ordering_session_backend/index.html at main · AltSchool-Nodejs/ordering_session_backend · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Customer</title>
    <style>
      body { margin: 0; padding-bottom: 3rem; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
      #order_section {  display: grid; justify-items: center; align-items: center; margin-top: 100px; cursor: pointer; }
      #order_button { align-self: center; width: 50%; height: 100px; font-size: large; }
      #order_message { align-self: center; width: 50%; height: 100px; font-size: large; margin: 50px; }

    </style>

  </head>
  <body>
    <div id="order_section">
        <button id="order_button">Order</button>
        <div id="order_message"></div>
    </div>
    <script src="https://cdn.socket.io/4.5.4/socket.io.min.js"></script>
    <script>
      const socket = io('ws://localhost:3000');

      socket.on('connected', function(msg) {
        console.log('Customer connected')
      });

    const orderButton = document.getElementById('order_button');

    orderButton.addEventListener('click', function(e) {
        socket.emit('order_requested', {
          id: Math.round(Math.random() * 10000),
          item: 'Pizza'
        })
      });

      const appendEvent = (message) => {
        const orderMessageElement = document.getElementById('order_message');
        const p = document.createElement('p');
        p.textContent = `${message}`
        orderMessageElement.append(p)
      }

      socket.on('processing_order', function(data) {
        console.log('server_says', data)
        const { message } = data;
        appendEvent(message);
      });

      socket.on('order_accepted', function(data) {
        console.log('server_says', data)
        const { message } = data;
        appendEvent(message);
      });

      socket.on('order_rejected', function(data) {
        console.log('server_says', data)
        const { message } = data;
        appendEvent(message);
      });


    </script>
  </body>
</html>