116 lines
3.4 KiB
PHP
116 lines
3.4 KiB
PHP
<?php namespace BookStack\Actions;
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use BookStack\Auth\Permissions\PermissionService;
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use BookStack\Entities\Models\Book;
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use BookStack\Entities\Models\Entity;
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use BookStack\Entities\EntityProvider;
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use DB;
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use Illuminate\Support\Collection;
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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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protected $entityProvider;
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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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* @param EntityProvider $entityProvider
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*/
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public function __construct(View $view, PermissionService $permissionService, EntityProvider $entityProvider)
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{
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$this->view = $view;
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$this->permissionService = $permissionService;
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$this->entityProvider = $entityProvider;
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}
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/**
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* Add a view to the given entity.
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* @param \BookStack\Entities\Models\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 || $user->isDefault()) {
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return 0;
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}
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$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->newInstance([
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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 string|array $filterModels
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* @param string $action - used for permission checking
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* @return Collection
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*/
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public function getPopular(int $count = 10, int $page = 0, array $filterModels = null, string $action = 'view')
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{
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$skipCount = $count * $page;
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$query = $this->permissionService
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->filterRestrictedEntityRelations($this->view->newQuery(), 'views', 'viewable_id', 'viewable_type', $action)
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->select('*', 'viewable_id', 'viewable_type', DB::raw('SUM(views) as view_count'))
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->groupBy('viewable_id', 'viewable_type')
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->orderBy('view_count', 'desc');
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if ($filterModels) {
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$query->whereIn('viewable_type', $this->entityProvider->getMorphClasses($filterModels));
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}
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return $query->with('viewable')
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->skip($skipCount)
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->take($count)
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->get()
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->pluck('viewable')
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->filter();
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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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*/
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public function getUserRecentlyViewed(int $count = 10, int $page = 1)
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{
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$user = user();
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if ($user === null || $user->isDefault()) {
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return collect();
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}
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$all = collect();
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/** @var Entity $instance */
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foreach ($this->entityProvider->all() as $name => $instance) {
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$items = $instance::visible()->withLastView()
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->orderBy('last_viewed_at', 'desc')
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->skip($count * ($page - 1))
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->take($count)
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->get();
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$all = $all->concat($items);
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}
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return $all->sortByDesc('last_viewed_at')->slice(0, $count);
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}
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/**
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* Reset all view counts by deleting all views.
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*/
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public function resetAll()
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{
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$this->view->truncate();
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}
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}
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