Get, Post, Delete and Update Database with help of Postman and using mongoDB

 const express=require('express');

const router=express.Router();

const {Categories} =require('../models/categories')

router.get(`/`, async (req,res)=>{

 

    const categoriesList=await Categories.find();

    res.status(200).send(categoriesList);

    if(!categoriesList){

        res.status(500).json({success: false})

    }

})

router.get('/:id', async(req, res)=>{

    const category =await Categories.findById(req.params.id);

    if(!category){

        res.status(500).json({message: 'the category with the given ID was'})

    }

    res.status(200).send(category);

})

router.post('/',async (req, res)=>{

    let category=new Categories({

        name:req.body.name,

        icon:req.body.icon,

        color:req.body.color,

    })

    category=await category.save();

    if(!category)

    return res.status(404).send('the category cannot be created!');

    res.send(category);

})

router.put('/:id', async(req, res)=>{

    const Category=await Categories.findByIdAndUpdate(

        req.params.id,

        {

            name: req.body.name,

            icon: req.body.icon,

            color: req.body.color,

        }

    )

    if(!Category)

    return res.status(404).send('the category cannot be created!');

    res.send(Category);

})

// router.put(':/id', async(req, res)=>{

//     const category=await Categories.findByIdAndUpdate(

//         req.params.id,{

//             name: req.body.name,

//             icon: req.body.icon,

//             color: req.body.color,

//         },{

//             new:true

//         }

//     )

//     if(!category)

//     return res.status(400).send('the category cannot be created!');

//     res.send(category);

// })

router.delete('/:id', async (req, res) => {

   

    try {

      const category = await Categories.findByIdAndRemove(req.params.id);

      if (category) {

        return res.status(200).json({ success: true, message: 'The category is deleted now' });

      } else {

        return res.status(404).json({ success: false, message: 'Category not found' });

      }

    } catch (err) {

      return res.status(404).json({ success: false, error: err });

    }

  });

 

 

 

  module.exports = router;