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require 'active_support/core_ext/object/inclusion'
module ActiveRecord::Associations::Builder
class HasMany < CollectionAssociation #:nodoc:
def macro
:has_many
end
def valid_options
super + [:primary_key, :dependent, :as, :through, :source, :source_type, :inverse_of]
end
def build
reflection = super
configure_dependency
reflection
end
private
def configure_dependency
if dependent = options[:dependent]
check_valid_dependent! dependent, [:destroy, :delete_all, :nullify, :restrict]
dependent_restrict_deprecation_warning if dependent == :restrict
send("define_#{dependent}_dependency_method")
model.before_destroy dependency_method_name
end
end
def define_destroy_dependency_method
name = self.name
mixin.redefine_method(dependency_method_name) do
send(name).each do |o|
# No point in executing the counter update since we're going to destroy the parent anyway
o.mark_for_destruction
end
send(name).delete_all
end
end
def define_delete_all_dependency_method
name = self.name
mixin.redefine_method(dependency_method_name) do
association(name).delete_all
end
end
def define_nullify_dependency_method
name = self.name
mixin.redefine_method(dependency_method_name) do
send(name).delete_all
end
end
def dependency_method_name
"has_many_dependent_for_#{name}"
end
end
end
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