Satyam

README.md

@@ -0,0 +1,3 @@
+# Week-2
+
+    middlewares and jwt assignment completed.

week-3/01-middlewares/.gitignore

@@ -1 +1,4 @@
 node_modules
+package.json
+package-lock.json
+week-3/01-middlewares/coverage/

week-3/01-middlewares/01-requestcount.js

@@ -1,6 +1,6 @@
-const request = require('supertest');
-const assert = require('assert');
-const express = require('express');
+const request = require("supertest");
+const assert = require("assert");
+const express = require("express");
 
 const app = express();
 let requestCount = 0;
@@ -9,17 +9,23 @@ let requestCount = 0;
 // Your task is to create a global middleware (app.use) which will
 // maintain a count of the number of requests made to the server in the global
 // requestCount variable
+app.use((req, res, next) => {
+  requestCount = requestCount + 1;
+  next();
+});
 
-app.get('/user', function(req, res) {
-  res.status(200).json({ name: 'john' });
+app.get("/user", function (req, res) {
+  res.status(200).json({ name: "john" });
 });
 
-app.post('/user', function(req, res) {
-  res.status(200).json({ msg: 'created dummy user' });
+app.post("/user", function (req, res) {
+  res.status(200).json({ msg: "created dummy user" });
 });
 
-app.get('/requestCount', function(req, res) {
+app.get("/requestCount", function (req, res) {
   res.status(200).json({ requestCount });
 });
 
-module.exports = app;
+// app.listen(3000);
+
+module.exports = app;

week-3/01-middlewares/02-ratelimitter.js

@@ -1,6 +1,6 @@
-const request = require('supertest');
-const assert = require('assert');
-const express = require('express');
+const request = require("supertest");
+const assert = require("assert");
+const express = require("express");
 const app = express();
 // You have been given an express server which has a few endpoints.
 // Your task is to create a global middleware (app.use) which will
@@ -13,15 +13,31 @@ const app = express();
 
 let numberOfRequestsForUser = {};
 setInterval(() => {
-    numberOfRequestsForUser = {};
-}, 1000)
+  numberOfRequestsForUser = {};
+}, 1000);
 
-app.get('/user', function(req, res) {
-  res.status(200).json({ name: 'john' });
+app.use(function (req, res, next) {
+  const userId = req.headers["user-id"];
+
+  if (!numberOfRequestsForUser[userId]) {
+    numberOfRequestsForUser[userId] = 1;
+    return next();
+  }
+  if (numberOfRequestsForUser[userId]) {
+    numberOfRequestsForUser[userId]++;
+    if (numberOfRequestsForUser[userId] > 5) {
+      res.status(404).send("Too Many Attemps");
+    }
+    next();
+  }
+});
+
+app.get("/user", function (req, res) {
+  res.status(200).json({ name: "john" });
 });
 
-app.post('/user', function(req, res) {
-  res.status(200).json({ msg: 'created dummy user' });
+app.post("/user", function (req, res) {
+  res.status(200).json({ msg: "created dummy user" });
 });
 
-module.exports = app;
+module.exports = app;

week-3/01-middlewares/03-errorcount.js

@@ -1,6 +1,6 @@
-const request = require('supertest');
-const assert = require('assert');
-const express = require('express');
+const request = require("supertest");
+const assert = require("assert");
+const express = require("express");
 
 const app = express();
 let errorCount = 0;
@@ -10,17 +10,22 @@ let errorCount = 0;
 // 1. Ensure that if there is ever an exception, the end user sees a status code of 404
 // 2. Maintain the errorCount variable whose value should go up every time there is an exception in any endpoint
 
-app.get('/user', function(req, res) {
+app.get("/user", function (req, res) {
   throw new Error("User not found");
-  res.status(200).json({ name: 'john' });
+  res.status(200).json({ name: "john" });
 });
 
-app.post('/user', function(req, res) {
-  res.status(200).json({ msg: 'created dummy user' });
+app.post("/user", function (req, res) {
+  res.status(200).json({ msg: "created dummy user" });
 });
 
-app.get('/errorCount', function(req, res) {
+app.get("/errorCount", function (req, res) {
   res.status(200).json({ errorCount });
 });
 
-module.exports = app;
+app.use((err, req, res, next) => {
+  res.status(404).send({});
+  errorCount++;
+});
+
+module.exports = app;

week-3/01-middlewares/coverage/clover.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<coverage generated="1736877925424" clover="3.2.0">
+  <project timestamp="1736877925424" name="All files">
+    <metrics statements="31" coveredstatements="29" conditionals="4" coveredconditionals="3" methods="0" coveredmethods="0" elements="35" coveredelements="32" complexity="0" loc="31" ncloc="31" packages="1" files="1" classes="1"/>
+    <file name="03-errorcount.js" path="C:\Users\ssaty\OneDrive\Desktop\Cohort2\assignments\week-3\01-middlewares\03-errorcount.js">
+      <metrics statements="31" coveredstatements="29" conditionals="4" coveredconditionals="3" methods="0" coveredmethods="0"/>
+      <line num="1" count="1" type="stmt"/>
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+      <line num="30" count="1" type="stmt"/>
+      <line num="31" count="1" type="stmt"/>
+    </file>
+  </project>
+</coverage>

week-3/01-middlewares/coverage/coverage-final.json

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week-3/01-middlewares/coverage/lcov-report/01-requestcount.js.html

