server.js

//Packages
const bodyParser = require("body-parser");
const express = require("express");
const cors = require("cors");

//Instantiating the app
const app = express();

/* Middleware*/
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(cors());

// Initialize the main project folder
app.use(express.static("src"));

// Setup Server
const port = 3000;
app.listen(port, listening);

function listening() {
  console.log(`Your app is running on: http://localhost:${port}...`);
}

// Project data
const projectData = { history: [] };

//Get project data
app.get("/weather-history", getWeatherHistory);

function getWeatherHistory(req, res) {
  return res.send(projectData.history);
}

//Get entry
app.get("/weather-reading/:id", getWeatherReading);

function getWeatherReading(req, res) {
  const id = +req.params.id;
  const reading = projectData.history.find((reading) => reading.id == id);

  if (!reading) {
    return res.status(404).send(`No reading with ${id} were found!`);
  }

  return res.send(reading);
}

//Post route to add new weather entry to the project data
app.post("/add-weather", postWeatherData);

function postWeatherData(req, res) {
  const data = req.body;
  const newEntry = {
    id: projectData.history.length + 1,
    zipCode: data.zipCode,
    countryCode: data.countryCode,
    feelings: data.feelings,
    city: data.city,
    date: data.date,
    weather: data.weather,
  };

  projectData.history.push(newEntry);

  return res.send(JSON.stringify(newEntry));
}