-<?php namespace Oxbow\Repos;
-
+<?php namespace BookStack\Repos;
+use Activity;
+use BookStack\Book;
+use BookStack\Chapter;
+use BookStack\Entity;
+use BookStack\Exceptions\NotFoundException;
+use BookStack\Services\AttachmentService;
+use Carbon\Carbon;
+use DOMDocument;
+use DOMXPath;
use Illuminate\Support\Str;
-use Oxbow\Page;
+use BookStack\Page;
+use BookStack\PageRevision;
-class PageRepo
+class PageRepo extends EntityRepo
{
- protected $page;
+
+ protected $pageRevision;
+ protected $tagRepo;
/**
* PageRepo constructor.
- * @param $page
+ * @param PageRevision $pageRevision
+ * @param TagRepo $tagRepo
*/
- public function __construct(Page $page)
+ public function __construct(PageRevision $pageRevision, TagRepo $tagRepo)
{
- $this->page = $page;
+ $this->pageRevision = $pageRevision;
+ $this->tagRepo = $tagRepo;
+ parent::__construct();
}
- public function getById($id)
+ /**
+ * Base query for getting pages, Takes restrictions into account.
+ * @param bool $allowDrafts
+ * @return mixed
+ */
+ private function pageQuery($allowDrafts = false)
{
- return $this->page->findOrFail($id);
+ $query = $this->permissionService->enforcePageRestrictions($this->page, 'view');
+ if (!$allowDrafts) {
+ $query = $query->where('draft', '=', false);
+ }
+ return $query;
}
- public function getAll()
+ /**
+ * Get a page via a specific ID.
+ * @param $id
+ * @param bool $allowDrafts
+ * @return Page
+ */
+ public function getById($id, $allowDrafts = false)
{
- return $this->page->all();
+ return $this->pageQuery($allowDrafts)->findOrFail($id);
}
+ /**
+ * Get a page identified by the given slug.
+ * @param $slug
+ * @param $bookId
+ * @return Page
+ * @throws NotFoundException
+ */
public function getBySlug($slug, $bookId)
{
- return $this->page->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
+ $page = $this->pageQuery()->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
+ if ($page === null) throw new NotFoundException(trans('errors.page_not_found'));
+ return $page;
+ }
+
+ /**
+ * Search through page revisions and retrieve
+ * the last page in the current book that
+ * has a slug equal to the one given.
+ * @param $pageSlug
+ * @param $bookSlug
+ * @return null | Page
+ */
+ public function findPageUsingOldSlug($pageSlug, $bookSlug)
+ {
+ $revision = $this->pageRevision->where('slug', '=', $pageSlug)
+ ->whereHas('page', function ($query) {
+ $this->permissionService->enforcePageRestrictions($query);
+ })
+ ->where('type', '=', 'version')
+ ->where('book_slug', '=', $bookSlug)->orderBy('created_at', 'desc')
+ ->with('page')->first();
+ return $revision !== null ? $revision->page : null;
}
+ /**
+ * Get a new Page instance from the given input.
+ * @param $input
+ * @return Page
+ */
public function newFromInput($input)
{
$page = $this->page->fill($input);
return $page;
}
+ /**
+ * Count the pages with a particular slug within a book.
+ * @param $slug
+ * @param $bookId
+ * @return mixed
+ */
public function countBySlug($slug, $bookId)
{
return $this->page->where('slug', '=', $slug)->where('book_id', '=', $bookId)->count();
}
- public function destroyById($id)
+ /**
+ * Publish a draft page to make it a normal page.
+ * Sets the slug and updates the content.
+ * @param Page $draftPage
+ * @param array $input
+ * @return Page
+ */
+ public function publishDraft(Page $draftPage, array $input)
{
- $page = $this->getById($id);
- $page->delete();
+ $draftPage->fill($input);
+
+ // Save page tags if present
+ if (isset($input['tags'])) {
+ $this->tagRepo->saveTagsToEntity($draftPage, $input['tags']);
+ }
+
+ $draftPage->slug = $this->findSuitableSlug($draftPage->name, $draftPage->book->id);
+ $draftPage->html = $this->formatHtml($input['html']);
+ $draftPage->text = strip_tags($draftPage->html);
+ $draftPage->draft = false;
+
+ $draftPage->save();
+ $this->saveRevision($draftPage, trans('entities.pages_initial_revision'));
+
+ return $draftPage;
+ }
+
+ /**
+ * Get a new draft page instance.
