Move user db creation to service

app/services/create_account.rb

@@ -1,16 +1,29 @@
 class CreateAccount < ApplicationService
   def initialize(args)
-    @username = args[:username]
-    @email = args[:email]
-    @password = args[:password]
+    @username   = args[:username]
+    @domain     = args[:ou] || "kosmos.org"
+    @email      = args[:email]
+    @password   = args[:password]
+    @invitation = args[:invitation]
   end
 
   def call
+    create_user_in_database
     add_ldap_document
   end
 
   private
 
+  def create_user_in_database
+    User.create!(
+      cn: @username,
+      ou: @domain,
+      email: @email,
+      password: @password,
+      password_confirmation: @password
+    )
+  end
+
   def add_ldap_document
     dn = "cn=#{@username},ou=kosmos.org,cn=users,dc=kosmos,dc=org"
     attr = {