Module:Sandbox/Boboquack

-- Boboquack Google Code-in, Introduction to Lua in Wikipedia

-- Boboquack Google Code-in, Working with modules
local p = {} -- p stands for package

function p.hello( frame )
    return "Hello, world!"
end

p.Hi = function(frame)
	strName = frame.args.name or "Jimbo"
	return "Hello from Lua to my friend " .. strName .. ".<br>"
end

--return p

-- Boboquack Google Code-in, Calculations and tests

function p.temperature(frame)
	cel=tonumber(frame.args.celsius) or 0
	fah=cel*9/5+32
	msg=cel.." degrees Celsius is "..fah.." degrees Fahrenheit."
	if cel>9 then msg=msg.." It is warm." else msg=msg.." It is cold." end
	return msg
end

-- Task 4 (Boboquack Google Code-in, Loops and tables)

p.times = function(frame)
	local num = tonumber( frame.args.num ) or 2
	local out = num.." times table<br>"
	for i = 1, 12 do
		out = out .. num .. " times " .. i .. " equals " .. i * num .. "<br>"
	end
	return out
end

p.mum = function(frame)
	local family = {"Dad", "Mum", "Uncle Stan", "Aunty Elsie", "Brian", "Cousin George", "Pop", "Nan"}
	local msg = ""
	for i = 1,#family do
		msg = msg .. "Hello " .. family[i] .. "<br>"
	end
	return msg
end

-- Boboquack Google Code-in, Lua libraries

p.sentence = function(frame)
	local str = frame.args.words or ""
	local out = string.upper(string.sub(str, 1, 1))..string.sub(str, 2)
	return out
end

p.unpackdate = function(frame)
	local dmydate = frame.args.dmydate or ""
	local day, month, year = string.match(dmydate, "(%d+) (%w+) (%d+)")
	return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month
end

-- Boboquack Google Code-in, MediaWiki libraries

p.langnames = function(frame)
	local langlist = mw.language.fetchLanguageNames()
	local langs = ""
	local count = 0
	for k, v in pairs(langlist) do
		langs = langs .. k .. " - " .. v .. "<br>"
		count = count + 1
	end
	return langs .. "<br>= " .. count .. " languages"
end

p.fallbacks=function(frame)
	local langcode = frame.args.langcode
	local fallbacklist = mw.language.getFallbacksFor( langcode )
	local fallbackstring = langcode .. ":"
	for i,fallbacks in pairs(fallbacklist) do
		fallbackstring = fallbackstring .. " " .. fallbacks
	end
	return fallbackstring
end

p.pagename = function( frame )
	local ttl = frame.args.title
	local ttlobj = mw.title.new( ttl )
	local txt = ttlobj.text
	return txt
end

p.pageinfo = function(frame)
	local page = mw.title.new(frame.args.title)
	local exist=" does not exist "
	local redirect=" not "
	if page.exists then exist=" exists " end
	if page.isRedirect then redirect=" " end
	return page.text..exist.."and is"..redirect.."a redirect"
end

return p