require 'sinatra'
require 'data_mapper'

require './helpers/birthday'

require './models/vip_clients.rb'
require './models/invitations.rb'

DataMapper.setup(:default, ENV['DATABASE_URL'])

get '/' do
  @vip_clients = VipClients.all
  send_invitations
end

def send_invitations
 return greetings if @vip_clients.any?
end


require 'sinatra'
require 'data_mapper'

require './helpers/birthday'

require './models/users.rb'
require './models/invitations.rb'

DataMapper.setup(:default, ENV['DATABASE_URL'])

get '/' do
  @vip_clients = VipClients.all
  send_invitations
end

def send_invitations
 return greetings if @vip_clients.any?
end


--- 
+++ 
@@ -3,7 +3,7 @@
 
 require './helpers/birthday'
 
-require './models/users.rb'
+require './models/vip_clients.rb'
 require './models/invitations.rb'
 
 DataMapper.setup(:default, ENV['DATABASE_URL'])
Rename Model from users to vip_clients
