app/Entities/Controllers/PageApiController.php
<?php
namespace BookStack\Entities\Controllers;
use BookStack\Entities\Queries\EntityQueries;
use BookStack\Entities\Queries\PageQueries;
use BookStack\Entities\Repos\PageRepo;
use BookStack\Exceptions\PermissionsException;
use BookStack\Http\ApiController;
use Exception;
use Illuminate\Http\Request;
class PageApiController extends ApiController
{
protected $rules = [
'create' => [
'book_id' => ['required_without:chapter_id', 'integer'],
'chapter_id' => ['required_without:book_id', 'integer'],
'name' => ['required', 'string', 'max:255'],
'html' => ['required_without:markdown', 'string'],
'markdown' => ['required_without:html', 'string'],
'tags' => ['array'],
'priority' => ['integer'],
],
'update' => [
'book_id' => ['integer'],
'chapter_id' => ['integer'],
'name' => ['string', 'min:1', 'max:255'],
'html' => ['string'],
'markdown' => ['string'],
'tags' => ['array'],
'priority' => ['integer'],
],
];
public function __construct(
protected PageRepo $pageRepo,
protected PageQueries $queries,
protected EntityQueries $entityQueries,
) {
}
/**
* Get a listing of pages visible to the user.
*/
public function list()
{
$pages = $this->queries->visibleForList()
->addSelect(['created_by', 'updated_by', 'revision_count', 'editor']);
return $this->apiListingResponse($pages, [
'id', 'book_id', 'chapter_id', 'name', 'slug', 'priority',
'draft', 'template',
'created_at', 'updated_at',
'created_by', 'updated_by', 'owned_by',
]);
}
/**
* Create a new page in the system.
*
* The ID of a parent book or chapter is required to indicate
* where this page should be located.
*
* Any HTML content provided should be kept to a single-block depth of plain HTML
* elements to remain compatible with the BookStack front-end and editors.
* Any images included via base64 data URIs will be extracted and saved as gallery
* images against the page during upload.
*/
public function create(Request $request)
{
$this->validate($request, $this->rules['create']);
if ($request->has('chapter_id')) {
$parent = $this->entityQueries->chapters->findVisibleByIdOrFail(intval($request->get('chapter_id')));
} else {
$parent = $this->entityQueries->books->findVisibleByIdOrFail(intval($request->get('book_id')));
}
$this->checkOwnablePermission('page-create', $parent);
$draft = $this->pageRepo->getNewDraftPage($parent);
$this->pageRepo->publishDraft($draft, $request->only(array_keys($this->rules['create'])));
return response()->json($draft->forJsonDisplay());
}
/**
* View the details of a single page.
* Pages will always have HTML content. They may have markdown content
* if the markdown editor was used to last update the page.
*
* The 'html' property is the fully rendered & escaped HTML content that BookStack
* would show on page view, with page includes handled.
* The 'raw_html' property is the direct database stored HTML content, which would be
* what BookStack shows on page edit.
*
* See the "Content Security" section of these docs for security considerations when using
* the page content returned from this endpoint.
*/
public function read(string $id)
{
$page = $this->queries->findVisibleByIdOrFail($id);
return response()->json($page->forJsonDisplay());
}
/**
* Update the details of a single page.
*
* See the 'create' action for details on the provided HTML/Markdown.
* Providing a 'book_id' or 'chapter_id' property will essentially move
* the page into that parent element if you have permissions to do so.
*/
public function update(Request $request, string $id)
{
$requestData = $this->validate($request, $this->rules['update']);
$page = $this->queries->findVisibleByIdOrFail($id);
$this->checkOwnablePermission('page-update', $page);
$parent = null;
if ($request->has('chapter_id')) {
$parent = $this->entityQueries->chapters->findVisibleByIdOrFail(intval($request->get('chapter_id')));
} elseif ($request->has('book_id')) {
$parent = $this->entityQueries->books->findVisibleByIdOrFail(intval($request->get('book_id')));
}
if ($parent && !$parent->matches($page->getParent())) {
$this->checkOwnablePermission('page-delete', $page);
try {
$this->pageRepo->move($page, $parent->getType() . ':' . $parent->id);
} catch (Exception $exception) {
if ($exception instanceof PermissionsException) {
$this->showPermissionError();
}
return $this->jsonError(trans('errors.selected_book_chapter_not_found'));
}
}
$updatedPage = $this->pageRepo->update($page, $requestData);
return response()->json($updatedPage->forJsonDisplay());
}
/**
* Delete a page.
* This will typically send the page to the recycle bin.
*/
public function delete(string $id)
{
$page = $this->queries->findVisibleByIdOrFail($id);
$this->checkOwnablePermission('page-delete', $page);
$this->pageRepo->destroy($page);
return response('', 204);
}
}