smtlaissezfaire / denormalize_mm

denormalize_mm

Easily Denormalize fields and associations without writing lots of custom before_validations_

Examples:

Initializer - config/initializers/mongo_mapper.rb:

  require 'mongo_mapper/denormalization'

Denormalizing a field:

class Employer
  include MongoMapper::Document

  key :name
end

class Employee
  include MongoMapper::Document
  include MongoMapper::Denormalization

  key :employer_name, String

  denormalize_field :employer, :name
  # or:
  # denormalize_field :employer, :name, :target_field => :employer_name
end

Denormalizing an association:

class Survey
  include MongoMapper::Document

  has_many :survey_questions
  has_many :survey_responses
end

class SurveyQuestion
  include MongoMapper::Document

  belongs_to :survey
end

class SurveyResponseOption
  include MongoMapper::Document
  include MongoMapper::Denormalization

  belongs_to :survey
  belongs_to :survey_question

  denormalize_association :survey, :from => :survey_question
end