BookStack/app/Entity.php

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PHP
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<?php namespace BookStack;
class Entity extends Ownable
{
public $textField = 'description';
/**
* 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 \Illuminate\Database\Eloquent\Relations\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');
}
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/**
* Get the Tag models that have been user assigned to this entity.
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* @return \Illuminate\Database\Eloquent\Relations\MorphMany
*/
public function tags()
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{
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return $this->morphMany(Tag::class, 'entity')->orderBy('order', 'asc');
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}
/**
* Get the related search terms.
* @return \Illuminate\Database\Eloquent\Relations\MorphMany
*/
public function searchTerms()
{
return $this->morphMany(SearchTerm::class, 'entity');
}
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/**
* 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 $action
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* @return bool
*/
public function hasRestriction($role_id, $action)
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{
return $this->permissions()->where('role_id', '=', $role_id)
->where('action', '=', $action)->count() > 0;
}
/**
* Get the entity jointPermissions this is connected to.
* @return \Illuminate\Database\Eloquent\Relations\MorphMany
*/
public function jointPermissions()
{
return $this->morphMany(JointPermission::class, 'entity');
}
/**
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* Allows checking of the exact class, Used to check entity type.
* Cleaner method for is_a.
* @param $type
* @return bool
*/
public static function isA($type)
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{
return static::getType() === strtolower($type);
}
/**
* Get entity type.
* @return mixed
*/
public static function getType()
{
return strtolower(static::getClassName());
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}
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/**
* Get an instance of an entity of the given type.
* @param $type
* @return Entity
*/
public static function getEntityInstance($type)
{
$types = ['Page', 'Book', 'Chapter'];
$className = str_replace([' ', '-', '_'], '', ucwords($type));
if (!in_array($className, $types)) {
return null;
}
return app('BookStack\\' . $className);
}
/**
* Gets a limited-length version of the entities name.
* @param int $length
* @return string
*/
public function getShortName($length = 25)
{
if (strlen($this->name) <= $length) return $this->name;
return substr($this->name, 0, $length - 3) . '...';
}
/**
* Get the body text of this entity.
* @return mixed
*/
public function getText()
{
return $this->{$this->textField};
}
/**
* Return a generalised, common raw query that can be 'unioned' across entities.
* @return string
*/
public function entityRawQuery(){return '';}
/**
* Get the url of this entity
* @param $path
* @return string
*/
public function getUrl($path){return '/';}
}