class Apartment::Elevators::Subdomain

Assumes that database name should match subdomain
Provides a rack based db switching solution based on subdomains

def call(env) 

def call(env)
  request = ActionDispatch::Request.new(env)
  
  database = subdomain(request)
  
  Apartment::Database.switch database if database
  
  @app.call(env)
end

def initialize(app) 

def initialize(app)
  @app = app
end

def subdomain(request) 

def subdomain(request)
  request.subdomain.present? && request.subdomain || nil
end