235 lines
9.6 KiB
HTML
235 lines
9.6 KiB
HTML
{% extends "base.html" %}
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{% load static %}
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{% block additional_css %}
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<link rel="preload" as="style" onload="this.rel='stylesheet';this.onload=null" href="https://unpkg.com/normalize.css@8.0.0/normalize.css">
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<link rel="preload" as="style" onload="this.rel='stylesheet';this.onload=null" href="https://unpkg.com/milligram@1.3.0/dist/milligram.min.css">
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{% endblock %}
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{% block title %}Smartphone Scanner{% endblock %}
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{% block content %}
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<div class="container" >
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<div class="row-mb8" id="video-button-content">
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<a class="button" id="startButton">Start</a>
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<a class="button-outline" id="resetButton">Reset</a>
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</div>
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<div class="row" id="video-content">
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<div class="col-6">
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<video id="video" width="450" height="320" style="border: 1px solid gray"></video>
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</div>
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<div class="col-2" id="sourceSelectPanel" style="display:none">
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<label for="sourceSelect">Change video source:</label>
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<select id="sourceSelect" style="max-width:400px">
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</select>
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</div>
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<div class="col-2">
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<label>Result:</label>
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<pre><code id="result"></code></pre>
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</div>
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</div>
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</div>
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<script type="text/javascript" src="https://unpkg.com/@zxing/library@latest"></script>
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<script type="text/javascript">
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function beep() {
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var audio = new Audio("{% static 'sound/beep.mp3' %}");
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audio.volume = 0.1
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console.log("Audio play {% static 'sound/beep.mp3' %}")
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audio.play();
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}
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window.addEventListener('load', function () {
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let selectedDeviceId;
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let lastScanResult = '';
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// const codeReader = new ZXing.BrowserBarcodeReader()
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const codeReader = new ZXing.BrowserMultiFormatReader()
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console.log('ZXing code reader initialized')
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codeReader.getVideoInputDevices()
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.then((videoInputDevices) => {
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const sourceSelect = document.getElementById('sourceSelect')
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selectedDeviceId = videoInputDevices[0].deviceId
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if (videoInputDevices.length > 1) {
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videoInputDevices.forEach((element) => {
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const sourceOption = document.createElement('option')
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sourceOption.text = element.label
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sourceOption.value = element.deviceId
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sourceSelect.appendChild(sourceOption)
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})
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sourceSelect.onchange = () => {
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selectedDeviceId = sourceSelect.value;
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}
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const sourceSelectPanel = document.getElementById('sourceSelectPanel')
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sourceSelectPanel.style.display = 'block'
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}
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document.getElementById('startButton').addEventListener('click', () => {
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beep()
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codeReader.decodeFromInputVideoDeviceContinuously(selectedDeviceId, 'video', (result) => {
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if (result && lastScanResult !== result.text) {
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lastScanResult = result.text
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console.log('Got scan (cont.): ' + result)
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document.getElementById('result').textContent = result.text
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beep()
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useScannedText(result.text)
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} else if (result) {
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console.log('... scan again')
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}
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});
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/*
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codeReader.decodeOnceFromVideoDevice(selectedDeviceId, 'video').then((result) => {
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if (lastScanResult !== result.text) {
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lastScanResult = result.text
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console.log('Got scan: ' + result.text)
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document.getElementById('result').textContent = result.text
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useScannedText(result.text)
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} else {
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console.log('... scan again')
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}
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}).catch((err) => {
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console.error(err)
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document.getElementById('result').textContent = err
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})
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*/
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console.log(`Started continous decode from camera with id ${selectedDeviceId}`)
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})
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document.getElementById('resetButton').addEventListener('click', () => {
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document.getElementById('result').textContent = '';
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codeReader.reset();
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console.log('Reset.')
