mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-10-01 01:36:00 -04:00
334 lines
8.7 KiB
PHP
334 lines
8.7 KiB
PHP
<?php namespace BookStack\Entities;
|
|
|
|
use BookStack\Actions\Activity;
|
|
use BookStack\Actions\Comment;
|
|
use BookStack\Actions\Tag;
|
|
use BookStack\Actions\View;
|
|
use BookStack\Auth\Permissions\EntityPermission;
|
|
use BookStack\Auth\Permissions\JointPermission;
|
|
use BookStack\Facades\Permissions;
|
|
use BookStack\Ownable;
|
|
use Carbon\Carbon;
|
|
use Illuminate\Database\Eloquent\Builder;
|
|
use Illuminate\Database\Eloquent\Collection;
|
|
use Illuminate\Database\Eloquent\Relations\MorphMany;
|
|
use Illuminate\Database\Eloquent\SoftDeletes;
|
|
|
|
/**
|
|
* Class Entity
|
|
* The base class for book-like items such as pages, chapters & books.
|
|
* This is not a database model in itself but extended.
|
|
*
|
|
* @property int $id
|
|
* @property string $name
|
|
* @property string $slug
|
|
* @property Carbon $created_at
|
|
* @property Carbon $updated_at
|
|
* @property int $created_by
|
|
* @property int $updated_by
|
|
* @property boolean $restricted
|
|
* @property Collection $tags
|
|
* @method static Entity|Builder visible()
|
|
* @method static Entity|Builder hasPermission(string $permission)
|
|
* @method static Builder withLastView()
|
|
* @method static Builder withViewCount()
|
|
*
|
|
* @package BookStack\Entities
|
|
*/
|
|
class Entity extends Ownable
|
|
{
|
|
use SoftDeletes;
|
|
|
|
/**
|
|
* @var string - Name of property where the main text content is found
|
|
*/
|
|
public $textField = 'description';
|
|
|
|
/**
|
|
* @var float - Multiplier for search indexing.
|
|
*/
|
|
public $searchFactor = 1.0;
|
|
|
|
/**
|
|
* Get the entities that are visible to the current user.
|
|
*/
|
|
public function scopeVisible(Builder $query)
|
|
{
|
|
return $this->scopeHasPermission($query, 'view');
|
|
}
|
|
|
|
/**
|
|
* Scope the query to those entities that the current user has the given permission for.
|
|
*/
|
|
public function scopeHasPermission(Builder $query, string $permission)
|
|
{
|
|
return Permissions::restrictEntityQuery($query, $permission);
|
|
}
|
|
|
|
/**
|
|
* Query scope to get the last view from the current user.
|
|
*/
|
|
public function scopeWithLastView(Builder $query)
|
|
{
|
|
$viewedAtQuery = View::query()->select('updated_at')
|
|
->whereColumn('viewable_id', '=', $this->getTable() . '.id')
|
|
->where('viewable_type', '=', $this->getMorphClass())
|
|
->where('user_id', '=', user()->id)
|
|
->take(1);
|
|
|
|
return $query->addSelect(['last_viewed_at' => $viewedAtQuery]);
|
|
}
|
|
|
|
/**
|
|
* Query scope to get the total view count of the entities.
|
|
*/
|
|
public function scopeWithViewCount(Builder $query)
|
|
{
|
|
$viewCountQuery = View::query()->selectRaw('SUM(views) as view_count')
|
|
->whereColumn('viewable_id', '=', $this->getTable() . '.id')
|
|
->where('viewable_type', '=', $this->getMorphClass())->take(1);
|
|
|
|
$query->addSelect(['view_count' => $viewCountQuery]);
|
|
}
|
|
|
|
/**
|
|
* Compares this entity to another given entity.
|
|
* Matches by comparing class and id.
|
|
* @param $entity
|
|
* @return bool
|
|
*/
|
|
public function matches($entity)
|
|
{
|
|
return [get_class($this), $this->id] === [get_class($entity), $entity->id];
|
|
}
|
|
|
|
/**
|
|
* Checks if an entity matches or contains another given entity.
|
|
* @param Entity $entity
|
|
* @return bool
|
|
*/
|
|
public function matchesOrContains(Entity $entity)
|
|
{
|
|
$matches = [get_class($this), $this->id] === [get_class($entity), $entity->id];
|
|
|
|
if ($matches) {
|
|
return true;
|
|
}
|
|
|
|
if (($entity->isA('chapter') || $entity->isA('page')) && $this->isA('book')) {
|
|
return $entity->book_id === $this->id;
|
|
}
|
|
|
|
if ($entity->isA('page') && $this->isA('chapter')) {
|
|
return $entity->chapter_id === $this->id;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Gets the activity objects for this entity.
|
|
* @return MorphMany
|
|
*/
|
|
public function activity()
|
|
{
|
|
return $this->morphMany(Activity::class, 'entity')
|
|
->orderBy('created_at', 'desc');
|
|
}
|
|
|
|
/**
|
|
* Get View objects for this entity.
|
|
*/
|
|
public function views()
|
|
{
|
|
return $this->morphMany(View::class, 'viewable');
|
|
}
|
|
|
|
/**
|
|
* Get the Tag models that have been user assigned to this entity.
