mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-11-24 07:09:05 +08:00
1295 lines
42 KiB
PHP
1295 lines
42 KiB
PHP
<?php namespace BookStack\Entities;
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use BookStack\Actions\TagRepo;
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use BookStack\Actions\ViewService;
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use BookStack\Auth\Permissions\PermissionService;
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use BookStack\Auth\User;
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use BookStack\Exceptions\NotFoundException;
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use BookStack\Exceptions\NotifyException;
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use BookStack\Uploads\AttachmentService;
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use Carbon\Carbon;
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use DOMDocument;
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use DOMXPath;
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use Illuminate\Http\Request;
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use Illuminate\Support\Collection;
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class EntityRepo
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{
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/**
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* @var EntityProvider
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*/
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protected $entityProvider;
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/**
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* @var PermissionService
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*/
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protected $permissionService;
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/**
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* @var ViewService
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*/
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protected $viewService;
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/**
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* @var TagRepo
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*/
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protected $tagRepo;
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/**
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* @var SearchService
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*/
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protected $searchService;
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/**
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* EntityRepo constructor.
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* @param EntityProvider $entityProvider
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* @param ViewService $viewService
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* @param PermissionService $permissionService
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* @param TagRepo $tagRepo
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* @param SearchService $searchService
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*/
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public function __construct(
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EntityProvider $entityProvider,
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ViewService $viewService,
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PermissionService $permissionService,
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TagRepo $tagRepo,
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SearchService $searchService
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) {
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$this->entityProvider = $entityProvider;
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$this->viewService = $viewService;
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$this->permissionService = $permissionService;
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$this->tagRepo = $tagRepo;
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$this->searchService = $searchService;
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}
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/**
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* Base query for searching entities via permission system
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* @param string $type
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* @param bool $allowDrafts
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* @param string $permission
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* @return \Illuminate\Database\Query\Builder
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*/
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protected function entityQuery($type, $allowDrafts = false, $permission = 'view')
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{
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$q = $this->permissionService->enforceEntityRestrictions($type, $this->entityProvider->get($type), $permission);
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if (strtolower($type) === 'page' && !$allowDrafts) {
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$q = $q->where('draft', '=', false);
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}
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return $q;
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}
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/**
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* Check if an entity with the given id exists.
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* @param $type
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* @param $id
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* @return bool
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*/
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public function exists($type, $id)
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{
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return $this->entityQuery($type)->where('id', '=', $id)->exists();
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}
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/**
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* Get an entity by ID
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* @param string $type
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* @param integer $id
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* @param bool $allowDrafts
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* @param bool $ignorePermissions
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* @return \BookStack\Entities\Entity
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*/
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public function getById($type, $id, $allowDrafts = false, $ignorePermissions = false)
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{
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$query = $this->entityQuery($type, $allowDrafts);
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if ($ignorePermissions) {
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$query = $this->entityProvider->get($type)->newQuery();
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}
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return $query->find($id);
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}
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/**
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* @param string $type
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* @param []int $ids
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* @param bool $allowDrafts
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* @param bool $ignorePermissions
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* @return \Illuminate\Database\Eloquent\Builder[]|\Illuminate\Database\Eloquent\Collection|Collection
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*/
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public function getManyById($type, $ids, $allowDrafts = false, $ignorePermissions = false)
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{
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$query = $this->entityQuery($type, $allowDrafts);
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if ($ignorePermissions) {
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$query = $this->entityProvider->get($type)->newQuery();
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}
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return $query->whereIn('id', $ids)->get();
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}
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/**
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* Get an entity by its url slug.
