server.js

const express = require("express");
const mongoose = require("mongoose");
const cors = require("cors");
require("dotenv").config();

const app = express();

app.use(express.json());
app.use(cors());

mongoose
  .connect(process.env.MONGO_URI, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => console.log("Connected to MongoDB"))
  .catch(console.error);

// Models
const Todo = require("./models/Todo");

app.get("/todos", async (req, res) => {
  const todos = await Todo.find();

  res.json(todos);
});

app.post("/todo/new", (req, res) => {
  const todo = new Todo({
    text: req.body.text,
  });

  todo.save();

  res.json(todo);
});

app.delete("/todo/delete/:id", async (req, res) => {
  const result = await Todo.findByIdAndDelete(req.params.id);

  res.json({ result });
});

app.get("/todo/complete/:id", async (req, res) => {
  const todo = await Todo.findById(req.params.id);

  todo.complete = !todo.complete;

  todo.save();

  res.json(todo);
});

app.put("/todo/update/:id", async (req, res) => {
  const todo = await Todo.findById(req.params.id);

  todo.text = req.body.text;

  todo.save();

  res.json(todo);
});

PORT = process.env.PORT || 3001;

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