mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-11-30 04:33:41 +08:00
504 lines
16 KiB
PHP
504 lines
16 KiB
PHP
<?php namespace BookStack\Http\Controllers;
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use BookStack\Entities\Tools\BookContents;
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use BookStack\Entities\Tools\PageContent;
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use BookStack\Entities\Tools\PageEditActivity;
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use BookStack\Entities\Models\Page;
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use BookStack\Entities\Repos\PageRepo;
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use BookStack\Entities\Tools\PermissionsUpdater;
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use BookStack\Exceptions\NotFoundException;
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use BookStack\Exceptions\NotifyException;
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use BookStack\Exceptions\PermissionsException;
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use Exception;
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use Illuminate\Http\Request;
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use Illuminate\Validation\ValidationException;
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use Throwable;
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use Views;
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class PageController extends Controller
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{
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protected $pageRepo;
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/**
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* PageController constructor.
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*/
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public function __construct(PageRepo $pageRepo)
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{
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$this->pageRepo = $pageRepo;
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}
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/**
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* Show the form for creating a new page.
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* @throws Throwable
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*/
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public function create(string $bookSlug, string $chapterSlug = null)
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{
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$parent = $this->pageRepo->getParentFromSlugs($bookSlug, $chapterSlug);
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$this->checkOwnablePermission('page-create', $parent);
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// Redirect to draft edit screen if signed in
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if ($this->isSignedIn()) {
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$draft = $this->pageRepo->getNewDraftPage($parent);
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return redirect($draft->getUrl());
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}
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// Otherwise show the edit view if they're a guest
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$this->setPageTitle(trans('entities.pages_new'));
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return view('pages.guest-create', ['parent' => $parent]);
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}
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/**
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* Create a new page as a guest user.
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* @throws ValidationException
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*/
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public function createAsGuest(Request $request, string $bookSlug, string $chapterSlug = null)
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{
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$this->validate($request, [
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'name' => 'required|string|max:255'
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]);
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$parent = $this->pageRepo->getParentFromSlugs($bookSlug, $chapterSlug);
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$this->checkOwnablePermission('page-create', $parent);
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$page = $this->pageRepo->getNewDraftPage($parent);
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$this->pageRepo->publishDraft($page, [
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'name' => $request->get('name'),
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'html' => ''
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]);
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return redirect($page->getUrl('/edit'));
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}
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/**
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* Show form to continue editing a draft page.
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* @throws NotFoundException
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*/
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public function editDraft(string $bookSlug, int $pageId)
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{
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$draft = $this->pageRepo->getById($pageId);
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$this->checkOwnablePermission('page-create', $draft->getParent());
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$this->setPageTitle(trans('entities.pages_edit_draft'));
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$draftsEnabled = $this->isSignedIn();
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$templates = $this->pageRepo->getTemplates(10);
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return view('pages.edit', [
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'page' => $draft,
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'book' => $draft->book,
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'isDraft' => true,
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'draftsEnabled' => $draftsEnabled,
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'templates' => $templates,
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]);
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}
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/**
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* Store a new page by changing a draft into a page.
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* @throws NotFoundException
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* @throws ValidationException
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*/
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public function store(Request $request, string $bookSlug, int $pageId)
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{
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$this->validate($request, [
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'name' => 'required|string|max:255'
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]);
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$draftPage = $this->pageRepo->getById($pageId);
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$this->checkOwnablePermission('page-create', $draftPage->getParent());
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$page = $this->pageRepo->publishDraft($draftPage, $request->all());
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return redirect($page->getUrl());
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}
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/**
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* Display the specified page.
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* If the page is not found via the slug the revisions are searched for a match.