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* @param string $type
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* @param string $slug
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* @param string|bool $bookSlug
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* @return \BookStack\Entities\Entity
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* @throws NotFoundException
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*/
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public function getBySlug($type, $slug, $bookSlug = false)
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{
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$q = $this->entityQuery($type)->where('slug', '=', $slug);
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if (strtolower($type) === 'chapter' || strtolower($type) === 'page') {
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$q = $q->where('book_id', '=', function ($query) use ($bookSlug) {
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$query->select('id')
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->from($this->entityProvider->book->getTable())
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->where('slug', '=', $bookSlug)->limit(1);
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});
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}
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$entity = $q->first();
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if ($entity === null) {
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throw new NotFoundException(trans('errors.' . strtolower($type) . '_not_found'));
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}
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return $entity;
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}
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/**
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* Search through page revisions and retrieve the last page in the
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* current book that has a slug equal to the one given.
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* @param string $pageSlug
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* @param string $bookSlug
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* @return null|Page
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*/
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public function getPageByOldSlug($pageSlug, $bookSlug)
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{
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$revision = $this->entityProvider->pageRevision->where('slug', '=', $pageSlug)
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->whereHas('page', function ($query) {
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$this->permissionService->enforceEntityRestrictions('page', $query);
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})
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->where('type', '=', 'version')
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->where('book_slug', '=', $bookSlug)
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->orderBy('created_at', 'desc')
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->with('page')->first();
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return $revision !== null ? $revision->page : null;
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}
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/**
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* Get all entities of a type with the given permission, limited by count unless count is false.
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* @param string $type
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* @param integer|bool $count
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* @param string $permission
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* @return Collection
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*/
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public function getAll($type, $count = 20, $permission = 'view')
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{
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$q = $this->entityQuery($type, false, $permission)->orderBy('name', 'asc');
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if ($count !== false) {
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$q = $q->take($count);
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}
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return $q->get();
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}
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/**
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* Get all entities in a paginated format
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* @param $type
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* @param int $count
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* @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
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*/
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public function getAllPaginated($type, $count = 10)
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{
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return $this->entityQuery($type)->orderBy('name', 'asc')->paginate($count);
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}
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/**
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* Get the most recently created entities of the given type.
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* @param string $type
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* @param int $count
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* @param int $page
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* @param bool|callable $additionalQuery
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* @return Collection
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*/
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public function getRecentlyCreated($type, $count = 20, $page = 0, $additionalQuery = false)
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{
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$query = $this->permissionService->enforceEntityRestrictions($type, $this->entityProvider->get($type))
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->orderBy('created_at', 'desc');
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if (strtolower($type) === 'page') {
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$query = $query->where('draft', '=', false);
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}
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if ($additionalQuery !== false && is_callable($additionalQuery)) {
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$additionalQuery($query);
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}
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return $query->skip($page * $count)->take($count)->get();
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}
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/**
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* Get the most recently updated entities of the given type.
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* @param string $type
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* @param int $count
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* @param int $page
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* @param bool|callable $additionalQuery
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* @return Collection
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*/
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public function getRecentlyUpdated($type, $count = 20, $page = 0, $additionalQuery = false)
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{
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$query = $this->permissionService->enforceEntityRestrictions($type, $this->entityProvider->get($type))
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->orderBy('updated_at', 'desc');
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if (strtolower($type) === 'page') {
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$query = $query->where('draft', '=', false);
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}
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if ($additionalQuery !== false && is_callable($additionalQuery)) {
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$additionalQuery($query);
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}
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return $query->skip($page * $count)->take($count)->get();
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}
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/**
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* Get the most recently viewed entities.
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* @param string|bool $type
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* @param int $count
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* @param int $page
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* @return mixed
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*/
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public function getRecentlyViewed($type, $count = 10, $page = 0)
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{
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$filter = is_bool($type) ? false : $this->entityProvider->get($type);
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return $this->viewService->getUserRecentlyViewed($count, $page, $filter);
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}
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/**
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* Get the latest pages added to the system with pagination.
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* @param string $type
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* @param int $count
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* @return mixed
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*/
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public function getRecentlyCreatedPaginated($type, $count = 20)
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{
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return $this->entityQuery($type)->orderBy('created_at', 'desc')->paginate($count);
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}
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/**
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* Get the latest pages added to the system with pagination.
