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# frozen_string_literal: true
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
ActiveSupport::IsolatedExecutionState[:active_record_no_touching_classes] ||= []
end
end
# Returns +true+ if the class has +no_touching+ set, +false+ otherwise.
#
# Project.no_touching do
# Project.first.no_touching? # true
# Message.first.no_touching? # false
# end
#
def no_touching?
NoTouching.applied_to?(self.class)
end
def touch_later(*) # :nodoc:
super unless no_touching?
end
def touch(*, **) # :nodoc:
super unless no_touching?
end
end
end
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75 entries across 72 versions & 7 rubygems