1156 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			1156 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php namespace BookStack\Repos;
 | |
| 
 | |
| use BookStack\Book;
 | |
| use BookStack\Chapter;
 | |
| use BookStack\Entity;
 | |
| use BookStack\Exceptions\NotFoundException;
 | |
| use BookStack\Exceptions\NotifyException;
 | |
| use BookStack\Page;
 | |
| use BookStack\PageRevision;
 | |
| use BookStack\Services\AttachmentService;
 | |
| use BookStack\Services\PermissionService;
 | |
| use BookStack\Services\SearchService;
 | |
| use BookStack\Services\ViewService;
 | |
| use Carbon\Carbon;
 | |
| use DOMDocument;
 | |
| use DOMXPath;
 | |
| use Illuminate\Support\Collection;
 | |
| 
 | |
| class EntityRepo
 | |
| {
 | |
| 
 | |
|     /**
 | |
|      * @var Book $book
 | |
|      */
 | |
|     public $book;
 | |
| 
 | |
|     /**
 | |
|      * @var Chapter
 | |
|      */
 | |
|     public $chapter;
 | |
| 
 | |
|     /**
 | |
|      * @var Page
 | |
|      */
 | |
|     public $page;
 | |
| 
 | |
|     /**
 | |
|      * @var PageRevision
 | |
|      */
 | |
|     protected $pageRevision;
 | |
| 
 | |
|     /**
 | |
|      * Base entity instances keyed by type
 | |
|      * @var []Entity
 | |
|      */
 | |
|     protected $entities;
 | |
| 
 | |
|     /**
 | |
|      * @var PermissionService
 | |
|      */
 | |
|     protected $permissionService;
 | |
| 
 | |
|     /**
 | |
|      * @var ViewService
 | |
|      */
 | |
|     protected $viewService;
 | |
| 
 | |
|     /**
 | |
|      * @var TagRepo
 | |
|      */
 | |
|     protected $tagRepo;
 | |
| 
 | |
|     /**
 | |
|      * @var SearchService
 | |
|      */
 | |
|     protected $searchService;
 | |
| 
 | |
|     /**
 | |
|      * EntityRepo constructor.
 | |
|      * @param Book $book
 | |
|      * @param Chapter $chapter
 | |
|      * @param Page $page
 | |
|      * @param PageRevision $pageRevision
 | |
|      * @param ViewService $viewService
 | |
|      * @param PermissionService $permissionService
 | |
|      * @param TagRepo $tagRepo
 | |
|      * @param SearchService $searchService
 | |
|      */
 | |
|     public function __construct(
 | |
|         Book $book,
 | |
|         Chapter $chapter,
 | |
|         Page $page,
 | |
|         PageRevision $pageRevision,
 | |
|         ViewService $viewService,
 | |
|         PermissionService $permissionService,
 | |
|         TagRepo $tagRepo,
 | |
|         SearchService $searchService
 | |
|     ) {
 | |
|         $this->book = $book;
 | |
|         $this->chapter = $chapter;
 | |
|         $this->page = $page;
 | |
|         $this->pageRevision = $pageRevision;
 | |
|         $this->entities = [
 | |
|             'page' => $this->page,
 | |
|             'chapter' => $this->chapter,
 | |
|             'book' => $this->book
 | |
|         ];
 | |
|         $this->viewService = $viewService;
 | |
|         $this->permissionService = $permissionService;
 | |
|         $this->tagRepo = $tagRepo;
 | |
|         $this->searchService = $searchService;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get an entity instance via type.
 | |
|      * @param $type
 | |
|      * @return Entity
 | |
|      */
 | |
|     protected function getEntity($type)
 | |
|     {
 | |
|         return $this->entities[strtolower($type)];
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Base query for searching entities via permission system
 | |
|      * @param string $type
 | |
|      * @param bool $allowDrafts
 | |
|      * @return \Illuminate\Database\Query\Builder
 | |
|      */
 | |
|     protected function entityQuery($type, $allowDrafts = false, $permission = 'view')
 | |
|     {
 | |
|         $q = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type), $permission);
 | |
|         if (strtolower($type) === 'page' && !$allowDrafts) {
 | |
|             $q = $q->where('draft', '=', false);
 | |
|         }
 | |
|         return $q;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if an entity with the given id exists.
