/**
* Returns the user role of a given user.
*
* @return UserRoleProject The user role on the project
*
* @throws InvalidArgumentException Throws an exception if no role was found for the given user on the project.
*/
public function getUserRole(User $user)
{
foreach ($this->userRoles as $userRole) {
if ($user->equals($userRole->getUser())) {
return $userRole;
}
}
return null;
}
