มอดูล:TimeAgo/sandbox

-- Replacement for Template:Time ago
local getArgs = require('Module:Arguments').getArgs
local p = {}
function p.main( frame )
	local args = getArgs( frame, {
		valueFunc = function( k, v )
			if v then
				v = v:match( '^%s*(.-)%s*$' ) -- Trim whitespace.
				if k == 'ago' or v ~=  then
					return v
				end
			end
			return nil
		end
	})
	return p._main( args )
end
function p._main( args )
	-- Initialize variables
	local lang = mw.language.getContentLanguage()
	local ago
	local auto_magnitude_num
	local min_magnitude_num
	local result
	local result_unit
	local magnitude = args.magnitude
	local min_magnitude = args.min_magnitude
	local purge = args.purge
	
	-- Generate the "ago" string. If ago is the blank string, do nothing - this allows overriding of args.ago
	-- in cases where the module is used to generate something like "where he has worked for the past 20 years."
	ago = args.ago
	if ago and ago ~=  then
		ago = ' ' .. ago
	elseif not ago then
		ago = ' ago'
	end
	-- Add a purge link if something (usually "yes") is entered into the purge parameter
	if purge then
		purge = ' (' .. mw.title.getCurrentTitle():fullUrl('action=purge') .. ' purge)'
	else
		purge = 
	end
	-- Check that the entered timestamp is valid. If it isn't, then give an error message.
	local noError, inputTime = pcall( lang.formatDate, lang, 'U', args1 )
	if not noError then
		return 'Error: first parameter cannot be parsed as a date or time.'
	end
	-- Store the difference between the current time and the inputted time, as well as its absolute value.
	local timeDiff = lang:formatDate( 'U' ) - inputTime
	local absTimeDiff = math.abs( timeDiff )
	if magnitude then
		auto_magnitude_num = 0
		min_magnitude_num = timeTextmagnitude
	else
		-- Calculate the appropriate unit of time if it was not specified as an argument.
		local autoMagnitudeData = {
			{denom = 63115200, amn = 31557600},
			{denom = 5356800, amn = 2678400},
			{denom = 172800, amn = 86400},
			{denom = 7200, amn = 3600},
			{denom = 120, amn = 60}
		}
		for i, t in ipairs(autoMagnitudeData) do
			if absTimeDiff / t.denom >= 1 then
				auto_magnitude_num = t.amn
				break
			end
		end
		auto_magnitude_num = auto_magnitude_num or 1
		if min_magnitude then
			min_magnitude_num = timeTextmin_magnitude
		else
			min_magnitude_num = -1
		end
	end
	if not min_magnitude_num then
		-- Default to seconds if an invalid magnitude is entered.
		min_magnitude_num = 1
	end
	local magnitude_num = math.max( min_magnitude_num, auto_magnitude_num )
	local result_num = math.floor ( absTimeDiff / magnitude_num )
	if timeDiff >= 0 then -- Past
		if result_num == 1 then
			result_unit = timeUnits magnitude_num 1
		else
			result_unit = timeUnits magnitude_num 2
		end
		result = result_num .. ' ' .. result_unit .. ago -- Spaces for "ago" are added earlier.
	else -- Future
		if result_num == 1 then
			result_unit = timeUnits magnitude_num 3
		else
			result_unit = timeUnits magnitude_num 4
		end
		result = result_num .. ' ' .. result_unit .. ' time'
	end
	return result .. purge
end
-- Table to convert entered text values to numeric values.
timeText = {
	'seconds' = 1,
	'minutes' = 60,
	'hours' = 3600,
	'days' = 86400,
	'weeks' = 604800,
	'months' = 2678400,
	'years' = 31557600
}
-- Table containing tables of possible units to use in output.
timeUnits = {
	1 = { 'second', 'seconds', "second's", "seconds'" },
	60 = { 'minute', 'minutes', "minutes'", "minutes'" },
	3600 = { 'hour', 'hours', "hour's", "hours'" },
	86400 = { 'day', 'days', "day's", "days'" },
	604800 = { 'week', 'weeks', "week's", "weeks'" },
	2678400 = { 'month', 'months', "month's", "months'" },
	31557600 = { 'year', 'years', "year's", "years'" }
}
return p