Module:Countdown

-- This module powers.

local p = {}

-- Constants local lang = mw.language.getContentLanguage local getArgs = require('Module:Arguments').getArgs

local function formatMessage(secondsLeft, event, color) local timeLeft = lang:formatDuration(secondsLeft, {'years', 'weeks', 'days', 'hours', 'minutes', 'seconds'}) -- Find whether we are plural or not. local isOrAre if string.match(timeLeft, '^%d+') == '1' then isOrAre = 'is' else isOrAre = 'are' end -- Color and bold the numbers, because it makes them look important. timeLeft = string.gsub(timeLeft, '(%d+)', '%1 ') return string.format('There %s %s until %s.', isOrAre, timeLeft, event) end

function p.main(frame) local args = getArgs(frame)

if not (args.year and args.month and args.day) then return ' Error: year, month, and day must be specified ' end

local eventTime = os.time({year=args.year, month=args.month, day=args.day, hour=args.hour, min=args.minute, sec=args.second}) local timeToStart = os.difftime(eventTime, os.time) -- (future time - current time) local text if timeToStart > 0 then -- Event has not begun yet text = formatMessage(timeToStart, args.event or 'the event begins', args.color) elseif args.duration then local timeToEnd if args['duration unit'] then -- Duration is in unit other than seconds, use formatDate to add timeToEnd = tonumber(lang:formatDate('U', '@' .. tostring(timeToStart) .. ' +' .. tostring(args.duration) .. ' ' .. args['duration unit'])) else timeToEnd = timeToStart + (tonumber(args.duration) or error('args.duration should be a number of seconds', 0)) end if timeToEnd > 0 then -- Event is in progress text = args.eventstart or formatMessage(timeToEnd, (args.event or 'the event') .. ' ends', args.color) else -- Event had a duration and has now ended text = args.eventend or ((lang:ucfirst(args.event or 'The event')) .. ' has ended.') end else -- Event had no duration and has begun text = args.eventstart or ((lang:ucfirst(args.event or 'The event')) .. ' has started.') end local refreshLink if args.refresh == 'no' then refreshLink = '' else refreshLink = mw.title.getCurrentTitle:fullUrl({action = 'purge'}) refreshLink = string.format(' ([%s refresh]) ', refreshLink) end return text .. refreshLink end

return p