X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/4ad4dfa55ae75e3e4ebd0537a44c5d0c758636cc..898cedf5362a43afcee85cf24c8352240cb54690:/app/Entities/Repos/EntityRepo.php

diff --git a/app/Entities/Repos/EntityRepo.php b/app/Entities/Repos/EntityRepo.php
index 0dd0fbb0a..e69de29bb 100644
--- a/app/Entities/Repos/EntityRepo.php
+++ b/app/Entities/Repos/EntityRepo.php
@@ -1,854 +0,0 @@
-<?php namespace BookStack\Entities\Repos;
-
-use Activity;
-use BookStack\Actions\TagRepo;
-use BookStack\Actions\ViewService;
-use BookStack\Auth\Permissions\PermissionService;
-use BookStack\Auth\User;
-use BookStack\Entities\Book;
-use BookStack\Entities\BookChild;
-use BookStack\Entities\Bookshelf;
-use BookStack\Entities\Chapter;
-use BookStack\Entities\Entity;
-use BookStack\Entities\EntityProvider;
-use BookStack\Entities\Page;
-use BookStack\Entities\SearchService;
-use BookStack\Exceptions\NotFoundException;
-use BookStack\Exceptions\NotifyException;
-use BookStack\Uploads\AttachmentService;
-use DOMDocument;
-use DOMXPath;
-use Illuminate\Contracts\Pagination\LengthAwarePaginator;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Query\Builder as QueryBuilder;
-use Illuminate\Http\Request;
-use Illuminate\Support\Collection;
-use Throwable;
-
-class EntityRepo
-{
-
-    /**
-     * @var EntityProvider
-     */
-    protected $entityProvider;
-
-    /**
-     * @var PermissionService
-     */
-    protected $permissionService;
-
-    /**
-     * @var ViewService
-     */
-    protected $viewService;
-
-    /**
-     * @var TagRepo
-     */
-    protected $tagRepo;
-
-    /**
-     * @var SearchService
-     */
-    protected $searchService;
-
-    /**
-     * EntityRepo constructor.
-     * @param EntityProvider $entityProvider
-     * @param ViewService $viewService
-     * @param PermissionService $permissionService
-     * @param TagRepo $tagRepo
-     * @param SearchService $searchService
-     */
-    public function __construct(
-        EntityProvider $entityProvider,
-        ViewService $viewService,
-        PermissionService $permissionService,
-        TagRepo $tagRepo,
-        SearchService $searchService
-    ) {
-        $this->entityProvider = $entityProvider;
-        $this->viewService = $viewService;
-        $this->permissionService = $permissionService;
-        $this->tagRepo = $tagRepo;
-        $this->searchService = $searchService;
-    }
-
-    /**
-     * Base query for searching entities via permission system
-     * @param string $type
-     * @param bool $allowDrafts
-     * @param string $permission
-     * @return QueryBuilder
-     */
-    protected function entityQuery($type, $allowDrafts = false, $permission = 'view')
-    {
-        $q = $this->permissionService->enforceEntityRestrictions($type, $this->entityProvider->get($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)
-    {
-        $query = $this->entityQuery($type, $allowDrafts);
-
-        if ($ignorePermissions) {
-            $query = $this->entityProvider->get($type)->newQuery();
-        }
-
-        return $query->find($id);
-    }
-
-    /**
-     * @param string $type
-     * @param []int $ids
-     * @param bool $allowDrafts
-     * @param bool $ignorePermissions
-     * @return Builder[]|\Illuminate\Database\Eloquent\Collection|Collection
-     */
-    public function getManyById($type, $ids, $allowDrafts = false, $ignorePermissions = false)
-    {
-        $query = $this->entityQuery($type, $allowDrafts);
-
-        if ($ignorePermissions) {
-            $query = $this->entityProvider->get($type)->newQuery();
-        }
-
-        return $query->whereIn('id', $ids)->get();
-    }
-
-    /**
-     * Get an entity by its url slug.
