2019-10-05 13:55:01 +02:00
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<?php namespace BookStack\Http\Controllers;
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2020-05-23 13:28:14 +02:00
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use BookStack\Entities\Managers\PageContent;
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2019-10-05 13:55:01 +02:00
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use BookStack\Entities\Repos\PageRepo;
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use BookStack\Exceptions\NotFoundException;
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use BookStack\Facades\Activity;
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use GatherContent\Htmldiff\Htmldiff;
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class PageRevisionController extends Controller
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{
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protected $pageRepo;
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/**
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* PageRevisionController 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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parent::__construct();
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}
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/**
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* Shows the last revisions for this page.
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* @throws NotFoundException
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*/
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public function index(string $bookSlug, string $pageSlug)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->setPageTitle(trans('entities.pages_revisions_named', ['pageName'=>$page->getShortName()]));
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return view('pages.revisions', [
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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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* Shows a preview of a single revision.
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* @throws NotFoundException
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*/
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public function show(string $bookSlug, string $pageSlug, int $revisionId)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$revision = $page->revisions()->where('id', '=', $revisionId)->first();
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if ($revision === null) {
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throw new NotFoundException();
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}
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$page->fill($revision->toArray());
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2020-05-23 13:28:14 +02:00
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// TODO - Refactor PageContent so we don't need to juggle this
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$page->html = $revision->html;
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$page->html = (new PageContent($page))->render();
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2019-10-05 13:55:01 +02:00
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$this->setPageTitle(trans('entities.pages_revision_named', ['pageName' => $page->getShortName()]));
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return view('pages.revision', [
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'page' => $page,
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'book' => $page->book,
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'diff' => null,
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'revision' => $revision
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]);
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}
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/**
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* Shows the changes of a single revision.
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* @throws NotFoundException
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*/
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public function changes(string $bookSlug, string $pageSlug, int $revisionId)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$revision = $page->revisions()->where('id', '=', $revisionId)->first();
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if ($revision === null) {
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throw new NotFoundException();
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}
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$prev = $revision->getPrevious();
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$prevContent = $prev->html ?? '';
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$diff = (new Htmldiff)->diff($prevContent, $revision->html);
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$page->fill($revision->toArray());
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2020-05-23 13:28:14 +02:00
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// TODO - Refactor PageContent so we don't need to juggle this
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$page->html = $revision->html;
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$page->html = (new PageContent($page))->render();
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2019-10-05 13:55:01 +02:00
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$this->setPageTitle(trans('entities.pages_revision_named', ['pageName'=>$page->getShortName()]));
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return view('pages.revision', [
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'page' => $page,
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'book' => $page->book,
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'diff' => $diff,
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'revision' => $revision
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]);
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}
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/**
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* Restores a page using the content of the specified revision.
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* @throws NotFoundException
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*/
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public function restore(string $bookSlug, string $pageSlug, int $revisionId)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-update', $page);
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$page = $this->pageRepo->restoreRevision($page, $revisionId);
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Activity::add($page, 'page_restore', $page->book->id);
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return redirect($page->getUrl());
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}
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/**
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* Deletes a revision using the id of the specified revision.
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* @throws NotFoundException
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*/
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public function destroy(string $bookSlug, string $pageSlug, int $revId)
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{
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$page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
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$this->checkOwnablePermission('page-delete', $page);
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$revision = $page->revisions()->where('id', '=', $revId)->first();
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if ($revision === null) {
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throw new NotFoundException("Revision #{$revId} not found");
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}
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// Get the current revision for the page
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$currentRevision = $page->getCurrentRevision();
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// Check if its the latest revision, cannot delete latest revision.
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if (intval($currentRevision->id) === intval($revId)) {
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$this->showErrorNotification(trans('entities.revision_cannot_delete_latest'));
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return redirect($page->getUrl('/revisions'));
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}
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$revision->delete();
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$this->showSuccessNotification(trans('entities.revision_delete_success'));
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return redirect($page->getUrl('/revisions'));
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}
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}
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