 | |
|      * @param $type
 | |
|      * @param $id
 | |
|      * @return bool
 | |
|      */
 | |
|     public function exists($type, $id)
 | |
|     {
 | |
|         return $this->entityQuery($type)->where('id', '=', $id)->exists();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get an entity by ID
 | |
|      * @param string $type
 | |
|      * @param integer $id
 | |
|      * @param bool $allowDrafts
 | |
|      * @param bool $ignorePermissions
 | |
|      * @return Entity
 | |
|      */
 | |
|     public function getById($type, $id, $allowDrafts = false, $ignorePermissions = false)
 | |
|     {
 | |
|         if ($ignorePermissions) {
 | |
|             $entity = $this->getEntity($type);
 | |
|             return $entity->newQuery()->find($id);
 | |
|         }
 | |
|         return $this->entityQuery($type, $allowDrafts)->find($id);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get an entity by its url slug.
 | |
|      * @param string $type
 | |
|      * @param string $slug
 | |
|      * @param string|bool $bookSlug
 | |
|      * @return Entity
 | |
|      * @throws NotFoundException
 | |
|      */
 | |
|     public function getBySlug($type, $slug, $bookSlug = false)
 | |
|     {
 | |
|         $q = $this->entityQuery($type)->where('slug', '=', $slug);
 | |
| 
 | |
|         if (strtolower($type) === 'chapter' || strtolower($type) === 'page') {
 | |
|             $q = $q->where('book_id', '=', function ($query) use ($bookSlug) {
 | |
|                 $query->select('id')
 | |
|                     ->from($this->book->getTable())
 | |
|                     ->where('slug', '=', $bookSlug)->limit(1);
 | |
|             });
 | |
|         }
 | |
|         $entity = $q->first();
 | |
|         if ($entity === null) {
 | |
|             throw new NotFoundException(trans('errors.' . strtolower($type) . '_not_found'));
 | |
|         }
 | |
|         return $entity;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Search through page revisions and retrieve the last page in the
 | |
|      * current book that has a slug equal to the one given.
 | |
|      * @param string $pageSlug
 | |
|      * @param string $bookSlug
 | |
|      * @return null|Page
 | |
|      */
 | |
|     public function getPageByOldSlug($pageSlug, $bookSlug)
 | |
|     {
 | |
|         $revision = $this->pageRevision->where('slug', '=', $pageSlug)
 | |
|             ->whereHas('page', function ($query) {
 | |
|                 $this->permissionService->enforceEntityRestrictions('page', $query);
 | |
|             })
 | |
|             ->where('type', '=', 'version')
 | |
|             ->where('book_slug', '=', $bookSlug)
 | |
|             ->orderBy('created_at', 'desc')
 | |
|             ->with('page')->first();
 | |
|         return $revision !== null ? $revision->page : null;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get all entities of a type with the given permission, limited by count unless count is false.
 | |
|      * @param string $type
 | |
|      * @param integer|bool $count
 | |
|      * @param string $permission
 | |
|      * @return Collection
 | |
|      */
 | |
|     public function getAll($type, $count = 20, $permission = 'view')
 | |
|     {
 | |
|         $q = $this->entityQuery($type, false, $permission)->orderBy('name', 'asc');
 | |
|         if ($count !== false) {
 | |
|             $q = $q->take($count);
 | |
|         }
 | |
|         return $q->get();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get all entities in a paginated format
 | |
|      * @param $type
 | |
|      * @param int $count
 | |
|      * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
 | |
|      */
 | |
|     public function getAllPaginated($type, $count = 10)
 | |
|     {
 | |
|         return $this->entityQuery($type)->orderBy('name', 'asc')->paginate($count);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the most recently created entities of the given type.
 | |
|      * @param string $type
 | |
|      * @param int $count
 | |
|      * @param int $page
 | |
|      * @param bool|callable $additionalQuery
 | |
|      * @return Collection
 | |
|      */
 | |
|     public function getRecentlyCreated($type, $count = 20, $page = 0, $additionalQuery = false)
 | |
|     {
 | |
|         $query = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type))
 | |
|             ->orderBy('created_at', 'desc');
 | |
|         if (strtolower($type) === 'page') {
 | |
|             $query = $query->where('draft', '=', false);
 | |
|         }
 | |
|         if ($additionalQuery !== false && is_callable($additionalQuery)) {
 | |
|             $additionalQuery($query);
 | |
|         }
 | |
|         return $query->skip($page * $count)->take($count)->get();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the most recently updated entities of the given type.