-     * @param string $type
-     * @param string $slug
-     * @param string|null $bookSlug
-     * @return Entity
-     * @throws NotFoundException
-     */
-    public function getEntityBySlug(string $type, string $slug, string $bookSlug = null): Entity
-    {
-        $type = strtolower($type);
-        $query = $this->entityQuery($type)->where('slug', '=', $slug);
-
-        if ($type === 'chapter' || $type === 'page') {
-            $query = $query->where('book_id', '=', function (QueryBuilder $query) use ($bookSlug) {
-                $query->select('id')
-                    ->from($this->entityProvider->book->getTable())
-                    ->where('slug', '=', $bookSlug)->limit(1);
-            });
-        }
-
-        $entity = $query->first();
-
-        if ($entity === null) {
-            throw new NotFoundException(trans('errors.' . $type . '_not_found'));
-        }
-
-        return $entity;
-    }
-
-
-    /**
-     * 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
-     * @param string $sort
-     * @param string $order
-     * @param null|callable $queryAddition
-     * @return LengthAwarePaginator
-     */
-    public function getAllPaginated($type, int $count = 10, string $sort = 'name', string $order = 'asc', $queryAddition = null)
-    {
-        $query = $this->entityQuery($type);
-        $query = $this->addSortToQuery($query, $sort, $order);
-        if ($queryAddition) {
-            $queryAddition($query);
-        }
-        return $query->paginate($count);
-    }
-
-    /**
-     * Add sorting operations to an entity query.
-     * @param Builder $query
-     * @param string $sort
-     * @param string $order
-     * @return Builder
-     */
-    protected function addSortToQuery(Builder $query, string $sort = 'name', string $order = 'asc')
-    {
-        $order = ($order === 'asc') ? 'asc' : 'desc';
-        $propertySorts = ['name', 'created_at', 'updated_at'];
-
-        if (in_array($sort, $propertySorts)) {
-            return $query->orderBy($sort, $order);
-        }
-
-        return $query;
-    }
-
-    /**
-     * 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, $this->entityProvider->get($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, $this->entityProvider->get($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 : $this->entityProvider->get($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 $type
-     * @param int $count
-     * @param int $page
-     * @return mixed
-     */
-    public function getPopular(string $type, int $count = 10, int $page = 0)
-    {
-        return $this->viewService->getPopular($count, $page, $type);
-    }
-
-    /**
-     * Get draft pages owned by the current user.
-     * @param int $count
-     * @param int $page
-     * @return Collection
-     */
-    public function getUserDraftPages($count = 20, $page = 0)
-    {
-        return $this->entityProvider->page->where('draft', '=', true)
-            ->where('created_by', '=', user()->id)
-            ->orderBy('updated_at', 'desc')
-            ->skip($count * $page)->take($count)->get();
-    }
-
-    /**
-     * Get the number of entities the given user has created.
-     * @param string $type
-     * @param User $user
-     * @return int
-     */
-    public function getUserTotalCreated(string $type, User $user)
-    {
-        return $this->entityProvider->get($type)
-            ->where('created_by', '=', $user->id)->count();
-    }
-
-    /**
-     * Get the child items for a chapter sorted by priority but
-     * with draft items floated to the top.
-     * @param Bookshelf $bookshelf
-     * @return \Illuminate\Database\Eloquent\Collection|static[]
-     */
-    public function getBookshelfChildren(Bookshelf $bookshelf)
-    {
-        return $this->permissionService->enforceEntityRestrictions('book', $bookshelf->books())->get();
-    }
-
-    /**
-     * Get the direct children of a book.
