Assignment-1

app.js

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+const express = require('express');
+const app = express();
+const bcrypt = require('bcrypt');
+const jwt = require('jsonwebtoken');
+
+app.use(express.json());
+
+const mongoose = require('mongoose');
+const { INSPECT_MAX_BYTES } = require('buffer');
+mongoose.connect('mongodb://localhost:27017/api', {useNewUrlParser: true, useUnifiedTopology: true});
+mongoose.connection.on('error', console.error.bind(console, 'connection error:'));
+mongoose.connection.once('open', function() {
+  console.log('Connected to database');
+});
+
+app.listen(3000, ()=>{
+    console.log('App Listening on Port 3000');
+})
+
+const UserSchema = new mongoose.Schema({
+    email: String,
+    password: String,
+    userName: String
+});
+
+const listSchema = new mongoose.Schema({
+    "name": {type: string, required: true},
+    "created_at": {type: Date, default: Date.now()},
+    "updated_at ": {type: Date, default: Date.now()},
+    "user": {type: Schema.Types.ObjectId, ref: 'User'}
+});
+
+const itemSchema = new mongoose.Schema({
+    "neme": string,
+    "image": string,
+    "note": string,
+    "list_id": {type : Schema.Types.ObjectId, ref: 'List'},
+    "category_id": {type : Schema.Types.ObjectId, ref: 'Category'}
+});
+
+const categorySchema = new mongoose.Schema({
+    "Name": String,
+    "Created_at": String,
+    "Updated_at": String,
+    "user_id": {type : Schema.Types.ObjectId, ref: 'User'}
+});
+
+const User = mongoose.model('User',UserSchema);
+const List = mongoose.model("List", listSchema);
+const Item = mongoose.model("Item", itemSchema);
+const Category = mongoose.model('Category', categorySchema);
+
+const auth = (req, res, next) => {
+    try {
+        const {id} =jwt.verify(req.get('Authorization'), 'anysecret');
+        const usr = User.findById(id); 
+        req.user = usr;
+        next();
+    } catch(error){
+        res.send('Unauthorized Access')
+    }
+};
+
+app.post('/signup', async (req, res)=> {
+    try {
+        req.body.password = await bcrypt.hash(req.body.password, 12);
+        await User.create(req.body);
+        res.send('user Created Succesfully');   
+    } catch (error) {
+        res.send('Problem with server');
+    }
+
+});
+
+app.get('/getUser/:id', auth ,async (req, res)=> {
+    res.json(await User.findById(req.params.id));
+});
+app.post('/login', async (req, res)=> {
+    try {
+        const usr = await User.findOne({email: req.body.email});
+        const match = await bcrypt.compare(req.body.password, usr.password)
+        if(!match){
+            res.send('Wrong Password')
+        }else{
+            res.send(jwt.sign({id: usr._id}, 'anysecret'))
+        }
+    } catch (error) {
+        console.error(error);
+        res.send('Wrong Email')
+    }
+})
+
+//operations over list
+app.get('/lists', auth ,async(req, res)=> {
+    res.json(await List.find());
+});
+
+app.post('/api/lists',auth, async (req, res) => {
+    try {
+        await List.create(req.body);
+        res.send('list Created Succesfully');   
+    } catch (error) {
+        res.send('Problem with server');
+    }
+});
+
+app.put('/lists/:id', auth, async (req, res) => {
+    await List.updateOne(req.params.id);
+}) ;
+app.delete('/lists/:id', auth, async (req, res) => {
+    await User.findByIdAndDelete(req.params.id);
+    res.send('user Deleted')
+});
+
+app.get('/lists/:id/items', auth, async (req,res) => {
+    res.json(await List.find({"list_id": req.params.id}));
+});
+app.post('/lists/:id/items', auth, async (req, res) => {
+    try{
+        await Item.create({...req.body, "list_id": req.params.id});
+    }catch (error) {
+        res.send('Problem with server');
+    }
+});
+app.put('/lists/:id/items', auth, async (req, res) => {
+    await Item.findByIdAndUpdate(req.params.id, req.body);
+}) ;
+app.delete('/lists/:id/items', async (req, res, next) => {
+    await Item.deleteMany(req.params.id);
+    res.send('Deleted All items')
+});
+
+//operations over items
+
+app.get('/item/',auth,  async (req, res) => {
+    res.json(await Item.findById(req.params.id));
+});
+
+app.post('/item', async (req, res) => {
+    try {
+        await Item.create(req.body);
+        res.send("item created.");
+    }catch (error) {
+        res.send('Problem with server');
+    }
+});
+app.put('/item/:id', async (req, res) => {
+    await Item.findOneAndUpdate({ id: req.body.id },req.body);
+    res.send("The item is updated.")
+});
+app.delete('/item/:id', async (req, res) => {
+    await Item.findOneAndDelete({ id: req.body.id });
+    res.send("The item is deleted.");
+});
+
+//operations over categories
+
+app.get('/categories/', async (req, res) => {
+    res.json(await Category.findById(req.params.id));
+});
+app.post('/categories', async (req, res) => {
+    try {  
+        await Category.create(req.body);
+        res.send("The category is created.");
+    }catch (error) {
+    res.send('Problem with server');
+    }
+});
+app.put('/categories/:id', async (req, res) => {
+    await Category.findOneAndUpdate({ id: req.body.id },req.body);
+    res.send(" category updated.")
+});
+
+app.delete('/categories', async (req, res) => {
+    await Category.findOneAndDelete({ id: req.body.id });
+    res.send("The category is deleted.");
+});
+
+
+

package.json

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+{
+  "name": "assignment-1",
+  "version": "1.0.0",
+  "description": "In this Assignment You need to code your own server using ExpressJS.",
+  "main": "index.js",
+  "scripts": {
+      "start": "node app.js",
+      "start:dev": "nodemon"
+    // "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/asma-filali/Assignment-1.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/asma-filali/Assignment-1/issues"
+  },
+  "homepage": "https://github.com/asma-filali/Assignment-1#readme",
+  "dependencies": {
+    "bcrypt": "^5.0.1",
+    "express": "^4.17.1",
+    "jsonwebtoken": "^8.5.1",
+    "mongoose": "^5.12.3"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.7"
+  }
+}