Module: HasDefaultAssociation::ClassMethods

Defined in:
lib/has_default_association.rb

Instance Method Summary collapse

Instance Method Details

#has_default_association(*names, &default_proc) ⇒ Object Also known as: has_default_associations

Declare default associations for ActiveRecord models.

# Build a new association on demand
belongs_to :address
has_default_association :address 

# Build a custom assocation on demand
belongs_to :address
has_default_association :address do |model|
  Address.new(:name => model.full_name)
end

Options

eager will instantiate a default assocation when a model is initialized.



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# File 'lib/has_default_association.rb', line 26

def has_default_association *names, &default_proc
  opts = names.extract_options!
  opts.assert_valid_keys(:eager)
  
  names.each do |name|
    create_default_association(name, default_proc)
    add_default_association_callback(name) if opts[:eager]
  end
end