Module:Sandbox/shreyasminocha

Revision as of 10:25, 13 November 2018 by imported>ShreyasMinocha (Make pageinfo error messages louder)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Documentation for this module may be created at Module:Sandbox/shreyasminocha/doc

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

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

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", "Grandpa", "Grandma", "Sis"}
	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 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

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 fallbackList = mw.language.getFallbacksFor(frame.args.langcode)
	local list = ""
	
	for i = 1, #fallbackList do
		list = list .. fallbackList[i] .. " "
	end	
	
	return list
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