-     * @param Book $book
-     * @return \Illuminate\Database\Eloquent\Collection
-     */
-    public function getBookDirectChildren(Book $book)
-    {
-        $pages = $this->permissionService->enforceEntityRestrictions('page', $book->directPages())->get();
-        $chapters = $this->permissionService->enforceEntityRestrictions('chapters', $book->chapters())->get();
-        return collect()->concat($pages)->concat($chapters)->sortBy('priority')->sortByDesc('draft');
-    }
-
-    /**
-     * 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 ===  $this->entityProvider->page->getMorphClass()) {
-                $entities[$index] = $this->entityProvider->page->newFromBuilder($rawEntity);
-                if ($renderPages) {
-                    $entities[$index]->html = $rawEntity->html;
-                    $entities[$index]->html = $this->renderPage($entities[$index]);
-                };
-            } else if ($rawEntity->entity_type === $this->entityProvider->chapter->getMorphClass()) {
-                $entities[$index] = $this->entityProvider->chapter->newFromBuilder($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 = $this->entityProvider->chapter->getMorphClass() . ':' . $entity->chapter_id;
-            if (!isset($parents[$parentKey])) {
-                $tree[] = $entity;
-                continue;
-            }
-            $chapter = $parents[$parentKey];
-            $chapter->pages->push($entity);
-        }
-
-        return collect($tree);
-    }
-
-
-    /**
-     * Get the bookshelves that a book is contained in.
-     * @param Book $book
-     * @return \Illuminate\Database\Eloquent\Collection|static[]
-     */
-    public function getBookParentShelves(Book $book)
-    {
-        return $this->permissionService->enforceEntityRestrictions('shelf', $book->shelves())->get();
-    }
-
-    /**
-     * 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;
-    }
-
-
-    /**
-     * Updates entity restrictions from a request
-     * @param Request $request
-     * @param Entity $entity
-     * @throws Throwable
-     */
-    public function updateEntityPermissionsFromRequest(Request $request, Entity $entity)
-    {
-        $entity->restricted = $request->get('restricted', '') === 'true';
-        $entity->permissions()->delete();
-
-        if ($request->filled('restrictions')) {
-            $entityPermissionData = collect($request->get('restrictions'))->flatMap(function($restrictions, $roleId) {
-                return collect($restrictions)->keys()->map(function($action) use ($roleId) {
-                    return [
-                        'role_id' => $roleId,
-                        'action' => strtolower($action),
-                    ] ;
-                });
-            });
-
-            $entity->permissions()->createMany($entityPermissionData);
-        }
-
-        $entity->save();
-        $entity->rebuildPermissions();
-    }
-
-
-    /**
-     * Create a new entity from request input.
-     * Used for books and chapters.
-     * @param string $type
-     * @param array $input
-     * @param Book|null $book
-     * @return Entity
-     */
-    public function createFromInput(string $type, array $input = [], Book $book = null)
-    {
-        $entityModel = $this->entityProvider->get($type)->newInstance($input);
-        $entityModel->created_by = user()->id;
-        $entityModel->updated_by = user()->id;
-
-        if ($book) {
-            $entityModel->book_id = $book->id;
-        }
-
-        $entityModel->refreshSlug();
-        $entityModel->save();
-
-        if (isset($input['tags'])) {
-            $this->tagRepo->saveTagsToEntity($entityModel, $input['tags']);
-        }
-
-        $entityModel->rebuildPermissions();
-        $this->searchService->indexEntity($entityModel);
-        return $entityModel;
-    }
-
-    /**
-     * Update entity details from request input.
-     * Used for shelves, books and chapters.
-     */
-    public function updateFromInput(Entity $entityModel, array $input): Entity
-    {
-        $entityModel->fill($input);
-        $entityModel->updated_by = user()->id;
-
-        if ($entityModel->isDirty('name')) {
-            $entityModel->refreshSlug();
-        }
-
-        $entityModel->save();
-
-        if (isset($input['tags'])) {
-            $this->tagRepo->saveTagsToEntity($entityModel, $input['tags']);
-        }
-
-        $entityModel->rebuildPermissions();
-        $this->searchService->indexEntity($entityModel);
-        return $entityModel;
-    }
-
-    /**
-     * Sync the books assigned to a shelf from a comma-separated list
-     * of book IDs.
-     * @param Bookshelf $shelf
-     * @param string $books
-     */
-    public function updateShelfBooks(Bookshelf $shelf, string $books)
-    {
-        $ids = explode(',', $books);
-
-        // Check books exist and match ordering
-        $bookIds = $this->entityQuery('book')->whereIn('id', $ids)->get(['id'])->pluck('id');
-        $syncData = [];
-        foreach ($ids as $index => $id) {
-            if ($bookIds->contains($id)) {
-                $syncData[$id] = ['order' => $index];
-            }
-        }
-
-        $shelf->books()->sync($syncData);
-    }
-
-    /**
-     * Change the book that an entity belongs to.
