Add prev and next button to navigate through different pages

[bookstack] / app / Http / Controllers / PageController.php

diff --git a/app/Http/Controllers/PageController.php b/app/Http/Controllers/PageController.php
index 67d28a78a45ec388f15444de7621d3d3d29c2105..2bfd55fa0cf07b1797a22d31060773d6e34ec758 100644 (file)
--- a/app/Http/Controllers/PageController.php
+++ b/app/Http/Controllers/PageController.php
@@ -5,6 +5,7 @@ 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\NotifyException;
 use BookStack\Exceptions\PermissionsException;
@@ -141,6 +142,38 @@ class PageController extends Controller
             $page->load(['comments.createdBy']);
         }
 
+        $chapterId = $page->getParentChapter();
+        $allPageSlugs = $this->pageRepo->getPageByChapterID($chapterId[0]->id);
+        $pos = 0;
+        foreach ($allPageSlugs as $slug){
+            if($pageSlug === $slug->slug){
+                $currPagePos = $pos;
+            }
+            $pos++;
+            $pageUrl = $this->pageRepo->getBySlug($bookSlug, $slug->slug);
+            $urlLink[] = $pageUrl->getUrl();
+        }
+        for($i=0; $i <= $currPagePos; $i++){
+            $nextCount = $i+1;
+            $prevCount = $i-1;
+            $prevPage = '#';
+            $nextPage = '#';
+            if($nextCount < count($urlLink)){
+                $nextPage = $urlLink[$nextCount];
+            }
+            if($currPagePos == $i && $currPagePos != 0){
+                $prevPage = $urlLink[$prevCount];    
+            }
+        }
+
+        $disablePrev = "";
+        $disableNxt = "";
+        if($prevPage == "#"){
+            $disablePrev = "disabled";
+        }
+        if($nextPage == "#"){
+            $disableNxt = "disabled";
+        }
         Views::add($page);
         $this->setPageTitle($page->getShortName());
         return view('pages.show', [
@@ -149,7 +182,11 @@ class PageController extends Controller
             'current' => $page,
             'sidebarTree' => $sidebarTree,
             'commentsEnabled' => $commentsEnabled,
-            'pageNav' => $pageNav
+            'pageNav' => $pageNav,
+            'prevPage' => $prevPage,
+            'nextPage' => $nextPage,
+            'disablePrev' => $disablePrev,
+            'disableNxt' => $disableNxt
         ]);
     }
 
@@ -453,14 +490,12 @@ class PageController extends Controller
      * @throws NotFoundException
      * @throws Throwable
      */
-    public function permissions(Request $request, string $bookSlug, string $pageSlug)
+    public function permissions(Request $request, PermissionsUpdater $permissionsUpdater, string $bookSlug, string $pageSlug)
     {
         $page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
         $this->checkOwnablePermission('restrictions-manage', $page);
 
-        $restricted = $request->get('restricted') === 'true';
-        $permissions = $request->filled('restrictions') ? collect($request->get('restrictions')) : null;
-        $this->pageRepo->updatePermissions($page, $restricted, $permissions);
+        $permissionsUpdater->updateFromPermissionsForm($page, $request);
 
         $this->showSuccessNotification(trans('entities.pages_permissions_success'));
         return redirect($page->getUrl());