BookStack/app/Http/Controllers/PageController.php
Younès EL BIACHE c279c6e2af replace GPL diff lib with MIT lib
replace gpl lib with mit lib
2016-07-10 12:01:05 +02:00

542 lines
18 KiB
PHP

<?php namespace BookStack\Http\Controllers;
use Activity;
use BookStack\Exceptions\NotFoundException;
use BookStack\Repos\UserRepo;
use BookStack\Services\ExportService;
use Carbon\Carbon;
use Illuminate\Http\Request;
use BookStack\Http\Requests;
use BookStack\Repos\BookRepo;
use BookStack\Repos\ChapterRepo;
use BookStack\Repos\PageRepo;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Views;
use GatherContent\Htmldiff\Htmldiff;
class PageController extends Controller
{
protected $pageRepo;
protected $bookRepo;
protected $chapterRepo;
protected $exportService;
protected $userRepo;
/**
* PageController constructor.
* @param PageRepo $pageRepo
* @param BookRepo $bookRepo
* @param ChapterRepo $chapterRepo
* @param ExportService $exportService
* @param UserRepo $userRepo
*/
public function __construct(PageRepo $pageRepo, BookRepo $bookRepo, ChapterRepo $chapterRepo, ExportService $exportService, UserRepo $userRepo)
{
$this->pageRepo = $pageRepo;
$this->bookRepo = $bookRepo;
$this->chapterRepo = $chapterRepo;
$this->exportService = $exportService;
$this->userRepo = $userRepo;
parent::__construct();
}
/**
* Show the form for creating a new page.
* @param $bookSlug
* @param bool $chapterSlug
* @return Response
* @internal param bool $pageSlug
*/
public function create($bookSlug, $chapterSlug = false)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$chapter = $chapterSlug ? $this->chapterRepo->getBySlug($chapterSlug, $book->id) : null;
$parent = $chapter ? $chapter : $book;
$this->checkOwnablePermission('page-create', $parent);
$this->setPageTitle('Create New Page');
$draft = $this->pageRepo->getDraftPage($book, $chapter);
return redirect($draft->getUrl());
}
/**
* Show form to continue editing a draft page.
* @param $bookSlug
* @param $pageId
* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function editDraft($bookSlug, $pageId)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$draft = $this->pageRepo->getById($pageId, true);
$this->checkOwnablePermission('page-create', $book);
$this->setPageTitle('Edit Page Draft');
return view('pages/edit', ['page' => $draft, 'book' => $book, 'isDraft' => true]);
}
/**
* Store a new page by changing a draft into a page.
* @param Request $request
* @param string $bookSlug
* @return Response
*/
public function store(Request $request, $bookSlug, $pageId)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$input = $request->all();
$book = $this->bookRepo->getBySlug($bookSlug);
$draftPage = $this->pageRepo->getById($pageId, true);
$chapterId = intval($draftPage->chapter_id);
$parent = $chapterId !== 0 ? $this->chapterRepo->getById($chapterId) : $book;
$this->checkOwnablePermission('page-create', $parent);
if ($parent->isA('chapter')) {
$input['priority'] = $this->chapterRepo->getNewPriority($parent);
} else {
$input['priority'] = $this->bookRepo->getNewPriority($parent);
}
$page = $this->pageRepo->publishDraft($draftPage, $input);
Activity::add($page, 'page_create', $book->id);
return redirect($page->getUrl());
}
/**
* Display the specified page.
* If the page is not found via the slug the
* revisions are searched for a match.
* @param $bookSlug
* @param $pageSlug
* @return Response
*/
public function show($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
try {
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
} catch (NotFoundException $e) {
$page = $this->pageRepo->findPageUsingOldSlug($pageSlug, $bookSlug);
if ($page === null) abort(404);
return redirect($page->getUrl());
}
$this->checkOwnablePermission('page-view', $page);
$sidebarTree = $this->bookRepo->getChildren($book);
Views::add($page);
$this->setPageTitle($page->getShortName());
return view('pages/show', ['page' => $page, 'book' => $book, 'current' => $page, 'sidebarTree' => $sidebarTree]);
}
/**
* Get page from an ajax request.
* @param $pageId
* @return \Illuminate\Http\JsonResponse
*/
public function getPageAjax($pageId)
{
$page = $this->pageRepo->getById($pageId);
return response()->json($page);
}
/**
* Show the form for editing the specified page.
