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Contents
module ActiveRecord
# = Active Record No Touching
module NoTouching
extend ActiveSupport::Concern
module ClassMethods
# Lets you selectively disable calls to `touch` for the
# duration of a block.
#
# ==== Examples
# ActiveRecord::Base.no_touching do
# Project.first.touch # does nothing
# Message.first.touch # does nothing
# end
#
# Project.no_touching do
# Project.first.touch # does nothing
# Message.first.touch # works, but does not touch the associated project
# end
#
def no_touching(&block)
NoTouching.apply_to(self, &block)
end
end
class << self
def apply_to(klass) #:nodoc:
klasses.push(klass)
yield
ensure
klasses.pop
end
def applied_to?(klass) #:nodoc:
klasses.any? { |k| k >= klass }
end
private
def klasses
Thread.current[:no_touching_classes] ||= []
end
end
def no_touching?
NoTouching.applied_to?(self.class)
end
def touch(*) # :nodoc:
super unless no_touching?
end
end
end
Version data entries
55 entries across 54 versions & 9 rubygems