CRUD action on embedded document on MongoMapper

user.rb

# User embeds Other and Other embeds Shops.

require 'mongo_mapper'

class User
	include MongoMapper::Document

	key :email, String, :required => true
	one :other
end

class Other
	include MongoMapper::EmbeddedDocument
	many :shops
end

class Shop
	include MongoMapper::EmbeddedDocument
	key :name, String, :required => true
	key :id, String, :requried => true
	key :pw, String, :requried => true
end

User.create(
	:email => "[email protected]",
	:other => {
		:shops => [
			{
				:name => "totoro",
				:id => "asdfsdf",
				:pw => "pw"
			},
			{
				:name => "iphone",
				:id => "asdf",
				:pw => "asdfsadf"
			}
		]
	}
)
result = User.where('other.shops.name' => "totoro")
puts JSON.pretty_generate(JSON.parse(result.to_json))

User.set(
	{ 'other.shops.name' => "totoro" },
	'other.shops.$.pw' => "changed"
)

result = User.where('other.shops.name' => "totoro")
puts JSON.pretty_generate(JSON.parse(result.to_json))

User.destroy_all