101 lines
3.0 KiB
PHP
101 lines
3.0 KiB
PHP
<?php namespace BookStack\Services;
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use BookStack\Entity;
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use BookStack\View;
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class ViewService
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{
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protected $view;
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protected $permissionService;
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/**
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* ViewService constructor.
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* @param View $view
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* @param PermissionService $permissionService
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*/
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public function __construct(View $view, PermissionService $permissionService)
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{
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$this->view = $view;
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$this->permissionService = $permissionService;
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}
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/**
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* Add a view to the given entity.
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* @param Entity $entity
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* @return int
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*/
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public function add(Entity $entity)
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{
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$user = user();
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if ($user === null || $user->isDefault()) return 0;
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$view = $entity->views()->where('user_id', '=', $user->id)->first();
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// Add view if model exists
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if ($view) {
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$view->increment('views');
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return $view->views;
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}
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// Otherwise create new view count
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$entity->views()->save($this->view->create([
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'user_id' => $user->id,
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'views' => 1
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]));
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return 1;
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}
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/**
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* Get the entities with the most views.
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* @param int $count
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* @param int $page
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* @param bool|false|array $filterModel
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*/
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public function getPopular($count = 10, $page = 0, $filterModel = false)
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{
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$skipCount = $count * $page;
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$query = $this->permissionService->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type')
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->select('*', 'viewable_id', 'viewable_type', \DB::raw('SUM(views) as view_count'))
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->groupBy('viewable_id', 'viewable_type')
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->orderBy('view_count', 'desc');
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if ($filterModel && is_array($filterModel)) {
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$query->whereIn('viewable_type', $filterModel);
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} else if ($filterModel) {
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$query->where('viewable_type', '=', get_class($filterModel));
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};
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return $query->with('viewable')->skip($skipCount)->take($count)->get()->pluck('viewable');
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}
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/**
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* Get all recently viewed entities for the current user.
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* @param int $count
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* @param int $page
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* @param Entity|bool $filterModel
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* @return mixed
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*/
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public function getUserRecentlyViewed($count = 10, $page = 0, $filterModel = false)
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{
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$user = user();
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if ($user === null || $user->isDefault()) return collect();
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$query = $this->permissionService
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->filterRestrictedEntityRelations($this->view, 'views', 'viewable_id', 'viewable_type');
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if ($filterModel) $query = $query->where('viewable_type', '=', get_class($filterModel));
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$query = $query->where('user_id', '=', $user->id);
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$viewables = $query->with('viewable')->orderBy('updated_at', 'desc')
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->skip($count * $page)->take($count)->get()->pluck('viewable');
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return $viewables;
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}
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/**
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* Reset all view counts by deleting all views.
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*/
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public function resetAll()
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{
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$this->view->truncate();
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}
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} |