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* @param string $type
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* @param int $count
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* @return mixed
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*/
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public function getRecentlyUpdatedPaginated($type, $count = 20)
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{
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return $this->entityQuery($type)->orderBy('updated_at', 'desc')->paginate($count);
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}
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/**
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* Get the most popular entities base on all views.
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* @param string|bool $type
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* @param int $count
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* @param int $page
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* @return mixed
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*/
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public function getPopular($type, $count = 10, $page = 0)
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{
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$filter = is_bool($type) ? false : $this->entityProvider->get($type);
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return $this->viewService->getPopular($count, $page, $filter);
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}
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/**
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* Get draft pages owned by the current user.
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* @param int $count
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* @param int $page
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* @return Collection
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*/
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public function getUserDraftPages($count = 20, $page = 0)
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{
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return $this->entityProvider->page->where('draft', '=', true)
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->where('created_by', '=', user()->id)
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->orderBy('updated_at', 'desc')
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->skip($count * $page)->take($count)->get();
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}
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/**
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* Get the number of entities the given user has created.
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* @param string $type
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* @param User $user
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* @return int
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*/
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public function getUserTotalCreated(string $type, User $user)
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{
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return $this->entityProvider->get($type)
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->where('created_by', '=', $user->id)->count();
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}
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/**
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* Get the child items for a chapter sorted by priority but
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* with draft items floated to the top.
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* @param \BookStack\Entities\Bookshelf $bookshelf
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* @return \Illuminate\Database\Eloquent\Collection|static[]
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*/
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public function getBookshelfChildren(Bookshelf $bookshelf)
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{
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return $this->permissionService->enforceEntityRestrictions('book', $bookshelf->books())->get();
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}
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/**
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* Get all child objects of a book.
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* Returns a sorted collection of Pages and Chapters.
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* Loads the book slug onto child elements to prevent access database access for getting the slug.
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* @param \BookStack\Entities\Book $book
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* @param bool $filterDrafts
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* @param bool $renderPages
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* @return mixed
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*/
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public function getBookChildren(Book $book, $filterDrafts = false, $renderPages = false)
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{
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$q = $this->permissionService->bookChildrenQuery($book->id, $filterDrafts, $renderPages)->get();
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$entities = [];
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$parents = [];
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$tree = [];
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foreach ($q as $index => $rawEntity) {
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if ($rawEntity->entity_type === $this->entityProvider->page->getMorphClass()) {
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$entities[$index] = $this->entityProvider->page->newFromBuilder($rawEntity);
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if ($renderPages) {
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$entities[$index]->html = $rawEntity->html;
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$entities[$index]->html = $this->renderPage($entities[$index]);
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};
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} else if ($rawEntity->entity_type === $this->entityProvider->chapter->getMorphClass()) {
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$entities[$index] = $this->entityProvider->chapter->newFromBuilder($rawEntity);
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$key = $entities[$index]->entity_type . ':' . $entities[$index]->id;
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$parents[$key] = $entities[$index];
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$parents[$key]->setAttribute('pages', collect());
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}
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if ($entities[$index]->chapter_id === 0 || $entities[$index]->chapter_id === '0') {
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$tree[] = $entities[$index];
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}
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$entities[$index]->book = $book;
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}
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foreach ($entities as $entity) {
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if ($entity->chapter_id === 0 || $entity->chapter_id === '0') {
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continue;
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}
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$parentKey = $this->entityProvider->chapter->getMorphClass() . ':' . $entity->chapter_id;
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if (!isset($parents[$parentKey])) {
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$tree[] = $entity;
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continue;
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}
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$chapter = $parents[$parentKey];
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$chapter->pages->push($entity);
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}
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return collect($tree);
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}
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/**
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* Get the child items for a chapter sorted by priority but
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* with draft items floated to the top.
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* @param \BookStack\Entities\Chapter $chapter
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* @return \Illuminate\Database\Eloquent\Collection|static[]
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*/
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public function getChapterChildren(Chapter $chapter)
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{
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return $this->permissionService->enforceEntityRestrictions('page', $chapter->pages())
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->orderBy('draft', 'DESC')->orderBy('priority', 'ASC')->get();
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}
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/**
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* Get the next sequential priority for a new child element in the given book.
