├── README.md ├── requirement.md ├── tut 1 intro ├── img │ └── profile-800x800.png ├── package-lock.json ├── package.json ├── server.js └── views │ ├── 404.html │ ├── index.html │ ├── new-page.html │ └── subdir │ ├── about.html │ └── index.html ├── tut 2 Middleware ├── basic.md ├── logs │ ├── errLog.txt │ └── reqLog.txt ├── middleware │ ├── errorHandler.js │ └── logEvents.js ├── package-lock.json ├── package.json ├── public │ └── img │ │ └── profile-800x800.png ├── server.js └── views │ ├── 404.html │ ├── index.html │ ├── new-page.html │ └── subdir │ ├── about.html │ └── index.html ├── tut 3 Routing ├── basic.md ├── data │ ├── employees.json │ └── salary.json ├── logs │ ├── errLog.txt │ └── reqLog.txt ├── middleware │ ├── errorHandler.js │ └── logEvents.js ├── package-lock.json ├── package.json ├── public │ ├── css │ │ └── style.css │ └── img │ │ └── profile-800x800.png ├── routes │ ├── api │ │ └── employees.js │ ├── root.js │ └── subdir.js ├── server.js └── views │ ├── 404.html │ ├── index.html │ ├── new-page.html │ └── subdir │ ├── about.html │ └── index.html └── tut 4 MVC REST API ├── basic.md ├── config └── corsOptions.js ├── controllers └── employeesController.js ├── data ├── employees.json └── salary.json ├── logs ├── errLog.txt └── reqLog.txt ├── middleware ├── errorHandler.js └── logEvents.js ├── model └── employees.js ├── package-lock.json ├── package.json ├── public ├── css │ └── style.css └── img │ └── profile-800x800.png ├── routes ├── root.js └── subdir.js ├── server.js └── views ├── 404.html ├── index.html ├── new-page.html └── subdir ├── about.html └── index.html /README.md: -------------------------------------------------------------------------------- 1 | # Express-JS 2 | All Express-JS tutorial Code 3 | -------------------------------------------------------------------------------- /requirement.md: -------------------------------------------------------------------------------- 1 | npm i express ( after initilizing the node project) 2 | 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"resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.0.tgz", 1041 | "integrity": "sha512-MXcSTerfPa4uqyzStbRoTgt5XIe3x5+42+q1sDuy3R5MDk66URdLMOZe5aPX/SQd+kuYAh0FdP/pO28IkQyTeg==", 1042 | "bin": { 1043 | "uuid": "dist/bin/uuid" 1044 | } 1045 | }, 1046 | "node_modules/vary": { 1047 | "version": "1.1.2", 1048 | "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", 1049 | "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==", 1050 | "engines": { 1051 | "node": ">= 0.8" 1052 | } 1053 | }, 1054 | "node_modules/yallist": { 1055 | "version": "4.0.0", 1056 | "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz", 1057 | "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==", 1058 | "dev": true 1059 | } 1060 | } 1061 | } 1062 | -------------------------------------------------------------------------------- /tut 1 intro/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "tut-1-intro", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node server", 8 | "dev": "nodemon server" 9 | }, 10 | "keywords": [], 11 | "author": "", 12 | "license": "ISC", 13 | "dependencies": { 14 | "date-fns": "^2.30.0", 15 | "express": "^4.18.2", 16 | "uuid": "^9.0.0" 17 | }, 18 | "devDependencies": { 19 | "nodemon": "^3.0.1" 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /tut 1 intro/server.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const app = express(); 3 | const path = require("path"); 4 | const PORT = process.env.PORT || 3500; 5 | 6 | // app.get("/", (req, res) => { 7 | app.get("^/$|/index.html", (req, res) => { 8 | // here we get same page on writing index.html 9 | // syntax: start or end with / or index.html 10 | // 11 | // res.send("Hello World") 12 | // res.sendFile("./views/index.html", { root: __dirname }); 13 | res.sendFile(path.join(__dirname, "views", "index.html")); 14 | }); 15 | app.get("/new-page(.html)?", (req, res) => { 16 | // add ()? to extension to access with outextension 17 | res.sendFile(path.join(__dirname, "views", "new-page.html")); 18 | }); 19 | 20 | app.get("/old-page(.html)?", (req, res) => { 21 | // redirect to new page. 22 | res.redirect(301, path.join(__dirname, "views", "new-page.html")); // by default it is 302. 302 will not tell search engine to parmanent redirect so we use 301 23 | }); 24 | 25 | // route handlers 26 | app.get( 27 | "/hello(.html)?", 28 | (req, res, next) => { 29 | console.log("attepted to load hello.html"); 30 | next(); // Pass control to the next function 31 | }, 32 | (req, res) => { 33 | res.send("Hello World"); 34 | } 35 | ); 36 | // alternate to this: 37 | const one = (req, res, next) => { 38 | console.log("one"); 39 | next(); 40 | }; 41 | const two = (req, res, next) => { 42 | console.log("two"); 43 | next(); 44 | }; 45 | const three = (req, res) => { 46 | console.log("three"); 47 | res.send("Finished"); 48 | }; 49 | 50 | app.get("/chain(.html)?", [one, two, three]); 51 | 52 | // Costome 404 file/page not found( By defalut Handle by Express) 53 | app.get("/*", (req, res) => { 54 | res.status(404).sendFile(path.join(__dirname, "views", "404.html")); // by defalut it 200 bcoz 404 file exits 55 | }); // it handle all the other routs and redirect them to 404.html(costome 404 file) 56 | 57 | app.listen(PORT, () => console.log("server is running on port " + PORT)); 58 | -------------------------------------------------------------------------------- /tut 1 intro/views/404.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

404

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 1 intro/views/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 38 |

Hello Everyone My Name is Harsh

39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /tut 1 intro/views/new-page.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

Hello World This is New Page

11 | Img 12 | 13 | 14 | -------------------------------------------------------------------------------- /tut 1 intro/views/subdir/about.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | This is about page 10 | 11 | 12 | -------------------------------------------------------------------------------- /tut 1 intro/views/subdir/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 11 | 12 | 13 |

