From 52aafc384de541e4e5b8a93d3c5a239b0747e40f Mon Sep 17 00:00:00 2001
From: pritesh <shukla.pritesh214@gmail.com>
Date: Tue, 19 Sep 2023 14:37:55 +0530
Subject: [PATCH] week-2-assignment submission

---
 02-nodejs/authenticationServer.js | 69 +++++++++++++++++++++++++++++++
 02-nodejs/fileServer.js           | 23 +++++++++++
 02-nodejs/package-lock.json       | 36 ++++++++--------
 02-nodejs/todoServer.js           | 59 ++++++++++++++++++++++++++
 4 files changed, 169 insertions(+), 18 deletions(-)

diff --git a/02-nodejs/authenticationServer.js b/02-nodejs/authenticationServer.js
index c5278b94..22efb686 100644
--- a/02-nodejs/authenticationServer.js
+++ b/02-nodejs/authenticationServer.js
@@ -34,4 +34,73 @@ const PORT = 3000;
 const app = express();
 // write your logic here, DONT WRITE app.listen(3000) when you're running tests, the tests will automatically start the server
 
+var users = [];
+
+app.use(express.json());
+app.post("/signup", (req, res) => {
+  var user = req.body;
+  let userAlreadyExists = false;
+  for (var i = 0; i<users.length; i++) {
+    if (users[i].email === user.email) {
+        userAlreadyExists = true;
+        break;
+    }
+  }
+  if (userAlreadyExists) {
+    res.sendStatus(400);
+  } else {
+    users.push(user);
+    res.status(201).send("Signup successful");
+  }
+});
+
+app.post("/login", (req, res) => {
+  var user = req.body;
+  let userFound = null;
+  for (var i = 0; i<users.length; i++) {
+    if (users[i].email === user.email && users[i].password === user.password) {
+        userFound = users[i];
+        break;
+    }
+  }
+
+  if (userFound) {
+    res.json({
+        firstName: userFound.firstName,
+        lastName: userFound.lastName,
+        email: userFound.email
+    });
+  } else {
+    res.sendStatus(401);
+  }
+});
+
+app.get("/data", (req, res) => {
+  var email = req.headers.email;
+  var password = req.headers.password;
+  let userFound = false;
+  for (var i = 0; i<users.length; i++) {
+    if (users[i].email === email && users[i].password === password) {
+        userFound = true;
+        break;
+    }
+  }
+
+  if (userFound) {
+    let usersToReturn = [];
+    for (let i = 0; i<users.length; i++) {
+        usersToReturn.push({
+            firstName: users[i].firstName,
+            lastName: users[i].lastName,
+            email: users[i].email
+        });
+    }
+    res.json({
+        users
+    });
+  } else {
+    res.sendStatus(401);
+  }
+});
+
 module.exports = app;
diff --git a/02-nodejs/fileServer.js b/02-nodejs/fileServer.js
index 82e7719b..97c2f50f 100644
--- a/02-nodejs/fileServer.js
+++ b/02-nodejs/fileServer.js
@@ -21,5 +21,28 @@ const fs = require('fs');
 const path = require('path');
 const app = express();
 
+app.get('/files', (req, res) => {
+  fs.readdir(path.join(__dirname, './files/'), (err, files) => {
+    if(err) {
+      return res.status(500).json({error: "Failed to retrieve files"});
+    }
+    res.json(files);
+  });
+});
+
+app.get('/file/:filename', (req, res) => {
+  const filepath = path.join(__dirname, './files/', req.params.filename);
+
+  fs.readFile(filepath, 'utf8', (err, data) => {
+    if(err) {
+      return res.status(404).send('File not found');
+    }
+    res.send(data);
+  });
+});
+
+app.get('*', (req, res) => {
+  res.status(404).send('Route not found');
+});
 
