class Apartment::Elevators::Host


=> a.b.c.d.com
=> example.bc.ca
if ignored_first_subdomains = [‘www’]
=> www.example.bc.ca<br>eg. example.com => example.com
Strips/ignores first subdomains in ignored_first_subdomains
Assumes that tenant name should match host
Provides a rack based tenant switching solution based on the host

def self.ignored_first_subdomains 

def self.ignored_first_subdomains
  @ignored_first_subdomains ||= []
end

def self.ignored_first_subdomains=(arg)

rubocop:disable Style/TrivialAccessors 
def self.ignored_first_subdomains=(arg)
  @ignored_first_subdomains = arg
end

def parse_tenant_name(request) 

def parse_tenant_name(request)
  return nil if request.host.blank?
  parts = request.host.split('.')
  self.class.ignored_first_subdomains.include?(parts[0]) ? parts.drop(1).join('.') : request.host
end