assignment done

main.js

@@ -0,0 +1,223 @@
+const express = require('express');
+const bcrypt = require('bcrypt');
+const jwt = require('jsonwebtoken');
+const app = express();
+const mongoose = require('mongoose');
+mongoose.connect('mongodb://localhost:27017/Assignment1', { useNewUrlParser: true, useUnifiedTopology: true });
+mongoose.connection.on('error', console.error.bind(console, 'connection error:'));
+mongoose.connection.once('open', function () {
+    console.log('DB connected!');
+});
+const userSchema = new mongoose.Schema({
+    username: String,
+    email: String,
+    Password: String
+});
+const listSchema = new mongoose.Schema({
+
+    name: String,
+    user_id: userSchema,
+    created_at: String,
+    updated_at: String
+
+
+});
+const categorySchema = new mongoose.Schema({
+
+    name: String,
+    user_id: userSchema,
+    created_at: String,
+    updated_at: String
+});
+const itemSchema = new mongoose.Schema({
+    name: String,
+    category_id: categorySchema,
+    note: String,
+    Password: String,
+    image: String,
+    created_at: String,
+    updated_at: String
+});
+const user = mongoose.model('user', userSchema);
+const list = mongoose.model('list', listSchema);
+const category = mongoose.model('category', categorySchema);
+const item = mongoose.model('item', itemSchema);
+
+app.use(express.json());
+
+//user 
+// register user
+
+app.post('/register', async (req, res) => {
+
+    try {
+
+        req.body.Password = await bcrypt.hash(req.body.Password, 12);
+        await user.create(req.body);
+        res.send("Success");
+    } catch (error) {
+        res.send("Error");
+        console.log(error);
+    }
+});
+
+ //user login
+app.post('/login', async (req, res) => {
+
+    try {
+        const User = await user.findOne({ email: req.body.email });
+        const match = await bcrypt.compare(req.body.Password, User.Password);
+        if (!match) {
+            res.send("password is false");
+        } else {
+            res.send(jwt.sign({ id: User._id }, 'anysecret'));
+        }
+    } catch (error) {
+        res.send(" user not founnd ");
+        console.log(error);
+    }
+});
+
+
+// get user by id
+app.get('/user/:id', async (req, res) => {
+
+       try{
+      res.json(await user.findById(req.params.id)); }
+      catch(error){
+          res.send(error);
+      }
+
+});
+
+// create list
+app.post('/list', async (req, res) => {
+
+    try {
+
+        await list.create(req.body);
+        res.send("list created ");
+    } catch (error) {
+        res.send("Error");
+        console.log(error);
+    }
+});
+
+// get list by id
+app.get('/list/:id/items', async (req, res) => {
+
+     try{
+    res.json(await list.findById(req.params.id));}
+    catch(error){
+        res.send(error);
+    }
+
+});
+
+// update list
+app.put('/list', async (req,res)=> {
+
+    await list.findOneAndUpdate({ id: req.body.id },req.body);
+     res.send("list is updated")
+
+});
+
+// delete list by id
+
+app.delete('/list', async (req,res) => {
+
+    await list.findOneAndDelete({id:req.body.id});
+    res.send("list was deleted");
+});
+
+// create category
+app.post('/category', async (req, res) => {
+
+    try {  
+        await category.create(req.body);
+        res.send(" category is created ");
+    } catch (error) {
+        res.send("Error");
+        console.log(error);
+    }
+});
+
+// get category 
+
+app.get('/category', async (req, res) => {
+    try {
+    res.json(await category.find());}
+    catch(error){
+        res.send(error);
+    }
+
+});
+// delete category
+
+app.delete('/category/id', async (req, res) => {
+
+    try {
+    await category.findOneAndDelete({ id: req.body.id });
+    res.send("category was deleted");}
+    catch(error){
+        res.send(error);
+    }
+});
+
+// update category
+app.put('/category', async (req, res) => {
+
+    await category.findOneAndUpdate({ id: req.body.id }, req.body);
+    res.send("category is updated")
+
+});
+
+// create item
+app.post('/item', async (req, res) => {
+
+    try {
+        await item.create(req.body);
+        res.send(" item is created ");
+    } catch (error) {
+        res.send("Error");
+        console.log(error);
+    }
+});
+
+// get item 
+
+app.get('/item', async (req, res) => {
+
+     try {
+    res.send( await item.find()); }
+    catch(error){
+        res.send(error);
+    }});
+
+//  delete item
+
+app.delete('/item', async (req, res) => {
+
+    try {
+    await item.findOneAndDelete({ id: req.body.id });
+    res.send("item was deleted");}
+    catch(error){
+        res.send(error);
+    }
+});
+
+// update item
+
+app.put('/item', async (req, res) => {
+
+    try {
+    await item.findOneAndUpdate({ id: req.body.id }, req.body);
+    res.send("item is updated"); }
+    catch(error) {
+        res.send(error);}
+
+});
+
+app.listen(3000, () => {
+    console.log("connection established");
+});