method

assign_attributes

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: AttributeAssignment

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What's this?

assign_attributes(new_attributes) public

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'

Show source

# 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

assign_attributes

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