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})
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})
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.catch((err) => {
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console.error(err)
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})
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})
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</script>
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<hr />
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<div class="row mb-3">
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<div class="col-8">
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<div class="input-group">
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<input class="form-control" type="text" maxlength="40" id="container_id" placeholder="Container ID">
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<input class="form-control" type="text" maxlength="40" id="asset_id" placeholder="Asset ID">
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</div>
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</div>
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<div class="col-2">
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<div class="input-group">
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<input class="btn btn-primary" id="book-in-button" type="button" value="+Book">
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<input class="btn btn-primary" id="book-out-button" type="button" value="-Book">
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</div>
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</div>
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<div class="col-8">
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<div class="input-group">
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<textarea class="form-control" readonly="readonly" rows="4" id="container_details"></textarea>
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<textarea class="form-control" readonly="readonly" rows="4" id="asset_details"></textarea>
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</div>
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</div>
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</div>
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<div class="row">
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<div class="input-group">
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<textarea class="form-control mb-2" id="chat-log" cols="100" rows="10"></textarea>
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<input class="btn btn-secondary" id="clear-chat-area" type="button" value="Clear">
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</div>
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</div>
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<script>
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var containerIsValid = false;
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var assetIsValid = false;
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async function getContainerInfo(containerId) {
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document.querySelector('#container_id').value = containerId;
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url = '/api/containers?named_id=' + containerId;
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document.querySelector('#container_details').value = 'Trying ' + url;
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const response = await fetch(url);
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const container = await response.json();
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if (container.count >= 1) {
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document.querySelector('#container_details').value = container.results[0].description;
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containerIsValid = true;
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} else {
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document.querySelector('#container_details').value = document.querySelector('#container_details').value + "\nERROR: No result\n";
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console.log(response);
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containerIsValid = false;
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}
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}
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async function getAssetInfo(assetId) {
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document.querySelector('#asset_id').value = assetId;
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url = '/api/assets?named_id=' + assetId;
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document.querySelector('#asset_details').value = 'Trying ' + url;
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const response = await fetch(url);
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const asset = await response.json();
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if (asset.count >= 1) {
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document.querySelector('#asset_details').value = asset.results[0].description;
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assetIsValid = true;
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} else {
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document.querySelector('#asset_details').value = document.querySelector('#asset_details').value + "\nERROR: No result\n";
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console.log(response);
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assetIsValid = false;
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}
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}
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function useScannedText(msg) {
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// const data = JSON.parse(e.data);
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// msg = String(data.message);
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document.querySelector('#chat-log').value += (msg + '\n');
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if (msg.startsWith('C-')) {
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getContainerInfo(data.message);
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// document.querySelector('#container_id').value = msg;
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} else if (msg.startsWith('A-')) {
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getAssetInfo(data.message);
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// document.querySelector('#asset_id').value = msg;
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} else {
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assetId = 'A-' + msg;
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document.querySelector('#asset_id').value = assetId;
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getAssetInfo(assetId);
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}
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};
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document.querySelector('#clear-chat-area').onclick = function(e) {
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document.querySelector('#chat-log').value = "cleared\n";
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}
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document.querySelector('#book-in-button').onclick = function(e) {
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if (!containerIsValid) {
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msg = 'Cannot book-in as container is invalid';
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console.log(msg);
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document.querySelector('#chat-log').value += ('ERROR: ' + msg + '\n');
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return;
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}
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if (!assetIsValid) {
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msg = 'Cannot book-in as asset is invalid';
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console.log(msg);
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document.querySelector('#chat-log').value += ('ERROR: ' + msg + '\n');
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return;
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}
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}
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document.querySelector('#book-out-button').onclick = function(e) {
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if (!containerIsValid) {
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msg = 'Cannot book-out as container is invalid';
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console.log(msg);
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document.querySelector('#chat-log').value += ('ERROR: ' + msg + '\n');
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return;
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}
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if (!assetIsValid) {
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msg = 'Cannot book-out as asset is invalid';
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console.log(msg);
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document.querySelector('#chat-log').value += ('ERROR: ' + msg + '\n');
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return;
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}
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}
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</script>
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{% endblock %}
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