTH_MAILCHIMP_API_KEY is not set');
+  }
+
+  //Ensure LOG_AUTH_MAILCHIMP_LIST_ID is defined
+  if (!process.env.LOG_AUTH_MAILCHIMP_LIST_ID) {
+    throw new Error('LOG_AUTH_MAILCHIMP_LIST_ID is not set');
+  }
+
+  // Ensure formData.email is defined
+  if (!formData.email) {
+    throw new Error('Form has no property set - email');
+  }
+  try {
+    const userData = {
+      email_address: formData.email,
+      status: 'subscribed',
+    };
+    const subscriberHash = crypto
+      .createHash('md5')
+      .update(userData.email_address.toLowerCase())
+      .digest('hex');
+
+    const response = await axios({
+      method: 'post',
+      url: `https://${process.env.LOG_AUTH_MAILCHIMP_SERVER_PREFIX}.api.mailchimp.com/3.0/lists/${process.env.LOG_AUTH_MAILCHIMP_LIST_ID}/members/${subscriberHash}`,
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: `apikey ${process.env.LOG_AUTH_MAILCHIMP_API_KEY}`,
+      },
+      data: JSON.stringify(userData),
+    });
+
+    logger.info(`User added successfully: ${response.data}`);
+  } catch (err) {
+    logger.error(err);
+    logger.error('Mailchimp Failed');
+  }
+};