S2OJ/web/app/upgrade/3_parsedown/upgrade.php
Baoshuo f77f8a0a03
All checks were successful
continuous-integration/drone/push Build is passing
fix: bd5babfa29
2022-10-11 16:15:14 +08:00

116 lines
3.6 KiB
PHP

<?php
return function ($type) {
if ($type == 'up') {
DB::init();
$purifier = HTML::purifier();
$parsedown = new ParsedownMath([
'math' => [
'enabled' => true,
'matchSingleDollar' => true
]
]);
$blogs = DB::query("SELECT * from blogs");
while ($blog = DB::fetch($blogs)) {
$id = $blog['id'];
$type = $blog['type'];
$content_md = $blog['content_md'];
$content = '';
echo "Processing blog $id...\n";
if ($type == 'B') {
$dom = new DOMDocument;
$dom->loadHTML(mb_convert_encoding($parsedown->text($content_md), 'HTML-ENTITIES', 'UTF-8'));
$elements = $dom->getElementsByTagName('table');
foreach ($elements as $element) {
$element->setAttribute('class',
$element->getAttribute('class') . ' table table-bordered');
}
$content = $purifier->purify($dom->saveHTML());
if (preg_match('/^.*<!--.*readmore.*-->.*$/m', $content, $matches, PREG_OFFSET_CAPTURE)) {
$content_less = substr($content, 0, $matches[0][1]);
$content_more = substr($content, $matches[0][1] + strlen($matches[0][0]));
$content = $purifier->purify($content_less).'<!-- readmore -->'.$purifier->purify($content_more);
} else {
$content = $purifier->purify($content);
}
} elseif ($type == 'S') {
$content_array = yaml_parse($content_md);
if ($content_array === false || !is_array($content_array)) {
continue;
}
$marked = function($md) use ($parsedown, $purifier) {
$dom = new DOMDocument;
$dom->loadHTML(mb_convert_encoding($parsedown->text($md), 'HTML-ENTITIES', 'UTF-8'));
$elements = $dom->getElementsByTagName('li');
foreach ($elements as $element) {
$element->setAttribute('class',
$element->getAttribute('class') . ' fragment');
}
return $purifier->purify($dom->saveHTML());
};
$config = array();
foreach ($content_array as $slide_name => $slide_content) {
if (is_array($slide_content) && is_array($slide_content['config'])) {
foreach (array('theme') as $config_key) {
if (is_string($slide_content['config'][$config_key]) && strlen($slide_content['config'][$config_key]) <= 30) {
$config[$config_key] = $slide_content['config'][$config_key];
}
}
continue;
}
$content .= '<section>';
if (is_string($slide_content)) {
$content .= $marked($slide_content);
} elseif (is_array($slide_content)) {
if (is_array($slide_content['children'])) {
foreach ($slide_content['children'] as $cslide_name => $cslide_content) {
$content .= '<section>';
$content .= $marked($cslide_content);
$content .= '</section>';
}
}
}
$content .= "</section>\n";
}
$content = json_encode($config) . "\n" . $content;
}
DB::update("UPDATE blogs SET content = '" . DB::escape($content) . "' WHERE id = $id");
}
$problems_contents = DB::query("SELECT * from problems_contents");
while ($problem = DB::fetch($problems_contents)) {
$content_md = $problem['statement_md'];
$content = '';
echo "Processing problem {$problem['id']}...\n";
$dom = new DOMDocument;
$dom->loadHTML(mb_convert_encoding($parsedown->text($content_md), 'HTML-ENTITIES', 'UTF-8'));
$elements = $dom->getElementsByTagName('table');
foreach ($elements as $element) {
$element->setAttribute('class',
$element->getAttribute('class') . ' table table-bordered');
}
$content = $purifier->purify($dom->saveHTML());
DB::update("UPDATE problems_contents set statement = '" . DB::escape($content) . "' where id = {$problem['id']}");
}
} elseif ($type == 'down') {
//
}
};