* @param $bookSlug
* @param $pageSlug
* @return Response
*/
public function edit($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-update', $page);
$this->setPageTitle('Editing Page ' . $page->getShortName());
$page->isDraft = false;
// Check for active editing
$warnings = [];
if ($this->pageRepo->isPageEditingActive($page, 60)) {
$warnings[] = $this->pageRepo->getPageEditingActiveMessage($page, 60);
}
// Check for a current draft version for this user
if ($this->pageRepo->hasUserGotPageDraft($page, $this->currentUser->id)) {
$draft = $this->pageRepo->getUserPageDraft($page, $this->currentUser->id);
$page->name = $draft->name;
$page->html = $draft->html;
$page->markdown = $draft->markdown;
$page->isDraft = true;
$warnings [] = $this->pageRepo->getUserPageDraftMessage($draft);
}
if (count($warnings) > 0) session()->flash('warning', implode("\n", $warnings));
return view('pages/edit', ['page' => $page, 'book' => $book, 'current' => $page]);
}
/**
* Update the specified page in storage.
* @param Request $request
* @param $bookSlug
* @param $pageSlug
* @return Response
*/
public function update(Request $request, $bookSlug, $pageSlug)
{
$this->validate($request, [
'name' => 'required|string|max:255'
]);
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-update', $page);
$this->pageRepo->updatePage($page, $book->id, $request->all());
Activity::add($page, 'page_update', $book->id);
return redirect($page->getUrl());
}
/**
* Save a draft update as a revision.
* @param Request $request
* @param $pageId
* @return \Illuminate\Http\JsonResponse
*/
public function saveDraft(Request $request, $pageId)
{
$page = $this->pageRepo->getById($pageId, true);
$this->checkOwnablePermission('page-update', $page);
if ($page->draft) {
$draft = $this->pageRepo->updateDraftPage($page, $request->only(['name', 'html', 'markdown']));
} else {
$draft = $this->pageRepo->saveUpdateDraft($page, $request->only(['name', 'html', 'markdown']));
}
$updateTime = $draft->updated_at->timestamp;
$utcUpdateTimestamp = $updateTime + Carbon::createFromTimestamp(0)->offset;
return response()->json([
'status' => 'success',
'message' => 'Draft saved at ',
'timestamp' => $utcUpdateTimestamp
]);
}
/**
* Redirect from a special link url which
* uses the page id rather than the name.
* @param $pageId
* @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
*/
public function redirectFromLink($pageId)
{
$page = $this->pageRepo->getById($pageId);
return redirect($page->getUrl());
}
/**
* Show the deletion page for the specified page.
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\View\View
*/
public function showDelete($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-delete', $page);
$this->setPageTitle('Delete Page ' . $page->getShortName());
return view('pages/delete', ['book' => $book, 'page' => $page, 'current' => $page]);
}
/**
* Show the deletion page for the specified page.
* @param $bookSlug
* @param $pageId
* @return \Illuminate\View\View
* @throws NotFoundException
*/
public function showDeleteDraft($bookSlug, $pageId)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getById($pageId, true);
$this->checkOwnablePermission('page-update', $page);
$this->setPageTitle('Delete Draft Page ' . $page->getShortName());
return view('pages/delete', ['book' => $book, 'page' => $page, 'current' => $page]);
}
/**
* Remove the specified page from storage.
* @param $bookSlug
* @param $pageSlug
* @return Response
* @internal param int $id
*/
public function destroy($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-delete', $page);
Activity::addMessage('page_delete', $book->id, $page->name);
session()->flash('success', 'Page deleted');
$this->pageRepo->destroy($page);
return redirect($book->getUrl());
}
/**
* Remove the specified draft page from storage.
* @param $bookSlug
* @param $pageId
* @return Response
* @throws NotFoundException
*/
public function destroyDraft($bookSlug, $pageId)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getById($pageId, true);
$this->checkOwnablePermission('page-update', $page);
session()->flash('success', 'Draft deleted');
$this->pageRepo->destroy($page);
return redirect($book->getUrl());
}
/**
* Shows the last revisions for this page.
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\View\View
*/
public function showRevisions($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->setPageTitle('Revisions For ' . $page->getShortName());
return view('pages/revisions', ['page' => $page, 'book' => $book, 'current' => $page]);
}
/**
* Shows a preview of a single revision
* @param $bookSlug
* @param $pageSlug
* @param $revisionId
* @return \Illuminate\View\View
*/
public function showRevision($bookSlug, $pageSlug, $revisionId)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$revision = $this->pageRepo->getRevisionById($revisionId);
$next = $revision->getNext() ?: $page;
$diff = (new Htmldiff)->diff($revision->html, $next->html);
$page->fill($revision->toArray());
$this->setPageTitle('Page Revision For ' . $page->getShortName());
return view('pages/revision', [
'page' => $page,
'book' => $book,
'diff' => $diff,
]);
}
/**
* Restores a page using the content of the specified revision.