|
|
* @return MorphMany
|
|
*/
|
|
public function tags()
|
|
{
|
|
return $this->morphMany(Tag::class, 'entity')->orderBy('order', 'asc');
|
|
}
|
|
|
|
/**
|
|
* Get the comments for an entity
|
|
* @param bool $orderByCreated
|
|
* @return MorphMany
|
|
*/
|
|
public function comments($orderByCreated = true)
|
|
{
|
|
$query = $this->morphMany(Comment::class, 'entity');
|
|
return $orderByCreated ? $query->orderBy('created_at', 'asc') : $query;
|
|
}
|
|
|
|
/**
|
|
* Get the related search terms.
|
|
* @return MorphMany
|
|
*/
|
|
public function searchTerms()
|
|
{
|
|
return $this->morphMany(SearchTerm::class, 'entity');
|
|
}
|
|
|
|
/**
|
|
* Get this entities restrictions.
|
|
*/
|
|
public function permissions()
|
|
{
|
|
return $this->morphMany(EntityPermission::class, 'restrictable');
|
|
}
|
|
|
|
/**
|
|
* Check if this entity has a specific restriction set against it.
|
|
* @param $role_id
|
|
* @param $action
|
|
* @return bool
|
|
*/
|
|
public function hasRestriction($role_id, $action)
|
|
{
|
|
return $this->permissions()->where('role_id', '=', $role_id)
|
|
->where('action', '=', $action)->count() > 0;
|
|
}
|
|
|
|
/**
|
|
* Get the entity jointPermissions this is connected to.
|
|
*/
|
|
public function jointPermissions(): MorphMany
|
|
{
|
|
return $this->morphMany(JointPermission::class, 'entity');
|
|
}
|
|
|
|
/**
|
|
* Get the related delete records for this entity.
|
|
*/
|
|
public function deletions(): MorphMany
|
|
{
|
|
return $this->morphMany(Deletion::class, 'deletable');
|
|
}
|
|
|
|
/**
|
|
* Check if this instance or class is a certain type of entity.
|
|
* Examples of $type are 'page', 'book', 'chapter'
|
|
*/
|
|
public static function isA(string $type): bool
|
|
{
|
|
return static::getType() === strtolower($type);
|
|
}
|
|
|
|
/**
|
|
* Get entity type.
|
|
* @return mixed
|
|
*/
|
|
public static function getType()
|
|
{
|
|
return strtolower(static::getClassName());
|
|
}
|
|
|
|
/**
|
|
* Get an instance of an entity of the given type.
|
|
* @param $type
|
|
* @return Entity
|
|
*/
|
|
public static function getEntityInstance($type)
|
|
{
|
|
$types = ['Page', 'Book', 'Chapter', 'Bookshelf'];
|
|
$className = str_replace([' ', '-', '_'], '', ucwords($type));
|
|
if (!in_array($className, $types)) {
|
|
return null;
|
|
}
|
|
|
|
return app('BookStack\\Entities\\' . $className);
|
|
}
|
|
|
|
/**
|
|
* Gets a limited-length version of the entities name.
|
|
*/
|
|
public function getShortName(int $length = 25): string
|
|
{
|
|
if (mb_strlen($this->name) <= $length) {
|
|
return $this->name;
|
|
}
|
|
return mb_substr($this->name, 0, $length - 3) . '...';
|
|
}
|
|
|
|
/**
|
|
* Get the body text of this entity.
|
|
* @return mixed
|
|
*/
|
|
public function getText()
|
|
{
|
|
return $this->{$this->textField};
|
|
}
|
|
|
|
/**
|
|
* Get an excerpt of this entity's descriptive content to the specified length.
|
|
* @param int $length
|
|
* @return mixed
|
|
*/
|
|
public function getExcerpt(int $length = 100)
|
|
{
|
|
$text = $this->getText();
|
|
if (mb_strlen($text) > $length) {
|
|
$text = mb_substr($text, 0, $length-3) . '...';
|
|
}
|
|
return trim($text);
|
|
}
|
|
|
|
/**
|
|
* Get the url of this entity
|
|
* @param $path
|
|
* @return string
|
|
*/
|
|
public function getUrl($path = '/')
|
|
{
|
|
return $path;
|
|
}
|
|
|
|
/**
|
|
* Get the parent entity if existing.
|
|
* This is the "static" parent and does not include dynamic
|
|
* relations such as shelves to books.
|
|
*/
|
|
public function getParent(): ?Entity
|
|
{
|
|
if ($this->isA('page')) {
|
|
return $this->chapter_id ? $this->chapter()->withTrashed()->first() : $this->book()->withTrashed()->first();
|
|
}
|
|
if ($this->isA('chapter')) {
|
|
return $this->book()->withTrashed()->first();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Rebuild the permissions for this entity.
|
|
*/
|
|
public function rebuildPermissions()
|
|
{
|
|
/** @noinspection PhpUnhandledExceptionInspection */
|
|
Permissions::buildJointPermissionsForEntity(clone $this);
|
|
}
|
|
|
|
/**
|
|
* Index the current entity for search
|
|
*/
|
|
public function indexForSearch()
|
|
{
|
|
$searchService = app()->make(SearchService::class);
|
|
$searchService->indexEntity(clone $this);
|
|
}
|
|
|
|
/**
|
|
* Generate and set a new URL slug for this model.
|
|
*/
|
|
public function refreshSlug(): string
|
|
{
|
|
$generator = new SlugGenerator($this);
|
|
$this->slug = $generator->generate();
|
|
return $this->slug;
|
|
}
|
|
}
|