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+
+<!doctype html>
+<html lang="en">
+
+<head>
+    <title>Code coverage report for 01-requestcount.js</title>
+    <meta charset="utf-8" />
+    <link rel="stylesheet" href="prettify.css" />
+    <link rel="stylesheet" href="base.css" />
+    <link rel="shortcut icon" type="image/x-icon" href="favicon.png" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <style type='text/css'>
+        .coverage-summary .sorter {
+            background-image: url(sort-arrow-sprite.png);
+        }
+    </style>
+</head>
+
+<body>
+<div class='wrapper'>
+    <div class='pad1'>
+        <h1><a href="index.html">All files</a> 01-requestcount.js</h1>
+        <div class='clearfix'>
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">96.77% </span>
+                <span class="quiet">Statements</span>
+                <span class='fraction'>30/31</span>
+            </div>
+
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">100% </span>
+                <span class="quiet">Branches</span>
+                <span class='fraction'>3/3</span>
+            </div>
+
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">100% </span>
+                <span class="quiet">Functions</span>
+                <span class='fraction'>0/0</span>
+            </div>
+
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">96.77% </span>
+                <span class="quiet">Lines</span>
+                <span class='fraction'>30/31</span>
+            </div>
+
+
+        </div>
+        <p class="quiet">
+            Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
+        </p>
+        <template id="filterTemplate">
+            <div class="quiet">
+                Filter:
+                <input oninput="onInput()" type="search" id="fileSearch">
+            </div>
+        </template>
+    </div>
+    <div class='status-line high'></div>
+    <pre><table class="coverage">
+<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
+<a name='L2'></a><a href='#L2'>2</a>
+<a name='L3'></a><a href='#L3'>3</a>
+<a name='L4'></a><a href='#L4'>4</a>
+<a name='L5'></a><a href='#L5'>5</a>
+<a name='L6'></a><a href='#L6'>6</a>
+<a name='L7'></a><a href='#L7'>7</a>
+<a name='L8'></a><a href='#L8'>8</a>
+<a name='L9'></a><a href='#L9'>9</a>
+<a name='L10'></a><a href='#L10'>10</a>
+<a name='L11'></a><a href='#L11'>11</a>
+<a name='L12'></a><a href='#L12'>12</a>
+<a name='L13'></a><a href='#L13'>13</a>
+<a name='L14'></a><a href='#L14'>14</a>
+<a name='L15'></a><a href='#L15'>15</a>
+<a name='L16'></a><a href='#L16'>16</a>
+<a name='L17'></a><a href='#L17'>17</a>
+<a name='L18'></a><a href='#L18'>18</a>
+<a name='L19'></a><a href='#L19'>19</a>
+<a name='L20'></a><a href='#L20'>20</a>
+<a name='L21'></a><a href='#L21'>21</a>
+<a name='L22'></a><a href='#L22'>22</a>
+<a name='L23'></a><a href='#L23'>23</a>
+<a name='L24'></a><a href='#L24'>24</a>
+<a name='L25'></a><a href='#L25'>25</a>
+<a name='L26'></a><a href='#L26'>26</a>
+<a name='L27'></a><a href='#L27'>27</a>
+<a name='L28'></a><a href='#L28'>28</a>
+<a name='L29'></a><a href='#L29'>29</a>
+<a name='L30'></a><a href='#L30'>30</a>
+<a name='L31'></a><a href='#L31'>31</a>
+<a name='L32'></a><a href='#L32'>32</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span>
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+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-no">&nbsp;</span>
+<span class="cline-any cline-yes">1x</span>
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+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">const request = require("supertest");
+const assert = require("assert");
+const express = require("express");
+&nbsp;
+const app = express();
+let requestCount = 0;
+&nbsp;
+// You have been given an express server which has a few endpoints.
+// Your task is to create a global middleware (app.use) which will
+// maintain a count of the number of requests made to the server in the global
+// requestCount variable
+app.use((req, res, next) =&gt; {
+  requestCount = requestCount + 1;
+  next();
+});
+&nbsp;
+app.get("/user", function (req, res) {
+  res.status(200).json({ name: "john" });
+});
+&nbsp;
+app.post("/user", function (req, res) {
+<span class="cstat-no" title="statement not covered" >  res.status(200).json({ msg: "created dummy user" });</span>
+});
+&nbsp;
+app.get("/requestCount", function (req, res) {
+  res.status(200).json({ requestCount });
+});
+&nbsp;
+// app.listen(3000);
+&nbsp;
+module.exports = app;
+&nbsp;</pre></td></tr></table></pre>
+
+                <div class='push'></div><!-- for sticky footer -->
+            </div><!-- /wrapper -->
+            <div class='footer quiet pad2 space-top1 center small'>
+                Code coverage generated by
+                <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
+                at 2025-01-14T17:34:00.457Z
+            </div>
+        <script src="prettify.js"></script>
+        <script>
+            window.onload = function () {
+                prettyPrint();
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+</html>
+