module ActsAsTenant::ControllerExtensions::SubdomainOrDomain

def find_tenant_by_subdomain_or_domain
  subdomain = request.subdomains.send(subdomain_lookup)
  query = subdomain.present? ? {tenant_primary_column => subdomain.downcase} : {tenant_second_column => request.domain.downcase}
  ActsAsTenant.current_tenant = tenant_class.where(query).first
end