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Contents
# frozen-string-literal: true
module Mobility
=begin
Defines +method_missing+ and +respond_to_missing?+ methods for a set of
attributes such that a method call using a locale accessor, like:
article.title_pt_br
will return the value of +article.title+ with the locale set to +pt-BR+ around
the method call. The class is called "FallthroughAccessors" because when
included in a model class, locale-specific methods will be available even if
not explicitly defined with the +locale_accessors+ option.
This is a less efficient (but more open-ended) implementation of locale
accessors, for use in cases where the locales to be used are not known when the
model class is generated.
@example Using fallthrough locales on a plain old ruby class
class Post
def title
"title in #{Mobility.locale}"
end
include Mobility::FallthroughAccessors.new("title")
end
Mobility.locale = :en
post = Post.new
post.title
#=> "title in en"
post.title_fr
#=> "title in fr"
=end
class FallthroughAccessors < Module
# @param [String] One or more attributes
def initialize(*attributes)
method_name_regex = /\A(#{attributes.join('|'.freeze)})_([a-z]{2}(_[a-z]{2})?)(=?|\??)\z/.freeze
define_method :method_missing do |method_name, *arguments, &block|
if method_name =~ method_name_regex
attribute = $1.to_sym
locale, suffix = $2.split('_'.freeze)
locale = "#{locale}-#{suffix.upcase}".freeze if suffix
Mobility.with_locale(locale) { public_send("#{attribute}#{$4}".freeze, *arguments) }
else
super(method_name, *arguments, &block)
end
end
define_method :respond_to_missing? do |method_name, include_private = false|
(method_name =~ method_name_regex) || super(method_name, include_private)
end
end
end
end
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8 entries across 8 versions & 1 rubygems