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Built out cross link replacer, not yet tested

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Dan Brown 2022-08-21 11:29:34 +01:00
parent 26ccb7b644
commit 0dbf08453f
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2 changed files with 51 additions and 3 deletions
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53
app/References/CrossLinkReplacer.php
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@ -5,6 +5,8 @@ namespace BookStack\References;
use BookStack\Entities\Models\Entity;
use BookStack\Entities\Models\Page;
use BookStack\Entities\Repos\RevisionRepo;
use DOMDocument;
use DOMXPath;
class CrossLinkReplacer
{
@ -33,15 +35,60 @@ class CrossLinkReplacer
protected function updateReferencesWithinPage(Page $page, string $oldLink, string $newLink)
{
$page = (clone $page)->refresh();
$html = '';// TODO - Update HTML content
$markdown = '';// TODO - Update markdown content
$html = $this->updateLinksInHtml($page->html, $oldLink, $newLink);
$markdown = $this->updateLinksInMarkdown($page->markdown, $oldLink, $newLink);
$page->html = $html;
$page->markdown = $markdown;
$page->revision_count++;
$page->save();
$summary = ''; // TODO - Get default summary from translations
$summary = trans('entities.pages_references_update_revision');
$this->revisionRepo->storeNewForPage($page, $summary);
}
protected function updateLinksInMarkdown(string $markdown, string $oldLink, string $newLink): string
{
if (empty($markdown)) {
return $markdown;
}
$commonLinkRegex = '/(\[.*?\]\()' . preg_quote($oldLink) . '(.*?\))/i';
$markdown = preg_replace($commonLinkRegex, '$1' . $newLink . '$2', $markdown);
$referenceLinkRegex = '/(\[.*?\]:\s?)' . preg_quote($oldLink) . '(.*?)($|\s)/i';
$markdown = preg_replace($referenceLinkRegex, '$1' . $newLink . '$2$3', $markdown);
return $markdown;
}
protected function updateLinksInHtml(string $html, string $oldLink, string $newLink): string
{
if (empty($html)) {
return $html;
}
$html = '<body>' . $html . '</body>';
libxml_use_internal_errors(true);
$doc = new DOMDocument();
$doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
$xPath = new DOMXPath($doc);
$anchors = $xPath->query('//a[@href]');
/** @var \DOMElement $anchor */
foreach ($anchors as $anchor) {
$link = $anchor->getAttribute('href');
$updated = str_ireplace($oldLink, $newLink, $link);
$anchor->setAttribute('href', $updated);
}
$html = '';
$topElems = $doc->documentElement->childNodes->item(0)->childNodes;
foreach ($topElems as $child) {
$html .= $doc->saveHTML($child);
}
return $html;
}
}

1
resources/lang/en/entities.php
View File

@ -249,6 +249,7 @@ return [
'pages_edit_content_link' => 'Edit Content',
'pages_permissions_active' => 'Page Permissions Active',
'pages_initial_revision' => 'Initial publish',
'pages_references_update_revision' => 'System auto-update of internal links',
'pages_initial_name' => 'New Page',
'pages_editing_draft_notification' => 'You are currently editing a draft that was last saved :timeDiff.',
'pages_draft_edited_notification' => 'This page has been updated by since that time. It is recommended that you discard this draft.',