 module.exports = app;
diff --git a/02-nodejs/package-lock.json b/02-nodejs/package-lock.json
index b13088b7..42ee1483 100644
--- a/02-nodejs/package-lock.json
+++ b/02-nodejs/package-lock.json
@@ -2891,9 +2891,9 @@
       }
     },
     "node_modules/jest-snapshot/node_modules/semver": {
-      "version": "7.5.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",
-      "integrity": "sha512-Wvss5ivl8TMRZXXESstBA4uR5iXgEN/VC5/sOcuXdVLzcdkz4HWetIoRfG5gb5X+ij/G9rw9YoGn3QoQ8OCSpw==",
+      "version": "7.5.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
+      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
       "dev": true,
       "dependencies": {
         "lru-cache": "^6.0.0"
@@ -3657,9 +3657,9 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "node_modules/semver": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
       "dev": true,
       "bin": {
         "semver": "bin/semver.js"
@@ -3939,9 +3939,9 @@
       }
     },
     "node_modules/superagent/node_modules/semver": {
-      "version": "7.5.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",
-      "integrity": "sha512-Wvss5ivl8TMRZXXESstBA4uR5iXgEN/VC5/sOcuXdVLzcdkz4HWetIoRfG5gb5X+ij/G9rw9YoGn3QoQ8OCSpw==",
+      "version": "7.5.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
+      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
       "dev": true,
       "dependencies": {
         "lru-cache": "^6.0.0"
@@ -6482,9 +6482,9 @@
           }
         },
         "semver": {
-          "version": "7.5.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",
-          "integrity": "sha512-Wvss5ivl8TMRZXXESstBA4uR5iXgEN/VC5/sOcuXdVLzcdkz4HWetIoRfG5gb5X+ij/G9rw9YoGn3QoQ8OCSpw==",
+          "version": "7.5.4",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
+          "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
           "dev": true,
           "requires": {
             "lru-cache": "^6.0.0"
@@ -7033,9 +7033,9 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "semver": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
       "dev": true
     },
     "send": {
@@ -7256,9 +7256,9 @@
           }
         },
         "semver": {
-          "version": "7.5.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",
-          "integrity": "sha512-Wvss5ivl8TMRZXXESstBA4uR5iXgEN/VC5/sOcuXdVLzcdkz4HWetIoRfG5gb5X+ij/G9rw9YoGn3QoQ8OCSpw==",
+          "version": "7.5.4",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
+          "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
           "dev": true,
           "requires": {
             "lru-cache": "^6.0.0"
diff --git a/02-nodejs/todoServer.js b/02-nodejs/todoServer.js
index cffc7d60..8836a106 100644
--- a/02-nodejs/todoServer.js
+++ b/02-nodejs/todoServer.js
@@ -46,4 +46,63 @@ const app = express();
 
 app.use(bodyParser.json());
 
+let todos = [];
+
+function findIndex(arr, id) {
+  for(var i=0; i<arr.length; i++) {
+    if(arr[i].id === id) return i;
+  }
+  return -1;
+}
+app.get('/todos', (req, res) => {
+  res.json(todos);
+});
+
+app.get('/todos/:id', (req, res) => {
+  const todoIndex = findIndex(todos, parseInt(req.params.id));
+  if(todoIndex == -1) {
+    res.status(404).send();
+  }
+  else {
+    res.json(todos[todoIndex]);
+  }
+});
+
+app.post('/todos', (req, res) => {
+  const newTodo = {
+    id: Math.floor(Math.random() * 10000),
+    title: req.body.title,
+    description: req.body.description
+  }
+  todos.push(newTodo);
+  res.status(201).json(newTodo);
+});
+
+app.put('/todos/:id', (req, res) => {
+  const todoIndex = findIndex(todos, parseInt(req.params.id));
+  if(todoIndex == -1) {
+    res.status(404).send();
+  }
+  else {
+    todos[todoIndex].title = req.body.title,
+    todos[todoIndex].description = req.body.description,
+    res.json(todos[todoIndex]);
+  }
+});
+
+app.delete('/todos/:id', (req, res) => {
+  const todoIndex = findIndex(todos, parseInt(req.params.id));
+  if(todoIndex == -1) {
+    res.status(404).send();
+  }
+  else {
+    todos.splice(todoIndex, 1);
+    res.status(200).send();
+  }
+});
+
+app.use((req, res, next) => {
+  res.status(404).send();
+});
+
 module.exports = app;