BookStack/app/Services/ViewService.php

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2.8 KiB
PHP
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<?php namespace BookStack\Services;
use BookStack\Entity;
use BookStack\View;
class ViewService
{
protected $view;
protected $user;
protected $permissionService;
/**
* ViewService constructor.
* @param View $view
* @param PermissionService $permissionService
*/
public function __construct(View $view, PermissionService $permissionService)
{
$this->view = $view;
$this->user = auth()->user();
$this->permissionService = $permissionService;
}
/**
* Add a view to the given entity.
* @param Entity $entity
* @return int
*/
public function add(Entity $entity)
{
if ($this->user === null) return 0;
$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 the entities with the most views.
* @param int $count
* @param int $page
* @param bool|false $filterModel
*/
public function getPopular($count = 10, $page = 0, $filterModel = false)
{
$skipCount = $count * $page;
$query = $this->permissionService->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type')
->select('*', 'viewable_id', 'viewable_type', \DB::raw('SUM(views) as view_count'))
->groupBy('viewable_id', 'viewable_type')
->orderBy('view_count', 'desc');
if ($filterModel) $query->where('viewable_type', '=', get_class($filterModel));
return $query->with('viewable')->skip($skipCount)->take($count)->get()->pluck('viewable');
}
/**
* 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, $filterModel = false)
{
if ($this->user === null) return collect();
$query = $this->permissionService
->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type');
if ($filterModel) $query = $query->where('viewable_type', '=', get_class($filterModel));
$query = $query->where('user_id', '=', auth()->user()->id);
$viewables = $query->with('viewable')->orderBy('updated_at', 'desc')
->skip($count * $page)->take($count)->get()->pluck('viewable');
return $viewables;
}
/**
* Reset all view counts by deleting all views.
*/
public function resetAll()
{
$this->view->truncate();
}
}