added folders to organize files

functions/handlers/post.js

@@ -0,0 +1,27 @@
+/* eslint-disable promise/always-return */
+exports.putPost = (req, res) => {
+    if (req.body.body.trim() === '') {
+        return res.status(400).json({ body: 'Body must not be empty!'});
+    }
+
+    const newPost = {
+        body: req.body.body,
+        userHandle: req.user.handle,
+        userImage: req.user.imageUrl,
+        createdAt: new Date().toISOString(),
+        likeCount: 0,
+        commentCount: 0
+    };
+
+    db.collection('post').add(newPost)
+        .then((doc) => {
+            const resPost = newPost;
+            resPost.postId = doc.id;
+            res.json(resPost);
+        })
+        .catch((err) => {
+            res.status(500).json({ error: 'something is wrong'});
+            console.error(err);
+        });
+};
+

functions/handlers/users.js

@@ -0,0 +1,33 @@
+exports.getUserDetails = (req, res) => {
+    let userData = {};
+    db.doc('/users/${req.params.handle}').get().then((doc) => {
+            if (doc.exists) {
+                userData.user = doc.data();
+                return db.collection('post').where('userHandle', '==', req.params.handle)
+                    .orderBy('createdAt', 'desc').get();
+            } else {
+                return res.status(404).json({
+                    error: 'User not found'
+                });
+            }
+        })
+        .then((data) => {
+            userData.posts = [];
+            data.forEach((doc) => {
+                userData.posts.push({
+                    body: doc.data().body,
+                    createAt: doc.data().createAt,
+                    userHandle: doc.data().userHandle,
+                    userImage: doc.data().userImage,
+                    likeCount: doc.data().likeCount,
+                    commentCount: doc.data().commentCount,
+                    postId: doc.id
+                });
+            });
+            return res.json(userData);
+        })
+        .catch((err) => {
+            console.error(err);
+            return res.status(500).json({ error: err.code});
+        });
+};

functions/util/admin.js

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+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/fbAuth.js

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+const { admin, db } = require('./admin');
+
+module.exports = (req, res, next) => {
+    let idToken;
+    if (req.headers.authorization) {
+        idToken = req.headers.authorization;
+    } else {
+        console.error('No token found');
+        return res.status(403).json({ error: 'Unauthorized'});
+    }
+
+    admin.auth().verifyIdToken(idToken)
+        .then((decodedToken) => {
+            req.user = decodedToken;
+            return db.collection('users').where('userId', '==', req.user.uid)
+            .limit(1)
+            .get();
+        })
+        .then((data) => {
+            req.user.handle = data.docs[0].data().handle;
+            req.user.imageUrl = data.docs[0].data().imageUrl;
+            return next();
+        })
+        .catch((err) => {
+            console.error('Error while verifying token ', err);
+            return res.status(403).json(err);
+        });
+};