Tell us what’s happening:
Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
Your code so far
/*
*
*
* Complete the API routing below
*
*
*/
'use strict';
const {v4 : uuidv4} = require('uuid')
function Update(n){
let filter={$set:{}};
console.log("update"+JSON.stringify(n))
if(n.issue_title!=""){filter.$set.issue_title=n.issue_title}
if(n.issue_text!=""){filter.$set.issue_text=n.issue_text}
if(n.created_by!=""){filter.$set.created_by=n.created_by}
filter.$set.updated_on=new Date;
if(n.assigned_to!=""){filter.$set.assigned_to=n.assigned_to}
if(n.status_text!=""){filter.$set.status_text=n.status_text}
if(n.open==="false"){filter.$set.open=false}
console.log("filter"+JSON.stringify(filter))
return filter;
}
const checkResult = (want, reference) => {
// creating a new temp objecct OUTSIDE of the for loop
let temp = {}
// Array of the reference keys
const keys = Object.keys(reference)
// looping over keys in reference
for (let i = 0; i < keys.length; i++) {
// The current key
const key = keys[i]
// if the key is included in the 'want' list
if (key in want) {
// set a property in the temp object, but with a different value
temp[key] = 1
}
}
// when we are done, return the object
console.log(JSON.stringify(temp))
return temp
}
const Datas = require('../Models/datas');
module.exports = function (app) {
app.route('/api/issues/:project')
.get(function (req, res){
console.log(JSON.stringify(req.query))
if(Object.keys(req.query).length === 0){Datas.find().then((data,err)=>{
console.log("correct")
res.json(data)
})}
else {
let find={
"issue_title": 0,
"issue_text": 0,
"created_on":0,
"updated_on":0,
"created_by":0,
"assigned_to":0,
"open":0,
"status_text":0,
"__v":0
}
let afterFind=checkResult(find,req.query)
console.log("got here"+afterFind)
Datas.find(req.query).select(afterFind).exec()
.then((data,err)=>{
if(err){
res.send(err)
}
res.json(data)
}
)
}
})
.post(function (req, res){
let main=req.body;
console.log(main)
if(req.body.issue_title==""||req.body.issue_text==""||req.body.created_by==""){
res.json({ error: 'required field(s) missing' })
}
else {
const id1 = uuidv4()
let savedata=new Datas({
"_id":id1,
"issue_title":req.body.issue_title,
"issue_text":req.body.issue_text,
"created_on":new Date(),
"updated_on":new Date(),
"created_by":req.body.created_by,
"assigned_to":req.body.assigned_to,
"open":true,
"status_text":req.body.status_text
})
savedata.save((err,data)=>{
if(err){res.json({error:"error has been occurred"})}
else {
res.json({
"_id":id1,
"issue_title":req.body.issue_title,
"issue_text":req.body.issue_text,
"created_on":new Date(),
"updated_on":new Date(),
"created_by":req.body.created_by,
"assigned_to":req.body.assigned_to,
"open":true,
"status_text":req.body.status_text
})};
})
}
})
.put( function (req, res){
console.log(req.body)
let obj=req.body
if(!obj.hasOwnProperty(_id)){
res.json({ error: 'missing _id' })
}
else if(obj.issue_title==""||obj.issue_text==""||obj.created_by==""||obj.assigned_to==""||obj.status_text==""){
res.json({ error: 'no update field(s) sent', '_id': obj._id })
}
Datas.findOneAndUpdate({"_id":req.body._id}, Update(req.body),{new:true}).then((data,err)=>{
if(err){res.json({ error: 'could not update', '_id': obj._id })}
console.log(data)
res.json( { result: 'successfully updated', '_id': data._id })
})
})
.delete(function (req, res){
console.log(req.body)
let obj=req.body
if(!obj.hasOwnProperty("_id")){
res.json({ error: 'missing _id' })
}
Datas.findByIdAndRemove(req.body,(err,data)=>{
if(err){res.json({ error: 'could not delete', '_id': obj._id })}
res.json({ result: 'successfully deleted', '_id': obj._id })
})
});
};
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36.
Challenge: Issue Tracker
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