-     */
-    public function changeBook(BookChild $bookChild, int $newBookId): Entity
-    {
-        $bookChild->book_id = $newBookId;
-        $bookChild->refreshSlug();
-        $bookChild->save();
-
-        // Update related activity
-        $bookChild->activity()->update(['book_id' => $newBookId]);
-
-        // Update all child pages if a chapter
-        if ($bookChild->isA('chapter')) {
-            foreach ($bookChild->pages as $page) {
-                $this->changeBook($page, $newBookId);
-            }
-        }
-
-        return $bookChild;
-    }
-
-    /**
-     * Render the page for viewing
-     * @param Page $page
-     * @param bool $blankIncludes
-     * @return string
-     */
-    public function renderPage(Page $page, bool $blankIncludes = false) : string
-    {
-        $content = $page->html;
-
-        if (!config('app.allow_content_scripts')) {
-            $content = $this->escapeScripts($content);
-        }
-
-        if ($blankIncludes) {
-            $content = $this->blankPageIncludes($content);
-        } else {
-            $content = $this->parsePageIncludes($content);
-        }
-
-        return $content;
-    }
-
-    /**
-     * Remove any page include tags within the given HTML.
-     * @param string $html
-     * @return string
-     */
-    protected function blankPageIncludes(string $html) : string
-    {
-        return preg_replace("/{{@\s?([0-9].*?)}}/", '', $html);
-    }
-
-    /**
-     * Parse any include tags "{{@<page_id>#section}}" to be part of the page.
-     * @param string $html
-     * @return mixed|string
-     */
-    protected function parsePageIncludes(string $html) : string
-    {
-        $matches = [];
-        preg_match_all("/{{@\s?([0-9].*?)}}/", $html, $matches);
-
-        $topLevelTags = ['table', 'ul', 'ol'];
-        foreach ($matches[1] as $index => $includeId) {
-            $splitInclude = explode('#', $includeId, 2);
-            $pageId = intval($splitInclude[0]);
-            if (is_nan($pageId)) {
-                continue;
-            }
-
-            $matchedPage = $this->getById('page', $pageId);
-            if ($matchedPage === null) {
-                $html = str_replace($matches[0][$index], '', $html);
-                continue;
-            }
-
-            if (count($splitInclude) === 1) {
-                $html = str_replace($matches[0][$index], $matchedPage->html, $html);
-                continue;
-            }
-
-            $doc = new DOMDocument();
-            libxml_use_internal_errors(true);
-            $doc->loadHTML(mb_convert_encoding('<body>'.$matchedPage->html.'</body>', 'HTML-ENTITIES', 'UTF-8'));
-            $matchingElem = $doc->getElementById($splitInclude[1]);
-            if ($matchingElem === null) {
-                $html = str_replace($matches[0][$index], '', $html);
-                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);
-                }
-            }
-            libxml_clear_errors();
-            $html = str_replace($matches[0][$index], trim($innerContent), $html);
-        }
-
-        return $html;
-    }
-
-    /**
-     * Escape script tags within HTML content.
-     * @param string $html
-     * @return string
-     */
-    protected function escapeScripts(string $html) : string
-    {
-        if ($html == '') {
-            return $html;
-        }
-
-        libxml_use_internal_errors(true);
-        $doc = new DOMDocument();
-        $doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'));
-        $xPath = new DOMXPath($doc);
-
-        // Remove standard script tags
-        $scriptElems = $xPath->query('//script');
-        foreach ($scriptElems as $scriptElem) {
-            $scriptElem->parentNode->removeChild($scriptElem);
-        }
-
-        // Remove data or JavaScript iFrames
-        $badIframes = $xPath->query('//*[contains(@src, \'data:\')] | //*[contains(@src, \'javascript:\')] | //*[@srcdoc]');
-        foreach ($badIframes as $badIframe) {
-            $badIframe->parentNode->removeChild($badIframe);
-        }
-
-        // Remove 'on*' attributes
-        $onAttributes = $xPath->query('//@*[starts-with(name(), \'on\')]');
-        foreach ($onAttributes as $attr) {
-            /** @var \DOMAttr $attr*/
-            $attrName = $attr->nodeName;
-            $attr->parentNode->removeAttribute($attrName);
-        }
-
-        $html = '';
-        $topElems = $doc->documentElement->childNodes->item(0)->childNodes;
-        foreach ($topElems as $child) {
-            $html .= $doc->saveHTML($child);
-        }
-
-        return $html;
-    }
-
-    /**
-     * Search for image usage within page content.