 | |
|      * @param string $type
 | |
|      * @param int $count
 | |
|      * @param int $page
 | |
|      * @param bool|callable $additionalQuery
 | |
|      * @return Collection
 | |
|      */
 | |
|     public function getRecentlyUpdated($type, $count = 20, $page = 0, $additionalQuery = false)
 | |
|     {
 | |
|         $query = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type))
 | |
|             ->orderBy('updated_at', 'desc');
 | |
|         if (strtolower($type) === 'page') {
 | |
|             $query = $query->where('draft', '=', false);
 | |
|         }
 | |
|         if ($additionalQuery !== false && is_callable($additionalQuery)) {
 | |
|             $additionalQuery($query);
 | |
|         }
 | |
|         return $query->skip($page * $count)->take($count)->get();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the most recently viewed entities.
 | |
|      * @param string|bool $type
 | |
|      * @param int $count
 | |
|      * @param int $page
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function getRecentlyViewed($type, $count = 10, $page = 0)
 | |
|     {
 | |
|         $filter = is_bool($type) ? false : $this->getEntity($type);
 | |
|         return $this->viewService->getUserRecentlyViewed($count, $page, $filter);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the latest pages added to the system with pagination.
 | |
|      * @param string $type
 | |
|      * @param int $count
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function getRecentlyCreatedPaginated($type, $count = 20)
 | |
|     {
 | |
|         return $this->entityQuery($type)->orderBy('created_at', 'desc')->paginate($count);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the latest pages added to the system with pagination.
 | |
|      * @param string $type
 | |
|      * @param int $count
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function getRecentlyUpdatedPaginated($type, $count = 20)
 | |
|     {
 | |
|         return $this->entityQuery($type)->orderBy('updated_at', 'desc')->paginate($count);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the most popular entities base on all views.
 | |
|      * @param string|bool $type
 | |
|      * @param int $count
 | |
|      * @param int $page
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function getPopular($type, $count = 10, $page = 0)
 | |
|     {
 | |
|         $filter = is_bool($type) ? false : $this->getEntity($type);
 | |
|         return $this->viewService->getPopular($count, $page, $filter);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get draft pages owned by the current user.
 | |
|      * @param int $count
 | |
|      * @param int $page
 | |
|      */
 | |
|     public function getUserDraftPages($count = 20, $page = 0)
 | |
|     {
 | |
|         return $this->page->where('draft', '=', true)
 | |
|             ->where('created_by', '=', user()->id)
 | |
|             ->orderBy('updated_at', 'desc')
 | |
|             ->skip($count * $page)->take($count)->get();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get all child objects of a book.
 | |
|      * Returns a sorted collection of Pages and Chapters.
 | |
|      * Loads the book slug onto child elements to prevent access database access for getting the slug.
 | |
|      * @param Book $book
 | |
|      * @param bool $filterDrafts
 | |
|      * @param bool $renderPages
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function getBookChildren(Book $book, $filterDrafts = false, $renderPages = false)
 | |
|     {
 | |
|         $q = $this->permissionService->bookChildrenQuery($book->id, $filterDrafts, $renderPages)->get();
 | |
|         $entities = [];
 | |
|         $parents = [];
 | |
|         $tree = [];
 | |
| 
 | |
|         foreach ($q as $index => $rawEntity) {
 | |
|             if ($rawEntity->entity_type === 'BookStack\\Page') {
 | |
|                 $entities[$index] = $this->page->newFromBuilder($rawEntity);
 | |
|                 if ($renderPages) {
 | |
|                     $entities[$index]->html = $rawEntity->html;
 | |
|                     $entities[$index]->html = $this->renderPage($entities[$index]);
 | |
|                 };
 | |
|             } else if ($rawEntity->entity_type === 'BookStack\\Chapter') {
 | |
|                 $entities[$index] = $this->chapter->newFromBuilder($rawEntity);
 | |
|                 $key = $entities[$index]->entity_type . ':' . $entities[$index]->id;
 | |
|                 $parents[$key] = $entities[$index];
 | |
|                 $parents[$key]->setAttribute('pages', collect());
 | |
|             }
 | |
|             if ($entities[$index]->chapter_id === 0 || $entities[$index]->chapter_id === '0') {
 | |
|                 $tree[] = $entities[$index];
 | |
|             }
 | |
|             $entities[$index]->book = $book;
 | |
|         }
 | |
| 
 | |
|         foreach ($entities as $entity) {
 | |
|             if ($entity->chapter_id === 0 || $entity->chapter_id === '0') {
 | |
|                 continue;
 | |
|             }
 | |
|             $parentKey = 'BookStack\\Chapter:' . $entity->chapter_id;
 | |
|             if (!isset($parents[$parentKey])) {
 | |
|                 $tree[] = $entity;
 | |
|                 continue;
 | |
|             }
 | |
|             $chapter = $parents[$parentKey];
 | |
|             $chapter->pages->push($entity);
 | |
|         }
 | |
| 
 | |
|         return collect($tree);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the child items for a chapter sorted by priority but
 | |
|      * with draft items floated to the top.
