BookStack/app/Http/Controllers/PageController.php
2021-05-29 12:49:10 +01:00

470 lines
15 KiB
PHP

<?php namespace BookStack\Http\Controllers;
use BookStack\Actions\View;
use BookStack\Entities\Tools\BookContents;
use BookStack\Entities\Tools\NextPreviousContentLocator;
use BookStack\Entities\Tools\PageContent;
use BookStack\Entities\Tools\PageEditActivity;
use BookStack\Entities\Models\Page;
use BookStack\Entities\Repos\PageRepo;
use BookStack\Entities\Tools\PermissionsUpdater;
use BookStack\Exceptions\NotFoundException;
use BookStack\Exceptions\PermissionsException;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
use Throwable;
class PageController extends Controller
{
protected $pageRepo;
/**
* PageController constructor.
*/
public function __construct(PageRepo $pageRepo)
{
$this->pageRepo = $pageRepo;
}
/**
* Show the form for creating a new page.
* @throws Throwable
*/
public function create(string $bookSlug, string $chapterSlug = null)
{
$parent = $this->pageRepo->getParentFromSlugs($bookSlug, $chapterSlug);
$this->checkOwnablePermission('page-create', $parent);
// Redirect to draft edit screen if signed in
if ($this->isSignedIn()) {
$draft = $this->pageRepo->getNewDraftPage($parent);
return redirect($draft->getUrl());
}
// Otherwise show the edit view if they're a guest
$this->setPageTitle(trans('entities.pages_new'));
return view('pages.guest-create', ['parent' => $parent]);
}
/**
* Create a new page as a guest user.
* @throws ValidationException
*/
public function createAsGuest(Request $request, string $bookSlug, string $chapterSlug = null)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$parent = $this->pageRepo->getParentFromSlugs($bookSlug, $chapterSlug);
$this->checkOwnablePermission('page-create', $parent);
$page = $this->pageRepo->getNewDraftPage($parent);
$this->pageRepo->publishDraft($page, [
'name' => $request->get('name'),
'html' => ''
]);
return redirect($page->getUrl('/edit'));
}
/**
* Show form to continue editing a draft page.
* @throws NotFoundException
*/
public function editDraft(string $bookSlug, int $pageId)
{
$draft = $this->pageRepo->getById($pageId);
$this->checkOwnablePermission('page-create', $draft->getParent());
$this->setPageTitle(trans('entities.pages_edit_draft'));
$draftsEnabled = $this->isSignedIn();
$templates = $this->pageRepo->getTemplates(10);
return view('pages.edit', [
'page' => $draft,
'book' => $draft->book,
'isDraft' => true,
'draftsEnabled' => $draftsEnabled,
'templates' => $templates,
]);
}
/**
* Store a new page by changing a draft into a page.
* @throws NotFoundException
* @throws ValidationException
*/
public function store(Request $request, string $bookSlug, int $pageId)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$draftPage = $this->pageRepo->getById($pageId);
$this->checkOwnablePermission('page-create', $draftPage->getParent());
$page = $this->pageRepo->publishDraft($draftPage, $request->all());
return redirect($page->getUrl());
}
/**
* Display the specified page.
* If the page is not found via the slug the revisions are searched for a match.
* @throws NotFoundException
*/
public function show(string $bookSlug, string $pageSlug)
{
try {
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
} catch (NotFoundException $e) {
$page = $this->pageRepo->getByOldSlug($bookSlug, $pageSlug);
if ($page === null) {
throw $e;
}
return redirect($page->getUrl());
}
$this->checkOwnablePermission('page-view', $page);
$pageContent = (new PageContent($page));
$page->html = $pageContent->render();
$sidebarTree = (new BookContents($page->book))->getTree();
$pageNav = $pageContent->getNavigation($page->html);
// Check if page comments are enabled
$commentsEnabled = !setting('app-disable-comments');
if ($commentsEnabled) {
$page->load(['comments.createdBy']);
}
$nextPreviousLocator = new NextPreviousContentLocator($page, $sidebarTree);
View::incrementFor($page);
$this->setPageTitle($page->getShortName());
return view('pages.show', [
'page' => $page,
'book' => $page->book,
'current' => $page,
'sidebarTree' => $sidebarTree,
'commentsEnabled' => $commentsEnabled,
'pageNav' => $pageNav,
'next' => $nextPreviousLocator->getNext(),
'previous' => $nextPreviousLocator->getPrevious(),
]);
}
/**
* Get page from an ajax request.
