Complete the following JavaScript code in order to validate repeated students based on their ID within the “postStudent” function.   Block Code:   estControl.postStudent = (req,res)=>{ const {id, name,lastName} = req.body; if(!id || !name || !lastName){ res.status(400).send("Incomplete data {id, name, lastName}"); return; } const Student= { id, name, lastName } db.Students.push(Student); db.updateDB(); res.send('Student registered'); }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Complete the following JavaScript code in order to validate repeated students based on their ID within the “postStudent” function.

 

Block Code:

 

estControl.postStudent = (req,res)=>{

const {id, name,lastName} = req.body;

if(!id || !name || !lastName){

res.status(400).send("Incomplete data {id, name, lastName}");

return;

}

const Student= {

id,

name,

lastName

}

db.Students.push(Student);

db.updateDB();

res.send('Student registered');

}

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