Sha256: 8c7961467cdc2ffd87b266979a777a9e7d3e18b2087943013ced85766c739ec0
Contents?: true
Size: 1.35 KB
Versions: 53
Compression:
Stored size: 1.35 KB
Contents
module Her
module Model
module NestedAttributes
extend ActiveSupport::Concern
module ClassMethods
# Allow nested attributes for an association
#
# @example
# class User
# include Her::Model
#
# has_one :role
# accepts_nested_attributes_for :role
# end
#
# class Role
# include Her::Model
# end
#
# user = User.new(name: "Tobias", role_attributes: { title: "moderator" })
# user.role # => #<Role title="moderator">
def accepts_nested_attributes_for(*associations)
allowed_association_names = association_names
associations.each do |association_name|
unless allowed_association_names.include?(association_name)
raise Her::Errors::AssociationUnknownError.new("Unknown association name :#{association_name}")
end
class_eval <<-RUBY, __FILE__, __LINE__ + 1
if method_defined?(:#{association_name}_attributes=)
remove_method(:#{association_name}_attributes=)
end
def #{association_name}_attributes=(attributes)
self.#{association_name}.assign_nested_attributes(attributes)
end
RUBY
end
end
end
end
end
end
Version data entries
53 entries across 53 versions & 4 rubygems