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Stored size: 1009 Bytes
Contents
require "active_model"
module Shamu
# Adds `to_model_id` to several classes that are often used to look up
# models by id.
module ToModelIdExtension
# Extend common classes to add `to_model_id` method.
def self.extend!
Integer.include Integers
String.include Strings
Array.include Enumerables
ActiveRecord::Base.include Models if defined? ActiveRecord::Base
end
# Add `to_model_id` to String types.
module Strings
NUMERIC_PATTERN = /\A\s*[0-9]+\z/
def to_model_id
self =~ NUMERIC_PATTERN ? to_i : nil
end
end
# Add `to_model_id` to Integer types.
module Integers
def to_model_id
self
end
end
# Add `to_model_id` to Enumerable types.
module Enumerables
def to_model_id
map( &:to_model_id )
end
end
# Add `to_model_id` to ActiveModel types.
module Models
def to_model_id
id
end
end
end
end
Shamu::ToModelIdExtension.extend!
Version data entries
9 entries across 9 versions & 1 rubygems