Implemented functionality to make books sort function

Also changed public user settings to be stored in session rather than DB.
Cleaned existing list view type logic.

app/Http/Controllers/BookController.php

@@ -36,18 +36,30 @@ class BookController extends Controller
      */
     public function index()
     {
-        $books = $this->entityRepo->getAllPaginated('book', 18);
+        $view = setting()->getUser($this->currentUser, 'books_view_type', config('app.views.books'));
+        $sort = setting()->getUser($this->currentUser, 'books_sort', 'name');
+        $order = setting()->getUser($this->currentUser, 'books_sort_order', 'asc');
+        $sortOptions = [
+            'name' => trans('common.sort_name'),
+            'created_at' => trans('common.sort_created_at'),
+            'updated_at' => trans('common.sort_updated_at'),
+        ];
+
+        $books = $this->entityRepo->getAllPaginated('book', 18, $sort, $order);
         $recents = $this->signedIn ? $this->entityRepo->getRecentlyViewed('book', 4, 0) : false;
         $popular = $this->entityRepo->getPopular('book', 4, 0);
         $new = $this->entityRepo->getRecentlyCreated('book', 4, 0);
-        $booksViewType = setting()->getUser($this->currentUser, 'books_view_type', config('app.views.books', 'list'));
+
         $this->setPageTitle(trans('entities.books'));
         return view('books/index', [
             'books' => $books,
             'recents' => $recents,
             'popular' => $popular,
             'new' => $new,
-            'booksViewType' => $booksViewType
+            'view' => $view,
+            'sort' => $sort,
+            'order' => $order,
+            'sortOptions' => $sortOptions,
         ]);
     }
 

app/Http/Controllers/Controller.php

@@ -123,6 +123,20 @@ abstract class Controller extends BaseController
         return true;
     }
 
+    /**
+     * Check if the current user has a permission or bypass if the provided user
+     * id matches the current user.
+     * @param string $permissionName
+     * @param int $userId
+     * @return bool
+     */
+    protected function checkPermissionOrCurrentUser(string $permissionName, int $userId)
+    {
+        return $this->checkPermissionOr($permissionName, function() use ($userId) {
+            return $userId === $this->currentUser->id;
+        });
+    }
+
     /**
      * Send back a json error message.
      * @param string $messageText

app/Http/Controllers/UserController.php

@@ -247,19 +247,7 @@ class UserController extends Controller
      */
     public function switchBookView($id, Request $request)
     {
-        $this->checkPermissionOr('users-manage', function () use ($id) {
-            return $this->currentUser->id == $id;
-        });
-
-        $viewType = $request->get('view_type');
-        if (!in_array($viewType, ['grid', 'list'])) {
-            $viewType = 'list';
-        }
-
-        $user = $this->user->findOrFail($id);
-        setting()->putUser($user, 'books_view_type', $viewType);
-
-        return redirect()->back(302, [], "/settings/users/$id");
+        return $this->switchViewType($id, $request, 'books');
     }
 
     /**
@@ -270,18 +258,72 @@ class UserController extends Controller
      */
     public function switchShelfView($id, Request $request)
     {
-        $this->checkPermissionOr('users-manage', function () use ($id) {
-            return $this->currentUser->id == $id;
-        });
+        return $this->switchViewType($id, $request, 'bookshelves');
+    }
+
+    /**
+     * For a type of list, switch with stored view type for a user.
+     * @param integer $userId
+     * @param Request $request
+     * @param string $listName
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    protected function switchViewType($userId, Request $request, string $listName)
+    {
+        $this->checkPermissionOrCurrentUser('users-manage', $userId);
 
         $viewType = $request->get('view_type');
         if (!in_array($viewType, ['grid', 'list'])) {
             $viewType = 'list';
         }
 
-        $user = $this->user->findOrFail($id);
-        setting()->putUser($user, 'bookshelves_view_type', $viewType);
+        $user = $this->user->findOrFail($userId);
+        $key = $listName . '_view_type';
+        setting()->putUser($user, $key, $viewType);
 
-        return redirect()->back(302, [], "/settings/users/$id");
+        return redirect()->back(302, [], "/settings/users/$userId");
     }
+
+    /**
+     * Change the stored sort type for the books view.
+     * @param $id
+     * @param Request $request
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function changeBooksSort($id, Request $request)
+    {
+        // TODO - Test this endpoint
+        return $this->changeListSort($id, $request, 'books');
+    }
+
+    /**
+     * Changed the stored preference for a list sort order.
+     * @param int $userId
+     * @param Request $request
+     * @param string $listName
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    protected function changeListSort(int $userId, Request $request, string $listName)
+    {
+        $this->checkPermissionOrCurrentUser('users-manage', $userId);
+
+        $sort = $request->get('sort');
+        if (!in_array($sort, ['name', 'created_at', 'updated_at'])) {
+            $sort = 'name';
+        }
+
+        $order = $request->get('order');
+        if (!in_array($order, ['asc', 'desc'])) {
+            $order = 'asc';
+        }
+
+        $user = $this->user->findOrFail($userId);
+        $sortKey = $listName . '_sort';
+        $orderKey = $listName . '_sort_order';
+        setting()->putUser($user, $sortKey, $sort);
+        setting()->putUser($user, $orderKey, $order);
+
+        return redirect()->back(302, [], "/settings/users/$userId");
+    }
+
 }