Feature/power

operations.js

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

server.js

@@ -1,7 +1,34 @@
 const express = require("express");
+const { powerFunction } = require("./operations");
+const { parseOperands } = require("./utils");
+
 
 const app = express();
 
+app.get("/add", (req, res) => {
+    const {x, y} = parseOperands(req);
+    const sum = add(x, y);
+    res.send(200, sum);
+});
+
+app.get("/subtract", (req, res) => {
+    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);
+});
+
+app.get("/power", (req, res) => {
+    const {x, y} = parseOperands(req);
+    const power = powerFunction(x,y);
+    res.send(200, power);
+});
+
 app.get("/", (req, res) => {
     res.send("Hello World");
 });

utils.js

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