 | |
|      * @param Chapter $chapter
 | |
|      * @return \Illuminate\Database\Eloquent\Collection|static[]
 | |
|      */
 | |
|     public function getChapterChildren(Chapter $chapter)
 | |
|     {
 | |
|         return $this->permissionService->enforceEntityRestrictions('page', $chapter->pages())
 | |
|             ->orderBy('draft', 'DESC')->orderBy('priority', 'ASC')->get();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Get the next sequential priority for a new child element in the given book.
 | |
|      * @param Book $book
 | |
|      * @return int
 | |
|      */
 | |
|     public function getNewBookPriority(Book $book)
 | |
|     {
 | |
|         $lastElem = $this->getBookChildren($book)->pop();
 | |
|         return $lastElem ? $lastElem->priority + 1 : 0;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get a new priority for a new page to be added to the given chapter.
 | |
|      * @param Chapter $chapter
 | |
|      * @return int
 | |
|      */
 | |
|     public function getNewChapterPriority(Chapter $chapter)
 | |
|     {
 | |
|         $lastPage = $chapter->pages('DESC')->first();
 | |
|         return $lastPage !== null ? $lastPage->priority + 1 : 0;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Find a suitable slug for an entity.
 | |
|      * @param string $type
 | |
|      * @param string $name
 | |
|      * @param bool|integer $currentId
 | |
|      * @param bool|integer $bookId Only pass if type is not a book
 | |
|      * @return string
 | |
|      */
 | |
|     public function findSuitableSlug($type, $name, $currentId = false, $bookId = false)
 | |
|     {
 | |
|         $slug = $this->nameToSlug($name);
 | |
|         while ($this->slugExists($type, $slug, $currentId, $bookId)) {
 | |
|             $slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
 | |
|         }
 | |
|         return $slug;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Check if a slug already exists in the database.
 | |
|      * @param string $type
 | |
|      * @param string $slug
 | |
|      * @param bool|integer $currentId
 | |
|      * @param bool|integer $bookId
 | |
|      * @return bool
 | |
|      */
 | |
|     protected function slugExists($type, $slug, $currentId = false, $bookId = false)
 | |
|     {
 | |
|         $query = $this->getEntity($type)->where('slug', '=', $slug);
 | |
|         if (strtolower($type) === 'page' || strtolower($type) === 'chapter') {
 | |
|             $query = $query->where('book_id', '=', $bookId);
 | |
|         }
 | |
|         if ($currentId) {
 | |
|             $query = $query->where('id', '!=', $currentId);
 | |
|         }
 | |
|         return $query->count() > 0;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Updates entity restrictions from a request
 | |
|      * @param $request
 | |
|      * @param Entity $entity
 | |
|      */
 | |
|     public function updateEntityPermissionsFromRequest($request, Entity $entity)
 | |
|     {
 | |
|         $entity->restricted = $request->get('restricted', '') === 'true';
 | |
|         $entity->permissions()->delete();
 | |
| 
 | |
|         if ($request->filled('restrictions')) {
 | |
|             foreach ($request->get('restrictions') as $roleId => $restrictions) {
 | |
|                 foreach ($restrictions as $action => $value) {
 | |
|                     $entity->permissions()->create([
 | |
|                         'role_id' => $roleId,
 | |
|                         'action'  => strtolower($action)
 | |
|                     ]);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         $entity->save();
 | |
|         $this->permissionService->buildJointPermissionsForEntity($entity);
 | |
|     }
 | |
| 
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Create a new entity from request input.
