X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/ea55b7f141a70e2d6edb209f6c48610a9c005e4e..refs/pull/110/head:/app/Http/Controllers/PageController.php

diff --git a/app/Http/Controllers/PageController.php b/app/Http/Controllers/PageController.php
index 006d84f6e..da9273743 100644
--- a/app/Http/Controllers/PageController.php
+++ b/app/Http/Controllers/PageController.php
@@ -1,15 +1,16 @@
-<?php
-
-namespace BookStack\Http\Controllers;
+<?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 Illuminate\Support\Facades\Auth;
 use BookStack\Http\Requests;
 use BookStack\Repos\BookRepo;
 use BookStack\Repos\ChapterRepo;
 use BookStack\Repos\PageRepo;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Views;
 
 class PageController extends Controller
@@ -18,24 +19,29 @@ class PageController extends Controller
     protected $pageRepo;
     protected $bookRepo;
     protected $chapterRepo;
+    protected $exportService;
+    protected $userRepo;
 
     /**
      * PageController constructor.
-     * @param PageRepo    $pageRepo
-     * @param BookRepo    $bookRepo
+     * @param PageRepo $pageRepo
+     * @param BookRepo $bookRepo
      * @param ChapterRepo $chapterRepo
+     * @param ExportService $exportService
+     * @param UserRepo $userRepo
      */
-    public function __construct(PageRepo $pageRepo, BookRepo $bookRepo, ChapterRepo $chapterRepo)
+    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 $chapterSlug
      * @return Response
@@ -43,34 +49,60 @@ class PageController extends Controller
      */
     public function create($bookSlug, $chapterSlug = false)
     {
-        $this->checkPermission('page-create');
         $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapter = $chapterSlug ? $this->chapterRepo->getBySlug($chapterSlug, $book->id) : false;
-        return view('pages/create', ['book' => $book, 'chapter' => $chapter]);
+        $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 newly created page in storage.
-     *
+     * Store a new page by changing a draft into a page.
      * @param  Request $request
-     * @param          $bookSlug
+     * @param  string $bookSlug
      * @return Response
      */
-    public function store(Request $request, $bookSlug)
+    public function store(Request $request, $bookSlug, $pageId)
     {
-        $this->checkPermission('page-create');
         $this->validate($request, [
-            'name'   => 'required|string|max:255',
-            'html'   => 'required|string',
-            'parent' => 'integer|exists:pages,id'
+            'name' => 'required|string|max:255'
         ]);
 
         $input = $request->all();
         $book = $this->bookRepo->getBySlug($bookSlug);
-        $chapterId = ($request->has('chapter') && $this->chapterRepo->idExists($request->get('chapter'))) ? $request->get('chapter') : null;
-        $input['priority'] = $this->bookRepo->getNewPriority($book);
 
-        $page = $this->pageRepo->saveNew($input, $book, $chapterId);
+        $draftPage = $this->pageRepo->getById($pageId, true);
+
+        $chapterId = $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());
@@ -78,7 +110,8 @@ class PageController extends Controller
 
     /**
      * Display the specified page.
-     *
+     * If the page is not found via the slug the
+     * revisions are searched for a match.
      * @param $bookSlug
      * @param $pageSlug
      * @return Response
@@ -86,29 +119,71 @@ class PageController extends Controller
     public function show($bookSlug, $pageSlug)
     {
         $book = $this->bookRepo->getBySlug($bookSlug);
-        $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+
+        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);
-        return view('pages/show', ['page' => $page, 'book' => $book, 'current' => $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)
     {
-        $this->checkPermission('page-update');
         $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
@@ -116,14 +191,42 @@ class PageController extends Controller
      */
     public function update(Request $request, $bookSlug, $pageSlug)
     {
-        $this->checkPermission('page-update');
+        $this->validate($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' => $utcUpdateTimestamp
+        ]);
+    }
+
     /**
      * Redirect from a special link url which
      * uses the page id rather than the name.
@@ -144,15 +247,32 @@ class PageController extends Controller
      */
     public function showDelete($bookSlug, $pageSlug)
     {
-        $this->checkPermission('page-delete');
         $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 $pageSlug
      * @return Response
@@ -160,12 +280,29 @@ class PageController extends Controller
      */
     public function destroy($bookSlug, $pageSlug)
     {
-        $this->checkPermission('page-delete');
         $book = $this->bookRepo->getBySlug($bookSlug);
         $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
+        $this->checkOwnablePermission('page-delete', $page);
         Activity::addMessage('page_delete', $book->id, $page->name);
-        Activity::removeEntity($page);
-        $page->delete();
+        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());
     }
 
@@ -179,6 +316,7 @@ class PageController extends Controller
     {
         $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]);
     }
 
@@ -195,6 +333,7 @@ class PageController extends Controller
         $page = $this->pageRepo->getBySlug($pageSlug, $book->id);
         $revision = $this->pageRepo->getRevisionById($revisionId);
         $page->fill($revision->toArray());
+        $this->setPageTitle('Page Revision For ' . $page->getShortName());
         return view('pages/revision', ['page' => $page, 'book' => $book]);
     }
 
@@ -207,11 +346,125 @@ class PageController extends Controller
      */
     public function restoreRevision($bookSlug, $pageSlug, $revisionId)
     {
-        $this->checkPermission('page-update');
         $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
+        ]);
+    }
+
+    /**
+     * 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());
+    }
+
 }