+ * @param Book $book
+ * @param Chapter|bool $chapter
+ * @return Page
+ */
+ public function getDraftPage(Book $book, $chapter = false)
+ {
+ $page = $this->page->newInstance();
+ $page->name = trans('entities.pages_initial_name');
+ $page->created_by = user()->id;
+ $page->updated_by = user()->id;
+ $page->draft = true;
+
+ if ($chapter) $page->chapter_id = $chapter->id;
+
+ $book->pages()->save($page);
+ $this->permissionService->buildJointPermissionsForEntity($page);
+ return $page;
+ }
+
+ /**
+ * Parse te headers on the page to get a navigation menu
+ * @param Page $page
+ * @return array
+ */
+ public function getPageNav(Page $page)
+ {
+ if ($page->html == '') return null;
+ libxml_use_internal_errors(true);
+ $doc = new DOMDocument();
+ $doc->loadHTML(mb_convert_encoding($page->html, 'HTML-ENTITIES', 'UTF-8'));
+ $xPath = new DOMXPath($doc);
+ $headers = $xPath->query("//h1|//h2|//h3|//h4|//h5|//h6");
+
+ if (is_null($headers)) return null;
+
+ $tree = [];
+ foreach ($headers as $header) {
+ $text = $header->nodeValue;
+ $tree[] = [
+ 'nodeName' => strtolower($header->nodeName),
+ 'level' => intval(str_replace('h', '', $header->nodeName)),
+ 'link' => '#' . $header->getAttribute('id'),
+ 'text' => strlen($text) > 30 ? substr($text, 0, 27) . '...' : $text
+ ];
+ }
+ return $tree;
}
- public function getBySearch($term)
+ /**
+ * Formats a page's html to be tagged correctly
+ * within the system.
+ * @param string $htmlText
+ * @return string
+ */
+ protected function formatHtml($htmlText)
{
- $terms = explode(' ', trim($term));
- $query = $this->page;
- foreach($terms as $term) {
- $query = $query->where('text', 'like', '%'.$term.'%');
+ if ($htmlText == '') return $htmlText;
+ libxml_use_internal_errors(true);
+ $doc = new DOMDocument();
+ $doc->loadHTML(mb_convert_encoding($htmlText, 'HTML-ENTITIES', 'UTF-8'));
+
+ $container = $doc->documentElement;
+ $body = $container->childNodes->item(0);
+ $childNodes = $body->childNodes;
+
+ // Ensure no duplicate ids are used
+ $idArray = [];
+
+ foreach ($childNodes as $index => $childNode) {
+ /** @var \DOMElement $childNode */
+ if (get_class($childNode) !== 'DOMElement') continue;
+
+ // Overwrite id if not a BookStack custom id
+ if ($childNode->hasAttribute('id')) {
+ $id = $childNode->getAttribute('id');
+ if (strpos($id, 'bkmrk') === 0 && array_search($id, $idArray) === false) {
+ $idArray[] = $id;
+ continue;
+ };
+ }
+
+ // Create an unique id for the element
+ // Uses the content as a basis to ensure output is the same every time
+ // the same content is passed through.
+ $contentId = 'bkmrk-' . substr(strtolower(preg_replace('/\s+/', '-', trim($childNode->nodeValue))), 0, 20);
+ $newId = urlencode($contentId);
+ $loopIndex = 0;
+ while (in_array($newId, $idArray)) {
+ $newId = urlencode($contentId . '-' . $loopIndex);
+ $loopIndex++;
+ }
+
+ $childNode->setAttribute('id', $newId);
+ $idArray[] = $newId;
}
- return $query->get();
+
+ // Generate inner html as a string
+ $html = '';
+ foreach ($childNodes as $childNode) {
+ $html .= $doc->saveHTML($childNode);
+ }
+
+ return $html;
+ }
+
+
+ /**
+ * Gets pages by a search term.
+ * Highlights page content for showing in results.
+ * @param string $term
+ * @param array $whereTerms
+ * @param int $count
+ * @param array $paginationAppends
+ * @return mixed
+ */
+ public function getBySearch($term, $whereTerms = [], $count = 20, $paginationAppends = [])
+ {
+ $terms = $this->prepareSearchTerms($term);
+ $pageQuery = $this->permissionService->enforcePageRestrictions($this->page->fullTextSearchQuery(['name', 'text'], $terms, $whereTerms));
+ $pageQuery = $this->addAdvancedSearchQueries($pageQuery, $term);
+ $pages = $pageQuery->paginate($count)->appends($paginationAppends);
+
+ // Add highlights to page text.