 | |
|      * Used for books and chapters.
 | |
|      * @param string $type
 | |
|      * @param array $input
 | |
|      * @param bool|Book $book
 | |
|      * @return Entity
 | |
|      */
 | |
|     public function createFromInput($type, $input = [], $book = false)
 | |
|     {
 | |
|         $isChapter = strtolower($type) === 'chapter';
 | |
|         $entity = $this->getEntity($type)->newInstance($input);
 | |
|         $entity->slug = $this->findSuitableSlug($type, $entity->name, false, $isChapter ? $book->id : false);
 | |
|         $entity->created_by = user()->id;
 | |
|         $entity->updated_by = user()->id;
 | |
|         $isChapter ? $book->chapters()->save($entity) : $entity->save();
 | |
|         $this->permissionService->buildJointPermissionsForEntity($entity);
 | |
|         $this->searchService->indexEntity($entity);
 | |
|         return $entity;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Update entity details from request input.
 | |
|      * Used for books and chapters
 | |
|      * @param string $type
 | |
|      * @param Entity $entityModel
 | |
|      * @param array $input
 | |
|      * @return Entity
 | |
|      */
 | |
|     public function updateFromInput($type, Entity $entityModel, $input = [])
 | |
|     {
 | |
|         if ($entityModel->name !== $input['name']) {
 | |
|             $entityModel->slug = $this->findSuitableSlug($type, $input['name'], $entityModel->id);
 | |
|         }
 | |
|         $entityModel->fill($input);
 | |
|         $entityModel->updated_by = user()->id;
 | |
|         $entityModel->save();
 | |
|         $this->permissionService->buildJointPermissionsForEntity($entityModel);
 | |
|         $this->searchService->indexEntity($entityModel);
 | |
|         return $entityModel;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Change the book that an entity belongs to.
 | |
|      * @param string $type
 | |
|      * @param integer $newBookId
 | |
|      * @param Entity $entity
 | |
|      * @param bool $rebuildPermissions
 | |
|      * @return Entity
 | |
|      */
 | |
|     public function changeBook($type, $newBookId, Entity $entity, $rebuildPermissions = false)
 | |
|     {
 | |
|         $entity->book_id = $newBookId;
 | |
|         // Update related activity
 | |
|         foreach ($entity->activity as $activity) {
 | |
|             $activity->book_id = $newBookId;
 | |
|             $activity->save();
 | |
|         }
 | |
|         $entity->slug = $this->findSuitableSlug($type, $entity->name, $entity->id, $newBookId);
 | |
|         $entity->save();
 | |
| 
 | |
|         // Update all child pages if a chapter
 | |
|         if (strtolower($type) === 'chapter') {
 | |
|             foreach ($entity->pages as $page) {
 | |
|                 $this->changeBook('page', $newBookId, $page, false);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Update permissions if applicable
 | |
|         if ($rebuildPermissions) {
 | |
|             $entity->load('book');
 | |
|             $this->permissionService->buildJointPermissionsForEntity($entity->book);
 | |
|         }
 | |
| 
 | |
|         return $entity;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Alias method to update the book jointPermissions in the PermissionService.
 | |
|      * @param Book $book
 | |
|      */
 | |
|     public function buildJointPermissionsForBook(Book $book)
 | |
|     {
 | |
|         $this->permissionService->buildJointPermissionsForEntity($book);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Format a name as a url slug.
 | |
|      * @param $name
 | |
|      * @return string
 | |
|      */
 | |
|     protected function nameToSlug($name)
 | |
|     {
 | |
|         $slug = preg_replace('/[\+\/\\\?\@\}\{\.\,\=\[\]\#\&\!\*\'\;\:\$\%]/', '', mb_strtolower($name));
 | |
|         $slug = preg_replace('/\s{2,}/', ' ', $slug);
 | |
|         $slug = str_replace(' ', '-', $slug);
 | |
|         if ($slug === "") {
 | |
|             $slug = substr(md5(rand(1, 500)), 0, 5);
 | |
|         }
 | |
|         return $slug;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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 publishPageDraft(Page $draftPage, array $input)
 | |
|     {
 | |
|         $draftPage->fill($input);
 | |
| 
 | |
|         // Save page tags if present
 | |
|         if (isset($input['tags'])) {
 | |
|             $this->tagRepo->saveTagsToEntity($draftPage, $input['tags']);
 | |
|         }
 | |
| 
 | |
|         $draftPage->slug = $this->findSuitableSlug('page', $draftPage->name, false, $draftPage->book->id);
 | |
|         $draftPage->html = $this->formatHtml($input['html']);
 | |
|         $draftPage->text = $this->pageToPlainText($draftPage);
 | |
|         $draftPage->draft = false;
 | |
|         $draftPage->revision_count = 1;
 | |
| 
 | |
|         $draftPage->save();
 | |
|         $this->savePageRevision($draftPage, trans('entities.pages_initial_revision'));
 | |
|         $this->searchService->indexEntity($draftPage);
 | |
|         return $draftPage;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Saves a page revision into the system.