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* @param \BookStack\Entities\Book $book
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* @return int
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*/
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public function getNewBookPriority(Book $book)
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{
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$lastElem = $this->getBookChildren($book)->pop();
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return $lastElem ? $lastElem->priority + 1 : 0;
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}
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/**
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* Get a new priority for a new page to be added to the given chapter.
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* @param \BookStack\Entities\Chapter $chapter
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* @return int
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*/
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public function getNewChapterPriority(Chapter $chapter)
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{
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$lastPage = $chapter->pages('DESC')->first();
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return $lastPage !== null ? $lastPage->priority + 1 : 0;
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}
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/**
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* Find a suitable slug for an entity.
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* @param string $type
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* @param string $name
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* @param bool|integer $currentId
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* @param bool|integer $bookId Only pass if type is not a book
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* @return string
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*/
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public function findSuitableSlug($type, $name, $currentId = false, $bookId = false)
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{
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$slug = $this->nameToSlug($name);
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while ($this->slugExists($type, $slug, $currentId, $bookId)) {
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$slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
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}
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return $slug;
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}
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/**
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* Check if a slug already exists in the database.
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* @param string $type
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* @param string $slug
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* @param bool|integer $currentId
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* @param bool|integer $bookId
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* @return bool
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*/
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protected function slugExists($type, $slug, $currentId = false, $bookId = false)
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{
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$query = $this->entityProvider->get($type)->where('slug', '=', $slug);
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if (strtolower($type) === 'page' || strtolower($type) === 'chapter') {
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$query = $query->where('book_id', '=', $bookId);
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}
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if ($currentId) {
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$query = $query->where('id', '!=', $currentId);
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}
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return $query->count() > 0;
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}
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/**
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* Updates entity restrictions from a request
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* @param Request $request
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* @param \BookStack\Entities\Entity $entity
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* @throws \Throwable
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*/
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public function updateEntityPermissionsFromRequest(Request $request, Entity $entity)
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{
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$entity->restricted = $request->get('restricted', '') === 'true';
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$entity->permissions()->delete();
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if ($request->filled('restrictions')) {
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foreach ($request->get('restrictions') as $roleId => $restrictions) {
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foreach ($restrictions as $action => $value) {
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$entity->permissions()->create([
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'role_id' => $roleId,
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'action' => strtolower($action)
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]);
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}
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}
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}
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$entity->save();
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$this->permissionService->buildJointPermissionsForEntity($entity);
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}
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/**
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* Create a new entity from request input.
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* Used for books and chapters.
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* @param string $type
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* @param array $input
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* @param bool|Book $book
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* @return \BookStack\Entities\Entity
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*/
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public function createFromInput($type, $input = [], $book = false)
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{
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$isChapter = strtolower($type) === 'chapter';
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$entityModel = $this->entityProvider->get($type)->newInstance($input);
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$entityModel->slug = $this->findSuitableSlug($type, $entityModel->name, false, $isChapter ? $book->id : false);
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$entityModel->created_by = user()->id;
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$entityModel->updated_by = user()->id;
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$isChapter ? $book->chapters()->save($entityModel) : $entityModel->save();
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if (isset($input['tags'])) {
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$this->tagRepo->saveTagsToEntity($entityModel, $input['tags']);
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}
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$this->permissionService->buildJointPermissionsForEntity($entityModel);
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$this->searchService->indexEntity($entityModel);
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return $entityModel;
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}
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/**
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* Update entity details from request input.