+ $words = join('|', explode(' ', preg_quote(trim($term), '/')));
+ //lookahead/behind assertions ensures cut between words
+ $s = '\s\x00-/:-@\[-`{-~'; //character set for start/end of words
+
+ foreach ($pages as $page) {
+ preg_match_all('#(?<=[' . $s . ']).{1,30}((' . $words . ').{1,30})+(?=[' . $s . '])#uis', $page->text, $matches, PREG_SET_ORDER);
+ //delimiter between occurrences
+ $results = [];
+ foreach ($matches as $line) {
+ $results[] = htmlspecialchars($line[0], 0, 'UTF-8');
+ }
+ $matchLimit = 6;
+ if (count($results) > $matchLimit) {
+ $results = array_slice($results, 0, $matchLimit);
+ }
+ $result = join('... ', $results);
+
+ //highlight
+ $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $result);
+ if (strlen($result) < 5) {
+ $result = $page->getExcerpt(80);
+ }
+ $page->searchSnippet = $result;
+ }
+ return $pages;
+ }
+
+ /**
+ * Search for image usage.
+ * @param $imageString
+ * @return mixed
+ */
+ public function searchForImage($imageString)
+ {
+ $pages = $this->pageQuery()->where('html', 'like', '%' . $imageString . '%')->get();
+ foreach ($pages as $page) {
+ $page->url = $page->getUrl();
+ $page->html = '';
+ $page->text = '';
+ }
+ return count($pages) > 0 ? $pages : false;
+ }
+
+ /**
+ * Updates a page with any fillable data and saves it into the database.
+ * @param Page $page
+ * @param int $book_id
+ * @param string $input
+ * @return Page
+ */
+ public function updatePage(Page $page, $book_id, $input)
+ {
+ // Hold the old details to compare later
+ $oldHtml = $page->html;
+ $oldName = $page->name;
+
+ // Prevent slug being updated if no name change
+ if ($page->name !== $input['name']) {
+ $page->slug = $this->findSuitableSlug($input['name'], $book_id, $page->id);
+ }
+
+ // Save page tags if present
+ if (isset($input['tags'])) {
+ $this->tagRepo->saveTagsToEntity($page, $input['tags']);
+ }
+
+ // Update with new details
+ $userId = user()->id;
+ $page->fill($input);
+ $page->html = $this->formatHtml($input['html']);
+ $page->text = strip_tags($page->html);
+ if (setting('app-editor') !== 'markdown') $page->markdown = '';
+ $page->updated_by = $userId;
+ $page->save();
+
+ // Remove all update drafts for this user & page.
+ $this->userUpdateDraftsQuery($page, $userId)->delete();
+
+ // Save a revision after updating
+ if ($oldHtml !== $input['html'] || $oldName !== $input['name'] || $input['summary'] !== null) {
+ $this->saveRevision($page, $input['summary']);
+ }
+
+ return $page;
+ }
+
+ /**
+ * Restores a revision's content back into a page.
+ * @param Page $page
+ * @param Book $book
+ * @param int $revisionId
+ * @return Page
+ */
+ public function restoreRevision(Page $page, Book $book, $revisionId)
+ {
+ $this->saveRevision($page);
+ $revision = $this->getRevisionById($revisionId);
+ $page->fill($revision->toArray());
+ $page->slug = $this->findSuitableSlug($page->name, $book->id, $page->id);
+ $page->text = strip_tags($page->html);
+ $page->updated_by = user()->id;
+ $page->save();
+ return $page;
+ }
+
+ /**
+ * Saves a page revision into the system.
+ * @param Page $page
+ * @param null|string $summary
+ * @return $this
+ */
+ public function saveRevision(Page $page, $summary = null)
+ {
+ $revision = $this->pageRevision->newInstance($page->toArray());
+ if (setting('app-editor') !== 'markdown') $revision->markdown = '';
+ $revision->page_id = $page->id;
+ $revision->slug = $page->slug;
+ $revision->book_slug = $page->book->slug;
+ $revision->created_by = user()->id;
+ $revision->created_at = $page->updated_at;
+ $revision->type = 'version';
+ $revision->summary = $summary;
+ $revision->save();
+
+ // Clear old revisions
+ if ($this->pageRevision->where('page_id', '=', $page->id)->count() > 50) {
+ $this->pageRevision->where('page_id', '=', $page->id)
+ ->orderBy('created_at', 'desc')->skip(50)->take(5)->delete();
+ }
+
+ return $revision;
+ }
+
+ /**
+ * Save a page update draft.