 | |
|      * @param Page $page
 | |
|      * @param null|string $summary
 | |
|      * @return PageRevision
 | |
|      */
 | |
|     public function savePageRevision(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->revision_number = $page->revision_count;
 | |
|         $revision->save();
 | |
| 
 | |
|         // Clear old revisions
 | |
|         if ($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;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Formats a page's html to be tagged correctly
 | |
|      * within the system.
 | |
|      * @param string $htmlText
 | |
|      * @return string
 | |
|      */
 | |
|     protected function formatHtml($htmlText)
 | |
|     {
 | |
|         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;
 | |
|         }
 | |
| 
 | |
|         // Generate inner html as a string
 | |
|         $html = '';
 | |
|         foreach ($childNodes as $childNode) {
 | |
|             $html .= $doc->saveHTML($childNode);
 | |
|         }
 | |
| 
 | |
|         return $html;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Render the page for viewing, Parsing and performing features such as page transclusion.
 | |
|      * @param Page $page
 | |
|      * @param bool $ignorePermissions
 | |
|      * @return mixed|string
 | |
|      */
 | |
|     public function renderPage(Page $page, $ignorePermissions = false)
 | |
|     {
 | |
|         $content = $page->html;
 | |
|         $matches = [];
 | |
|         preg_match_all("/{{@\s?([0-9].*?)}}/", $content, $matches);
 | |
|         if (count($matches[0]) === 0) {
 | |
|             return $content;
 | |
|         }
 | |
| 
 | |
|         $topLevelTags = ['table', 'ul', 'ol'];
 | |
|         foreach ($matches[1] as $index => $includeId) {
 | |
|             $splitInclude = explode('#', $includeId, 2);
 | |
|             $pageId = intval($splitInclude[0]);
 | |
|             if (is_nan($pageId)) {
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $matchedPage = $this->getById('page', $pageId, false, $ignorePermissions);
 | |
|             if ($matchedPage === null) {
 | |
|                 $content = str_replace($matches[0][$index], '', $content);
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             if (count($splitInclude) === 1) {
 | |
|                 $content = str_replace($matches[0][$index], $matchedPage->html, $content);
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $doc = new DOMDocument();
 | |
|             $doc->loadHTML(mb_convert_encoding('<body>'.$matchedPage->html.'</body>', 'HTML-ENTITIES', 'UTF-8'));
 | |
|             $matchingElem = $doc->getElementById($splitInclude[1]);
 | |
|             if ($matchingElem === null) {
 | |
|                 $content = str_replace($matches[0][$index], '', $content);
 | |
|                 continue;
 | |
|             }
 | |
|             $innerContent = '';
 | |
|             $isTopLevel = in_array(strtolower($matchingElem->nodeName), $topLevelTags);
 | |
|             if ($isTopLevel) {
 | |
|                 $innerContent .= $doc->saveHTML($matchingElem);
 | |
|             } else {
 | |
|                 foreach ($matchingElem->childNodes as $childNode) {
 | |
|                     $innerContent .= $doc->saveHTML($childNode);
 | |
|                 }
 | |
|             }
 | |
|             $content = str_replace($matches[0][$index], trim($innerContent), $content);
 | |
|         }
 | |
| 
 | |
|         return $content;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Get the plain text version of a page's content.
 | |
|      * @param Page $page
 | |
|      * @return string
 | |
|      */
 | |
|     public function pageToPlainText(Page $page)
 | |
|     {
 | |
|         $html = $this->renderPage($page);
 | |
|         return strip_tags($html);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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);
 | |
|         $page = $this->page->find($page->id);
 | |
|         $this->permissionService->buildJointPermissionsForEntity($page);
 | |
|         return $page;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Search for image usage within page content.
