Editing Module:Sandbox/xiaowan

-- xiaowan Google Code-in, Introduction to Lua in Wikipedia
-- xiaowan Google Code-in, Working with modules
-- xiaowan Google Code-in, Calculations and testsEdit
-- xiaowan Google Code-in, Loops and tables
-- xiaowan Google Code-in, Lua librarys
-- xiaowan Google Code-in, MediaWiki libraries

local p = {}

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

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


	p.temperature = function(frame)
		local cel = tonumber(frame.args.celsius) or 0
		local cab = cel*9/5+32
		local msg = cel.." degrees Celsius is "..cab.." 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", "Neil", "Penny", "Xuan yu"}
		local msg = ""
		for i = 1, #family
			do msg = msg .. "Hello " .. family[i] .. "<br>"
		end
		return msg
	end


-- Task 5

	p.sentence = function(frame)
		local str = frame.args.words or ""
		local out = string.sub(str, 2)
		out = str.upper(string.sub(str, 1, 1))..out 
		return out
	end
	
	
	p.unpackdate = function(frame)
		local dmydate = frame.args.dmydate or "" --dmydate=31 October 2018
		local day, month, year = string.match(dmydate, "(%d+) (%w+) (%d+)")
		return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month
	end


	p.unpackdatec = function(frame)
		local mdydate = frame.args.mdydate or "" --October 31, 2018
		local month, day, year = string.match(mdydate, "(%w+) (%d+), (%d+)")
		return "Year = " .. year .. "<br>Day = " .. day .. "<br>Month = " .. month
	end
	
	
	-- Task 6
	
	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 ""
		local langs = ""
		local table1 = mw.language.getFallbacksFor( langcode )
		for i, j in pairs(table1) do
			langs = langs .. i .. " - " .. j .. ", "
		end
		langs = string.sub(langs, 1, string.len(langs)-2)
		return "Select "..langcode.." for defult languange will show "..langs.." if it's not availble."
	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
		local output1 = ""
		local redirect = ""
		local ttlobj = mw.title.new( ttl )
		local txt = ttlobj.text
		if ttl =="" then
			output1 = ttl.." exists and is "
			if redirect == "" then
				output1 = output1.."a redirect"
				else output1 = output1.."not a redirect"
			end
			else output1 = ttl.." does not exist and is not a redirect"
		end
		
		return output1
	end


return p