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* @throws NotFoundException
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*/
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public function show(string $bookSlug, string $pageSlug)
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{
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try {
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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} catch (NotFoundException $e) {
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$page = $this->pageRepo->getByOldSlug($bookSlug, $pageSlug);
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if ($page === null) {
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throw $e;
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}
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return redirect($page->getUrl());
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}
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$this->checkOwnablePermission('page-view', $page);
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$pageContent = (new PageContent($page));
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$page->html = $pageContent->render();
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$sidebarTree = (new BookContents($page->book))->getTree();
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$pageNav = $pageContent->getNavigation($page->html);
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// Check if page comments are enabled
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$commentsEnabled = !setting('app-disable-comments');
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if ($commentsEnabled) {
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$page->load(['comments.createdBy']);
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}
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$chapterId = $page->getParentChapter();
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$allPageSlugs = $this->pageRepo->getPageByChapterID($chapterId[0]->id);
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$pos = 0;
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foreach ($allPageSlugs as $slug){
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if($pageSlug === $slug->slug){
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$currPagePos = $pos;
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}
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$pos++;
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$pageUrl = $this->pageRepo->getBySlug($bookSlug, $slug->slug);
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$urlLink[] = $pageUrl->getUrl();
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}
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for($i=0; $i <= $currPagePos; $i++){
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$nextCount = $i+1;
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$prevCount = $i-1;
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$prevPage = '#';
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$nextPage = '#';
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if($nextCount < count($urlLink)){
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$nextPage = $urlLink[$nextCount];
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}
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if($currPagePos == $i && $currPagePos != 0){
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$prevPage = $urlLink[$prevCount];
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}
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}
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$disablePrev = "";
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$disableNxt = "";
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if($prevPage == "#"){
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$disablePrev = "disabled";
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}
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if($nextPage == "#"){
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$disableNxt = "disabled";
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}
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Views::add($page);
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$this->setPageTitle($page->getShortName());
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return view('pages.show', [
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'page' => $page,
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'book' => $page->book,
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'current' => $page,
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'sidebarTree' => $sidebarTree,
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'commentsEnabled' => $commentsEnabled,
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'pageNav' => $pageNav,
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'prevPage' => $prevPage,
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'nextPage' => $nextPage,
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'disablePrev' => $disablePrev,
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'disableNxt' => $disableNxt
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]);
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}
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/**
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* Get page from an ajax request.
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* @throws NotFoundException
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*/
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public function getPageAjax(int $pageId)
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{
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$page = $this->pageRepo->getById($pageId);
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$page->setHidden(array_diff($page->getHidden(), ['html', 'markdown']));
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$page->addHidden(['book']);
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return response()->json($page);
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}
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/**
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* Show the form for editing the specified page.
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* @throws NotFoundException
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*/
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public function edit(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-update', $page);
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$page->isDraft = false;
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$editActivity = new PageEditActivity($page);
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// Check for active editing
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$warnings = [];
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if ($editActivity->hasActiveEditing()) {
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$warnings[] = $editActivity->activeEditingMessage();
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}
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// Check for a current draft version for this user
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$userDraft = $this->pageRepo->getUserDraft($page);
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if ($userDraft !== null) {
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$page->forceFill($userDraft->only(['name', 'html', 'markdown']));
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$page->isDraft = true;
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$warnings[] = $editActivity->getEditingActiveDraftMessage($userDraft);
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}
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if (count($warnings) > 0) {
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$this->showWarningNotification(implode("\n", $warnings));
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}
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$templates = $this->pageRepo->getTemplates(10);
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$draftsEnabled = $this->isSignedIn();
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$this->setPageTitle(trans('entities.pages_editing_named', ['pageName' => $page->getShortName()]));
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return view('pages.edit', [
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'page' => $page,
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'book' => $page->book,
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'current' => $page,
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'draftsEnabled' => $draftsEnabled,
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'templates' => $templates,
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]);
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}
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/**
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* Update the specified page in storage.
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* @throws ValidationException
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* @throws NotFoundException
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*/
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public function update(Request $request, string $bookSlug, string $pageSlug)
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{
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$this->validate($request, [
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'name' => 'required|string|max:255'
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]);
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-update', $page);
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$this->pageRepo->update($page, $request->all());
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return redirect($page->getUrl());
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}
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/**
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* Save a draft update as a revision.
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* @throws NotFoundException
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*/
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public function saveDraft(Request $request, int $pageId)
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{
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$page = $this->pageRepo->getById($pageId);
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$this->checkOwnablePermission('page-update', $page);
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if (!$this->isSignedIn()) {
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return $this->jsonError(trans('errors.guests_cannot_save_drafts'), 500);
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}
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$draft = $this->pageRepo->updatePageDraft($page, $request->only(['name', 'html', 'markdown']));
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$updateTime = $draft->updated_at->timestamp;
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return response()->json([
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'status' => 'success',
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'message' => trans('entities.pages_edit_draft_save_at'),
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'timestamp' => $updateTime
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]);
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}
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/**
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* Redirect from a special link url which uses the page id rather than the name.
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* @throws NotFoundException
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*/
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public function redirectFromLink(int $pageId)
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{
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$page = $this->pageRepo->getById($pageId);
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return redirect($page->getUrl());
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}
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/**
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* Show the deletion page for the specified page.
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* @throws NotFoundException
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*/
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public function showDelete(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-delete', $page);
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$this->setPageTitle(trans('entities.pages_delete_named', ['pageName'=>$page->getShortName()]));
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return view('pages.delete', [
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'book' => $page->book,
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'page' => $page,
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'current' => $page
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]);
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}
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/**
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* Show the deletion page for the specified page.
