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<?php |
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namespace Spatie\Permission\Traits; |
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use Spatie\Permission\Contracts\Permission; |
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trait HasPermissions |
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{ |
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/** |
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* Grant the given permission(s) to a role. |
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* |
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* @param string|array|Permission|\Illuminate\Support\Collection $permissions |
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* |
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* @return HasPermissions |
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*/ |
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public function givePermissionTo(...$permissions) |
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{ |
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collect($permissions) |
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->flatten() |
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->map(function ($permission) { |
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return $this->getStoredPermission($permission); |
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}) |
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->each(function (Permission $permission) { |
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return $this->permissions()->save($permission); |
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}); |
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$this->forgetCachedPermissions(); |
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return $this; |
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} |
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/** |
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* Remove all current permissions and set the given ones. |
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* |
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* @param array ...$permissions |
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*/ |
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public function syncPermissions(...$permissions) |
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{ |
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$this->permissions()->detach(); |
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collect($permissions) |
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->flatten() |
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->map(function ($permission) { |
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return $this->getStoredPermission($permission); |
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})->each(function (Permission $permission) { |
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$this->permissions()->save($permission); |
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}); |
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} |
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/** |
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* Revoke the given permission. |
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* |
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* @param $permission |
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* |
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* @return HasPermissions |
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*/ |
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public function revokePermissionTo($permission) |
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{ |
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$this->permissions()->detach($this->getStoredPermission($permission)); |
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$this->forgetCachedPermissions(); |
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return $this; |
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} |
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/** |
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* @param string|array|Permission|\Illuminate\Support\Collection $permissions |
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* |
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* @return Permission |
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*/ |
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protected function getStoredPermission($permissions) |
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{ |
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if (is_string($permissions)) { |
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return app(Permission::class)->findByName($permissions); |
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} |
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if (is_array($permissions)) { |
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return app(Permission::class)->whereIn('name', $permissions)->get(); |
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} |
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return $permissions; |
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} |
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} |
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In PHP traits cannot be used for type-hinting as they do not define a well-defined structure. This is because any class that uses a trait can rename that trait’s methods.
If you would like to return an object that has a guaranteed set of methods, you could create a companion interface that lists these methods explicitly.