barcodebuddy/screen.php at master · Rexz34/barcodebuddy · GitHub

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<?php
/**
 * Barcode Buddy for Grocy
 *
 * PHP version 7
 *
 * LICENSE: This source file is subject to version 3.0 of the GNU General
 * Public License v3.0 that is attached to this project.
 *
 *  A screen to supervise barcode scanning.
 *
 * @author     Marc Ole Bulling
 * @copyright  2019 Marc Ole Bulling
 * @license    https://www.gnu.org/licenses/gpl-3.0.en.html  GNU GPL v3.0
 * @since      File available since Release 1.0
 */

require_once __DIR__ . "/incl/configProcessing.inc.php";
require_once __DIR__ . "/incl/config.inc.php";

$CONFIG->checkIfAuthenticated(true);

?>
<!DOCTYPE html>
<html>
  <head>


        <link rel="apple-touch-icon" sizes="57x57" href="./incl/img/favicon/apple-icon-57x57.png">
        <link rel="apple-touch-icon" sizes="60x60" href="./incl/img/favicon/apple-icon-60x60.png">
        <link rel="apple-touch-icon" sizes="72x72" href="./incl/img/favicon/apple-icon-72x72.png">
        <link rel="apple-touch-icon" sizes="76x76" href="./incl/img/favicon/apple-icon-76x76.png">
        <link rel="apple-touch-icon" sizes="114x114" href="./incl/img/favicon/apple-icon-114x114.png">
        <link rel="apple-touch-icon" sizes="120x120" href="./incl/img/favicon/apple-icon-120x120.png">
        <link rel="apple-touch-icon" sizes="144x144" href="./incl/img/favicon/apple-icon-144x144.png">
        <link rel="apple-touch-icon" sizes="152x152" href="./incl/img/favicon/apple-icon-152x152.png">
        <link rel="apple-touch-icon" sizes="180x180" href="./incl/img/favicon/apple-icon-180x180.png">
        <link rel="icon" type="image/png" sizes="192x192"  href="./incl/img/favicon/android-icon-192x192.png">
        <link rel="icon" type="image/png" sizes="32x32" href="./incl/img/favicon/favicon-32x32.png">
        <link rel="icon" type="image/png" sizes="96x96" href="./incl/img/favicon/favicon-96x96.png">
        <link rel="icon" type="image/png" sizes="16x16" href="./incl/img/favicon/favicon-16x16.png">
        <meta name="msapplication-TileImage" content="./incl/img/favicon/ms-icon-144x144.png">
        <meta name="msapplication-navbutton-color" content="#ccc">
        <meta name="msapplication-TileColor" content="#ccc">
        <meta name="apple-mobile-web-app-status-bar-style" content="#ccc">
        <meta name="theme-color" content="#ccc">


    <title>Barcode Buddy Screen</title>
    <style>
        body,
        html {
            padding: 0;
            margin: 0;
            position: relative;
            height: 100%
        }


        .main-container {
            height:100%;
            display:flex;
            display: -webkit-flex;
            flex-direction: column;
            -webkit-flex-direction: column;
            -webkit-align-content: stretch;
            align-content: stretch;
        }

        .header {
            width: 100%;
            background: #ccc;
            padding: 10px;
            box-sizing: border-box;
            text-transform: lowercase;
            flex: 0 1 auto;
        }

        .content {
            background: #eee;
            width: 100%;
            padding: 10px;
            flex: 1 0 auto;
            box-sizing: border-box;
            padding: 10px;
            text-align: center;
            align-content: center
        }

        .hdr-left {
            text-align: center;
            padding-left: 10px;
        }

        .hdr-right {
            float: right;
            width: 30%;
            text-align: right;
            padding-right: 10px
        }

        #soundbuttondiv {
            position: fixed;
            bottom: 10px;
            right: 10px;
        }

        .h1 {
            font: bold 4em arial;
            margin: auto;
            text-align: center;
        }

        .h2 {
            font: bold 3em arial;
            margin: auto;
            padding: 10px;
            text-align: center;
        }

        .h3 {
            font: bold 2em arial;
            margin: auto;
            padding: 10px;
            text-align: center;
        }

        .h4 {
            font: bold 1.5em arial;
            margin: auto;
            padding: 6px;
        }

        .h5 {
            font: bold 1em arial;
            margin: auto;
            text-align: center;
        }

        .sound {
            background-color: #31B0D5;
            color: white;
            padding: 1em 2em;
            border-radius: 4px;
            border-color: #46b8da;
        }

        #muteimg {
            height: 2em;
            width: 2em;
        }

        @media only screen and (orientation: portrait)  not (display-mode: fullscreen) {
            .sound {
                padding: 2em 4em;
            }
            #muteimg {
                height: 3em;
                width: 3em;
            }
        }
    </style>

  </head>
  <body>
  <script src="./incl/js/nosleep.min.js"></script>
  <script src="./incl/js/he.js"></script>

