mappum

== mappum

Mappum is the tree to tree (object, bean etc.) mapping DSL. The example of usage is provided below. More documentation will follow.

Mappum.catalogue_add "CRM-ERP" do

map ERP::Person, CRM::Client do |p, c|

#simple mapping
map p.title <=> c.title

#map with simple function call
map p.person_id << c.key.downcase
map p.person_id.upcase >> c.key

#dictionary use
map p.sex <=> c.sex_id, :dict => {"F" => "1", "M" => "2"}

#submaps
map p.address(ERP::Address) <=> c.address(CRM::Address) do |a, b|
  map a.street <=> b.street
  #etc.
end

#subobject to fields
map p.main_phone(ERP::Phone) <=> c.self do |a, b|
  map a.number <=> b.main_phone
  map a.type <=> b.main_phone_type
end

#compilcated function call
map p.name >> c.surname do |name|
  name + "ski"
end
map p.name << c.surname do |name|
  if name =~ /ski/
    name[0..-4]
  else
    name
  end
end
#field to array and array to field
map p.email1 <=> c.emails[0]
map p.email2 <=> c.emails[1]
map p.email3 <=> c.emails[2]

map p.phones(ERP::Phone)[] <=> c.phones[] do |a, b|
  map a.number <=> b.self
end

end end