Module:XfD old/AfD and MfD

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-- Various hacky solutions to allow AfD and MfD to show up on [[Template:XFD Backlog]]
-- AfD is easy, as [[User:Mathbot]] already summarizes the total on each day
local p = {}
local lang = mw.getContentLanguage()
function p.afd(frame) 
	local month = frame.args.month
	local pat
	if month == "total" then
		pat = "%(([0-9]+) open"
	else
		month = lang:formatDate("Y F", month)
		pat = "%[%[Wikipedia:Articles for deletion/Log/" .. month .. "[^%]]*%]%] %(([0-9]+) open /"
	end
	local content = mw.title.new("Wikipedia:Articles for deletion/Old"):getContent()
	local count = 0
	for daycount in content:gmatch(pat) do
		count = count + daycount
	end
	return count
end
-- MfD is much harder, because the only list of all active MfDs is the main
-- [[Wikipedia:Miscellany for deletion]] page itself
function p.mfd(frame)
	local month = frame.args.month
	local content = mw.title.new("Wikipedia:Miscellany for deletion"):getContent()
	local rightmonth = true
	local pat;
	if month ~= "total" then
		pat = lang:formatDate("^=== ?F [0-9]*, Y ?===$", month)
		rightmonth = false
	end
	local _, endindex = content:find("==Old business==")
	local count = 0
	for line in mw.text.gsplit(content:sub(endindex,#content), "\n") do
		if line:find("{{Wikipedia:Miscellany for deletion/") and rightmonth then
			count = count + 1
		elseif month == "total" then
			-- don't worry about month section headers
		elseif line:find(pat) then
			rightmonth = true
		elseif line:find("=== ?.* ?===") then
			-- A section header for the wrong month
			if rightmonth then
				-- We're now looking at MfDs before the month in question
				break
			end
			-- We still haven't reached the month in question yet
		end
	end
	return count
end
-- RfD is even worse, since I have to manually parse all log pages
-- and "Old" discussions aren't displayed separately from "Current" ones
function p.rfd(frame)
	local month = frame.args.month
	local content = mw.title.new("Wikipedia:Redirects for discussion"):getContent()
	-- First find the daily pages
	local ymd = require("Module:YMD to ISO")._main
	local lang = mw.getContentLanguage()
	local threshold = os.date("%F",os.time() - (86400*7))
	local total = 0
	for line in content:gmatch("{{Wikipedia:Redirects for discussion/Log/.-}}") do
		local datestamp = ymd(line:match("{{Wikipedia:Redirects for discussion/Log/(.-)}}"))
		if datestamp >= threshold then
			-- These dicussions aren't seven days old yet
		elseif month == "total" or month == lang:formatDate("F Y", datestamp) then
			local dayContent = mw.title.new(line:match("{{(.*)}}")):getContent()
			-- unreliable but performance is important
			local _, sectionHeads = dayContent:gsub("==== ?[^\n]- ?====", "")
			local _, closeBoxes = dayContent:gsub("boilerplate rfd vfd xfd%-closed", "")
			local _, relisted = dayContent:gsub("%[%[File:Symbol move vote.svg|16px|link=|alt=%]%] '''Relisted'''", "")
			total = total + (sectionHeads - closeBoxes - relisted)
		-- else discussion is wrong month
		end
	end
	return total
end
return p