* @throws NotFoundException
*/
public function getPageAjax(int $pageId)
{
$page = $this->pageRepo->getById($pageId);
$page->setHidden(array_diff($page->getHidden(), ['html', 'markdown']));
$page->addHidden(['book']);
return response()->json($page);
}
/**
* Show the form for editing the specified page.
* @throws NotFoundException
*/
public function edit(string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-update', $page);
$page->isDraft = false;
$editActivity = new PageEditActivity($page);
// Check for active editing
$warnings = [];
if ($editActivity->hasActiveEditing()) {
$warnings[] = $editActivity->activeEditingMessage();
}
// Check for a current draft version for this user
$userDraft = $this->pageRepo->getUserDraft($page);
if ($userDraft !== null) {
$page->forceFill($userDraft->only(['name', 'html', 'markdown']));
$page->isDraft = true;
$warnings[] = $editActivity->getEditingActiveDraftMessage($userDraft);
}
if (count($warnings) > 0) {
$this->showWarningNotification(implode("\n", $warnings));
}
$templates = $this->pageRepo->getTemplates(10);
$draftsEnabled = $this->isSignedIn();
$this->setPageTitle(trans('entities.pages_editing_named', ['pageName' => $page->getShortName()]));
return view('pages.edit', [
'page' => $page,
'book' => $page->book,
'current' => $page,
'draftsEnabled' => $draftsEnabled,
'templates' => $templates,
]);
}
/**
* Update the specified page in storage.
* @throws ValidationException
* @throws NotFoundException
*/
public function update(Request $request, string $bookSlug, string $pageSlug)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-update', $page);
$this->pageRepo->update($page, $request->all());
return redirect($page->getUrl());
}
/**
* Save a draft update as a revision.
* @throws NotFoundException
*/
public function saveDraft(Request $request, int $pageId)
{
$page = $this->pageRepo->getById($pageId);
$this->checkOwnablePermission('page-update', $page);
if (!$this->isSignedIn()) {
return $this->jsonError(trans('errors.guests_cannot_save_drafts'), 500);
}
$draft = $this->pageRepo->updatePageDraft($page, $request->only(['name', 'html', 'markdown']));
$updateTime = $draft->updated_at->timestamp;
return response()->json([
'status' => 'success',
'message' => trans('entities.pages_edit_draft_save_at'),
'timestamp' => $updateTime
]);
}
/**
* Redirect from a special link url which uses the page id rather than the name.
* @throws NotFoundException
*/
public function redirectFromLink(int $pageId)
{
$page = $this->pageRepo->getById($pageId);
return redirect($page->getUrl());
}
/**
* Show the deletion page for the specified page.
* @throws NotFoundException
*/
public function showDelete(string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-delete', $page);
$this->setPageTitle(trans('entities.pages_delete_named', ['pageName' => $page->getShortName()]));
return view('pages.delete', [
'book' => $page->book,
'page' => $page,
'current' => $page
]);
}
/**
* Show the deletion page for the specified page.
* @throws NotFoundException
*/
public function showDeleteDraft(string $bookSlug, int $pageId)
{
$page = $this->pageRepo->getById($pageId);
$this->checkOwnablePermission('page-update', $page);
$this->setPageTitle(trans('entities.pages_delete_draft_named', ['pageName' => $page->getShortName()]));
return view('pages.delete', [
'book' => $page->book,
'page' => $page,
'current' => $page
]);
}
/**
* Remove the specified page from storage.