This is Index file from view/subdir

14 | 15 | 16 | -------------------------------------------------------------------------------- /tut 2 Middleware/basic.md: -------------------------------------------------------------------------------- 1 | 1. MiddleWare is anything that is betn request and response. 2 | 2. MiddleWare refers to a software component that sits between different parts of an application and adds functionality to it. It plays a key role in processing incoming requests and outgoing responses in a modular and customizable way. 3 | 4 | there are 3 types middleware: 5 | 6 | 1. build in middleware 7 | 2. coustome middleware 8 | 3. middleware from 3rd parties: 9 | for cross origin resorce sharing you need to add dependency 10 | npm i cros 11 | -------------------------------------------------------------------------------- /tut 2 Middleware/logs/errLog.txt: -------------------------------------------------------------------------------- 1 | 20230809 19:52:52 385eb0c6-3f5c-4d7a-8ea1-4b2c807d5636 Error: Not allowed by Cors 2 | -------------------------------------------------------------------------------- /tut 2 Middleware/logs/reqLog.txt: -------------------------------------------------------------------------------- 1 | 20230808 21:00:28 0b2028b0-5e8f-42ff-9c55-3dbcbbeca584 GET undefined / 2 | 20230808 21:00:28 8378276a-31df-4645-ab1b-ef47acc3db2e GET undefined /index.js 3 | 20230809 08:39:29 4f62af26-9d16-425c-ad30-fd2762125a36 GET undefined /new-page.html 4 | 20230809 08:39:29 2e48a655-5508-401d-bde3-da0678309d0f GET undefined /css/style.css 5 | 20230809 08:39:29 b457d805-1210-479f-a70a-5d563813c54f GET undefined /img/profile-800x800.png 6 | 20230809 08:39:29 b3abd3de-8fd1-4867-b6ec-09300b016c1f GET undefined /favicon.ico 7 | 20230809 18:21:07 4d04313e-8b7c-43d4-b856-e317638eb4b6 GET undefined / 8 | 20230809 18:21:08 baace0d5-307e-4f30-b52f-27a591dfa99b GET undefined /index.js 9 | 20230809 18:21:08 0f30ac00-6af3-4dcd-9cd9-d981c2b8efe2 GET undefined /favicon.ico 10 | 20230809 19:05:59 ca97b158-c015-43b5-b8eb-31e665b3d355 OPTIONS https://www.google.com / 11 | 20230809 19:05:59 3e6fe624-5017-4be4-b73e-71a870323731 GET https://www.google.com / 12 | 20230809 19:30:56 dd3582af-9713-4526-a008-321e79a2ae4f GET undefined / 13 | 20230809 19:31:20 2ae92b06-3878-43d6-b97f-136099fe2359 GET undefined / 14 | 20230809 19:31:21 d25319de-254d-4f64-a408-250013da6d86 GET undefined / 15 | 20230809 19:31:34 27ee0862-d6ef-489b-b965-90999f65f5e7 GET undefined / 16 | 20230809 19:31:52 6c4ad2c9-4342-425d-a20c-a5c5af6be251 GET undefined / 17 | 20230809 19:32:44 84e9358f-4302-4257-b2f3-b092219ed461 GET undefined / 18 | 20230809 19:32:44 6d8b39f0-6386-484b-a6f3-3292f3fbf236 GET undefined /index.js 19 | 20230809 19:52:05 9ee8055d-fea2-41ac-8bb0-97d77957451f GET undefined / 20 | 20230809 19:52:05 42bf55f6-dc9c-46dd-ab08-cce331b878af GET undefined /index.js 21 | 20230809 19:52:52 e0ea3bc6-71ed-4ef1-a00c-54ce2588f4a2 GET undefined / 22 | 20230809 20:03:05 a3fa091c-530b-4286-8acf-2106b7a21fc7 GET undefined / 23 | 20230809 20:03:05 e2ddb838-68bd-4c8c-baf3-6fe702669722 GET undefined /index.js 24 | 20230809 20:03:06 9a49fc1d-0a2d-432c-93c4-499ff2f8341c GET undefined / 25 | 20230809 20:03:06 d05df912-a97d-4092-8b44-8638ed88919e GET undefined /index.js 26 | 20230809 20:03:23 8f311342-5f56-43cc-baa3-2b5a891f53b1 GET undefined /hello.json 27 | 20230809 20:03:23 2ead6e1f-c645-43e1-91fe-88f1c9bec809 GET undefined /css/style.css 28 | 20230920 18:26:27 c64fe009-cdf8-464a-8d14-1b77fffc7883 GET undefined / 29 | 20230920 18:26:27 69f5d1f9-e3d5-4fa6-8a87-90344a76b86d GET undefined /index.js 30 | 20230920 18:26:28 d6ed1892-0a9f-47b7-936e-48b925f91bb9 GET undefined /favicon.ico 31 | 20230920 18:26:40 a75d5ef9-f6ae-4601-992d-e07a775ec8db GET undefined / 32 | 20230920 18:26:40 d667e9ba-81a2-473d-b033-a8e1de796583 GET undefined /index.js 33 | 20230920 18:26:46 8e5d4717-f787-4385-b954-deb699feb707 GET undefined /new-page 34 | 20230920 18:26:47 328f44c4-ee46-41df-bbec-be96e5d1ba1f GET undefined /css/style.css 35 | 20230920 18:26:47 10d2e25d-5597-42c4-a654-8be13d2f235e GET undefined /img/profile-800x800.png 36 | 20230920 18:26:55 4b14c57c-3ac3-4166-8604-8a22d363fa2b GET undefined /subdir/ 37 | 20230920 18:26:56 81e5fb6e-2b39-447f-b59b-dc9d96287d2f GET undefined /css/style.css 38 | 20230920 18:27:24 77aa4bc2-60d1-4784-a22f-a9dcdfb35747 GET undefined /about 39 | 20230920 18:27:24 e77c20af-fea2-473d-9db5-91c6979d28f5 GET undefined /css/style.css 40 | 20230920 18:27:29 d7643260-b7c6-457e-9ecb-2c7b98b5288e GET undefined /about.html 41 | 20230920 18:27:29 ac638086-9387-4363-8f93-77f9f573d450 GET undefined /css/style.css 42 | -------------------------------------------------------------------------------- /tut 2 Middleware/middleware/errorHandler.js: -------------------------------------------------------------------------------- 1 | const { logEvents } = require("./logEvents"); 2 | 3 | const errorHandler = (err, req, res, next) => { 4 | logEvents(`${err.name}: ${err.message}`, "errLog.txt"); 5 | console.error(err.stack); 6 | res.status(500).send(err.message); 7 | }; 8 | 9 | module.exports = errorHandler; 10 | -------------------------------------------------------------------------------- /tut 2 Middleware/middleware/logEvents.js: -------------------------------------------------------------------------------- 1 | const { format } = require("date-fns"); 2 | const { v4: uuid } = require("uuid"); 3 | const fs = require("fs"); 4 | const fspromises = require("fs").promises; 5 | const path = require("path"); 6 | 7 | const logEvents = async (message, logName) => { 