add data export (CSV files) (#3537)

* Update backup.html

* Add files via upload

* Update data_export.html

---------

Co-authored-by: CaCO3 <caco3@ruinelli.ch>
This commit is contained in:
SybexX
2025-02-23 17:38:32 +01:00
committed by GitHub
parent 04fe25e875
commit 7a9955477a
3 changed files with 430 additions and 222 deletions

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@@ -0,0 +1,207 @@
<!DOCTYPE html>
<html lang="en" xml:lang="en">
<head>
<title>Data Export (CSV)</title>
<meta charset="UTF-8"/>
<style>
h1 {font-size: 2em;}
h2 {font-size: 1.5em; margin-block-start: 0.0em; margin-block-end: 0.2em;}
h3 {font-size: 1.2em;}
p {font-size: 1em;}
input[type=number] {
width: 138px;
padding: 10px 5px;
display: inline-block;
border: 1px solid #ccc;
font-size: 16px;
}
.button {
padding: 5px 10px;
width: 300px;
font-size: 16px;
}
</style>
</head>
<body style="font-family: arial; padding: 0px 10px;">
<h2>Data Export(CSV)</h2>
<p>With the following action the <a href="/fileserver/log/data/" target="_self">data</a> folder on the SD-card gets zipped and provided as a download.</p>
<button class="button" id="startExportData" type="button" onclick="startExportData()">Export Data</button>
<p></p>
<hr>
<p id=progress></p>
<script type="text/javascript" src="common.js?v=$COMMIT_HASH"></script>
<script type="text/javascript" src="jszip.min.js?v=$COMMIT_HASH"></script>
<script type="text/javascript" src="FileSaver.min.js?v=$COMMIT_HASH"></script>
<script type="text/javascript">
function startExportData() {
document.getElementById("progress").innerHTML = "Creating Export Data...<br>\n";
// Get hostname
try {
var xhttp = new XMLHttpRequest();
xhttp.open("GET", getDomainname() + "/info?type=Hostname", false);
xhttp.send();
hostname = xhttp.responseText;
}
catch(err) {
setStatus("<span style=\"color: red\">Failed to fetch hostname: " + err.message + "!</span>");
return;
}
// get date/time
var dateTime = new Date().toJSON().slice(0,10) + "_" + new Date().toJSON().slice(11,19).replaceAll(":", "-");
zipFilename = hostname + "_" + dateTime + "_csv" + ".zip";
console.log(zipFilename);
// Get files list
setStatus("Fetching File List...");
try {
var xhttp = new XMLHttpRequest();
xhttp.open("GET", getDomainname() + "/fileserver/log/data/", false);
xhttp.send();
var parser = new DOMParser();
var content = parser.parseFromString(xhttp.responseText, 'text/html');
}
catch(err) {
setStatus("Failed to fetch files list: " + err.message);
return;
}
const list = content.querySelectorAll("a");
var urls = [];
for (a of list) {
url = a.getAttribute("href");
urls.push(getDomainname() + url);
}
// Pack as zip and download
try {
startExportZip(urls, zipFilename);
}
catch(err) {
setStatus("<span style=\"color: red\">Failed to zip files: " + err.message + "!</span>");
return;
}
}
function fetchFiles(urls, filesData, index, retry, zipFilename) {
url = urls[index];
if (retry == 0) {
setStatus("&nbsp;- " + getFilenameFromUrl(urls[index]) + " (" + (index+1) + "/" + urls.length + ")...");
}
else {
setStatus("<span style=\"color: gray\">&nbsp;&nbsp;&nbsp;Retrying (" + retry + ")...</span>");
}
const xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = "blob";
if (retry == 0) { // Short timeout on first retry
xhr.timeout = 2000; // time in milliseconds
}
else if (retry == 1) { // longer timeout
xhr.timeout = 5000;
}
else if (retry == 2) { // longer timeout
xhr.timeout = 10000;
}
else if (retry == 3) { // longer timeout
xhr.timeout = 20000;
}
else { // very long timeout
xhr.timeout = 30000;
}
xhr.onload = () => { // Request finished
//console.log(url + " done");
filesData[index] = xhr.response;
if (index == urls.length - 1) {
setStatus("Fetched all files");
generateZipFile(urls, filesData, zipFilename);
return;
}
else { // Next file
fetchFiles(urls, filesData, index+1, 0, zipFilename);
}
};
xhr.onprogress = (e) => { // XMLHttpRequest progress ... extend timeout
xhr.timeout = xhr.timeout + 500;
};
xhr.onerror = (e) => { // XMLHttpRequest error loading
console.log("Error on fetching " + url + "!");
if (retry > 5) {
setStatus("<span style=\"color: red\">Data Export failed, please restart the device and try again!</span>");
}
else {
fetchFiles(urls, filesData, index, retry+1, zipFilename);
}
};
xhr.ontimeout = (e) => { // XMLHttpRequest timed out
console.log("Timeout on fetching " + url + "!");
if (retry > 5) {
setStatus("<span style=\"color: red\">Data Export failed, please restart the device and try again!</span>");
}
else {
fetchFiles(urls, filesData, index, retry+1, zipFilename);
}
};
xhr.send(null);
}
function generateZipFile(urls, filesData, zipFilename) {
setStatus("Creating Zip File...");
var zip = new JSZip();
for (var i = 0; i < urls.length; i++) {
zip.file(getFilenameFromUrl(urls[i]), filesData[i]);
}
zip.generateAsync({type:"blob"})
.then(function(content) {
saveAs(content, zipFilename);
});
setStatus("Data Export completed");
}
const startExportZip = (urls, zipFilename) => {
if(!urls) { return; }
console.log(urls);
urlIndex = 0;
setStatus("Fetching files...");
fetchFiles(urls, [], 0, 0, zipFilename);
};
function setStatus(status) {
console.log(status);
document.getElementById("progress").innerHTML += status + "<br>\n";
}
function getFilenameFromUrl(url) {
return filename = url.substring(url.lastIndexOf('/')+1);
}
</script>
</body>
</html>

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@@ -142,6 +142,7 @@
<li><a href="#" onclick="loadPage('graph.html?v=$COMMIT_HASH');">Data Graph</a></li>
<li><a href="#" onclick="loadPage('data.html?v=$COMMIT_HASH');">Data Table</a></li>
<li><a href="#" onclick="loadPage(getDomainname() + '/fileserver/log/data/');">Data Files</a></li>
<li><a href="#" onclick="loadPage('data_export.html?v=$COMMIT_HASH');">Data Export</a></li>
</ul>
</li>