Sending Emails at Specific Time/Date with NodeJS from values in React App-CodePudding

My current ReactJS application enables users to be able to submit time, date and text values, which is posted to a NodeJS backend.

Here is my current NodeJS code:

app.post("/send", function (req, res) {
 let mailOptions = {
   from: `${req.body.vals.email}`,
   to: process.env.EMAIL,
   subject: 'SUBJECT INFO',
   html: `${req.body.vals.date} ${req.body.vals.time} ${req.body.vals.info}`,
 };


 transporter.sendMail(mailOptions, function (err, data) {
   if (err) {
     res.json({
       status: "fail",
     });
   } else {
     console.log("email sent");
     res.json({
       status: "success",
     });
   }
 });
});

I want to be be able to schedule the emails to be sent at the given values of time and date from the front-end ReactJS.

I have tried to use node-schedule but the whole date/time threw me off.

Edit:

This is the current date and time format that comes back.

date: 2022-08-28 time: 14:07

[edit: current solution not working]

app.post("/send", function (req, res) {
 let mailOptions = {
   from: `${req.body.vals.email}`,
   to: process.env.EMAIL,
   subject: 'SUBJECT INFO',
   html: `${req.body.vals.date} ${req.body.vals.time} ${req.body.vals.info}`,
 };

 const dateParsed = new Date(`${req.body.vals.date}T${req.body.vals.time}Z`)

schedule.scheduleJob(dateParsed, function(){
  transporter.sendMail(mailOptions, function (err, data) {
    if (err) {
      res.json({
        status: "fail",
      });
    } else {
      console.log("email sent");
      res.json({
        status: "success",
      });
      
    }
  });
 })


});

CodePudding user response：

I don't understand the problem with node-schedule

The API allows you to use date object instead of cron

const schedule = require('node-schedule');
const date = new Date(2012, 11, 21, 5, 30, 0);

const job = schedule.scheduleJob(date, function(){
  console.log('The world is going to end today.');
});

Dates

Easiest way I can think of:

const date = '2022-08-28'
const time = '14:07'

console.log(new Date(`${date}T${time}Z`))

But I'm not sure if it's best

Also, it will always give UTC time instead of local

Usually, dates are sent from the frontend as ISO already.

CodePudding user response：

This above solution works. The only issue is BST.