8 | const datetime = `${format(new Date(), "yyyyMMdd\t HH:mm:ss")}`; 9 | const logItems = `${datetime}\t ${uuid()} \t ${message}\n`; 10 | 11 | try { 12 | if (!fs.existsSync(path.join(__dirname, "..", "logs"))) { 13 | await fspromises.mkdir(path.join(__dirname, "..", "logs")); 14 | } 15 | // for testing 16 | await fspromises.appendFile( 17 | path.join(__dirname, "..", "logs", logName), 18 | logItems 19 | ); 20 | console.log("text updated in logName"); 21 | } catch (err) { 22 | console.log(err); 23 | } 24 | }; 25 | 26 | const logger = (req, res, next) => { 27 | logEvents( 28 | `${req.method}\t ${req.headers.origin} \t ${req.url}`, 29 | "reqLog.txt" 30 | ); 31 | console.log(req.method + req.path); 32 | next(); // next() is important for next execution 33 | }; 34 | 35 | module.exports = { logEvents, logger }; 36 | -------------------------------------------------------------------------------- /tut 2 Middleware/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "tut-2-middleware", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node server", 8 | "dev": "nodemon server" 9 | }, 10 | "keywords": [], 11 | "author": "", 12 | "license": "ISC", 13 | "devDependencies": { 14 | "nodemon": "^3.0.1" 15 | }, 16 | "dependencies": { 17 | "cors": "^2.8.5", 18 | "cros": "^1.0.1", 19 | "express": "^4.18.2" 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /tut 2 Middleware/public/img/profile-800x800.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Harshbailurkar/Express-JS/5820c145609b0fffc7b4f9c250b88b1f93abd8e0/tut 2 Middleware/public/img/profile-800x800.png -------------------------------------------------------------------------------- /tut 2 Middleware/server.js: -------------------------------------------------------------------------------- 1 | const path = require("path"); 2 | const express = require("express"); 3 | const app = express(); 4 | // const logEvents = require("./middleware/logEvents"); 5 | const { logger } = require("./middleware/logEvents"); 6 | const errorHander = require("./middleware/errorHandler"); 7 | const PORT = process.env.PORT || 3500; 8 | const cors = require("cors"); 9 | 10 | //costome middleware( put in at top (recomemmded : This ensures that the custom logic is executed first for every incoming request.)) 11 | // app.use() is used to apply middleware to all routes that are comming in. 12 | app.use(logger); 13 | 14 | // for 3rd party middleware 15 | // the Domains that will have access to the data or backend server() 16 | // domain that can access routs(other that this routs no other domain can access data. you will get cors error) 17 | const whitelist = [ 18 | "https:/www.yoursite.com", 19 | "http://127.0.0.1:5500", 20 | "http://localhost:3500", 21 | ]; 22 | // you should remove the some of the development url at production time 23 | 24 | const corsOptions = { 25 | origin: (origin, callback) => { 26 | if (whitelist.indexOf(origin) != -1 || !origin) { 27 | // remove !origin also at production time 28 | callback(null, true); 29 | } else { 30 | callback(new Error("Not allowed by Cors")); 31 | } 32 | }, 33 | optionSuccessStatus: 200, 34 | }; 35 | app.use(cors(corsOptions)); 36 | // app.use(cors()) 37 | // now you will not get cros error. so we can request data from 3rd party. 38 | 39 | //------------------------------------------------------------------------ 40 | 41 | //built in middelware to handle url-encoded data 42 | // in other words, form data: 43 | //'content-type' "application/x-www.form-urlencoded" 44 | // after form data is submitted 45 | 46 | app.use(express.urlencoded({ extended: false })); // next() is built-in 47 | // if use app.use about the all routes then this will use by all routes. 48 | 49 | app.use(express.json()); // for json data 50 | 51 | app.use(express.static(path.join(__dirname, "/public"))); // now you will see images,css(if in separate folder) 52 | // after this we need to create public folder and move folders like images,css etc. 53 | // now you can just mention the css link in html file as: 'css/style.css, no need to add 54 | //..css/style.css 55 | app.get("^/$|/index.html", (req, res) => { 56 | res.sendFile(path.join(__dirname, "views", "index.html")); 57 | }); 58 | 59 | app.get("/new-page(.html)?", (req, res) => { 60 | res.sendFile(path.join(__dirname, "views", "new-page.html")); 61 | }); 62 | 63 | app.get("/old-page(.html)?", (req, res) => { 64 | res.redirect(path.join(__dirname, "views", "new-page.html")); 65 | }); 66 | 67 | const one = (req, res, next) => { 68 | console.log("one"); 69 | next(); 70 | }; 71 | const two = (req, res, next) => { 72 | console.log("two"); 73 | next(); 74 | }; 75 | const three = (req, res) => { 76 | console.log("three"); 77 | res.send("finished"); 78 | }; 79 | app.get("/chain(.html)?", [one, two, three]); 80 | // app.get("/*", (req, res) => { 81 | // res.status(404).sendFile(path.join(__dirname, "views", "404.html")); 82 | // }); 83 | app.all("*", (req, res) => { 84 | // app.all will applay to all http reqyes and also accepts rejected routs 85 | res.status(404); 86 | if (req.accepts("html")) { 87 | res.sendFile(path.join(__dirname, "views", "404.html")); 88 | } else if (req.accepts("json")) { 89 | res.json({ error: "404 Not Found" }); 90 | } else { 91 | res.type("txt").send("404 Not Found"); 92 | } 93 | }); 94 | 95 | // Error hander 96 | app.use(errorHander); 97 | 98 | app.listen(PORT, () => { 99 | console.log("server is running on port " + PORT); 100 | }); 101 | -------------------------------------------------------------------------------- /tut 2 Middleware/views/404.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

