Code refactoring

functions/util/FBAuth.js

@@ -0,0 +1,35 @@
+const {admin, db} = require('./admin');
+
+// Acts as a middleman between the client and any function that you use it with
+// The function will only execute if the user is logged in, or rather, they have
+// a valid token
+module.exports = (req, resp, next) => {
+    let idToken;
+
+    // Checking that the token exists in the header of the request
+    if (req.headers.authorization && req.headers.authorization.startsWith('Bearer ')) {
+        idToken = req.headers.authorization.split('Bearer ')[1];
+    } else {
+        console.error('No token found');
+        return resp.status(403).json({ error: 'Unauthorized' });
+    }
+
+    // Checking that the token is valid in firebase
+    admin.auth().verifyIdToken(idToken)
+        .then(decodedToken => {
+            req.user = decodedToken;
+            console.log(decodedToken);
+            return db.collection('users')
+                .where('userId', '==', req.user.uid)
+                .limit(1)
+                .get();
+        })
+        .then(data => {
+            req.user.handle = data.docs[0].data().handle;  // Save username
+            return next();
+        })
+        .catch(err => {
+            console.error('Error verifying token', err);
+            return res.status(403).json(err);
+        })
+};

functions/util/admin.js

@@ -0,0 +1,7 @@
+const admin = require('firebase-admin');
+
+admin.initializeApp();
+
+const db = admin.firestore();
+
+module.exports = {admin, db};

functions/util/config.js

@@ -0,0 +1,9 @@
+module.exports = {
+    apiKey: "AIzaSyCvsWetg4qFdsPGfJ3LCw_QaaYzoan7Q34",
+    authDomain: "twistter-e4649.firebaseapp.com",
+    databaseURL: "https://twistter-e4649.firebaseio.com",
+    projectId: "twistter-e4649",
+    storageBucket: "twistter-e4649.appspot.com",
+    messagingSenderId: "20131817365",
+    appId: "1:20131817365:web:633c95fb08b16d4526b89c"
+};

functions/util/validator.js

@@ -0,0 +1,17 @@
+const isEmpty = (str) => {
+    if (str.trim() === '') return true;
+    else return false;
+};
+
+exports.validateUpdateProfileInfo = (profileData) => {
+    let errors = {}
+
+    if (isEmpty(profileData.email)) {
+        errors.email = "Must not be empty.";
+    }
+
+    return {
+        errors,
+        valid: Object.keys(errors).length === 0 ? true : false
+    }
+};