+ * @param Page $page
+ * @param array $data
+ * @return PageRevision
+ */
+ public function saveUpdateDraft(Page $page, $data = [])
+ {
+ $userId = user()->id;
+ $drafts = $this->userUpdateDraftsQuery($page, $userId)->get();
+
+ if ($drafts->count() > 0) {
+ $draft = $drafts->first();
+ } else {
+ $draft = $this->pageRevision->newInstance();
+ $draft->page_id = $page->id;
+ $draft->slug = $page->slug;
+ $draft->book_slug = $page->book->slug;
+ $draft->created_by = $userId;
+ $draft->type = 'update_draft';
+ }
+
+ $draft->fill($data);
+ if (setting('app-editor') !== 'markdown') $draft->markdown = '';
+
+ $draft->save();
+ return $draft;
+ }
+
+ /**
+ * Update a draft page.
+ * @param Page $page
+ * @param array $data
+ * @return Page
+ */
+ public function updateDraftPage(Page $page, $data = [])
+ {
+ $page->fill($data);
+
+ if (isset($data['html'])) {
+ $page->text = strip_tags($data['html']);
+ }
+
+ $page->save();
+ return $page;
+ }
+
+ /**
+ * The base query for getting user update drafts.
+ * @param Page $page
+ * @param $userId
+ * @return mixed
+ */
+ private function userUpdateDraftsQuery(Page $page, $userId)
+ {
+ return $this->pageRevision->where('created_by', '=', $userId)
+ ->where('type', 'update_draft')
+ ->where('page_id', '=', $page->id)
+ ->orderBy('created_at', 'desc');
+ }
+
+ /**
+ * Checks whether a user has a draft version of a particular page or not.
+ * @param Page $page
+ * @param $userId
+ * @return bool
+ */
+ public function hasUserGotPageDraft(Page $page, $userId)
+ {
+ return $this->userUpdateDraftsQuery($page, $userId)->count() > 0;
+ }
+
+ /**
+ * Get the latest updated draft revision for a particular page and user.
+ * @param Page $page
+ * @param $userId
+ * @return mixed
+ */
+ public function getUserPageDraft(Page $page, $userId)
+ {
+ return $this->userUpdateDraftsQuery($page, $userId)->first();
+ }
+
+ /**
+ * Get the notification message that informs the user that they are editing a draft page.
+ * @param PageRevision $draft
+ * @return string
+ */
+ public function getUserPageDraftMessage(PageRevision $draft)
+ {
+ $message = trans('entities.pages_editing_draft_notification', ['timeDiff' => $draft->updated_at->diffForHumans()]);
+ if ($draft->page->updated_at->timestamp <= $draft->updated_at->timestamp) return $message;
+ return $message . "\n" . trans('entities.pages_draft_edited_notification');
+ }
+
+ /**
+ * Check if a page is being actively editing.
+ * Checks for edits since last page updated.
+ * Passing in a minuted range will check for edits
+ * within the last x minutes.
+ * @param Page $page
+ * @param null $minRange
+ * @return bool
+ */
+ public function isPageEditingActive(Page $page, $minRange = null)
+ {
+ $draftSearch = $this->activePageEditingQuery($page, $minRange);
+ return $draftSearch->count() > 0;
+ }
+
+ /**
+ * Get a notification message concerning the editing activity on
+ * a particular page.
+ * @param Page $page
+ * @param null $minRange
+ * @return string
+ */
+ public function getPageEditingActiveMessage(Page $page, $minRange = null)
+ {
+ $pageDraftEdits = $this->activePageEditingQuery($page, $minRange)->get();
+
+ $userMessage = $pageDraftEdits->count() > 1 ? trans('entities.pages_draft_edit_active.start_a', ['count' => $pageDraftEdits->count()]): trans('entities.pages_draft_edit_active.start_b', ['userName' => $pageDraftEdits->first()->createdBy->name]);
+ $timeMessage = $minRange === null ? trans('entities.pages_draft_edit_active.time_a') : trans('entities.pages_draft_edit_active.time_b', ['minCount'=>$minRange]);
+ return trans('entities.pages_draft_edit_active.message', ['start' => $userMessage, 'time' => $timeMessage]);
+ }
+
+ /**
+ * A query to check for active update drafts on a particular page.
