Editing Module:Sandbox/bleed.tech

-- bleed.tech Google Code-in, Introduction to Lua in Wikipedia
-- name of this task is 'Lua Task #2'
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



-- Task 3
p.Temperature = function(frame)
	cel = frame.args.celsius
	cel = tonumber(cel)
		if cel==nil then cel=0 end
	fah = cel*9/5+32
	msg=cel.." degress 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
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","Martin","RexxS","Rachit"}
	local msg = ""
	for i=1,#family do msg = msg .. "Hello "..family[i] .. "<br>"end
	return msg
end
p.sentence = function(frame)
	local str = frame.args.words or ""
	local first_letter = string.sub(str, 1, 1)
	first_letter_upper = string.upper(first_letter) 
	local second_letter = string.sub(str, 2)

	return first_letter_upper .. second_letter
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
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 or 'en'
	local fallbacks = mw.language.getFallbacksFor( langcode )
	local fallbackLangs = "Fallback languages for " .. langcode .. "<br/>"
	for key, value in pairs(fallbacks) do
		fallbackLangs = fallbackLangs .. "* " .. value .. "</br>"
	end
	return fallbackLangs .. "<br/> Found " .. #fallbacks .. " fallback languages for " .. langcode .. "<br/>"
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 ttl = frame.args.title
	
	if ttl == nil or ttl == "" then
		return "ERROR: You did not pass a `title` parameter to check"
	end
	
	if type(ttl) ~= 'string' and type(ttl) ~= 'number' then
		return "ERROR: `title` must either be a string or a number"	
	end
	
	local ttlobj = mw.title.new(ttl)
	
	if ttlobj == nil then
		return "ERROR: An error occurred when attempting to retrieve page info"
	end
	
	return (
		ttlobj.text .. " " .. 
		(ttlobj.exists and "exists" or "does not exist") .. " and " .. 
		(ttlobj.isRedirect and "is" or "is not") .. " a redirect"
	)
end
	

return p