<div class="main-container">
  <div id="header" class="header">
    <span class="hdr-right h4">
      Status: <span id="grocy-sse">Connecting...</span><br>
    </span>
      <span id="mode" class="h1 hdr-left"></span>
  </div>
    <div id="content" class="content">
       <p id="scan-result" class="h2">If you see this for more than a couple of seconds, please check if the websocket server has been started and is available</p>
      <div id="log">
          <p id="event" class="h3"></p><br>
          <div id="previous-events">
          <p class="h4 p-t10"> previous scans: </p>
          <span id="log-entries" class="h5"></span>
        </div>
      </div>
  </div>
</div>

    <audio id="beep_success" muted="muted" src="incl/websocket/beep.ogg"  type="audio/ogg" preload="auto"></audio>
    <audio id="beep_nosuccess" muted="muted" src="incl/websocket/buzzer.ogg"  type="audio/ogg" preload="auto"></audio>
  <div id="soundbuttondiv">
    <button class="sound" onclick="toggleSound()" id="soundbutton"><img id="muteimg" src="incl/img/mute.svg" alt="Toggle sound and wakelock"></button>
  </div>

    <script>

      var noSleep          = new NoSleep();
      var wakeLockEnabled  = false;
      var isFirstStart     = true;

     function toggleSound() {
        if (!wakeLockEnabled) {
          noSleep.enable();
          wakeLockEnabled = true;
          document.getElementById('beep_success').muted=false;
          document.getElementById('beep_nosuccess').muted=false;
          <?php if (BBConfig::getInstance()["WS_FULLSCREEN"]) { echo " document.documentElement.requestFullscreen();"; }?>
          document.getElementById("muteimg").src = "incl/img/unmute.svg";
              } else {
                noSleep.disable();
          <?php if (BBConfig::getInstance()["WS_FULLSCREEN"]) { echo " document.exitFullscreen();"; } ?>
                wakeLockEnabled = false;
          document.getElementById('beep_success').muted=true;
          document.getElementById('beep_nosuccess').muted=true;
          document.getElementById("muteimg").src = "incl/img/mute.svg";
        }
      }

if(typeof(EventSource) !== "undefined") {
  var source = new EventSource("incl/sse/sse_data.php");

  var currentScanId = 0;
  var connectFailCounter = 0;

  source.addEventListener("error", function(event) {
    switch (event.target.readyState) {
      case EventSource.CONNECTING:
        document.getElementById('grocy-sse').textContent = 'Reconnecting...';
        // console.log('Reconnecting...');
        connectFailCounter ++
          if (connectFailCounter == 500) {
            source.close();
            document.getElementById('grocy-sse').textContent = 'Unavailable';
            document.getElementById('scan-result').textContent = 'Sorry, the server is offline';
          }
        break;
      case EventSource.CLOSED:
        console.log('Connection failed (CLOSED)');
        break;
    }
  }, false);

  async function resetScan(scanId) {
    await sleep(3000);
    if (currentScanId == scanId) {
      document.getElementById('content').style.backgroundColor = '#eee';
      document.getElementById('scan-result').textContent = 'waiting for barcode...';
      document.getElementById('event').textContent = '';
    }
  };

  function sleep(ms) {
      return new Promise(resolve => setTimeout(resolve, ms));
  };

  function resultScan(color, message, text, sound) {
    document.getElementById('content').style.backgroundColor = color;
    document.getElementById('event').textContent = message;
    document.getElementById('scan-result').textContent = text;
    document.getElementById(sound).play();
    document.getElementById('log-entries').innerText = '\r\n' + text + document.getElementById('log-entries').innerText;
    currentScanId++;
    resetScan(currentScanId);

  };

  source.onopen = function() {
    document.getElementById('grocy-sse').textContent = 'Connected';
    if (isFirstStart) {
      isFirstStart=false;
      document.getElementById('scan-result').textContent = 'waiting for barcode...';
      var http = new XMLHttpRequest();
      http.open("GET", "incl/sse/sse_data.php?getState");
      http.send();
    }
  };

  source.onmessage = function(event) {
       var resultJson = JSON.parse(event.data);
            var resultCode = resultJson.data.substring(0, 1);
            var resultText = resultJson.data.substring(1);
      switch(resultCode) {
        case '0':
        resultScan("#33a532", "", he.decode(resultText), "beep_success");
          break;
        case '1':
        resultScan("#a2ff9b", "Barcode Looked Up", he.decode(resultText), "beep_success");
          break;
        case '2':
        resultScan("#eaff8a", "Unknown Barcode", resultText, "beep_nosuccess");
          break;
        case '4':
        document.getElementById('mode').textContent = resultText;
          break;
        case 'E':
          document.getElementById('content').style.backgroundColor = '#CC0605';
          document.getElementById('grocy-sse').textContent = 'disconnected';
          document.getElementById('scan-result').style.display = 'none'
          document.getElementById('previous-events').style.display = 'none'
          document.getElementById('event').setAttribute('style', 'white-space: pre;');
          document.getElementById('event').textContent = "\r\n\r\n"+resultText;
          break;
      }
  };
} else {
        document.getElementById('content').style.backgroundColor = '#f9868b';
        document.getElementById('grocy-sse').textContent = 'Disconnected';
        document.getElementById('event').textContent = 'Sorry, your browser does not support server-sent events';
}
    </script>

  </body>
</html>