Module: Mongokit::ModelHelpers::ClassMethods

Defined in:
lib/mongokit/model_helpers.rb

Overview

Example

class Game
  include Mongoid::Document

  mongokit :model_helpers

  field :format, type: String
  field :category, type: Integer

  multi_fields :city, { venue: 'Mumbai' }, :country  # Default string type
  multi_fields :start_time, :end_time, DateTime

  field_with_validation(:team_type, inclusion: { in: %w(t20 odi test) })

  boolean_methods(:format, %w(t20 odi test), { postfix: 'match' } )
end

game = Game.new(format: 't20')
game.t20_match?  # true
game.odi_match?  # false

Instance Method Summary collapse

Instance Method Details

#boolean_methods(field_name, values, options = {}) ⇒ Object 



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# File 'lib/mongokit/model_helpers.rb', line 29

def boolean_methods(field_name, values, options = {})
  values = values.zip(values).to_h if values.is_a?(Array)

  values.each do |f, v|
    method_name = [
      options[:prefix],
      f,
      options[:postfix],
    ].compact.join('_')

    define_method "#{method_name}?" do
      v == self[field_name]
    end
  end
end

#field_with_validation(field_name, options = {}) ⇒ Object 



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# File 'lib/mongokit/model_helpers.rb', line 63

def field_with_validation(field_name, options = {})
  field field_name, {
    type: options.delete(:type) || String,
    default: options.delete(:default)
  }

  if options.any?
    validates field_name, options
  end
end

#multi_fields(*args) ⇒ Object 



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# File 'lib/mongokit/model_helpers.rb', line 45

def multi_fields(*args)
  type = args.pop
  fields = args

  unless type.is_a?(Class)
    fields << type
    type = String
  end

  fields.each do |f|
    if f.is_a?(Hash)
      f, default_value = f.flatten
    end

    field f, type: type, default: default_value
  end
end