Module: ActiveModel::AttributeAssignment
- Includes:
- ForbiddenAttributesProtection
- Included in:
- Model, ActiveRecord::AttributeAssignment
- Defined in:
- activemodel/lib/active_model/attribute_assignment.rb
Instance Method Summary collapse
-
#assign_attributes(new_attributes) ⇒ Object
(also: #attributes=)
Allows you to set all the attributes by passing in a hash of attributes with keys matching the attribute names.
Instance Method Details
#assign_attributes(new_attributes) ⇒ Object Also known as: 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'
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# File 'activemodel/lib/active_model/attribute_assignment.rb', line 28 def assign_attributes(new_attributes) if !new_attributes.respond_to?(:stringify_keys) raise ArgumentError, "When assigning attributes, you must pass a hash as an argument, #{new_attributes.class} passed." end return if new_attributes.empty? attributes = new_attributes.stringify_keys _assign_attributes(sanitize_for_mass_assignment(attributes)) end |