Assignment1/task5

operations.js

@@ -0,0 +1,3 @@
+exports.add = function(x, y) {
+    return x + y;
+}

server.js

@@ -1,30 +1,37 @@
 const express = require("express");
+const { add } = require("./operations");
+const { parseOperands } = require("./utils");
 
 const app = express();
 
 app.get("/add", (req, res) => {
-    const {x, y} = req.query;
-    const sum = parseInt(x) + parseInt(y);
-    res.send(200, sum);
+  const { x, y } = parseOperands(req);
+  const sum = add(x, y);
+  res.send(200, sum);
 });
 
 app.get("/subtract", (req, res) => {
-    const {x, y} = req.query;
-    const difference = parseInt(x) - parseInt(y);
-    res.send(200, difference);
+  const { x, y } = parseOperands(req);
+  const difference = subtract(x, y);
+  res.send(200, difference);
 });
 
 app.get("/multiply", (req, res) => {
-    const {x, y} = req.query;
-    const product = parseInt(x) * parseInt(y);
-    res.send(200, product);
+  const { x, y } = req.query;
+  const product = parseInt(x) * parseInt(y);
+  res.send(200, product);
+});
+
+app.get("/power", (req, res) => {
+  const { x, y } = req.query;
+  const power = x ** y;
+  res.send(200, power);
 });
 
 app.get("/", (req, res) => {
-    console.log("Root Path request");
-    res.send(200, "Hello World, this is becoming mmuch more fun!");
+  res.send("Hello World");
 });
 
 app.listen(8000, (req, res) => {
-    console.log("Server connected on port 8000");
+  console.log("Server connected on port 8000");
 });

utils.js

@@ -0,0 +1,7 @@
+exports.parseOperands = function(req) {
+    const params = req.query;
+    return {
+        x: parseFloat(params.x),
+        y: parseFloat(params.y),
+    };
+}