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Module:User type

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--- This module gets the user type for a given username.
--
-- @require Module:IPAddress
-- @release stable

local p = {}

p._ipMod = require("Module:IPAddress")

for k,v in pairs(p._ipMod) do
	p[k] = v
end

--- Detects whether the user is an account or not.
--
-- @param {string} s Username
-- @return The user type or an empty string if the user is an IP address.
function p._isUser(s)
	if p._isIpOrRange(s) ~= '' then return '' end
	local isTempUser = p._isTempUser(s)
	if isTempUser then return 'temp'
	else return 'perm' end
end

--- Detects whether the user is a temporary user or not.
--
-- @param {string} s Username
-- @return Whether the user is likely a permanent account.
function p._isTempUser(s)
	if p._isIpOrRange(s) ~= '' then return false end
	for k,v in ipairs( mw.text.split(s, '') ) do
		if ( k == 1 ) then
			if v ~= '~' then return false end
		elseif k == 6 or ( k > 6 and math.fmod( k, 6 ) == 0 ) then
			if v ~= '-' then return false end
		else
			if not v:match('%d') then return false end
		end
	end
	return true
end

--- Detects whether the user is a registered user or not.
--
-- @param {string} s Username
-- @return Whether the user is likely a permanent account.
function p._isPermUser(s)
	if p._isIpOrRange(s) ~= '' then return false end
	return not p._isTempUser(s)
end

--- Gets the user type.
--
-- @param {string} s Username
-- @return User type "ip", "range", "temp", or "perm".
function p._main(s)
	local isIpOrRange = p._isIpOrRange(s)
	local isUser = p._isUser(s)
	return isIpOrRange ~= '' and isIpOrRange or isUser
end

--- Adapted from [[Module:IPAddress]]
-- @see [[Module:IPAddress#L-54]]
local function input(args)
	-- Return input parameter after replacing any of following directional markers.
	-- LRM : LEFT-TO-RIGHT MARK (U+200E)         : hex e2 80 8e = 226 128 142
	-- LRE : LEFT-TO-RIGHT EMBEDDING (U+202A)    : hex e2 80 aa = 226 128 170
	-- PDF : POP DIRECTIONAL FORMATTING (U+202C) : hex e2 80 ac = 226 128 172
	-- This is required for MediaWiki:Blockedtext message.
	return (args[1] or ''):gsub('\226\128[\142\170\172]', ' ')  -- replace LRM, LRE, PDF with space delimiter
end

--- Entrypoint for templates to detect whether a user is a temporary account.
--
-- @param {Frame} frame Calling frame
-- @param {table} frame.args Calling arguments
-- @param {string} frame.args[1] String to test
-- @return Whether the user is likely a temporary account.
function p.isTempUser(frame) return p._isTempUser(input(frame)) and "1" or "0" end

--- Entrypoint for templates to detect whether a user is a registered account.
--
-- @param {Frame} frame Calling frame
-- @param {table} frame.args Calling arguments
-- @param {string} frame.args[1] String to test
-- @return Whether the user is likely a registered account.
function p.isPermUser(frame) return p._isPermUser(input(frame)) and "1" or "0" end

--- Entrypoint for templates to detect the type of user account.
--
-- @param {Frame} frame Calling frame
-- @param {table} frame.args Calling arguments
-- @param {string} frame.args[1] String to test
-- @return Whether the user is likely an account.
function p.isUser(frame) return p._isUser(input(frame)) or "" end

--- Entrypoint for {{tl|user type}}.
--
-- @param {Frame} frame Calling frame
-- @param {table} frame.args Calling arguments
-- @param {string} frame.args[1] String to test
-- @return Whether the user is likely an account.
function p.main(frame)
	local args = require("Module:Arguments").getArgs(frame)
	local sanitizeInput = input(args)
	if sanitizeInput == '' then return args['#default'] or '' end
	local result = p._main(sanitizeInput)
	if args[result] ~= nil then
		return args[result]
	elseif args['#default'] then
		return args['#default']
	else
		return result
	end
end

return p
Retrieved from "https://en.wikipedia.org/w/index.php?title=Module:User_type&oldid=1377512669"