indexWorldPop

.js

const express = require("express");
const app = express();
const PORT = 3002;
app.use(express.json());
require("dotenv").config;
const connection = require("./conf");
app.use(
  express.urlencoded({
    extented: true,
  })
);

app.get("/api/populations", (req, res) => {
  connection.query(`SELECT * FROM population_years `, (err, results) => {
    if (err) throw err;
    res.send(results);
  });
});

app.get("/api/populations/:country", (req, res) => {
  const country = req.params.country;
  connection.query(
    `SELECT * FROM population_years WHERE country = ?`,
    country,
    (err, results) => {
      if (err) throw err;
      res.send(results);
    }
  );
});

app.post("/api/populations", (req, res) => {
  const formData = req.body;
  const { country, population, year } = req.body;
  connection.query(
    `INSERT INTO population_years (country, population,year) VALUES(?, ? , ?) `,
    [country, population, year],
    (err, results) => {
      if (err) throw err;
      res.send(results);
    }
  );
});

app.delete("/api/populations/:country", (req, res) => {
  const country = req.params.country;
  connection.query(
    `DELETE FROM population_years WHERE country = ?`,
    country,
    (err, results) => {
      if (err) throw err;
      res.send("Country deleted from the list");
    }
  );
});

app.put("/api/populations/:country", (req, res) => {
  const formData = req.body;
  const country = req.params.country;
  connection.query(
    `UPDATE population_years SET ? WHERE country = ?`,
    [formData, country],
    (err, results) => {
      if (err) throw err;
      res.send(results);
    }
  );
});

app.listen(PORT, () => console.log(`Server running on port ${PORT}`));