* @throws NotFoundException
* @throws Throwable
*/
public function destroy(string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-delete', $page);
$parent = $page->getParent();
$this->pageRepo->destroy($page);
return redirect($parent->getUrl());
}
/**
* Remove the specified draft page from storage.
* @throws NotFoundException
* @throws Throwable
*/
public function destroyDraft(string $bookSlug, int $pageId)
{
$page = $this->pageRepo->getById($pageId);
$book = $page->book;
$chapter = $page->chapter;
$this->checkOwnablePermission('page-update', $page);
$this->pageRepo->destroy($page);
$this->showSuccessNotification(trans('entities.pages_delete_draft_success'));
if ($chapter && userCan('view', $chapter)) {
return redirect($chapter->getUrl());
}
return redirect($book->getUrl());
}
/**
* Show a listing of recently created pages.
*/
public function showRecentlyUpdated()
{
$pages = Page::visible()->orderBy('updated_at', 'desc')
->paginate(20)
->setPath(url('/pages/recently-updated'));
return view('common.detailed-listing-paginated', [
'title' => trans('entities.recently_updated_pages'),
'entities' => $pages
]);
}
/**
* Show the view to choose a new parent to move a page into.
* @throws NotFoundException
*/
public function showMove(string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-update', $page);
$this->checkOwnablePermission('page-delete', $page);
return view('pages.move', [
'book' => $page->book,
'page' => $page
]);
}
/**
* Does the action of moving the location of a page.
* @throws NotFoundException
* @throws Throwable
*/
public function move(Request $request, string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-update', $page);
$this->checkOwnablePermission('page-delete', $page);
$entitySelection = $request->get('entity_selection', null);
if ($entitySelection === null || $entitySelection === '') {
return redirect($page->getUrl());
}
try {
$parent = $this->pageRepo->move($page, $entitySelection);
} catch (Exception $exception) {
if ($exception instanceof PermissionsException) {
$this->showPermissionError();
}
$this->showErrorNotification(trans('errors.selected_book_chapter_not_found'));
return redirect()->back();
}
$this->showSuccessNotification(trans('entities.pages_move_success', ['parentName' => $parent->name]));
return redirect($page->getUrl());
}
/**
* Show the view to copy a page.
* @throws NotFoundException
*/
public function showCopy(string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-view', $page);
session()->flashInput(['name' => $page->name]);
return view('pages.copy', [
'book' => $page->book,
'page' => $page
]);
}
/**
* Create a copy of a page within the requested target destination.
* @throws NotFoundException
* @throws Throwable
*/
public function copy(Request $request, string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('page-view', $page);
$entitySelection = $request->get('entity_selection', null) ?? null;
$newName = $request->get('name', null);
try {
$pageCopy = $this->pageRepo->copy($page, $entitySelection, $newName);
} catch (Exception $exception) {
if ($exception instanceof PermissionsException) {
$this->showPermissionError();
}
$this->showErrorNotification(trans('errors.selected_book_chapter_not_found'));
return redirect()->back();
}
$this->showSuccessNotification(trans('entities.pages_copy_success'));
return redirect($pageCopy->getUrl());
}
/**
* Show the Permissions view.
* @throws NotFoundException
*/
public function showPermissions(string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('restrictions-manage', $page);
return view('pages.permissions', [
'page' => $page,
]);
}
/**
* Set the permissions for this page.
* @throws NotFoundException
* @throws Throwable
*/
public function permissions(Request $request, PermissionsUpdater $permissionsUpdater, string $bookSlug, string $pageSlug)
{
$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
$this->checkOwnablePermission('restrictions-manage', $page);
$permissionsUpdater->updateFromPermissionsForm($page, $request);
$this->showSuccessNotification(trans('entities.pages_permissions_success'));
return redirect($page->getUrl());
}
}