Module: Fixjour::Definitions

Included in:
Fixjour
Defined in:
lib/fixjour/definitions.rb

Instance Method Summary collapse

Instance Method Details

#define_create(builder) ⇒ Object

Defines the create_* method



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# File 'lib/fixjour/definitions.rb', line 11

def define_create(builder)
  define_method("create_#{builder.name}") do |*args|
    model = send("new_#{builder.name}", *args)
    model.save!
    model
  end
end

#define_new(builder, &block) ⇒ Object

Defines the new_* method



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# File 'lib/fixjour/definitions.rb', line 4

def define_new(builder, &block)
  define_method("new_#{builder.name}") do |*args|
    Generator.new(builder.klass, block).call(self, args.extract_options!.symbolize_keys!)
  end
end

#define_valid_attributes(builder) ⇒ Object

Defines the valid_*_attributes method



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# File 'lib/fixjour/definitions.rb', line 20

def define_valid_attributes(builder)
  define_method("valid_#{builder.name}_attributes") do |*args|
    record = send("new_#{builder.name}", *args)
    valid_attributes = record.attributes
    valid_attributes.delete_if { |key, value| value.nil? }

    transfer_singular_ids = proc { |reflection|
      if associated = record.send(reflection.name)
        associated.new_record? && associated.save!
        key = reflection.options[:foreign_key] || reflection.name.to_s + '_id'
        valid_attributes[key] = associated.id
      end
    }

    transfer_plural_ids = proc { |reflection|
      associated = record.send(reflection.name)
      if associated.length > 0
        associated.each { |rec| rec.new_record? && rec.save! }
        key = (reflection.options[:foreign_key] || reflection.name).to_s
        key.gsub!(/_ids?$/, '')
        valid_attributes[key.singularize + '_ids'] = associated.map(&:id)
        valid_attributes.delete(reflection.name)
      end
    }

    if builder.klass.respond_to?(:reflect_on_all_associations)
      builder.klass.reflect_on_all_associations(:has_one).each(&transfer_singular_ids)
      builder.klass.reflect_on_all_associations(:belongs_to).each(&transfer_singular_ids)
      builder.klass.reflect_on_all_associations(:has_many).each(&transfer_plural_ids)
    elsif builder.klass.respond_to?(:associations)
      # MongoMapper doesnt support reflections on associations.
      # This little check allows almost identical support
      # for MongoMapper even with the associations.
      builder.klass.associations.each do |name, association|
        if [:one, :belongs_to].include?(association.type)
          transfer_singular_ids.call(association)
        elsif association.type == :many
          transfer_plural_ids.call(association)
        end
      end
    end

    valid_attributes.stringify_keys!
    valid_attributes.make_indifferent!
    valid_attributes
  end
end