404

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 2 Middleware/views/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 38 |

Hello Everyone My Name is Harsh

39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /tut 2 Middleware/views/new-page.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

Hello World This is New Page

11 | Img 12 | 13 | 14 | -------------------------------------------------------------------------------- /tut 2 Middleware/views/subdir/about.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | This is about page 10 | 11 | 12 | -------------------------------------------------------------------------------- /tut 2 Middleware/views/subdir/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 11 | 12 | 13 |

This is Index file from view/subdir

14 | 15 | 16 | -------------------------------------------------------------------------------- /tut 3 Routing/basic.md: -------------------------------------------------------------------------------- 1 | 1. MiddleWare is anything that is betn request and response. 2 | 2. MiddleWare refers to a software component that sits between different parts of an application and adds functionality to it. It plays a key role in processing incoming requests and outgoing responses in a modular and customizable way. 3 | 4 | there are 3 types middleware: 5 | 6 | 1. build in middleware 7 | 2. coustome middleware 8 | 3. middleware from 3rd parties: 9 | for cross origin resorce sharing you need to add dependency 10 | npm i cros 11 | -------------------------------------------------------------------------------- /tut 3 Routing/data/employees.json: -------------------------------------------------------------------------------- 1 | [{ 2 | "id":1, 3 | "firstname":"harsh", 4 | "lastname":"bailurkar" 5 | }, 6 | { 7 | "id":2, 8 | "firstname":"virat", 9 | "lastname":"kohli" 10 | } 11 | ] -------------------------------------------------------------------------------- /tut 3 Routing/data/salary.json: -------------------------------------------------------------------------------- 1 | [ 2 | { 3 | "id":1, 4 | "amount":20000 5 | } 6 | , 7 | { 8 | "id":2, 9 | "amount":25000 10 | } 11 | ] -------------------------------------------------------------------------------- /tut 3 Routing/logs/errLog.txt: -------------------------------------------------------------------------------- 1 | 20230809 19:52:52 385eb0c6-3f5c-4d7a-8ea1-4b2c807d5636 Error: Not allowed by Cors 2 | -------------------------------------------------------------------------------- /tut 3 Routing/logs/reqLog.txt: -------------------------------------------------------------------------------- 1 | 20230808 21:00:28 0b2028b0-5e8f-42ff-9c55-3dbcbbeca584 GET undefined / 2 | 20230808 21:00:28 8378276a-31df-4645-ab1b-ef47acc3db2e GET undefined /index.js 3 | 20230809 08:39:29 4f62af26-9d16-425c-ad30-fd2762125a36 GET undefined /new-page.html 4 | 20230809 08:39:29 2e48a655-5508-401d-bde3-da0678309d0f GET undefined /css/style.css 5 | 20230809 08:39:29 b457d805-1210-479f-a70a-5d563813c54f GET undefined /img/profile-800x800.png 6 | 20230809 08:39:29 b3abd3de-8fd1-4867-b6ec-09300b016c1f GET undefined /favicon.ico 7 | 20230809 18:21:07 4d04313e-8b7c-43d4-b856-e317638eb4b6 GET undefined / 8 | 20230809 18:21:08 baace0d5-307e-4f30-b52f-27a591dfa99b GET undefined /index.js 9 | 20230809 18:21:08 0f30ac00-6af3-4dcd-9cd9-d981c2b8efe2 GET undefined /favicon.ico 10 | 20230809 19:05:59 ca97b158-c015-43b5-b8eb-31e665b3d355 OPTIONS https://www.google.com / 11 | 20230809 19:05:59 3e6fe624-5017-4be4-b73e-71a870323731 GET https://www.google.com / 12 | 20230809 19:30:56 dd3582af-9713-4526-a008-321e79a2ae4f GET undefined / 13 | 20230809 19:31:20 2ae92b06-3878-43d6-b97f-136099fe2359 GET undefined / 14 | 20230809 19:31:21 d25319de-254d-4f64-a408-250013da6d86 GET undefined / 15 | 20230809 19:31:34 27ee0862-d6ef-489b-b965-90999f65f5e7 GET undefined / 16 | 20230809 19:31:52 6c4ad2c9-4342-425d-a20c-a5c5af6be251 GET undefined / 17 | 20230809 19:32:44 84e9358f-4302-4257-b2f3-b092219ed461 GET undefined / 18 | 20230809 19:32:44 6d8b39f0-6386-484b-a6f3-3292f3fbf236 GET undefined /index.js 19 | 20230809 19:52:05 9ee8055d-fea2-41ac-8bb0-97d77957451f GET undefined / 20 | 20230809 19:52:05 42bf55f6-dc9c-46dd-ab08-cce331b878af GET undefined /index.js 21 | 20230809 19:52:52 e0ea3bc6-71ed-4ef1-a00c-54ce2588f4a2 GET undefined / 22 | 20230809 20:03:05 a3fa091c-530b-4286-8acf-2106b7a21fc7 GET undefined / 23 | 20230809 20:03:05 e2ddb838-68bd-4c8c-baf3-6fe702669722 GET undefined /index.js 24 | 20230809 20:03:06 9a49fc1d-0a2d-432c-93c4-499ff2f8341c GET undefined / 25 | 20230809 20:03:06 d05df912-a97d-4092-8b44-8638ed88919e GET undefined /index.js 26 | 20230809 20:03:23 8f311342-5f56-43cc-baa3-2b5a891f53b1 GET undefined /hello.json 27 | 20230809 20:03:23 2ead6e1f-c645-43e1-91fe-88f1c9bec809 GET undefined /css/style.css 28 | 20230809 20:28:17 578fdfc4-229f-461c-a9ef-aa192d532791 GET undefined /new-page.html 29 | 20230809 20:28:17 b2f0684d-2613-47af-bf07-5225c2102da0 GET undefined /img/profile-800x800.png 30 | 20230809 20:28:17 64604e89-26c7-4596-9ec1-382d3afee4e2 GET undefined /css/style.css 31 | 20230809 20:28:17 f6fed39b-b1ae-495f-bcaa-68c05edbc618 GET undefined /favicon.ico 32 | 20230809 20:28:23 119bbca2-aa99-4b0a-9ac9-96055f1e3755 GET undefined / 33 | 20230809 20:28:23 45fe8fe3-960f-4b54-bcfa-93a85c8a1be2 GET undefined /index.js 34 | 20230809 20:30:40 bbde6f0f-8209-416c-9c64-2038cbdea07a GET undefined /subdir/ 35 | 20230809 20:31:06 011ba856-7bbc-4c34-8bcb-e8fc94f9d758 GET undefined /subdir/about 36 | 20230809 20:31:06 ab24e8fe-58a8-4f56-97b4-0a75c98062ef GET undefined /css/style.css 37 | 20230809 20:31:16 1cf3c021-7966-494b-aa0e-13c9bc42a269 GET undefined /subdir/about.html 38 | 20230809 20:31:16 3ee949d2-07c2-4b86-b82e-a0dda36aebe6 GET undefined /css/style.css 39 | 20230809 21:15:11 6937f617-a0f7-49d2-b964-ec0c2793879e GET undefined /subdir/about 40 | 20230809 21:15:12 27e407e7-c28e-41d0-acfc-bed90d9ea3f4 GET undefined /css/style.css 41 | 20230809 21:16:04 71c980e8-7138-4bd7-af82-2dfbc56894f7 GET undefined /subdir/about 42 | 20230809 21:16:04 b941708c-dcac-45bc-9bf1-7bd1482f4f97 GET undefined /css/style.css 43 | 20230809 21:16:23 e81a8198-ac4c-40ac-bdfa-553b61f27a28 GET undefined /subdir/about 44 | 20230809 21:16:23 1e890506-ee8a-4976-bec7-57f224e50528 GET undefined /css/style.css 45 | 20230809 21:16:23 063543f0-9dad-43d2-977d-36f9abb436d7 GET undefined /subdir/about 46 | 20230809 21:16:23 e4d4270d-07b8-4968-86f2-091e1f77d2da GET undefined /css/style.css 47 | 20230809 21:17:19 84b96071-1f21-471c-ae7c-6b25b8144953 GET undefined /subdir/about.html 48 | 20230809 21:17:19 f2643305-fa80-4f52-b40b-945003600b71 GET undefined /css/style.css 49 | 20230809 21:17:21 e2e06b3c-4b16-4377-8e30-76a499b4fd6d GET undefined /subdir/about.html 50 | 20230809 21:17:21 5a5303d6-5d7c-4cf7-9d6d-605bd01de52a GET undefined /css/style.css 51 | 20230809 21:21:05 100fef64-6395-49de-bcd9-83bbb9083b63 GET undefined /subdir/about.html 52 | 20230809 21:21:05 a1871f06-ff1b-4fe2-a74f-cb0457c29a86 GET undefined /css/style.css 53 | 20230809 22:15:37 1e38e7c0-fe4d-491e-a58f-19e4f48a7f15 GET undefined /subdir/about.html 54 | 20230809 22:15:37 c982e051-b6ea-4448-bf85-b370ad96b580 GET undefined /subdir/css/style.css 55 | 20230809 22:15:38 4da99d80-fe09-412a-942b-1f89a36c858c GET undefined /subdir/about.html 56 | 20230809 22:15:38 aea93d2f-6e43-46ce-9156-37d0b078c6ee GET undefined /subdir/css/style.css 57 | 20230809 22:15:39 caaf4187-1e06-45e4-b71a-d692d7528e54 GET undefined /subdir/about.html 58 | 20230809 22:15:39 5fc9e0a8-491b-4dc3-9410-334055ab2c4b GET undefined /subdir/css/style.css 59 | 20230809 22:15:39 cb266956-5fc6-4d53-bae0-156b6eb328e1 GET undefined /subdir/about.html 60 | 20230809 22:15:39 82027b0d-3973-496d-886f-1b333fad1040 GET undefined /subdir/css/style.css 61 | 20230809 22:15:44 970fd722-794a-404a-aa59-3b87fa54178c GET undefined /subdir/ 62 | 20230809 22:15:50 f1d531ad-a01b-4d53-9c5a-e5c027891cd1 GET undefined /new-page.html 63 | 20230809 22:15:50 87c6eca3-6116-41e9-80c5-3b033537c536 GET undefined /css/style.css 64 | 20230809 22:15:50 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22:32:35 7080b5b2-7684-4983-b178-a25ee20146ef GET undefined /new-page.html 77 | 20230809 22:32:35 110de3a9-628f-43c5-b4c1-07d3783c9dc2 GET undefined /css/style.css 78 | 20230809 22:32:35 728da7cc-b8ed-47bf-891c-76da82f4115e GET undefined /img/profile-800x800.png 79 | 20230809 22:32:49 3d4fbdde-00a1-49ba-8972-a451163158b9 GET undefined /404 80 | 20230809 