express: WIP

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

express/server.js

@@ -1,16 +1,27 @@
 const express = require('express');
+const fs = require('fs');
 const bodyParser = require('body-parser');
+const Redis = require('ioredis');
 const app = express();
 const port = 3000;
 
-// Dummy database for storing button clicks
-const buttonClicks = {
-    'Button 1': 0,
-    'Button 2': 0,
-};
+// Create a Redis Client
+const redis = new Redis();
 
 app.use(bodyParser.json());
 
+var animals;
+// check and load animals into redis
+fs.readFile("./animals.json", function (err, data) {
+    if (err) {
+            throw err;
+     }
+    var jsondata = JSON.parse(data);
+    animals = jsondata.animals;
+    //await redis.set('animals', jsondata.animals, 'EX', 3000);
+   });
+
+
 // Serve the HTML file
 app.get('/', (req, res) => {
     res.sendFile(__dirname + '/index.html');
@@ -18,20 +29,47 @@ app.get('/', (req, res) => {
 
 // Route to get a random animal name
 app.get('/getRandomAnimal', (req, res) => {
-    const animals = ['Dog', 'Cat', 'Elephant', 'Lion', 'Giraffe'];
     const randomAnimal = animals[Math.floor(Math.random() * animals.length)];
     res.json({ animalName: randomAnimal });
 });
 
 // Route to record button clicks
 app.post('/recordButtonClick', (req, res) => {
-    const { buttonName } = req.body;
+  try {
+    const { buttonName, sessionId } = req.body;
+
+    // Use a Redis hash to store button clicks associated with session IDs
+    await redis.hincrby('buttonClicks', `${sessionId}:${buttonName}`, 1);
+
+    res.sendStatus(200);
+
     if (buttonClicks.hasOwnProperty(buttonName)) {
         buttonClicks[buttonName]++;
         res.sendStatus(200);
     } else {
         res.status(400).json({ error: 'Invalid button name' });
     }
+  } catch  (error) {
+    console.error('Error recording button click:', error);
+    res.status(500).json({ error: 'Internal server error' });
+  }
+});
+
+
+// Route to show the current results
+app.get('/results', async (req, res) => {
+    try {
+        // Get the current random animal from Redis
+        const randomAnimal = await redis.get('randomAnimal');
+
+        // Get the button click counts from the Redis hash
+        const buttonClicks = await redis.hgetall('buttonClicks');
+
+        res.json({ randomAnimal, buttonClicks });
+    } catch (error) {
+        console.error('Error fetching results:', error);
+        res.status(500).json({ error: 'Internal server error' });
+    }
 });
 
 app.listen(port, () => {