Methods
Instance Public methods
assign_attributes(new_attributes)
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 permitted? method and the return value of this method is false an ActiveModel::ForbiddenAttributesError 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'
Also aliased as: attributes=
📝 Source code
# File activemodel/lib/active_model/attribute_assignment.rb, line 28
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