* @param $bookSlug
* @param $pageSlug
* @param $revisionId
* @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
*/
public function restoreRevision($bookSlug, $pageSlug, $revisionId)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-update', $page);
$page = $this->pageRepo->restoreRevision($page, $book, $revisionId);
Activity::add($page, 'page_restore', $book->id);
return redirect($page->getUrl());
}
/**
* Exports a page to pdf format using barryvdh/laravel-dompdf wrapper.
* https://github.com/barryvdh/laravel-dompdf
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\Http\Response
*/
public function exportPdf($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$pdfContent = $this->exportService->pageToPdf($page);
return response()->make($pdfContent, 200, [
'Content-Type' => 'application/octet-stream',
'Content-Disposition' => 'attachment; filename="' . $pageSlug . '.pdf'
]);
}
/**
* Export a page to a self-contained HTML file.
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\Http\Response
*/
public function exportHtml($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$containedHtml = $this->exportService->pageToContainedHtml($page);
return response()->make($containedHtml, 200, [
'Content-Type' => 'application/octet-stream',
'Content-Disposition' => 'attachment; filename="' . $pageSlug . '.html'
]);
}
/**
* Export a page to a simple plaintext .txt file.
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\Http\Response
*/
public function exportPlainText($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$containedHtml = $this->exportService->pageToPlainText($page);
return response()->make($containedHtml, 200, [
'Content-Type' => 'application/octet-stream',
'Content-Disposition' => 'attachment; filename="' . $pageSlug . '.txt'
]);
}
/**
* Show a listing of recently created pages
* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function showRecentlyCreated()
{
$pages = $this->pageRepo->getRecentlyCreatedPaginated(20);
return view('pages/detailed-listing', [
'title' => 'Recently Created Pages',
'pages' => $pages
]);
}
/**
* Show a listing of recently created pages
* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function showRecentlyUpdated()
{
$pages = $this->pageRepo->getRecentlyUpdatedPaginated(20);
return view('pages/detailed-listing', [
'title' => 'Recently Updated Pages',
'pages' => $pages
]);
}
/**
* Show the Restrictions view.
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function showRestrict($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('restrictions-manage', $page);
$roles = $this->userRepo->getRestrictableRoles();
return view('pages/restrictions', [
'page' => $page,
'roles' => $roles
]);
}
/**
* Show the view to choose a new parent to move a page into.
* @param $bookSlug
* @param $pageSlug
* @return mixed
* @throws NotFoundException
*/
public function showMove($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-update', $page);
return view('pages/move', [
'book' => $book,
'page' => $page
]);
}
/**
* Does the action of moving the location of a page
* @param $bookSlug
* @param $pageSlug
* @param Request $request
* @return mixed
* @throws NotFoundException
*/
public function move($bookSlug, $pageSlug, Request $request)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('page-update', $page);
$entitySelection = $request->get('entity_selection', null);
if ($entitySelection === null || $entitySelection === '') {
return redirect($page->getUrl());
}
$stringExploded = explode(':', $entitySelection);
$entityType = $stringExploded[0];
$entityId = intval($stringExploded[1]);
$parent = false;
if ($entityType == 'chapter') {
$parent = $this->chapterRepo->getById($entityId);
} else if ($entityType == 'book') {
$parent = $this->bookRepo->getById($entityId);
}
if ($parent === false || $parent === null) {
session()->flash('The selected Book or Chapter was not found');
return redirect()->back();
}
$this->pageRepo->changePageParent($page, $parent);
Activity::add($page, 'page_move', $page->book->id);
session()->flash('success', sprintf('Page moved to "%s"', $parent->name));
return redirect($page->getUrl());
}
/**
* Set the permissions for this page.
* @param $bookSlug
* @param $pageSlug
* @param Request $request
* @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
*/
public function restrict($bookSlug, $pageSlug, Request $request)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$this->checkOwnablePermission('restrictions-manage', $page);
$this->pageRepo->updateEntityPermissionsFromRequest($request, $page);
session()->flash('success', 'Page Permissions Updated');
return redirect($page->getUrl());
}
}