22:32:49 47c15dd7-3d6f-4b1f-a4ab-fc4028e8c158 GET undefined /css/style.css 81 | 20230809 22:32:56 d1a59442-dfc5-49ab-b326-5fecc8f40360 GET undefined /subdir/ 82 | 20230809 22:33:06 f1712871-03cb-4ab5-9346-2f784a723d13 GET undefined /subdir/about.html 83 | 20230809 22:33:06 a8110aa1-0c10-4b47-9304-569f086d4eb7 GET undefined /subdir/css/style.css 84 | 20230809 22:33:40 08ce2608-72d0-4eab-ac80-dfcb4b78df96 GET undefined /subdir/ 85 | 20230809 22:33:40 2dc1c81d-04e0-43fb-be8e-0c8c98e73fdf GET undefined /subdir/css/style.css 86 | 20230809 22:38:26 27a1fa70-6657-49ff-9a84-440358b0ca85 GET undefined /subdir/ 87 | 20230809 22:38:26 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Routing/middleware/errorHandler.js: -------------------------------------------------------------------------------- 1 | const { logEvents } = require("./logEvents"); 2 | 3 | const errorHandler = (err, req, res, next) => { 4 | logEvents(`${err.name}: ${err.message}`, "errLog.txt"); 5 | console.error(err.stack); 6 | res.status(500).send(err.message); 7 | }; 8 | 9 | module.exports = errorHandler; 10 | -------------------------------------------------------------------------------- /tut 3 Routing/middleware/logEvents.js: -------------------------------------------------------------------------------- 1 | const { format } = require("date-fns"); 2 | const { v4: uuid } = require("uuid"); 3 | const fs = require("fs"); 4 | const fspromises = require("fs").promises; 5 | const path = require("path"); 6 | 7 | const logEvents = async (message, logName) => { 8 | const datetime = `${format(new Date(), "yyyyMMdd\t HH:mm:ss")}`; 9 | const logItems = `${datetime}\t ${uuid()} \t ${message}\n`; 10 | 11 | try { 12 | if (!fs.existsSync(path.join(__dirname, "..", "logs"))) { 13 | await fspromises.mkdir(path.join(__dirname, "..", "logs")); 14 | } 15 | // for testing 16 | await fspromises.appendFile( 17 | path.join(__dirname, "..", "logs", logName), 18 | logItems 19 | ); 20 | console.log("text updated in logName"); 21 | } catch (err) { 22 | console.log(err); 23 | } 24 | }; 25 | 26 | const logger = (req, res, next) => { 27 | logEvents( 28 | `${req.method}\t ${req.headers.origin} \t ${req.url}`, 29 | "reqLog.txt" 30 | ); 31 | console.log(req.method + req.path); 32 | next(); // next() is important for next execution 33 | }; 34 | 35 | module.exports = { logEvents, logger }; 36 | -------------------------------------------------------------------------------- /tut 3 Routing/package-lock.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "tut-2-middleware", 3 | "version": "1.0.0", 4 | "lockfileVersion": 3, 5 | "requires": true, 6 | "packages": 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"https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz", 1518 | "integrity": "sha512-XHPEwS0q6TaxcvG85+8EYkbiCux2XtWG2mkc47Ng2A77BQu9+DqIOJldST4HgPkuea7dvKSj5VgX3P1d4rW8Tg==", 1519 | "dependencies": { 1520 | "defaults": "^1.0.3" 1521 | } 1522 | }, 1523 | "node_modules/yallist": { 1524 | "version": "4.0.0", 1525 | "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz", 1526 | "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==", 1527 | "dev": true 1528 | } 1529 | } 1530 | } 1531 | -------------------------------------------------------------------------------- /tut 3 Routing/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "tut-2-middleware", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node server", 8 | "dev": "nodemon server" 9 | }, 10 | "keywords": [], 11 | "author": "", 12 | "license": "ISC", 13 | "devDependencies": { 14 | "nodemon": "^3.0.1" 15 | }, 16 | "dependencies": { 17 | "cors": "^2.8.5", 18 | "cros": "^1.0.1", 19 | "express": "^4.18.2" 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /tut 3 Routing/public/css/style.css: -------------------------------------------------------------------------------- 1 | body { 2 | background-color: black; 3 | color: bisque; 4 | } 5 | -------------------------------------------------------------------------------- /tut 3 Routing/public/img/profile-800x800.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Harshbailurkar/Express-JS/5820c145609b0fffc7b4f9c250b88b1f93abd8e0/tut 3 Routing/public/img/profile-800x800.png -------------------------------------------------------------------------------- /tut 3 Routing/routes/api/employees.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const router = express.Router(); 3 | const path = require("path"); 4 | 5 | const data = {}; 6 | 7 | data.employees = require("../../data/employees.json"); 8 | data.salary = require("../../data/salary.json"); 9 | 10 | router 11 | .route("/") 12 | .get((req, res) => { 13 | res.json(data.employees); 14 | res.json(data.salary); 15 | }) 16 | .post((req, res) => { 17 | res.json({ 18 | firstname: req.body.firstname, 19 | lastname: req.body.lastname, 20 | }); 21 | }) 22 | .put((req, res) => { 23 | res.json({ 24 | firstname: req.body.firstname, 25 | lastname: req.body.lastname, 26 | }); 27 | }) 28 | .delete((req, res) => { 29 | res.json({ id: req.body.id }); 30 | }); 31 | 32 | router.route("/:id").get((req, res) => { 33 | res.json({ id: req.params.id }); 34 | }); 35 | 36 | module.exports = router; 37 | -------------------------------------------------------------------------------- /tut 3 Routing/routes/root.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const router = express.Router(); 3 | const path = require("path"); 4 | 5 | router.get("^/$|/index.html", (req, res) => { 6 | res.sendFile(path.join(__dirname, "..", "views", "index.html")); 7 | }); 8 | 9 | router.get("/new-page(.html)?", (req, res) => { 10 | res.sendFile(path.join(__dirname, "..", "views", "new-page.html")); 11 | }); 12 | 13 | router.get("/old-page(.html)?", (req, res) => { 14 | res.redirect(path.join(__dirname, "views", "new-page.html")); 15 | }); 16 | 17 | module.exports = router; 18 | -------------------------------------------------------------------------------- /tut 3 Routing/routes/subdir.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const router = express.Router(); 3 | const path = require("path"); 4 | 5 | router.get("^/$|/index.html", (req, res) => { 6 | res.sendFile(path.join(__dirname, "..", "views", "subdir", "index.html")); 7 | }); 8 | 9 | router.get("/about(.html)?", (req, res) => { 10 | res.sendFile(path.join(__dirname, "..", "views", "subdir", "about.html")); 11 | }); 12 | 13 | module.exports = router; 14 | -------------------------------------------------------------------------------- /tut 3 Routing/server.js: -------------------------------------------------------------------------------- 1 | const path = require("path"); 2 | const express = require("express"); 3 | const app = express(); 4 | // const logEvents = require("./middleware/logEvents"); 5 | const { logger } = require("./middleware/logEvents"); 6 | const errorHander = require("./middleware/errorHandler"); 7 | const PORT = process.env.PORT || 3500; 8 | const cors = require("cors"); 9 | 10 | app.use(logger); 11 | 12 | const whitelist = [ 13 | "https:/www.yoursite.com", 14 | "http://127.0.0.1:5500", 15 | "http://localhost:3500", 16 | ]; 17 | 18 | const corsOptions = { 19 | origin: (origin, callback) => { 20 | if (whitelist.indexOf(origin) != -1 || !origin) { 21 | callback(null, true); 22 | } else { 23 | callback(new Error("Not allowed by Cors")); 24 | } 25 | }, 26 | optionSuccessStatus: 200, 27 | }; 28 | app.use(cors(corsOptions)); 29 | 30 | app.use(express.urlencoded({ extended: false })); 31 | 32 | app.use(express.json()); // for json data 33 | 34 | // for giveing access to the static folders. 35 | app.use(express.static(path.join(__dirname, "/public"))); // default directory is '/' 36 | app.use("/subdir", express.static(path.join(__dirname, "/public"))); 37 | 38 | //Routes 39 | 40 | app.use("/", require("./routes/root")); 41 | app.use("/subdir", require("./routes/subdir")); 42 | app.use("/employees", require("./routes/api/employees")); 43 | 44 | app.all("*", (req, res) => { 45 | res.status(404); 46 | if (req.accepts("html")) { 47 | res.sendFile(path.join(__dirname, "views", "404.html")); 48 | } else if (req.accepts("json")) { 49 | res.json({ error: "404 Not Found" }); 50 | } else { 51 | res.type("txt").send("404 Not Found"); 52 | } 53 | }); 54 | // Error hander 55 | app.use(errorHander); 56 | 57 | app.listen(PORT, () => { 58 | console.log("server is running on port " + PORT); 59 | }); 60 | -------------------------------------------------------------------------------- /tut 3 Routing/views/404.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

