Iranian calendar

-- This module is under development.

-- Useful functions about Iranian calendar to be used in Persian Wikipedia -- Written by Alireza Eskandarpour Shoferi (@AEsShoferi) in Lua -- -- Distributed under the terms of the CC BY-SA 4.0

-- Load necessary modules local library = require("Module:Iranian calendar/library") local convertNumber = require("Module:Numeral converter").convert local getArgs = require("Module:Arguments").getArgs

-- function form Module:Age#L-113 local function stripToNil(text) -- If text is a string, return its trimmed content, or nil if empty. -- Otherwise return text (which may, for example, be nil). if type(text) == 'string' then text = mw.ustring.match(text, '(%S.-)%s*$') end return text end

local p = {}

function p.Age(frame) local args = getArgs(frame, {trim=true, removeBlanks=true}) -- Converts Persian numbers to English because of arithmetic expressions local birthSet = {year = tonumber(convertNumber("en", args[1])), month = tonumber(convertNumber("en", args[2])), day = tonumber(convertNumber("en", args[3]))} local deathSet = {year = tonumber(convertNumber("en", args[4])) or library.getCurrentJalaliYear(), month = tonumber(convertNumber("en", args[5])) or library.getCurrentJalaliMonth(), day = tonumber(convertNumber("en", args[6])) or library.getCurrentJalaliDay()}

if not stripToNil(birthSet.month) and not stripToNil(birthSet.day) then -- If day and month of birth is not provided, -- then calculate the age using only the birth-year -- In this case, month and day of the death are not considered for calculation -- outputs a range; e.g. 54–55 return convertNumber("fa", (deathSet.year - birthSet.year) - 1) .. '–' .. convertNumber("fa", (deathSet.year - birthSet.year)) else -- Following expression borrowed from en:Template:Age return convertNumber("fa", (deathSet.year - birthSet.year) - (((tonumber(deathSet.month) < tonumber(birthSet.month) ) or deathSet.month == birthSet.month and tonumber(deathSet.day) < tonumber(birthSet.day) ) and 1 or 0) ) end end

return p