From 3d23f92f7afd31aa26e80a20143c78d2dde1584c Mon Sep 17 00:00:00 2001 From: varshaa Date: Tue, 31 Oct 2023 16:21:53 +0530 Subject: [PATCH 1/2] Assignment 2 Completed --- 02-nodejs/authenticationServer.js | 87 +++++++ 02-nodejs/fileServer.js | 36 ++- 02-nodejs/package-lock.json | 415 ++++++++++++++++++++---------- 02-nodejs/todoServer.js | 79 +++++- 4 files changed, 473 insertions(+), 144 deletions(-) diff --git a/02-nodejs/authenticationServer.js b/02-nodejs/authenticationServer.js index c5278b94..2c113181 100644 --- a/02-nodejs/authenticationServer.js +++ b/02-nodejs/authenticationServer.js @@ -32,6 +32,93 @@ const express = require("express") const PORT = 3000; const app = express(); +const bodyParser=require("body-parser"); + +//middleware +app.use(bodyParser.json()); + +let user=[]; + +function userSignup(req,res){ + let userDetails=req.body; + let emailCheck=req.body.email; + let emailExist=false; + for(let i=0;i{ +// console.log(`Listening on ${PORT}`); +// }); + // write your logic here, DONT WRITE app.listen(3000) when you're running tests, the tests will automatically start the server module.exports = app; diff --git a/02-nodejs/fileServer.js b/02-nodejs/fileServer.js index 82e7719b..23251ef9 100644 --- a/02-nodejs/fileServer.js +++ b/02-nodejs/fileServer.js @@ -20,6 +20,40 @@ const express = require('express'); const fs = require('fs'); const path = require('path'); const app = express(); +// const port = 3000; +app.get('/files', (req,res) => { + const directoryPath = path.join(__dirname, './files/') -module.exports = app; + fs.readdir(directoryPath, (err,files) => { + if(err){ + res.status(500).json({error: "Error reading directory"}) + } + else{ + res.status(200).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){ + res.status(404).send("File not found") + } + else{ + res.status(200).send(data) + } + }) +}) + +app.all("*", (req,res) => { + res.status(404).send('Route not found') +}) + +// app.listen(port, () => { +// console.log(`Example app listening on port ${port}`) +// }) + +module.exports = app; \ No newline at end of file diff --git a/02-nodejs/package-lock.json b/02-nodejs/package-lock.json index b13088b7..ab3ed9eb 100644 --- a/02-nodejs/package-lock.json +++ b/02-nodejs/package-lock.json @@ -31,17 +31,89 @@ } }, "node_modules/@babel/code-frame": { - "version": "7.21.4", - "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.21.4.tgz", - "integrity": "sha512-LYvhNKfwWSPpocw8GI7gpK2nq3HSDuEPC/uSYaALSJu9xjsalaaYFOq0Pwt5KmVqwEbZlDu81aLXwBOmD/Fv9g==", + "version": "7.22.13", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.22.13.tgz", + "integrity": "sha512-XktuhWlJ5g+3TJXc5upd9Ks1HutSArik6jf2eAjYFyIOf4ej3RN+184cZbzDvbPnuTJIUhPKKJE3cIsYTiAT3w==", "dev": true, "dependencies": { - "@babel/highlight": "^7.18.6" + "@babel/highlight": "^7.22.13", + "chalk": "^2.4.2" }, "engines": { "node": ">=6.9.0" } }, + "node_modules/@babel/code-frame/node_modules/ansi-styles": { + "version": "3.2.1", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz", + "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==", + "dev": true, + "dependencies": { + "color-convert": "^1.9.0" + }, + "engines": { + "node": ">=4" + } + }, + "node_modules/@babel/code-frame/node_modules/chalk": { + "version": "2.4.2", + "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz", + "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==", + "dev": true, + "dependencies": { + "ansi-styles": "^3.2.1", + "escape-string-regexp": "^1.0.5", + "supports-color": "^5.3.0" + }, + "engines": { + "node": ">=4" + } + }, + "node_modules/@babel/code-frame/node_modules/color-convert": { + "version": "1.9.3", + "resolved": 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return -1; +} + +function removeAtIndex(arr, index){ + const newArray = []; + for(var i = 0; i < arr.length; i++){ + if(i !