/**
* Reformat role in a clean way. This filter assumes that the roles passed are known to {@see
* RoleHierarchyHelper} and formatted following the ROLE_%s mask.
*
* @example
* roleFilter(['ROLE_USER']) // "user"
* roleFilter(['ROLE_ADMIN']) // "admin"
* roleFilter(['ROLE_SUPER_ADMIN']) // "root"
*
* @param array $roles Array of valid Symfony roles.
*
* @return string Formatted top role if role known, empty string otherwise.
*/
public function userTopRoleFilter(array $roles)
{
$topRole = RoleHierarchyHelper::getTopLevelRole($roles);
if (null === $topRole) {
return '';
}
if ('ROLE_SUPER_ADMIN' === $topRole) {
return 'root';
}
return strtolower(substr($topRole, 5));
}
/**
* @testdox Test RoleHierarchyHelper::getTopLevelRole().
*
* @covers ::getTopLevelRole
* @dataProvider rolesProvider
*
* @param array $roles List of roles.
* @param string|null $expected Expected value returned by the method.
*/
public function testGetTopLevelRole(array $roles, $expected)
{
$this->assertEquals($expected, RoleHierarchyHelper::getTopLevelRole($roles));
}