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record.html
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record.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>CriticalSnake Recorder</title>
<link rel="stylesheet" href="3rd-party/newcss11/new.min.css">
<style>
body {
margin: 0;
padding: 0;
max-width: initial;
font-family: sans-serif;
font-size: 1rem;
}
div.panel {
background: #eee;
padding: 0 5px;
}
div.panel * {
margin: 5px 0 5px 5px;
display: inline-block;
}
div.panel #intervalField {
width: 5rem;
}
div.panel #urlField {
width: 15rem;
}
pre {
font-size: 0.5rem;
border-radius: 0;
padding: 5px;
display: none;
}
</style>
</head>
<body>
<div class="panel">
<input type="button" value="Record" id="nextButton">
<div>
<label for="intervalField">Interval (sec):</label>
<input type="number" id="intervalField" value="30" min="10" max="300">
</div>
<div>
<label for="urlField">Source:</label>
<input type="text" id="urlField" value="https://api.criticalmaps.net/postv2">
</div>
</div>
<pre></pre>
<script src="3rd-party/jquery35/jquery-3.5.1.min.js"></script>
<script src="3rd-party/filesaver20/FileSaver.min.js"></script>
<script src="3rd-party/lzstring14/lz-string.min.js"></script>
<script>
const panel = {
nextButton: $("#nextButton"),
intervalField: $("#intervalField"),
urlField: $("#urlField"),
output: $("pre"),
};
$(document).ready(function() {
panel.nextButton.click(() => {
switch (panel.nextButton.val()) {
case "Record":
panel.output.show();
panel.nextButton.val("Finish");
panel.intervalField.prop("disabled", true);
panel.intervalField.css("color", "#888");
panel.urlField.prop("disabled", true);
panel.urlField.css("color", "#888");
startRecording(panel.intervalField.val(), panel.urlField.val());
break;
case "Finish":
panel.nextButton.val("Download");
const formattedOutput = finishRecording(panel.output.text());
panel.output.text(formattedOutput);
break;
case "Download":
downloadRecording(panel.output.text());
break;
}
});
panel.intervalField.change(() => {
console.log("intervalField", panel.intervalField.val());
});
panel.urlField.change(() => { // doesn't work
console.log("urlField", panel.urlField.val());
});
});
function formatDate(timestamp) {
const d = timestamp ? new Date(timestamp * 1000) : new Date();
const pad2 = (val) => (val < 10 ? "0" : "") + val;
return `${d.getFullYear()}-${pad2(d.getMonth() + 1)}-${pad2(d.getDate())}`;
};
function formatTime(timestamp) {
const d = timestamp ? new Date(timestamp * 1000) : new Date();
const pad2 = (val) => (val < 10 ? "0" : "") + val;
return `${pad2(d.getHours())}-${pad2(d.getMinutes())}-${pad2(d.getSeconds())}`
};
function print(txt) {
panel.output.append(txt);
}
function verifyResponse(url, data) {
if (!data) {
console.error("Error querying data from ${url}");
return false;
}
if (!data["locations"] || data["locations"] === {}) {
console.warn("No locations in response data");
return false;
}
return true;
}
function fetchData(url) {
$.getJSON(url, data => {
if (verifyResponse(url, data)) {
print(`"${formatDate()}_${formatTime()}":{`);
let goddamntrailingcomma = "";
for (const hash in data.locations) {
print(`${goddamntrailingcomma}"${hash}":{` +
`"timestamp":${data.locations[hash].timestamp},` +
`"latitude":${data.locations[hash].latitude},` +
`"longitude":${data.locations[hash].longitude}` +
`}`);
goddamntrailingcomma = ",";
}
print('},\n');
}
});
}
let fetchTimer = null;
function startRecording(interval, url) {
fetchData(url);
const millis = Math.max(10000, parseInt(interval));
fetchTimer = setInterval(() => fetchData(url), millis);
}
function finishRecording(rawOutput) {
clearInterval(fetchTimer);
const json = JSON.parse("{" + rawOutput.slice(0, -2) + "}");
return JSON.stringify(json, null, 2);
}
function downloadRecording(json) {
const kilobyte = (str) => Math.round((str.length * 2) / 1024);
console.log(json);
const text = JSON.stringify(json);
console.log("Raw size is:", kilobyte(text), "KB");
const compressed = LZString.compressToUTF16(text);
console.log("Compressed size is:", kilobyte(compressed), "KB");
const filename = `${formatDate()}_${formatTime()}.recording`;
const blob = new Blob([compressed], {type: "text/plain;charset=utf-16"});
saveAs(blob, filename);
}
</script>
</body>
</html>