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* @throws NotFoundException
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*/
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public function showDeleteDraft(string $bookSlug, int $pageId)
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{
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$page = $this->pageRepo->getById($pageId);
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$this->checkOwnablePermission('page-update', $page);
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$this->setPageTitle(trans('entities.pages_delete_draft_named', ['pageName'=>$page->getShortName()]));
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return view('pages.delete', [
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'book' => $page->book,
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'page' => $page,
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'current' => $page
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]);
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}
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/**
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* Remove the specified page from storage.
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* @throws NotFoundException
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* @throws Throwable
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* @throws NotifyException
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*/
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public function destroy(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-delete', $page);
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$parent = $page->getParent();
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$this->pageRepo->destroy($page);
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return redirect($parent->getUrl());
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}
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/**
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* Remove the specified draft page from storage.
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* @throws NotFoundException
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* @throws NotifyException
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* @throws Throwable
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*/
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public function destroyDraft(string $bookSlug, int $pageId)
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{
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$page = $this->pageRepo->getById($pageId);
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$book = $page->book;
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$chapter = $page->chapter;
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$this->checkOwnablePermission('page-update', $page);
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$this->pageRepo->destroy($page);
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$this->showSuccessNotification(trans('entities.pages_delete_draft_success'));
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if ($chapter && userCan('view', $chapter)) {
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return redirect($chapter->getUrl());
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}
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return redirect($book->getUrl());
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}
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/**
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* Show a listing of recently created pages.
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*/
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public function showRecentlyUpdated()
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{
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$pages = Page::visible()->orderBy('updated_at', 'desc')
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->paginate(20)
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->setPath(url('/pages/recently-updated'));
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return view('pages.detailed-listing', [
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'title' => trans('entities.recently_updated_pages'),
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'pages' => $pages
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]);
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}
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/**
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* Show the view to choose a new parent to move a page into.
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* @throws NotFoundException
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*/
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public function showMove(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-update', $page);
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$this->checkOwnablePermission('page-delete', $page);
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return view('pages.move', [
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'book' => $page->book,
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'page' => $page
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]);
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}
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/**
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* Does the action of moving the location of a page.
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* @throws NotFoundException
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* @throws Throwable
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*/
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public function move(Request $request, string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-update', $page);
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$this->checkOwnablePermission('page-delete', $page);
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$entitySelection = $request->get('entity_selection', null);
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if ($entitySelection === null || $entitySelection === '') {
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return redirect($page->getUrl());
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}
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try {
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$parent = $this->pageRepo->move($page, $entitySelection);
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} catch (Exception $exception) {
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if ($exception instanceof PermissionsException) {
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$this->showPermissionError();
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}
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$this->showErrorNotification(trans('errors.selected_book_chapter_not_found'));
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return redirect()->back();
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}
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$this->showSuccessNotification(trans('entities.pages_move_success', ['parentName' => $parent->name]));
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return redirect($page->getUrl());
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}
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/**
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* Show the view to copy a page.
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* @throws NotFoundException
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*/
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public function showCopy(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-view', $page);
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session()->flashInput(['name' => $page->name]);
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return view('pages.copy', [
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'book' => $page->book,
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'page' => $page
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]);
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}
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/**
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* Create a copy of a page within the requested target destination.
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* @throws NotFoundException
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* @throws Throwable
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*/
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public function copy(Request $request, string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-view', $page);
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$entitySelection = $request->get('entity_selection', null) ?? null;
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$newName = $request->get('name', null);
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try {
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$pageCopy = $this->pageRepo->copy($page, $entitySelection, $newName);
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} catch (Exception $exception) {
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if ($exception instanceof PermissionsException) {
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$this->showPermissionError();
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}
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$this->showErrorNotification(trans('errors.selected_book_chapter_not_found'));
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return redirect()->back();
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}
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$this->showSuccessNotification(trans('entities.pages_copy_success'));
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return redirect($pageCopy->getUrl());
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}
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/**
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* Show the Permissions view.
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* @throws NotFoundException
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*/
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public function showPermissions(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('restrictions-manage', $page);
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return view('pages.permissions', [
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'page' => $page,
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]);
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}
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/**
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* Set the permissions for this page.
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* @throws NotFoundException
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* @throws Throwable
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*/
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public function permissions(Request $request, PermissionsUpdater $permissionsUpdater, string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('restrictions-manage', $page);
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$permissionsUpdater->updateFromPermissionsForm($page, $request);
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$this->showSuccessNotification(trans('entities.pages_permissions_success'));
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return redirect($page->getUrl());
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}
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}
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