setLogicalTag(self::TAG);
}
$max = $tagAttributes->getValue(RelatedTag::MAX_LINKS_CONF);
if ($max === NULL) {
$max = SiteConfig::getConfValue(RelatedTag::MAX_LINKS_CONF, RelatedTag::MAX_LINKS_CONF_DEFAULT);
}
$tagAttributes->addClassName("d-print-none");
$html = $tagAttributes->toHtmlEnterTag("div");
$relatedPages = self::getRelatedPagesOrderedByBacklinkCount($page, $max);
if (empty($relatedPages)) {
$html .= "Plugin " . PluginUtility::PLUGIN_BASE_NAME . " - Component " . syntax_plugin_combo_related::getTag() . ": " . $lang['nothingfound'] . "";
} else {
// Dokuwiki debug
$html .= '';
foreach ($relatedPages as $backlink) {
$backlinkId = $backlink[self::RELATED_PAGE_ID_PROP];
$html .= '- ';
if ($backlinkId != self::MORE_PAGE_ID) {
$linkUtility = LinkMarkup::createFromPageIdOrPath($backlinkId);
try {
$html .= $linkUtility->toAttributes(self::TAG)->toHtmlEnterTag("a");
$html .= $linkUtility->getDefaultLabel();
$html .= "";
} catch (ExceptionCompile $e) {
$html = "Error while trying to create the link for the page ($backlinkId). Error: {$e->getMessage()}";
LogUtility::msg($html);
}
} else {
$html .=
tpl_link(
wl($page->getWikiId()) . '?do=backlink',
"More ...",
'class="" rel="nofollow" title="More..."',
true
);
}
$html .= '
';
}
$html .= '
';
}
return $html . '';
}
/**
* @param MarkupPath $page
* @param int|null $max
* @return array
*/
public static function getRelatedPagesOrderedByBacklinkCount(MarkupPath $page, ?int $max = null): array
{
// Call the dokuwiki backlinks function
// @require_once(DOKU_INC . 'inc/fulltext.php');
// Backlinks called the indexer, for more info
// See: https://www.dokuwiki.org/devel:metadata#metadata_index
$backlinks = ft_backlinks($page->getWikiId(), $ignore_perms = false);
$related = array();
foreach ($backlinks as $backlink) {
$page = array();
$page[RelatedTag::RELATED_PAGE_ID_PROP] = $backlink;
$page[RelatedTag::RELATED_BACKLINKS_COUNT_PROP] = sizeof(ft_backlinks($backlink, $ignore_perms = false));
$related[] = $page;
}
usort($related, function ($a, $b) {
return $b[RelatedTag::RELATED_BACKLINKS_COUNT_PROP] - $a[RelatedTag::RELATED_BACKLINKS_COUNT_PROP];
});
if ($max !== null) {
if (sizeof($related) > $max) {
$related = array_slice($related, 0, $max);
$page = array();
$page[RelatedTag::RELATED_PAGE_ID_PROP] = RelatedTag::MORE_PAGE_ID;
$related[] = $page;
}
}
return $related;
}
}