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* Used for books and chapters
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* @param string $type
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* @param \BookStack\Entities\Entity $entityModel
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* @param array $input
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* @return \BookStack\Entities\Entity
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*/
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public function updateFromInput($type, Entity $entityModel, $input = [])
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{
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if ($entityModel->name !== $input['name']) {
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$entityModel->slug = $this->findSuitableSlug($type, $input['name'], $entityModel->id);
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}
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$entityModel->fill($input);
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$entityModel->updated_by = user()->id;
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$entityModel->save();
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if (isset($input['tags'])) {
|
|
$this->tagRepo->saveTagsToEntity($entityModel, $input['tags']);
|
|
}
|
|
|
|
$this->permissionService->buildJointPermissionsForEntity($entityModel);
|
|
$this->searchService->indexEntity($entityModel);
|
|
return $entityModel;
|
|
}
|
|
|
|
/**
|
|
* Sync the books assigned to a shelf from a comma-separated list
|
|
* of book IDs.
|
|
* @param \BookStack\Entities\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.
|
|
* @param string $type
|
|
* @param integer $newBookId
|
|
* @param Entity $entity
|
|
* @param bool $rebuildPermissions
|
|
* @return \BookStack\Entities\Entity
|
|
*/
|
|
public function changeBook($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;
|
|
}
|
|
|
|
/**
|
|
* Get a new draft page instance.
|
|
* @param Book $book
|
|
* @param Chapter|bool $chapter
|
|
* @return \BookStack\Entities\Page
|
|
*/
|
|
public function getDraftPage(Book $book, $chapter = false)
|
|
{
|
|
$page = $this->entityProvider->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 = $this->entityProvider->page->find($page->id);
|
|
$this->permissionService->buildJointPermissionsForEntity($page);
|
|
return $page;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* Create a copy of a page in a new location with a new name.
|
|
* @param \BookStack\Entities\Page $page
|
|
* @param \BookStack\Entities\Entity $newParent
|
|
* @param string $newName
|
|
* @return \BookStack\Entities\Page
|
|
*/
|
|
public function copyPage(Page $page, Entity $newParent, $newName = '')
|
|
{
|
|
$newBook = $newParent->isA('book') ? $newParent : $newParent->book;
|
|
$newChapter = $newParent->isA('chapter') ? $newParent : null;
|
|
$copyPage = $this->getDraftPage($newBook, $newChapter);
|
|
$pageData = $page->getAttributes();
|
|
|
|
// Update name
|
|
if (!empty($newName)) {
|
|
$pageData['name'] = $newName;
|
|
}
|
|
|
|
// Copy tags from previous page if set
|
|
if ($page->tags) {
|
|
$pageData['tags'] = [];
|
|
foreach ($page->tags as $tag) {
|
|
$pageData['tags'][] = ['name' => $tag->name, 'value' => $tag->value];
|
|
}
|
|
}
|
|
|
|
// Set priority
|
|
if ($newParent->isA('chapter')) {
|
|
$pageData['priority'] = $this->getNewChapterPriority($newParent);
|
|
} else {
|
|
$pageData['priority'] = $this->getNewBookPriority($newParent);
|
|
}
|
|
|
|
return $this->publishPageDraft($copyPage, $pageData);
|
|
}
|
|
|
|
/**
|
|
* Saves a page revision into the system.
|
|
* @param Page $page
|
|
* @param null|string $summary
|
|
* @return \BookStack\Entities\PageRevision
|
|
*/
|
|
public function savePageRevision(Page $page, $summary = null)
|
|
{
|
|
$revision = $this->entityProvider->pageRevision->newInstance($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();
|
|
|
|
$revisionLimit = config('app.revision_limit');
|
|
if ($revisionLimit !== false) {
|
|
$revisionsToDelete = $this->entityProvider->pageRevision->where('page_id', '=', $page->id)
|
|
->orderBy('created_at', 'desc')->skip(intval($revisionLimit))->take(10)->get(['id']);
|
|
if ($revisionsToDelete->count() > 0) {
|
|
$this->entityProvider->pageRevision->whereIn('id', $revisionsToDelete->pluck('id'))->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;
|
|
if (!config('app.allow_content_scripts')) {
|
|
$content = $this->escapeScripts($content);
|
|
}
|
|
|
|
$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;
|
|
}
|
|
|
|
/**
|
|
* Escape script tags within HTML content.