404

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 3 Routing/views/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 38 |

Hello Everyone My Name is Harsh

39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /tut 3 Routing/views/new-page.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

Hello World This is New Page

11 | Img 12 | 13 | 14 | -------------------------------------------------------------------------------- /tut 3 Routing/views/subdir/about.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

This is about page

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 3 Routing/views/subdir/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

This is Index file from view/subdir

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/basic.md: -------------------------------------------------------------------------------- 1 | 1. MiddleWare is anything that is betn request and response. 2 | 2. MiddleWare refers to a software component that sits between different parts of an application and adds functionality to it. It plays a key role in processing incoming requests and outgoing responses in a modular and customizable way. 3 | 4 | there are 3 types middleware: 5 | 6 | 1. build in middleware 7 | 2. coustome middleware 8 | 3. middleware from 3rd parties: 9 | for cross origin resorce sharing you need to add dependency 10 | npm i cros 11 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/config/corsOptions.js: -------------------------------------------------------------------------------- 1 | const whitelist = [ 2 | "https:/www.yoursite.com", 3 | "http://127.0.0.1:5500", 4 | "http://localhost:3500", 5 | ]; 6 | 7 | const corsOptions = { 8 | origin: (origin, callback) => { 9 | if (whitelist.indexOf(origin) != -1 || !origin) { 10 | callback(null, true); 11 | } else { 12 | callback(new Error("Not allowed by Cors")); 13 | } 14 | }, 15 | optionSuccessStatus: 200, 16 | }; 17 | 18 | module.exports = corsOptions; 19 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/controllers/employeesController.js: -------------------------------------------------------------------------------- 1 | const data = { 2 | employees: require("../model/employees.json"), 3 | setEmployees: function (data) { 4 | this.employees = data; 5 | }, 6 | }; 7 | 8 | const getAllEmployees = (req, res) => { 9 | res.json(data.employees); 10 | }; 11 | 12 | const createNewEmployee = (req, res) => { 13 | const newEmployee = { 14 | id: data.employees[data.employees.length - 1].id + 1 || 1, 15 | firstname: req.body.firstname, 16 | lastname: req.body.lastname, 17 | }; 18 | if (!newEmployee.firstname || newEmployee.lastname) { 19 | return res 20 | .status(400) 21 | .json({ message: "first and last names are reuired." }); 22 | } 23 | data.setEmployees([...data.employees, newEmployee]); 24 | res.status(201).json(data.employees); 25 | }; 26 | 27 | const updateEmployee = (req, res) => { 28 | res.json({ 29 | firstname: req.body.firstname, 30 | lastname: req.body.lastname, 31 | }); 32 | }; 33 | 34 | const deleteEmployee = (req, res) => { 35 | res.json({ id: req.body.id }); 36 | }; 37 | 38 | const getEmployee = (req, res) => { 39 | res.json({ id: req.params.id }); 40 | }; 41 | 42 | module.exports = { 43 | getAllEmployees, 44 | createNewEmployee, 45 | updateEmployee, 46 | deleteEmployee, 47 | getEmployee, 48 | }; 49 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/data/employees.json: -------------------------------------------------------------------------------- 1 | [{ 2 | "id":1, 3 | "firstname":"harsh", 4 | "lastname":"bailurkar" 5 | }, 6 | { 7 | "id":2, 8 | "firstname":"virat", 9 | "lastname":"kohli" 10 | } 11 | ] -------------------------------------------------------------------------------- /tut 4 MVC REST API/data/salary.json: -------------------------------------------------------------------------------- 1 | [ 2 | { 3 | "id":1, 4 | "amount":20000 5 | } 6 | , 7 | { 8 | "id":2, 9 | "amount":25000 10 | } 11 | ] -------------------------------------------------------------------------------- /tut 4 MVC REST API/logs/errLog.txt: -------------------------------------------------------------------------------- 1 | 20230809 19:52:52 385eb0c6-3f5c-4d7a-8ea1-4b2c807d5636 Error: Not allowed by Cors 2 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/logs/reqLog.txt: -------------------------------------------------------------------------------- 1 | 20230808 21:00:28 0b2028b0-5e8f-42ff-9c55-3dbcbbeca584 GET undefined / 2 | 20230808 21:00:28 8378276a-31df-4645-ab1b-ef47acc3db2e GET undefined /index.js 3 | 20230809 08:39:29 4f62af26-9d16-425c-ad30-fd2762125a36 GET undefined /new-page.html 4 | 20230809 08:39:29 2e48a655-5508-401d-bde3-da0678309d0f GET undefined /css/style.css 5 | 20230809 08:39:29 b457d805-1210-479f-a70a-5d563813c54f GET undefined /img/profile-800x800.png 6 | 20230809 08:39:29 b3abd3de-8fd1-4867-b6ec-09300b016c1f GET undefined /favicon.ico 7 | 20230809 18:21:07 4d04313e-8b7c-43d4-b856-e317638eb4b6 GET undefined / 8 | 20230809 18:21:08 baace0d5-307e-4f30-b52f-27a591dfa99b GET undefined /index.js 9 | 20230809 18:21:08 0f30ac00-6af3-4dcd-9cd9-d981c2b8efe2 GET undefined /favicon.ico 10 | 20230809 19:05:59 ca97b158-c015-43b5-b8eb-31e665b3d355 OPTIONS https://www.google.com / 11 | 20230809 19:05:59 3e6fe624-5017-4be4-b73e-71a870323731 GET https://www.google.com / 12 | 20230809 19:30:56 dd3582af-9713-4526-a008-321e79a2ae4f GET undefined / 13 | 20230809 19:31:20 2ae92b06-3878-43d6-b97f-136099fe2359 GET undefined / 14 | 20230809 19:31:21 d25319de-254d-4f64-a408-250013da6d86 GET undefined / 15 | 20230809 19:31:34 27ee0862-d6ef-489b-b965-90999f65f5e7 GET undefined / 16 | 20230809 19:31:52 6c4ad2c9-4342-425d-a20c-a5c5af6be251 GET undefined / 17 | 20230809 19:32:44 84e9358f-4302-4257-b2f3-b092219ed461 GET undefined / 18 | 20230809 19:32:44 6d8b39f0-6386-484b-a6f3-3292f3fbf236 GET undefined /index.js 19 | 20230809 19:52:05 9ee8055d-fea2-41ac-8bb0-97d77957451f GET undefined / 20 | 20230809 19:52:05 42bf55f6-dc9c-46dd-ab08-cce331b878af GET undefined /index.js 21 | 20230809 19:52:52 e0ea3bc6-71ed-4ef1-a00c-54ce2588f4a2 GET undefined / 22 | 20230809 20:03:05 a3fa091c-530b-4286-8acf-2106b7a21fc7 GET undefined / 23 | 20230809 20:03:05 e2ddb838-68bd-4c8c-baf3-6fe702669722 GET undefined /index.js 24 | 20230809 20:03:06 9a49fc1d-0a2d-432c-93c4-499ff2f8341c GET undefined / 25 | 20230809 20:03:06 d05df912-a97d-4092-8b44-8638ed88919e GET undefined /index.js 26 | 20230809 20:03:23 8f311342-5f56-43cc-baa3-2b5a891f53b1 GET undefined /hello.json 27 | 20230809 20:03:23 2ead6e1f-c645-43e1-91fe-88f1c9bec809 GET undefined /css/style.css 28 | 20230809 20:28:17 578fdfc4-229f-461c-a9ef-aa192d532791 GET undefined /new-page.html 29 | 20230809 20:28:17 b2f0684d-2613-47af-bf07-5225c2102da0 GET undefined /img/profile-800x800.png 30 | 20230809 20:28:17 64604e89-26c7-4596-9ec1-382d3afee4e2 GET undefined /css/style.css 31 | 20230809 20:28:17 f6fed39b-b1ae-495f-bcaa-68c05edbc618 GET undefined /favicon.ico 32 | 20230809 20:28:23 119bbca2-aa99-4b0a-9ac9-96055f1e3755 GET undefined / 33 | 20230809 20:28:23 45fe8fe3-960f-4b54-bcfa-93a85c8a1be2 GET undefined /index.js 34 | 20230809 20:30:40 bbde6f0f-8209-416c-9c64-2038cbdea07a GET undefined /subdir/ 35 | 20230809 20:31:06 011ba856-7bbc-4c34-8bcb-e8fc94f9d758 GET undefined /subdir/about 36 | 20230809 20:31:06 ab24e8fe-58a8-4f56-97b4-0a75c98062ef GET undefined /css/style.css 37 | 20230809 20:31:16 1cf3c021-7966-494b-aa0e-13c9bc42a269 GET undefined /subdir/about.html 38 | 20230809 20:31:16 3ee949d2-07c2-4b86-b82e-a0dda36aebe6 GET undefined /css/style.css 39 | 