Module:Autochangecat: Difference between revisions

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-- Syntax = {{#invoke:Autochangecat|main|date=2015-05-06|category1=Dev|category2=Developers|template=true}}
-- Syntax = {{#invoke:Autochangecat|main|date=2015-05-06|category1=Dev|category2=Developers|template=true}}
local p = {}
local p = {}
local u = require("Dev:Utility")
local u = require("Module:Utility")


local function preprocess(sText)
local function preprocess(sText)

Latest revision as of 05:19, 2 May 2021

Documentation for this module may be created at Module:Autochangecat/doc

--<pre>Automatically changes categories/templates after xx days 
-- based on the last date the page was saved/edited
-- use in template or directly
-- Syntax = {{#invoke:Autochangecat|main|days=2|category1=Dev|category2=Developers|template=true}}
-- Syntax = {{#invoke:Autochangecat|main|date=2015-05-06|category1=Dev|category2=Developers|template=true}}
local p = {}
local u = require("Module:Utility")

local function preprocess(sText)
	if mw.getCurrentFrame() then
		sText = mw.getCurrentFrame():preprocess(sText)
	end
	
	return sText
end

function p.main(frame)
	local oArgTable, oChildArgs = u.getArgs(frame, "both")
	
	local function getParams(argName)
		if oChildArgs and oChildArgs[argName] then
			return oChildArgs[argName]
		elseif oArgTable and oArgTable[argName] then
			return oArgTable[argName]
		end
	end
	if oChildArgs or oArgTable then
		local iDays = getParams("days")
		local endDate = getParams("date")
		local sArg1 = getParams(1) or getParams("page1") 
		local sArg2 = getParams(2) or getParams("page2")
		local bTemplate = getParams("template")
		return p.changeCategory(iDays, sArg1, sArg2, bTemplate, endDate)
	end
end

function p.changeCategory(iDays, sArg1, sArg2, bChangeTemplate, endDate)
	local sCat = ""
	
	if (iDays or endDate) and sArg1 and sArg2 then
		local revDate = preprocess("{{REVISIONYEAR}}-{{REVISIONMONTH}}-{{REVISIONDAY2}}")
		local iFutureDate = u.addDays (revDate, iDays)
		local todayDate = os.date("%Y-%m-%d")
		local iDaysLeft = u.datediff(iFutureDate, todayDate)
		local sPrefix = "[[" .. "Category:"
		local sSuffix = "]]"
		local isValidDate = u.checkdate(endDate)
		
		if isValidDate then
			iDaysLeft = u.datediff(endDate, os.date("%Y-%m-%d"))
		end
		
		if bChangeTemplate == "true" then
			sPrefix = "{{"
			sSuffix = "}}"
		end
		
		if iDaysLeft then
			if iDaysLeft < 1 then
				sCat = preprocess(sPrefix .. sArg2 .. sSuffix)
			else
				sCat = preprocess(sPrefix .. sArg1 .. sSuffix)
			end
		end
	end
	return sCat
end

return p
--[[Category:Lua modules]]