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# frozen_string_literal: true
require "active_support/core_ext/hash/keys"
module ActiveModel
module AttributeAssignment
include ActiveModel::ForbiddenAttributesProtection
# Allows you to set all the attributes by passing in a hash of attributes with
# keys matching the attribute names.
#
# If the passed hash responds to <tt>permitted?</tt> method and the return value
# of this method is +false+ an <tt>ActiveModel::ForbiddenAttributesError</tt>
# exception is raised.
#
# class Cat
# include ActiveModel::AttributeAssignment
# attr_accessor :name, :status
# end
#
# cat = Cat.new
# cat.assign_attributes(name: "Gorby", status: "yawning")
# cat.name # => 'Gorby'
# cat.status # => 'yawning'
# cat.assign_attributes(status: "sleeping")
# cat.name # => 'Gorby'
# cat.status # => 'sleeping'
def assign_attributes(new_attributes)
unless new_attributes.respond_to?(:each_pair)
raise ArgumentError, "When assigning attributes, you must pass a hash as an argument, #{new_attributes.class} passed."
end
return if new_attributes.empty?
_assign_attributes(sanitize_for_mass_assignment(new_attributes))
end
alias attributes= assign_attributes
private
def _assign_attributes(attributes)
attributes.each do |k, v|
_assign_attribute(k, v)
end
end
def _assign_attribute(k, v)
setter = :"#{k}="
if respond_to?(setter)
public_send(setter, v)
else
raise UnknownAttributeError.new(self, k.to_s)
end
end
end
end
Version data entries
82 entries across 78 versions & 9 rubygems