20230809 21:15:11 6937f617-a0f7-49d2-b964-ec0c2793879e GET undefined /subdir/about 40 | 20230809 21:15:12 27e407e7-c28e-41d0-acfc-bed90d9ea3f4 GET undefined /css/style.css 41 | 20230809 21:16:04 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20230809 22:15:50 87c6eca3-6116-41e9-80c5-3b033537c536 GET undefined /css/style.css 64 | 20230809 22:15:50 5a8fafb3-70a7-4cab-80e5-33f4ab6d6a3b GET undefined /img/profile-800x800.png 65 | 20230809 22:16:34 14031d7e-4372-4097-9a38-719df5a19918 GET undefined /subdir/ 66 | 20230809 22:24:46 c98aca3a-27a7-4619-bc8c-f78e8f5df003 GET undefined /subdir/ 67 | 20230809 22:30:29 3b7c5b07-7365-45d8-aecc-1aa2075469d7 GET undefined /subdir/ 68 | 20230809 22:31:48 4fc4ba38-d484-426d-8e1d-5e1295e79cbc GET undefined /subdir/ 69 | 20230809 22:31:49 9aee0bfc-7542-46df-af2a-5b9b90245c75 GET undefined /subdir/ 70 | 20230809 22:31:50 fa4df8b1-cbd6-4a9d-abd0-1997365aa922 GET undefined /subdir/ 71 | 20230809 22:31:55 80fdb2d1-b4e2-429b-a40c-cf25397baa09 GET undefined /subdir/ 72 | 20230809 22:31:56 8e398046-3566-4e4d-8f05-fa277ccd8410 GET undefined /subdir/ 73 | 20230809 22:32:11 0e5ba616-8e07-4880-b9f3-4f017240ddb2 GET undefined /subdir/ 74 | 20230809 22:32:15 62e58fe4-d4ea-4e2b-8723-c3a7b599bb05 GET undefined / 75 | 20230809 22:32:15 78eb68d0-b941-48e3-8e34-35ef4280d5db GET undefined /index.js 76 | 20230809 22:32:35 7080b5b2-7684-4983-b178-a25ee20146ef GET undefined /new-page.html 77 | 20230809 22:32:35 110de3a9-628f-43c5-b4c1-07d3783c9dc2 GET undefined /css/style.css 78 | 20230809 22:32:35 728da7cc-b8ed-47bf-891c-76da82f4115e GET undefined /img/profile-800x800.png 79 | 20230809 22:32:49 3d4fbdde-00a1-49ba-8972-a451163158b9 GET undefined /404 80 | 20230809 22:32:49 47c15dd7-3d6f-4b1f-a4ab-fc4028e8c158 GET undefined /css/style.css 81 | 20230809 22:32:56 d1a59442-dfc5-49ab-b326-5fecc8f40360 GET undefined /subdir/ 82 | 20230809 22:33:06 f1712871-03cb-4ab5-9346-2f784a723d13 GET undefined /subdir/about.html 83 | 20230809 22:33:06 a8110aa1-0c10-4b47-9304-569f086d4eb7 GET undefined /subdir/css/style.css 84 | 20230809 22:33:40 08ce2608-72d0-4eab-ac80-dfcb4b78df96 GET undefined /subdir/ 85 | 20230809 22:33:40 2dc1c81d-04e0-43fb-be8e-0c8c98e73fdf GET undefined /subdir/css/style.css 86 | 20230809 22:38:26 27a1fa70-6657-49ff-9a84-440358b0ca85 GET undefined /subdir/ 87 | 20230809 22:38:26 d56a332e-e4ff-4e61-b40c-9e453b1c9e91 GET undefined /subdir/css/style.css 88 | 20230809 22:38:28 75dc8052-8c51-4854-aa75-7259c07538e8 GET undefined / 89 | 20230809 22:38:29 7e592b0e-3d83-43d0-b42a-97a2794fb58a GET undefined /index.js 90 | 20230809 22:38:53 04aa94a8-88a1-45fa-9624-518812a87a91 GET undefined /new-page.html 91 | 20230809 22:38:53 eb022424-3778-44b8-ba0a-793c530b4b3d GET undefined /css/style.css 92 | 20230809 22:38:53 d6cdfbf3-bb4a-4f81-967c-a58b6bf90f3a GET undefined /img/profile-800x800.png 93 | 20230809 22:40:42 3bb5770a-dcdc-4672-a16d-7f8181a8e608 GET undefined /cahin 94 | 20230809 22:40:42 895d8526-62f4-4b48-8cad-5610f6f50c46 GET undefined /css/style.css 95 | 20230809 22:41:11 a21a3256-c116-4b47-83f2-f2925594bf46 GET undefined /chain 96 | 20230921 13:19:33 05bbd6c8-0d16-4ca5-8ab5-3b390c5898b3 GET undefined / 97 | 20230921 13:19:33 738d79b2-8cff-4ef5-90eb-8baa523dd51f GET undefined /index.js 98 | 20230921 13:19:33 ac5b5844-d138-475d-8341-7b3bdfca8d16 GET undefined /favicon.ico 99 | 20230921 13:21:47 f4c73979-0d91-42d6-b5bc-51d5753c041c GET undefined /subdir/ 100 | 20230921 13:21:47 8fced43a-b759-441f-b33a-d91adfbd28ea GET undefined /subdir/css/style.css 101 | 20230921 13:22:51 74aa9cfd-7212-49ff-81c5-75ac8dff6534 GET undefined /subdir/about 102 | 20230921 13:22:51 693c189c-a7ef-4b70-ba73-c4f6bd1a0e89 GET undefined /subdir/css/style.css 103 | 20230921 13:24:51 a9a96cc5-c145-491b-8faa-d5ebcec4b2ad GET undefined /subdir/about/fb 104 | 20230921 13:24:51 df63ba82-6d49-4999-9794-75ca0133a3ca GET undefined /subdir/about/css/style.css 105 | 20230921 13:24:55 6ab33c38-75f7-4380-9303-73f37770ce96 GET undefined /subdir/sdfgsd 106 | 20230921 13:24:55 a105822f-0b18-4f8d-b07b-36b64ebd202c GET undefined /subdir/css/style.css 107 | 20230921 13:24:59 de387ef2-86ba-488a-96ba-750f36a0b445 GET undefined /subdirsdf 108 | 20230921 13:24:59 4a08c001-0864-4c5a-8446-0de1ff406938 GET undefined /css/style.css 109 | 20230921 13:25:03 3f6ccc64-07fc-4cb2-836c-bda0225d83e7 GET undefined / 110 | 20230921 13:25:03 21ac2439-826f-4f30-94f8-91c142fb7b20 GET undefined /index.js 111 | 20230921 13:25:07 51e5a756-586e-48ad-bf01-2c62a2823d99 GET undefined / 112 | 20230921 13:25:07 f2be2f0c-240c-4569-9710-4553af900865 GET undefined /index.js 113 | 20230921 13:25:13 4a941b4e-c631-4e85-a0e7-26dc9fe023bc GET undefined /subdir/ 114 | 20230921 13:25:13 a7aae7e1-b282-41e2-8c71-f4c557540778 GET undefined /subdir/css/style.css 115 | 20230921 13:30:43 f6d525ce-fdb3-43af-977a-2eeb4ffb8527 GET undefined /new-page.html 116 | 20230921 13:30:43 ae85ef83-2cc8-40ac-9485-bc76abde4ba5 GET undefined /css/style.css 117 | 20230921 13:30:43 f0210d9c-23ea-44e9-aaea-e88317dc8ee1 GET undefined /img/profile-800x800.png 118 | 20230921 13:30:49 a4deefc2-18a7-429f-b7de-cafc2d4db187 GET undefined /new-page.html 119 | 20230921 13:30:49 3548065e-7e34-4e93-a1b4-6f93be090206 GET undefined /css/style.css 120 | 20230921 13:30:49 d89260f5-0885-427a-97c9-66c5a8c1963e GET undefined /img/profile-800x800.png 121 | 20230921 13:30:53 b96ef344-b346-4b44-839f-b5e541fd6691 GET undefined /new-page.html 122 | 20230921 13:30:53 073d5f25-4fcb-42d9-bcd1-4f8d9f1b1a74 GET undefined /css/style.css 123 | 20230921 13:30:53 044a34ee-9b48-4727-952c-20a7f9cda28b GET undefined /img/profile-800x800.png 124 | 20230921 13:31:20 ce36dec9-75d9-42b0-95a0-130f8783cff0 GET undefined /img/profile-800x800.png 125 | 20230921 13:35:44 dac857d3-7a31-4684-b511-e9d3d590da16 GET undefined / 126 | 20230921 13:35:44 f73bde25-dcf0-430d-b900-2b4da994c241 GET undefined /index.js 127 | 20230921 13:35:51 116796de-18a2-4af4-8a72-b23b79ca22ef GET undefined /employees 128 | 20230921 13:42:23 642d4266-e270-47f1-873f-cd8e32239453 GET undefined /employees 129 | 20230921 13:42:24 4c8f0743-a83f-46e2-944a-01519004ff09 GET undefined /employees 130 | 20230921 13:42:25 14e6c14a-d1f8-4eec-bf94-9df01e290f3d GET undefined /employees 131 | 20230921 13:42:33 e3028030-df5e-411b-8559-00743b353b57 GET undefined /employees 132 | 20230921 13:42:34 ac1be35b-c20f-4519-aa8b-d49a990dc8dd GET undefined /employees 133 | 20230921 13:42:34 31f48194-4eb2-45c8-8535-e052157d4bf6 GET undefined /employees 134 | 20230921 13:43:12 70a46aca-673e-4186-9a01-7b7791ec6382 GET undefined /employees 135 | 20230921 13:43:12 ea04d396-7a5c-4a3d-80ec-38785a3ac3b7 GET undefined /employees 136 | 20230921 13:43:12 145b83aa-53d7-421f-8643-18c21022af0a GET undefined /employees 137 | 20230921 13:43:13 f5ea4702-5249-4291-9fa0-acc309ec946e GET undefined /employees 138 | 20230921 13:43:22 e091cb2e-bb14-464c-8b98-df8a2b67a2b4 GET undefined /employees 139 | 20230921 13:43:22 2baaf4df-cc3e-4b23-8b10-f61efd790d87 GET undefined /employees 140 | 20230921 14:28:51 8a6fd573-0c07-465a-b93a-6bb26602b616 GET undefined / 141 | 20230921 14:28:51 ed8faeb1-1ede-4292-b380-535c79935e4d GET undefined /index.js 142 | 20230921 14:29:28 5f6be99d-f751-48ff-924a-2755f1af5528 GET undefined /:2 143 | 20230921 14:29:28 d1fc7062-2657-4e48-8f93-99fa0cee02aa GET undefined /css/style.css 144 | 20230921 14:51:37 eeca2b99-8929-4665-87d3-fdefc5e30fd8 GET undefined /employees 145 | 20230921 14:51:44 ddb07579-7c8e-4cf6-bfb1-b98af129e1b9 GET undefined /employees 146 | 20230921 14:52:10 aee014c7-0c39-4430-811b-30b467ea1a01 POST undefined /employees 147 | 