106 lines
4.1 KiB
PHP
106 lines
4.1 KiB
PHP
<?php
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function echoUrl($url)
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{
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echo "<a href=\"$url\">$url</a>";
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}
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?>
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See <?php echoUrl('https://gitea.lemnoslife.com/Benjamin_Loison/YouTube_captions_search_engine'); ?> for more information.<br/>
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Access raw data with: <?php echoUrl('channels/'); ?>.<br/>
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Access found channels with: <?php echoUrl('channels.txt'); ?>.
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<form id="form">
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<input type="text" autofocus id="search" size="23" placeholder="Your search"></input><br/>
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<input type="text" autofocus id="path-search" size="23" placeholder="In path containing (default: *empty*)"></input><br/>
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<input type="submit" id="search" value="Search">
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<input type="submit" id="search-only-captions" value="Search only captions">
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</form>
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Progress: <span id="progress"></span> channels
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<ul id="channels">
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</ul>
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<script>
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var firstRun = true;
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var conn;
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// Could parse DOM instead of using following variable.
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var channels = [];
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function createA(text, href) {
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var a = document.createElement('a');
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var text = document.createTextNode(text);
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a.appendChild(text);
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a.href = href;
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return a;
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}
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function treatLine(line) {
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console.log(line);
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if (line.startsWith('progress:')) {
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document.getElementById('progress').innerHTML = line.replace('progress:', '');
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} else {
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var channelsDom = document.getElementById('channels');
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var timestamp = [];
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const lineParts = line.split('|');
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if (lineParts.length > 0) {
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timestamps = lineParts.slice(1).map(linePart => parseInt(linePart));
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line = lineParts[0];
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}
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const channelFileParts = line.split('/');
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const channel = channelFileParts[0];
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const channelFile = channelFileParts.slice(1).join('/');
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const channelHref = `channels/${channel}`;
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if (!channels.includes(channel)) {
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channels.push(channel);
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channelDom = document.createElement('li');
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var a = createA(channel, channelHref);
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channelDom.appendChild(a);
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var channelFilesDom = document.createElement('ul');
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channelDom.appendChild(channelFilesDom);
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channelsDom.appendChild(channelDom);
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}
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var channelDom = channelsDom.lastChild;
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var channelFilesDom = channelDom.lastChild;
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var channelFileDom = document.createElement('li');
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var a = createA(channelFile, `${channelHref}/${channelFile}`);
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channelFileDom.appendChild(a);
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const id = channelFileParts[2];
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for(var timestampsIndex = 0; timestampsIndex < timestamps.length; timestampsIndex++) {
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const space = document.createTextNode('\u00A0');
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channelFileDom.appendChild(space);
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const timestamp = timestamps[timestampsIndex];
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var a = createA(`${timestamp} s`, `https://www.youtube.com/watch?v=${id}&t=${timestamp}`);
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channelFileDom.appendChild(a);
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}
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channelFilesDom.appendChild(channelFileDom);
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}
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}
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function search(event) {
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// We don't want to refresh the webpage which is the default behavior.
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event.preventDefault();
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const query = event.submitter.id + ' ' + document.getElementById('path-search').value + ' ' + document.getElementById('search').value;
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if (firstRun) {
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firstRun = false;
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conn = new WebSocket('wss://crawler.yt.lemnoslife.com/websocket');
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conn.onmessage = function(e) {
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e.data.split('\n').forEach(treatLine);
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};
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// We can't directly proceed with `conn.send`, as the connection may not be already established.
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conn.onopen = function(e) { conn.send(query); };
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} else {
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// We assume at this point that the connection is established.
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channels = [];
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document.getElementById('channels').innerHTML = '';
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conn.send(query);
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}
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}
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var form = document.getElementById('form');
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form.addEventListener('submit', search);
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</script>
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