 | |
|      * @param $imageString
 | |
|      * @return mixed
 | |
|      */
 | |
|     public function searchForImage($imageString)
 | |
|     {
 | |
|         $pages = $this->entityQuery('page')->where('html', 'like', '%' . $imageString . '%')->get();
 | |
|         foreach ($pages as $page) {
 | |
|             $page->url = $page->getUrl();
 | |
|             $page->html = '';
 | |
|             $page->text = '';
 | |
|         }
 | |
|         return count($pages) > 0 ? $pages : false;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Parse the headers on the page to get a navigation menu
 | |
|      * @param String $pageContent
 | |
|      * @return array
 | |
|      */
 | |
|     public function getPageNav($pageContent)
 | |
|     {
 | |
|         if ($pageContent == '') {
 | |
|             return [];
 | |
|         }
 | |
|         libxml_use_internal_errors(true);
 | |
|         $doc = new DOMDocument();
 | |
|         $doc->loadHTML(mb_convert_encoding($pageContent, 'HTML-ENTITIES', 'UTF-8'));
 | |
|         $xPath = new DOMXPath($doc);
 | |
|         $headers = $xPath->query("//h1|//h2|//h3|//h4|//h5|//h6");
 | |
| 
 | |
|         if (is_null($headers)) {
 | |
|             return [];
 | |
|         }
 | |
| 
 | |
|         $tree = collect([]);
 | |
|         foreach ($headers as $header) {
 | |
|             $text = $header->nodeValue;
 | |
|             $tree->push([
 | |
|                 'nodeName' => strtolower($header->nodeName),
 | |
|                 'level' => intval(str_replace('h', '', $header->nodeName)),
 | |
|                 'link' => '#' . $header->getAttribute('id'),
 | |
|                 'text' => strlen($text) > 30 ? substr($text, 0, 27) . '...' : $text
 | |
|             ]);
 | |
|         }
 | |
| 
 | |
|         // Normalise headers if only smaller headers have been used
 | |
|         if (count($tree) > 0) {
 | |
|             $minLevel = $tree->pluck('level')->min();
 | |
|             $tree = $tree->map(function ($header) use ($minLevel) {
 | |
|                 $header['level'] -= ($minLevel - 2);
 | |
|                 return $header;
 | |
|             });
 | |
|         }
 | |
|         return $tree->toArray();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Updates a page with any fillable data and saves it into the database.
 | |
|      * @param Page $page
 | |
|      * @param int $book_id
 | |
|      * @param array $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('page', $input['name'], $page->id, $book_id);
 | |
|         }
 | |
| 
 | |
|         // Save page tags if present
 | |
|         if (isset($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 = $this->pageToPlainText($page);
 | |
|         if (setting('app-editor') !== 'markdown') {
 | |
|             $page->markdown = '';
 | |
|         }
 | |
|         $page->updated_by = $userId;
 | |
|         $page->revision_count++;
 | |
|         $page->save();
 | |
| 
 | |
|         // Remove all update drafts for this user & page.
 | |
|         $this->userUpdatePageDraftsQuery($page, $userId)->delete();
 | |
| 
 | |
|         // Save a revision after updating
 | |
|         if ($oldHtml !== $input['html'] || $oldName !== $input['name'] || $input['summary'] !== null) {
 | |
|             $this->savePageRevision($page, $input['summary']);
 | |
|         }
 | |
| 
 | |
|         $this->searchService->indexEntity($page);
 | |
| 
 | |
|         return $page;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * The base query for getting user update drafts.
 | |
|      * @param Page $page
 | |
|      * @param $userId
 | |
|      * @return mixed
 | |
|      */
 | |
|     protected function userUpdatePageDraftsQuery(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 $this->userUpdatePageDraftsQuery($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 $this->userUpdatePageDraftsQuery($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;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * A query to check for active update drafts on a particular page.
 | |
|      * @param Page $page
 | |
|      * @param null $minRange
 | |
|      * @return mixed
 | |
|      */
 | |
|     protected 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;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Restores a revision's content back into a page.
