78 lines
2.4 KiB
PHP
78 lines
2.4 KiB
PHP
<?php
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namespace App\Twig;
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use App\Service\Secret;
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use Twig\Extension\AbstractExtension;
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use Twig\TwigFilter;
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class AppExtension extends AbstractExtension
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{
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public function getFilters()
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{
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return [
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new TwigFilter('interval', [$this, 'parseInterval']),
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new TwigFilter('parsetags', [$this, 'parseTags']),
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new TwigFilter('decryptsecret', [$this, 'decryptSecret']),
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];
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}
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function parseInterval(int|float $time) {
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$return = '';
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$days = floor($time / (60 * 60 * 24));
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$time -= $days * (60 * 60 * 24);
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$return .= ($days != 0 || !empty($return)) ? "{$days}d " : '';
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$hours = floor($time / (60 * 60));
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$time -= $hours * (60 * 60);
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$return .= ($hours != 0 || !empty($return)) ? "{$hours}h " : '';
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$minutes = floor($time / 60);
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$time -= $minutes * 60;
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$return .= ($minutes != 0 || !empty($return)) ? "{$minutes}m " : '';
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$time = round($time, 3);
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$return .= ($time != 0 || !empty($return)) ? "{$time}s " : '';
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return (!empty($return)) ? trim($return) : '0.000s';
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}
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function parseTags(string $text) {
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$results = [];
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preg_match_all('/\[([A-Za-z0-9 \-]+)\]/', $text, $results);
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foreach ($results[0] as $key=>$result) {
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$background = substr(md5($results[0][$key]), 0, 6);
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$color = $this->lightOrDark($background) == 'dark' ? 'ffffff' : '000000';
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$text = str_replace($results[0][$key], '<span class="tag" data-background-color="#' . $background . '" data-color="#' . $color . '">' . $results[1][$key] . '</span>', $text);
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}
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return $text;
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}
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private function lightOrDark ($color) {
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$color = str_split($color, 2);
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foreach($color as &$value) {
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$value = hexdec($value);
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}
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// HSP (Highly Sensitive Poo) equation from http://alienryderflex.com/hsp.html
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$hsp = sqrt(
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0.299 * ($color[0] * $color[0]) +
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0.587 * ($color[1] * $color[1]) +
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0.114 * ($color[2] * $color[2])
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);
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// Using the HSP value, determine whether the color is light or dark
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if ($hsp>140) {
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return 'light';
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} else {
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return 'dark';
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}
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}
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function decryptSecret(string $text) {
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return Secret::decrypt(base64_decode($text));
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}
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}
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