|
|
* @param string $html
|
|
* @return mixed
|
|
*/
|
|
protected function escapeScripts(string $html)
|
|
{
|
|
$scriptSearchRegex = '/<script.*?>.*?<\/script>/ms';
|
|
$matches = [];
|
|
preg_match_all($scriptSearchRegex, $html, $matches);
|
|
if (count($matches) === 0) {
|
|
return $html;
|
|
}
|
|
|
|
foreach ($matches[0] as $match) {
|
|
$html = str_replace($match, htmlentities($match), $html);
|
|
}
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Get the plain text version of a page's content.
|
|
* @param \BookStack\Entities\Page $page
|
|
* @return string
|
|
*/
|
|
public function pageToPlainText(Page $page)
|
|
{
|
|
$html = $this->renderPage($page);
|
|
return strip_tags($html);
|
|
}
|
|
|
|
/**
|
|
* Search for image usage within page content.
|
|
* @param $imageString
|
|
* @return mixed
|
|
*/
|
|
public function searchForImage($imageString)
|
|
{
|
|
$pages = $this->entityQuery('page')->where('html', 'like', '%' . $imageString . '%')->get();
|
|
foreach ($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 \BookStack\Entities\Page $page
|
|
* @param int $book_id
|
|
* @param array $input
|
|
* @return \BookStack\Entities\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 \BookStack\Entities\Page $page
|
|
* @param $userId
|
|
* @return mixed
|
|
*/
|
|
protected function userUpdatePageDraftsQuery(Page $page, $userId)
|
|
{
|
|
return $this->entityProvider->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 \BookStack\Entities\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 \BookStack\Entities\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->entityProvider->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 \BookStack\Entities\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->entityProvider->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 \BookStack\Entities\Page $page
|
|
* @param \BookStack\Entities\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 a bookshelf instance
|
|
* @param \BookStack\Entities\Bookshelf $shelf
|
|
* @throws \Throwable
|
|
*/
|
|
public function destroyBookshelf(Bookshelf $shelf)
|
|
{
|
|
$this->destroyEntityCommonRelations($shelf);
|
|
$shelf->delete();
|
|
}
|
|
|
|
/**
|
|
* Destroy the provided book and all its child entities.
|
|
* @param \BookStack\Entities\Book $book
|
|
* @throws NotifyException
|
|
* @throws \Throwable
|
|
*/
|
|
public function destroyBook(Book $book)
|
|
{
|
|
foreach ($book->pages as $page) {
|
|
$this->destroyPage($page);
|
|
}
|
|
foreach ($book->chapters as $chapter) {
|
|
$this->destroyChapter($chapter);
|
|
}
|
|
$this->destroyEntityCommonRelations($book);
|
|
$book->delete();
|
|
}
|
|
|
|
/**
|
|
* Destroy a chapter and its relations.
|
|
* @param \BookStack\Entities\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
|
|
$customHome = setting('app-homepage', '0:');
|
|
if (intval($page->id) === intval(explode(':', $customHome)[0])) {
|
|
throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
|
|
}
|
|
|
|
$this->destroyEntityCommonRelations($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 \BookStack\Entities\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 \BookStack\Entities\Bookshelf $bookshelf
|
|
* @return int
|
|
* @throws \Throwable
|
|
*/
|
|
public function copyBookshelfPermissions(Bookshelf $bookshelf)
|
|
{
|
|
$shelfPermissions = $bookshelf->permissions()->get(['role_id', 'action'])->toArray();
|
|
$shelfBooks = $bookshelf->books()->get();
|
|
$updatedBookCount = 0;
|
|
|
|
foreach ($shelfBooks as $book) {
|
|
if (!userCan('restrictions-manage', $book)) {
|
|
continue;
|
|
}
|
|
$book->permissions()->delete();
|
|
$book->restricted = $bookshelf->restricted;
|
|
$book->permissions()->createMany($shelfPermissions);
|
|
$book->save();
|
|
$this->permissionService->buildJointPermissionsForEntity($book);
|
|
$updatedBookCount++;
|
|
}
|
|
|
|
return $updatedBookCount;
|
|
}
|
|
}
|