Notes

routes/product.js
const Product = require('../../models/product')

module.exports = function (router){
//get
router.get('/product', function(req,res){
Product.find({}, (err,product)=>{

if(err){
res.json({success:false,message:err}); // return err msg
}else{
//
if(!product){
res.json({success:false, message: 'No product found'});//return err msg
}else{
res.json(product);
// res.json({success:true, product: product}); // return success and product array
}
}
})
})
//get specific
router.get('/product/:_id', async(req,res)=>{
try{
const post = await Product.findById(req.params._id);
res.json(post);
}
catch(err){
res.json({message : err})
}
})



//post : get new meeting note document..
router.post('/product', function(req , res){
let note = new Product(req.body)
note.save(function (err , note){
if(err){
return res.status(400).json(err)
}
res.status(200).json(note)
})
})


router.put('/updateProduct/:_id', (req, res)=>{
//check if id is provided
if(!req.body._id){
res.json({success: false, message: "No product is provided"}); // return error message
}else{
//check if id exicts in db
Product.findOne({_id:req.body._id}, (err,product)=>{
//check if id is valid id
if(err){
res.json({success: false , message: 'Not a valid product id'});

}else{
product.productID = req.body.productID;
product.prodName = req.body.prodName;
product.brand = req.body.brand;
product.price = req.body.price;
product.manfDate = req.body.manfDate;
product.expDate = req.body.expDate;
product.save((err)=>{
if(err){
res.json({success : false, message: err}); //return err msg
}else{
res.json({success: true, message : 'Poduct Updated!'}); // return success message
}
});
}
});
}
});

router.delete('/deleteProduct/:productID',(req,res)=>{
//check id if was provided in parameters
if(!req.params.productID){
res.json({ success: false , message:'No id provided'}); //return error msg
}else{
//check id is found in db
Product.findOne({productID: req.params.productID},(err,product)=>{
//check if error was found
if(err){
res.json({success:false, message:'Invalid ID'});//return err msg
}else{
//remove the product from db
product.remove((err)=>{
if(err){
res.json({success : false, message:err});//return err msg
}else{
res.json({success:true, message:'Product deleted'});// return success msg
}
});
}
});
}
});
}
index.js
const express = require('express')
const router = express.Router()
//api/index.js

require('./routes/product')(router)

module.exports = router
models/product.js
const mongoose = require('mongoose')

const productSchema = new mongoose.Schema({
productID : {type : Number},
prodName : {type : String},
brand : {type : String},
price : {type : Number},
manfDate : {type : Date},
expDate : {type : Date},
// Image: {type:String}

})

module.exports = mongoose.model('Product', productSchema)
app.js:-
const express = require ('express')
const app = express()
const api = require('./api')
const morgan = require('morgan')//logger
const bodyParser = require ('body-parser')
const cors = require('cors')

app.set('port' ,(process.env.PORT || 8080))

app.use(express.json())
app.use(express.urlencoded({ extended: false}))

app.use(cors())

app.use('/api', api)
app.use(express.static('static'))

app.use(morgan('dev'))
app.use(function(req,res){
const err = new Error('not found')
err.status = 400
res.json(err)
})

//MongoDB connection
const mongoose = require('mongoose')
mongoose.connect('mongodb://localhost:27017/virtualproduts', {useNewUrlParser: true})

const db = mongoose.connection
db.on('error', console.error.bind(console, 'connection error:'))
db.once('open', function(){
console.log('connected to mongo')

app.listen(app.get('port'), function(){
console.log('API Server Listening on port' + app.get('port') + '!')
})
})