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middleware.js
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middleware.js
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const express = require('express');
const app=express();
app.use(express.json());
const port= process.env.PORT || 3000;
app.use(function (req,res,next){
console.log('logging.....');
next();
});
app.use(function (req,res,next){
console.log('Athenticating.....');
next();
});
app.listen(port,() => {
console.log(`Listning on port ${port}....`);
});
const courses =[
{ id: 1, name: 'Course1'},
{ id: 2, name: 'Course2'},
{ id: 3, name: 'Course3'},
]
app.get('/',(_req,res) => {
res.send("Hello World!!!");
});
app.post('/NodeJS',(req,res)=>{
const course={
id: courses.length+1,
name: req.body.name
};
courses.push(course);
res.send(courses);
})
app.put('/Node-JS/:id',(req,res)=>{
const Course=courses.find(c=>c.id===parseInt(req.params.id));
if(!Course){
res.status(404).send("Course Id not found");
return;
}
Course.name=req.body.name;
res.send(courses);
})
app.delete('/Node-JS/:id',(req,res)=>{
const Course=courses.find(c=>c.id===parseInt(req.params.id));
if(!Course){
res.status(404).send("Course Id not found");
return;
}
const index=courses.indexOf(Course);
courses.splice(index,1);
res.send(courses);
})
app.get('/NodeJS/:id',(req,res)=>{
const Course=courses.find(c=>c.id===parseInt(req.params.id));
if(!Course){
res.status(404).send("Course Id not found");
return;
}
res.send(Course);
});
app.get('/NodeJS',(_req,res)=>{
res.send(courses);
});