64 lines
2.2 KiB
PHP
64 lines
2.2 KiB
PHP
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<?php
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namespace Misuzu\Comments;
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use Misuzu\DB;
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use Misuzu\Users\User;
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use Misuzu\Users\UserNotFoundException;
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class CommentsParser {
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private const MARKUP_USERNAME = '#\B(?:@{1}(' . User::NAME_REGEX . '))#u';
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private const MARKUP_USERID = '#\B(?:@{2}([0-9]+))#u';
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public static function parseForStorage(string $text): string {
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return preg_replace_callback(self::MARKUP_USERNAME, function ($matches) {
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try {
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return sprintf('@@%d', User::byUsername($matches[1])->getId());
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} catch(UserNotFoundException $ex) {
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return $matches[0];
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}
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}, $text);
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}
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public static function parseForDisplay(string $text): string {
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$text = htmlentities($text);
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$text = preg_replace_callback(
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'/(^|[\n ])([\w]*?)([\w]*?:\/\/[\w]+[^ \,\"\n\r\t<]*)/is',
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function ($matches) {
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$matches[0] = trim($matches[0]);
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$url = parse_url($matches[0]);
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if(empty($url['scheme']) || !in_array(mb_strtolower($url['scheme']), ['http', 'https'], true))
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return $matches[0];
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return sprintf(' <a href="%1$s" class="link" target="_blank" rel="noreferrer noopener">%1$s</a>', $matches[0]);
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},
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$text
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);
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$text = preg_replace_callback(self::MARKUP_USERID, function ($matches) {
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$getInfo = DB::prepare('
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SELECT
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u.`user_id`, u.`username`,
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COALESCE(u.`user_colour`, r.`role_colour`) as `user_colour`
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FROM `msz_users` as u
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LEFT JOIN `msz_roles` as r
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ON u.`display_role` = r.`role_id`
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WHERE `user_id` = :user_id
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');
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$getInfo->bind('user_id', $matches[1]);
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$info = $getInfo->fetch();
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if(empty($info))
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return $matches[0];
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return sprintf(
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'<a href="%s" class="comment__mention", style="%s">@%s</a>',
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url('user-profile', ['user' => $info['user_id']]),
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html_colour($info['user_colour']),
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$info['username']
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);
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}, $text);
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return nl2br($text);
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}
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}
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