2 files changed, 23 insertions, 3 deletions
diff --git a/src/app.js b/src/app.js
index 7c7ac83..e363916 100644
--- a/src/app.js
+++ b/src/app.js
@@ -1,6 +1,6 @@
 const bodyParser = require('body-parser');
 const express = require('express');
-const { isSubscribed, getSubscriptions, getSubscriptionFromNumber } = require('./db');
+const { isSubscribed, getSubscriptions, getSubscriptionFromNumber, subscribe } = require('./db');
 const { sendTextMessage } = require('./sendTextMessage');
 const { MessagingResponse } = require('twilio').twiml;
 
@@ -35,10 +35,28 @@ app.post('/sms', (req, res) => {
       recipients: "${abbreviatedBody}". Only you can see this message.
     `;
     sendTextMessage([senderSubscription], confirmationMessage);
+  } else {
+    if (body.toLocaleLowerCase().startsWith('my name is ') || body.toLocaleLowerCase().startsWith('my name is: ')) {
+      const senderName = body.matchAll(/^my name is:? (.*)$/)?.next()?.[1];
+
+      if (!senderName) {
+        const twiml = new MessagingResponse();
+        twiml.message("Please provide a name. Syntax: my name is <your name>");
+        res.type('text/xml').send(twiml.toString());
+        return;
+      }
+
+      const subscription = subscribe(senderPhoneNumber, senderName);
+      const welcomeMessage = `
+        Well done, ${senderName}! You have successfully subscribed to the Glen
+        Coe meet texting group. You will now be able to send and receive messages
+        to and from the group.
+      `;
+      sendTextMessage([subscription], welcomeMessage);
+    }
   }
 
   const twiml = new MessagingResponse();
-  twiml.message(JSON.stringify(body));
   res.type('text/xml').send(twiml.toString());
 });
 
diff --git a/src/db.js b/src/db.js
index b668495..ba37a30 100644
--- a/src/db.js
+++ b/src/db.js
@@ -9,7 +9,9 @@ const subscriptions = [];
  * @param {string} name
  */
 function subscribe(number, name) {
-  subscriptions.push({ name, number });
+  const subscription = { name, number };
+  subscriptions.push(subscription);
+  return subscription;
 }
 
 /**