+ * @param Page $page
+ * @param null $minRange
+ * @return mixed
+ */
+ private function activePageEditingQuery(Page $page, $minRange = null)
+ {
+ $query = $this->pageRevision->where('type', '=', 'update_draft')
+ ->where('page_id', '=', $page->id)
+ ->where('updated_at', '>', $page->updated_at)
+ ->where('created_by', '!=', user()->id)
+ ->with('createdBy');
+
+ if ($minRange !== null) {
+ $query = $query->where('updated_at', '>=', Carbon::now()->subMinutes($minRange));
+ }
+
+ return $query;
+ }
+
+ /**
+ * Gets a single revision via it's id.
+ * @param $id
+ * @return PageRevision
+ */
+ public function getRevisionById($id)
+ {
+ return $this->pageRevision->findOrFail($id);
+ }
+
+ /**
+ * Checks if a slug exists within a book already.
+ * @param $slug
+ * @param $bookId
+ * @param bool|false $currentId
+ * @return bool
+ */
+ public function doesSlugExist($slug, $bookId, $currentId = false)
+ {
+ $query = $this->page->where('slug', '=', $slug)->where('book_id', '=', $bookId);
+ if ($currentId) $query = $query->where('id', '!=', $currentId);
+ return $query->count() > 0;
+ }
+
+ /**
+ * Changes the related book for the specified page.
+ * Changes the book id of any relations to the page that store the book id.
+ * @param int $bookId
+ * @param Page $page
+ * @return Page
+ */
+ public function changeBook($bookId, Page $page)
+ {
+ $page->book_id = $bookId;
+ foreach ($page->activity as $activity) {
+ $activity->book_id = $bookId;
+ $activity->save();
+ }
+ $page->slug = $this->findSuitableSlug($page->name, $bookId, $page->id);
+ $page->save();
+ return $page;
+ }
+
+
+ /**
+ * Change the page's parent to the given entity.
+ * @param Page $page
+ * @param Entity $parent
+ */
+ public function changePageParent(Page $page, Entity $parent)
+ {
+ $book = $parent->isA('book') ? $parent : $parent->book;
+ $page->chapter_id = $parent->isA('chapter') ? $parent->id : 0;
+ $page->save();
+ $page = $this->changeBook($book->id, $page);
+ $page->load('book');
+ $this->permissionService->buildJointPermissionsForEntity($book);
+ }
+
+ /**
+ * Gets a suitable slug for the resource
+ * @param string $name
+ * @param int $bookId
+ * @param bool|false $currentId
+ * @return string
+ */
+ public function findSuitableSlug($name, $bookId, $currentId = false)
+ {
+ $slug = $this->nameToSlug($name);
+ while ($this->doesSlugExist($slug, $bookId, $currentId)) {
+ $slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
+ }
+ return $slug;
+ }
+
+ /**
+ * Destroy a given page along with its dependencies.
+ * @param $page
+ */
+ public function destroy(Page $page)
+ {
+ Activity::removeEntity($page);
+ $page->views()->delete();
+ $page->tags()->delete();
+ $page->revisions()->delete();
+ $page->permissions()->delete();
+ $this->permissionService->deleteJointPermissionsForEntity($page);
+
+ // Delete AttachedFiles
+ $attachmentService = app(AttachmentService::class);
+ foreach ($page->attachments as $attachment) {
+ $attachmentService->deleteFile($attachment);
+ }
+
+ $page->delete();
+ }
+
+ /**
+ * Get the latest pages added to the system.
+ * @param $count
+ * @return mixed
+ */
+ public function getRecentlyCreatedPaginated($count = 20)
+ {
+ return $this->pageQuery()->orderBy('created_at', 'desc')->paginate($count);
+ }
+
+ /**
+ * Get the latest pages added to the system.
+ * @param $count
+ * @return mixed
+ */
+ public function getRecentlyUpdatedPaginated($count = 20)
+ {
+ return $this->pageQuery()->orderBy('updated_at', 'desc')->paginate($count);
}
-}
\ No newline at end of file
+}
projects / bookstack / blobdiff