CalHacks-Node-Server-Crud-Template

crud-server.js

/*
  REMEMBER:
  1. Restart server when you write new Logic changes.
  2. Run server with "node <name of file>.js"
  3. Add npm packages with "yarn add <package name>"  (Make sure Yarn is globally installed)
*/

const express = require('express');
const fs = require('fs');
const morgan = require('morgan');
const bodyParser = require('body-parser');
const app = express();
const http = require('http').Server(app);

app.use(express.static(__dirname));
app.use(morgan('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

app.get('/', (req, res) => {
  fs.readFile('mock-db.txt', 'utf-8', (err, data) => {
    if (err) res.status(400).send(err);
    else res.send(JSON.parse(data));
  });
});
app.post('/', (req, res) => {

  fs.writeFile('mock-db.txt', JSON.stringify(req.body), () => {
    res.send('Saved Info.');
  })
});
app.put('/', (req, res) => {
  const { firstName, lastName } = req.body;

  fs.readFile('mock-db.txt', 'utf-8', (err, data) => {
    if (err) res.status(400).send(err);
    else {
      const dbData = JSON.parse(data);
      let newName = Object.values(dbData).filter((value) => value === firstName);
      newName += ' ' + lastName;
      dbData.name = newName;

      console.log('dbData: ', dbData);
      fs.writeFile('mock-db.txt', JSON.stringify(dbData), (err) => {
        if (err) res.status(400).send(err);
        else res.status(200).send('Updated data');
      });
    }
  })
});
app.delete('/', (req, res) => {
  const { fullName } = req.body;
  fs.readFile('mock-db.txt', 'utf-8', (err, data) => {
    if (err) res.status(400).send(err);
    else {
      let dbData = JSON.parse(data);
      let cleanData = {};
      Object.values(dbData).filter((value) => value !== fullName).forEach((fullName) => {
        cleanData = {
          ...cleanData,
          name: fullName,
        };
      });

      fs.writeFile('mock-db.txt', JSON.stringify(cleanData), (err) => {
        if (err) res.status(400).send(err);
        else res.status(200).send('Removed Person');
      });
    }
  });
});

app.get('*', (req, res) => {
  console.log('Not found');
});

http.listen(3000, () => {
  console.log('Listening on 3000');
});

THANKS! YOU ARE THE BEST!