== index){ + newArray.push(arr[i]); + } + } + return newArray; +} + +app.get('/todos', (req,res) => { + res.status(200).json(todos) +}) + +app.get('/todos/:id', (req, res) => { + const todoIndex = findIndex(todos, parseInt(req.params.id)) + if(todoIndex == -1){ + res.status(404).send("Not Found") + } + else{ + res.status(200).json(todos[todoIndex]) + } +}) + +app.post('/todos',(req,res) => { + var newTodo = { + id : Math.floor(Math.random() * 1000000), + 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(401).send("Not Found") + } + 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 = removeAtIndex(todos, todoIndex); + res.status(200).send(); + } +}); + +app.all('*',(req,res) => { + res.status(404).send("Route not found"); +}) + +// app.listen(port, () => { +// console.log(`Example app listening on port ${port}`) +// }) + +// module.exports = app; From fcdf02f38277c1ba01562bb460608d15b3c48dce Mon Sep 17 00:00:00 2001 From: varshaa Date: Wed, 1 Nov 2023 11:53:25 +0530 Subject: [PATCH 2/2] Completed Hard todo in todoServer.js --- 02-nodejs/todoServer.hard.js | 119 +++++++++++++++++++++++++++++++++++ 02-nodejs/todos.json | 1 + 2 files changed, 120 insertions(+) create mode 100644 02-nodejs/todoServer.hard.js create mode 100644 02-nodejs/todos.json diff --git a/02-nodejs/todoServer.hard.js b/02-nodejs/todoServer.hard.js new file mode 100644 index 00000000..bec9abe5 --- /dev/null +++ b/02-nodejs/todoServer.hard.js @@ -0,0 +1,119 @@ +const express = require('express') +const app = express() +const port = 3000 +const fs = require('fs') +const bodyParser = require('body-parser') + +app.use(bodyParser.json()) + +function findIndex(arr,id){ + for(var i = 0; i < arr.length; i++){ + if(arr[i].id == id) return i; + } + return -1; +} + +function removeAtIndex(arr, index){ + const newArray = []; + for(var i = 0; i < arr.length; i++){ + if(i !== index){ + newArray.push(arr[i]); + } + } + return newArray; +} + +app.get('/todos', (req, res) => { + fs.readFile("todos.json", "utf8" , (err,data) => { + if(err){ + res.status(400).json({Error: "Error reading file"}) + } + else{ + res.status(200).json(JSON.parse(data)) + } + }) +}) + +app.get('/todos/:id', (req,res) => { + fs.readFile("todos.json","utf8",(err,data) => { + if(err) throw err; + var todos = JSON.parse(data); + const todoIndex = findIndex(todos, parseInt(req.params.id)); + if(todoIndex == -1){ + res.status(400).send("Not Found"); + } + else{ + res.status(200).json(todos[todoIndex]) + } + }) +}) + +app.post('/todos',(req,res) => { + fs.readFile("todos.json", "utf8" , (err,data) => { + if(err){ + res.status(400).json({Error: "Error reading file"}) + } + else{ + const newTodo = { + id: Math.floor(Math.random() * 1000000), + title: req.body.title, + description: req.body.description + } + const todos = JSON.parse(data); + todos.push(newTodo); + fs.writeFile("todos.json", JSON.stringify(todos), (err) => { + if(err){ + res.status(400).json({Error: "Not able to add todo"}) + } + else{ + res.status(200).send(newTodo); + } + }) + } + }) +}) + +app.put("/todos/:id", (req,res) => { + fs.readFile("todos.json","utf8", (err,data) => { + if(err) throw err; + var todos = JSON.parse(data); + const todoIndex = findIndex(todos, parseInt(req.params.id)); + if(todoIndex == -1){ + res.status(404).send(); + } + else{ + var updatedTodo = { + id: todos[todoIndex].id, + title: req.body.title, + description: req.body.description + } + todos[todoIndex] = updatedTodo; + fs.writeFile("todos.json", JSON.stringify(todos), (err) => { + if(err) throw err; + res.json(updatedTodo); + }) + } + }) +}) + +app.delete("/todos/:id", (req,res) => { + fs.readFile("todos.json", "utf8", (err,data) => { + if(err) throw err; + const originalTodos = JSON.parse(data); + const todoIndex = findIndex(originalTodos, parseInt(req.params.id)); + if(todoIndex == -1){ + res.status(404).send(); + } + else{ + const updatedTodos = removeAtIndex(originalTodos, todoIndex); + fs.writeFile("todos.json", JSON.stringify(updatedTodos), (err) => { + if(err) throw err; + res.status(200).send(); + }) + } + }) +}) + +app.listen(port, () => { + console.log(`Example app listening on port ${port}`) +}) \ No newline at end of file diff --git a/02-nodejs/todos.json b/02-nodejs/todos.json new file mode 100644 index 00000000..5deba7cd --- /dev/null +++ b/02-nodejs/todos.json @@ -0,0 +1 @@ +[{"id":922247,"title":"tests","description":"write tests for code"},{"id":365993,"title":"gym","description":"go to gym at 7"},{"id":236654,"title":"groceries","description":"buy groceries at 8"}] \ No newline at end of file