# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
module Format; module Currency


	# Converts currency units into subunits.
	# @param [String] units
	# @return [Integer]
	def self.dollars_to_cents(units)
		return (units.gsub(',','').gsub(Settings.intntl.currencies[0],'').to_f * 100).to_i
	end

	# Converts currency subunits into units.
	# @param [Integer] subunits
	# @return [String]
	def self.cents_to_dollars(subunits)
		return (subunits.to_f / 100.0).to_s
			.gsub(/^(\d+)\.0$/, '\1') # remove trailing zero if no decimals (eg. "1.0" -> "1")
			.gsub(/^(\d+)\.(\d)$/, '\1.\20') # add a second zero if single decimal (eg. "9.9" -> "9.90")
	end

end; end