+<?php namespace BookStack\Services;
+
+
+use BookStack\Entity;
+use BookStack\View;
+
+class ViewService
+{
+
+ protected $view;
+ protected $user;
+
+ /**
+ * ViewService constructor.
+ * @param $view
+ */
+ public function __construct(View $view)
+ {
+ $this->view = $view;
+ $this->user = auth()->user();
+ }
+
+ /**
+ * Add a view to the given entity.
+ * @param Entity $entity
+ * @return int
+ */
+ public function add(Entity $entity)
+ {
+ $view = $entity->views()->where('user_id', '=', $this->user->id)->first();
+ // Add view if model exists
+ if ($view) {
+ $view->increment('views');
+ return $view->views;
+ }
+
+ // Otherwise create new view count
+ $entity->views()->save($this->view->create([
+ 'user_id' => $this->user->id,
+ 'views' => 1
+ ]));
+
+ return 1;
+ }
+
+ /**
+ * Get all recently viewed entities for the current user.
+ * @param int $count
+ * @param int $page
+ * @param Entity|bool $filterModel
+ * @return mixed
+ */
+ public function getUserRecentlyViewed($count = 10, $page = 0, $filterModel = false)
+ {
+ $skipCount = $count * $page;
+ $query = $this->view->where('user_id', '=', auth()->user()->id);
+
+ if ($filterModel) $query->where('viewable_type', '=', get_class($filterModel));
+
+ $views = $query->with('viewable')->orderBy('updated_at', 'desc')->skip($skipCount)->take($count)->get();
+ $viewedEntities = $views->map(function ($item) {
+ return $item->viewable()->getResults();
+ });
+ return $viewedEntities;
+ }
+
+
+ /**
+ * Reset all view counts by deleting all views.
+ */
+ public function resetAll()
+ {
+ $this->view->truncate();
+ }
+
+
+}
\ No newline at end of file