<?php
namespace Illuminate\Database\Eloquent\Concerns;
use Closure;
use Illuminate\Support\Arr;
use InvalidArgumentException;
use Illuminate\Database\Eloquent\Scope;
trait HasGlobalScopes
{
/**
* Register a new global scope on the model.
*
* @param \Illuminate\Database\Eloquent\Scope|\Closure|string $scope
* @param \Closure|null $implementation
* @return mixed
*
* @throws \InvalidArgumentException
*/
public static function addGlobalScope($scope, Closure $implementation = null)
{
if (is_string($scope) && ! is_null($implementation)) {
return static::$globalScopes[static::class][$scope] = $implementation;
} elseif ($scope instanceof Closure) {
return static::$globalScopes[static::class][spl_object_hash($scope)] = $scope;
} elseif ($scope instanceof Scope) {
return static::$globalScopes[static::class][get_class($scope)] = $scope;
}
throw new InvalidArgumentException('Global scope must be an instance of Closure or Scope.');
}
/**
* Determine if a model has a global scope.
*
* @param \Illuminate\Database\Eloquent\Scope|string $scope
* @return bool
*/
public static function hasGlobalScope($scope)
{
return ! is_null(static::getGlobalScope($scope));
}
/**
* Get a global scope registered with the model.
*
* @param \Illuminate\Database\Eloquent\Scope|string $scope
* @return \Illuminate\Database\Eloquent\Scope|\Closure|null
*/
public static function getGlobalScope($scope)
{
if (is_string($scope)) {
return Arr::get(static::$globalScopes, static::class.'.'.$scope);
}
return Arr::get(
static::$globalScopes, static::class.'.'.get_class($scope)
);
}
/**
* Get the global scopes for this class instance.
*
* @return array
*/
public function getGlobalScopes()
{
return Arr::get(static::$globalScopes, static::class, []);
}
}