Class: ActiveRecord::Associations::Preloader::HasMany

Inherits:
Object
  • Object
show all
Defined in:
lib/includes_many/active_record32/has_many.rb,
lib/includes_many/active_record40/has_many.rb,
lib/includes_many/active_record41/has_many.rb,
lib/includes_many/active_record42/has_many.rb

Instance Method Summary collapse

Instance Method Details

#association_key_name ⇒ Object

method is fully rewritten



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# File 'lib/includes_many/active_record32/has_many.rb', line 8

def association_key_name
  fk = reflection.foreign_key
  if fk.respond_to?(:call)
    fk.call(owners.first)
  else
    fk
  end
end

#owners_by_key ⇒ Object

method is fully rewritten



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# File 'lib/includes_many/active_record32/has_many.rb', line 20

def owners_by_key
  @owners_by_key ||= begin
    res = Hash.new { |h,k| h[k] = Set.new }
    owners.each do |owner|
      key = if owner_key_name.respond_to?(:call)
        owner_key_name.call(owner)
      else
        owner[owner_key_name]
      end

      if key.respond_to?(:each)
        key.each { |k| res[k && k.to_s] << owner }
      else
        res[key && key.to_s] << owner
      end
    end
    res
  end
end