mongoid document to_json including all embedded documents without ':include' on each one - ruby

Question

Given an arbitrary mongoid document how do i convert it to JSON and include any embedded structures without specifically including those structures in my to_json statement.
For example:
#!/usr/bin/env ruby
require 'mongoid'
require 'json'
require 'pp'
class Doc
include Mongoid::Document
include Mongoid::Timestamps
field :doc_specific_info , type: String
embeds_many :persons
end
class Person
include Mongoid::Document
field :role , type: String
field :full_name , type: String
embeds_many :addresses
embedded_in :Doc
end
class Address
include Mongoid::Document
field :full_address , type: String
end
doc = Doc.new
doc.doc_specific_info = "TestReport"
p = Person.new
p.role = 'buyer'
p.full_name = 'JOHN DOE'
doc.persons << p
a = Address.new
a.full_address = '1234 nowhere ville'
doc.persons.first.addresses << a
# THIS STATEMENT
pp JSON.parse(doc.to_json(:include => { :persons => { :include => :addresses } } ) )
# GIVES ME
# {"_id"=>"4ee0d30fab1b5c5743000001",
# "created_at"=>nil,
# "doc_specific_info"=>"TestReport",
# "updated_at"=>nil,
# "persons"=>
# [{"_id"=>"4ee0d30fab1b5c5743000002",
# "full_name"=>"JOHN DOE",
# "role"=>"buyer",
# "addresses"=>
# [{"_id"=>"4ee0d30fab1b5c5743000003",
# "full_address"=>"1234 nowhere ville"}]}]}
# THIS STATEMENT
pp JSON.parse(doc.to_json() )
# GIVES ME
# {"_id"=>"4ee0d2f8ab1b5c573f000001",
# "created_at"=>nil,
# "doc_specific_info"=>"TestReport",
# "updated_at"=>nil}
So what I want is a statement something like this:
# FOR A STATEMENT LIKE THIS
pp JSON.parse(doc.to_json( :everything } ) )
# TO GIVE ME THE COMPLETE DOCUMENT LIKE SO:
# {"_id"=>"4ee0d30fab1b5c5743000001",
# "created_at"=>nil,
# "doc_specific_info"=>"TestReport",
# "updated_at"=>nil,
# "persons"=>
# [{"_id"=>"4ee0d30fab1b5c5743000002",
# "full_name"=>"JOHN DOE",
# "role"=>"buyer",
# "addresses"=>
# [{"_id"=>"4ee0d30fab1b5c5743000003",
# "full_address"=>"1234 nowhere ville"}]}]}
Does such a statement exist? If not then is my only alternative recusing the structure of the document and producing the proper includes myself? If there is another way to visualize the whole document that would be better?

Answer 1

This was answered by rubish in the forum but he didn't post an answer so I am doing that.
The answer is to use "doc.as_document.as_json" which will give you the whole document.
pp doc.as_document.as_json

Answer 2

You can override the #to_json method in your document to add all include.
class Person
def to_json(*args)
super(args.merge({:include => { :persons => { :include => :addresses } } } )
end
end
Now you can have all by doing
person.to_json()
If you want return the complete with only :everything option you can do :
class Person
def to_json(*args)
if args[0] == :everything
super(args.merge({:include => { :persons => { :include => :addresses } } } )
else
super(args)
end
end
end