20230921 14:52:22 29578c2f-d5f4-4af0-abb1-586dcc803faa PUT undefined /employees 148 | 20230921 14:52:26 bcbb0c2e-3625-4c3b-9321-8fe94f012c14 DELETE undefined /employees 149 | 20230921 14:52:51 aa9a10c6-3d71-4660-985c-9653d2f2c0f2 POST undefined /employees 150 | 20230921 14:53:42 c999da08-38de-4300-9943-de9f425096e8 POST undefined /employees 151 | 20230921 14:54:11 a37bbef7-a67b-4199-a205-067d8f4f7109 PUT undefined /employees 152 | 20230921 14:54:42 433a11ef-4aa1-43b3-bc99-ae2567b8ad83 PUT undefined /employees 153 | 20230921 14:55:01 ea81c44a-9219-4fcc-9984-4b3b7ca93620 GET undefined /employees 154 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/middleware/errorHandler.js: -------------------------------------------------------------------------------- 1 | const { logEvents } = require("./logEvents"); 2 | 3 | const errorHandler = (err, req, res, next) => { 4 | logEvents(`${err.name}: ${err.message}`, "errLog.txt"); 5 | console.error(err.stack); 6 | res.status(500).send(err.message); 7 | }; 8 | 9 | module.exports = errorHandler; 10 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/middleware/logEvents.js: -------------------------------------------------------------------------------- 1 | const { format } = require("date-fns"); 2 | const { v4: uuid } = require("uuid"); 3 | const fs = require("fs"); 4 | const fspromises = require("fs").promises; 5 | const path = require("path"); 6 | 7 | const logEvents = async (message, logName) => { 8 | const datetime = `${format(new Date(), "yyyyMMdd\t HH:mm:ss")}`; 9 | const logItems = `${datetime}\t ${uuid()} \t ${message}\n`; 10 | 11 | try { 12 | if (!fs.existsSync(path.join(__dirname, "..", "logs"))) { 13 | await fspromises.mkdir(path.join(__dirname, "..", "logs")); 14 | } 15 | // for testing 16 | await fspromises.appendFile( 17 | path.join(__dirname, "..", "logs", logName), 18 | logItems 19 | ); 20 | console.log("text updated in logName"); 21 | } catch (err) { 22 | console.log(err); 23 | } 24 | }; 25 | 26 | const logger = (req, res, next) => { 27 | logEvents( 28 | `${req.method}\t ${req.headers.origin} \t ${req.url}`, 29 | "reqLog.txt" 30 | ); 31 | console.log(req.method + req.path); 32 | next(); // next() is important for next execution 33 | }; 34 | 35 | module.exports = { logEvents, logger }; 36 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/model/employees.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const router = express.Router(); 3 | const path = require("path"); 4 | const employeeController = require("../../controllers"); 5 | const { 6 | getAllEmployees, 7 | createNewEmployee, 8 | updateEmployee, 9 | deleteEmployee, 10 | getEmployee, 11 | } = require("../controllers/employeesController"); 12 | 13 | router 14 | .route("/") 15 | .get(getAllEmployees) 16 | .post(createNewEmployee) 17 | .put(updateEmployee) 18 | .delete(deleteEmployee); 19 | 20 | router.route("/:id").get(getEmployee); 21 | 22 | module.exports = router; 23 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "tut-2-middleware", 3 | "version": "1.0.0", 4 | "description": "", 5 | "main": "index.js", 6 | "scripts": { 7 | "start": "node server", 8 | "dev": "nodemon server" 9 | }, 10 | "keywords": [], 11 | "author": "", 12 | "license": "ISC", 13 | "devDependencies": { 14 | "nodemon": "^3.0.1" 15 | }, 16 | "dependencies": { 17 | "cors": "^2.8.5", 18 | "cros": "^1.0.1", 19 | "express": "^4.18.2" 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/public/css/style.css: -------------------------------------------------------------------------------- 1 | body { 2 | background-color: black; 3 | color: bisque; 4 | } 5 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/public/img/profile-800x800.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Harshbailurkar/Express-JS/5820c145609b0fffc7b4f9c250b88b1f93abd8e0/tut 4 MVC REST API/public/img/profile-800x800.png -------------------------------------------------------------------------------- /tut 4 MVC REST API/routes/root.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const router = express.Router(); 3 | const path = require("path"); 4 | 5 | router.get("^/$|/index.html", (req, res) => { 6 | res.sendFile(path.join(__dirname, "..", "views", "index.html")); 7 | }); 8 | 9 | router.get("/new-page(.html)?", (req, res) => { 10 | res.sendFile(path.join(__dirname, "..", "views", "new-page.html")); 11 | }); 12 | 13 | router.get("/old-page(.html)?", (req, res) => { 14 | res.redirect(path.join(__dirname, "views", "new-page.html")); 15 | }); 16 | 17 | module.exports = router; 18 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/routes/subdir.js: -------------------------------------------------------------------------------- 1 | const express = require("express"); 2 | const router = express.Router(); 3 | const path = require("path"); 4 | 5 | router.get("^/$|/index.html", (req, res) => { 6 | res.sendFile(path.join(__dirname, "..", "views", "subdir", "index.html")); 7 | }); 8 | 9 | router.get("/about(.html)?", (req, res) => { 10 | res.sendFile(path.join(__dirname, "..", "views", "subdir", "about.html")); 11 | }); 12 | 13 | module.exports = router; 14 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/server.js: -------------------------------------------------------------------------------- 1 | const path = require("path"); 2 | const express = require("express"); 3 | const app = express(); 4 | const { logger } = require("./middleware/logEvents"); 5 | const errorHander = require("./middleware/errorHandler"); 6 | const cors = require("cors"); 7 | const corsOptions = require("./config/corsOptions"); 8 | const PORT = process.env.PORT || 3500; 9 | 10 | app.use(logger); 11 | 12 | app.use(cors(corsOptions)); 13 | 14 | app.use(express.urlencoded({ extended: false })); 15 | 16 | app.use(express.json()); // for json data 17 | 18 | // for giveing access to the static folders. 19 | app.use(express.static(path.join(__dirname, "/public"))); // default directory is '/' 20 | app.use("/subdir", express.static(path.join(__dirname, "/public"))); 21 | 22 | //Routes 23 | 24 | app.use("/", require("./routes/root")); 25 | app.use("/subdir", require("./routes/subdir")); 26 | app.use("/employees", require("./model/employees")); 27 | 28 | app.all("*", (req, res) => { 29 | res.status(404); 30 | if (req.accepts("html")) { 31 | res.sendFile(path.join(__dirname, "views", "404.html")); 32 | } else if (req.accepts("json")) { 33 | res.json({ error: "404 Not Found" }); 34 | } else { 35 | res.type("txt").send("404 Not Found"); 36 | } 37 | }); 38 | // Error hander 39 | app.use(errorHander); 40 | 41 | app.listen(PORT, () => { 42 | console.log("server is running on port " + PORT); 43 | }); 44 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/views/404.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

404

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/views/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 38 |

Hello Everyone My Name is Harsh

39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/views/new-page.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

Hello World This is New Page

11 | Img 12 | 13 | 14 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/views/subdir/about.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

This is about page

11 | 12 | 13 | -------------------------------------------------------------------------------- /tut 4 MVC REST API/views/subdir/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | Document 7 | 8 | 9 | 10 |

This is Index file from view/subdir

11 | 12 | 13 | --------------------------------------------------------------------------------