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Contents
module ActiveGraph::Shared
# MassAssignment allows you to bulk set and update attributes
#
# Including MassAssignment into your model gives it a set of mass assignment
# methods, similar to those found in ActiveRecord.
#
# @example Usage
# class Person
# include ActiveGraph::Shared::MassAssignment
# end
#
# Originally part of ActiveAttr, https://github.com/cgriego/active_attr
module MassAssignment
extend ActiveSupport::Concern
# Mass update a model's attributes
#
# @example Assigning a hash
# person.assign_attributes(:first_name => "Chris", :last_name => "Griego")
# person.first_name #=> "Chris"
# person.last_name #=> "Griego"
#
# @param [Hash{#to_s => Object}, #each] new_attributes Attributes used to
# populate the model
def assign_attributes(new_attributes = nil)
return unless new_attributes.present?
new_attributes.each do |name, value|
writer = :"#{name}="
if respond_to?(writer)
send(writer, value)
else
add_undeclared_property(name, value)
end
end
end
def add_undeclared_property(_, _); end
# Mass update a model's attributes
#
# @example Assigning a hash
# person.attributes = { :first_name => "Chris", :last_name => "Griego" }
# person.first_name #=> "Chris"
# person.last_name #=> "Griego"
#
# @param (see #assign_attributes)
def attributes=(new_attributes)
assign_attributes(new_attributes)
end
# Initialize a model with a set of attributes
#
# @example Initializing with a hash
# person = Person.new(:first_name => "Chris", :last_name => "Griego")
# person.first_name #=> "Chris"
# person.last_name #=> "Griego"
#
# @param (see #assign_attributes)
def initialize(attributes = nil)
assign_attributes(attributes)
super()
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems