date.rb
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	module Strategies
	module Date
	module_function

	# Generate a new date based serial.
	#
	# A serial is generate based on the current date where 2 digits
	# are held as a counter for changes that happen in the same date.
	# We also make sure that the new serial is larger than the previous
	# one.
	#
	# current_serial - The current zone zone serial.
	#
	# Returns the new serial.
	def generate_serial(current_serial)
	# Optimization for the case that current_serial is a lot larger
	# than the generated serial
	new = [
	Time.now.strftime('%Y%m%d00').to_i,
	current_serial
	].max

	# Increment until we find a spot
	new += 1 while new <= current_serial

	new
	end
	end
	end