 | |
|      * @param Page $page
 | |
|      * @param Book $book
 | |
|      * @param  int $revisionId
 | |
|      * @return Page
 | |
|      */
 | |
|     public function restorePageRevision(Page $page, Book $book, $revisionId)
 | |
|     {
 | |
|         $page->revision_count++;
 | |
|         $this->savePageRevision($page);
 | |
|         $revision = $page->revisions()->where('id', '=', $revisionId)->first();
 | |
|         $page->fill($revision->toArray());
 | |
|         $page->slug = $this->findSuitableSlug('page', $page->name, $page->id, $book->id);
 | |
|         $page->text = $this->pageToPlainText($page);
 | |
|         $page->updated_by = user()->id;
 | |
|         $page->save();
 | |
|         $this->searchService->indexEntity($page);
 | |
|         return $page;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Save a page update draft.
 | |
|      * @param Page $page
 | |
|      * @param array $data
 | |
|      * @return PageRevision|Page
 | |
|      */
 | |
|     public function updatePageDraft(Page $page, $data = [])
 | |
|     {
 | |
|         // If the page itself is a draft simply update that
 | |
|         if ($page->draft) {
 | |
|             $page->fill($data);
 | |
|             if (isset($data['html'])) {
 | |
|                 $page->text = $this->pageToPlainText($page);
 | |
|             }
 | |
|             $page->save();
 | |
|             return $page;
 | |
|         }
 | |
| 
 | |
|         // Otherwise save the data to a revision
 | |
|         $userId = user()->id;
 | |
|         $drafts = $this->userUpdatePageDraftsQuery($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;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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]);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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;
 | |
|         $page->save();
 | |
|         if ($page->book->id !== $book->id) {
 | |
|             $page = $this->changeBook('page', $book->id, $page);
 | |
|         }
 | |
|         $page->load('book');
 | |
|         $this->permissionService->buildJointPermissionsForEntity($book);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Destroy the provided book and all its child entities.
 | |
|      * @param Book $book
 | |
|      */
 | |
|     public function destroyBook(Book $book)
 | |
|     {
 | |
|         foreach ($book->pages as $page) {
 | |
|             $this->destroyPage($page);
 | |
|         }
 | |
|         foreach ($book->chapters as $chapter) {
 | |
|             $this->destroyChapter($chapter);
 | |
|         }
 | |
|         \Activity::removeEntity($book);
 | |
|         $book->views()->delete();
 | |
|         $book->permissions()->delete();
 | |
|         $this->permissionService->deleteJointPermissionsForEntity($book);
 | |
|         $this->searchService->deleteEntityTerms($book);
 | |
|         $book->delete();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Destroy a chapter and its relations.
 | |
|      * @param Chapter $chapter
 | |
|      */
 | |
|     public function destroyChapter(Chapter $chapter)
 | |
|     {
 | |
|         if (count($chapter->pages) > 0) {
 | |
|             foreach ($chapter->pages as $page) {
 | |
|                 $page->chapter_id = 0;
 | |
|                 $page->save();
 | |
|             }
 | |
|         }
 | |
|         \Activity::removeEntity($chapter);
 | |
|         $chapter->views()->delete();
 | |
|         $chapter->permissions()->delete();
 | |
|         $this->permissionService->deleteJointPermissionsForEntity($chapter);
 | |
|         $this->searchService->deleteEntityTerms($chapter);
 | |
|         $chapter->delete();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Destroy a given page along with its dependencies.
 | |
|      * @param Page $page
 | |
|      * @throws NotifyException
 | |
|      */
 | |
|     public function destroyPage(Page $page)
 | |
|     {
 | |
|         \Activity::removeEntity($page);
 | |
|         $page->views()->delete();
 | |
|         $page->tags()->delete();
 | |
|         $page->revisions()->delete();
 | |
|         $page->permissions()->delete();
 | |
|         $this->permissionService->deleteJointPermissionsForEntity($page);
 | |
|         $this->searchService->deleteEntityTerms($page);
 | |
| 
 | |
|         // Check if set as custom homepage
 | |
|         $customHome = setting('app-homepage', '0:');
 | |
|         if (intval($page->id) === intval(explode(':', $customHome)[0])) {
 | |
|             throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
 | |
|         }
 | |
| 
 | |
|         // Delete Attached Files
 | |
|         $attachmentService = app(AttachmentService::class);
 | |
|         foreach ($page->attachments as $attachment) {
 | |
|             $attachmentService->deleteFile($attachment);
 | |
|         }
 | |
| 
 | |
|         $page->delete();
 | |
|     }
 | |
| }
 |