-     * @param $imageString
-     * @return mixed
-     */
-    public function searchForImage($imageString)
-    {
-        $pages = $this->entityQuery('page')->where('html', 'like', '%' . $imageString . '%')->get(['id', 'name', 'slug', 'book_id']);
-        foreach ($pages as $page) {
-            $page->url = $page->getUrl();
-            $page->html = '';
-            $page->text = '';
-        }
-        return count($pages) > 0 ? $pages : false;
-    }
-
-    /**
-     * Destroy a bookshelf instance
-     * @param Bookshelf $shelf
-     * @throws Throwable
-     */
-    public function destroyBookshelf(Bookshelf $shelf)
-    {
-        $this->destroyEntityCommonRelations($shelf);
-        $shelf->delete();
-    }
-
-    /**
-     * Destroy a chapter and its relations.
-     * @param Chapter $chapter
-     * @throws Throwable
-     */
-    public function destroyChapter(Chapter $chapter)
-    {
-        if (count($chapter->pages) > 0) {
-            foreach ($chapter->pages as $page) {
-                $page->chapter_id = 0;
-                $page->save();
-            }
-        }
-        $this->destroyEntityCommonRelations($chapter);
-        $chapter->delete();
-    }
-
-    /**
-     * Destroy a given page along with its dependencies.
-     * @param Page $page
-     * @throws NotifyException
-     * @throws Throwable
-     */
-    public function destroyPage(Page $page)
-    {
-        // Check if set as custom homepage & remove setting if not used or throw error if active
-        $customHome = setting('app-homepage', '0:');
-        if (intval($page->id) === intval(explode(':', $customHome)[0])) {
-            if (setting('app-homepage-type') === 'page') {
-                throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
-            }
-            setting()->remove('app-homepage');
-        }
-
-        $this->destroyEntityCommonRelations($page);
-
-        // Delete Attached Files
-        $attachmentService = app(AttachmentService::class);
-        foreach ($page->attachments as $attachment) {
-            $attachmentService->deleteFile($attachment);
-        }
-
-        $page->delete();
-    }
-
-    /**
-     * Destroy or handle the common relations connected to an entity.
-     * @param Entity $entity
-     * @throws Throwable
-     */
-    protected function destroyEntityCommonRelations(Entity $entity)
-    {
-        Activity::removeEntity($entity);
-        $entity->views()->delete();
-        $entity->permissions()->delete();
-        $entity->tags()->delete();
-        $entity->comments()->delete();
-        $this->permissionService->deleteJointPermissionsForEntity($entity);
-        $this->searchService->deleteEntityTerms($entity);
-    }
-
-    /**
-     * Copy the permissions of a bookshelf to all child books.
-     * Returns the number of books that had permissions updated.
-     * @param Bookshelf $bookshelf
-     * @return int
-     * @throws Throwable
-     */
-    public function copyBookshelfPermissions(Bookshelf $bookshelf)
-    {
-        $shelfPermissions = $bookshelf->permissions()->get(['role_id', 'action'])->toArray();
-        $shelfBooks = $bookshelf->books()->get();
-        $updatedBookCount = 0;
-
-        /** @var Book $book */
-        foreach ($shelfBooks as $book) {
-            if (!userCan('restrictions-manage', $book)) {
-                continue;
-            }
-            $book->permissions()->delete();
-            $book->restricted = $bookshelf->restricted;
-            $book->permissions()->createMany($shelfPermissions);
-            $book->save();
-            $book->rebuildPermissions();
-            $updatedBookCount++;
-        }
-
-        return $updatedBookCount;
-    }
-}