Module:Sandbox/Melvintong1516

--Melvintong1516 - Google Code-in 2019, Introduction to Lua in Wikipedia --Lua Task 2 - Working with modules local p = {}

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

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

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

--Task 4 function p.timestable(frame) local numb = tonumber( frame.args.numb ) or 2 local out = numb .. " Times Table " for i = 1, 12 do out = out .. numb .. " times " .. i .. " equals " .. i * numb .. " "	end return out end

function p.people(frame) local friends = {"Agnetha", "Betty", "Carlos", "Davinder", "Eloise", "Fiona", "George", "Hugo"} local msg = "" for l = 1, #friends do msg = msg .. "Hello " .. friends[l] .. " "	end return msg end

function p.sent(frame) local txt = frame.args.text or "" local out = string.sub(string.upper(txt, 1), 1, 1) .. string.sub(txt, 2) return out end

function p.unpack(frame) local dmy = frame.args.dmydate or "" local d, m, y = string.match(dmy, "(%d+) (%w+) (%d+)") return "Year = " .. y .. " Day = " .. d .. " Month = " .. m end

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

function p.fallbacklangs(frame) local langcode = frame.args.langcode local msg = "" local fallback = mw.language.getFallbacksFor( langcode ) for l = 1, #fallback do msg = langcode.. msg .. l .. ". " .. fallback[l] .. " "	end return msg end

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

p.pginfo = function( frame ) local title = frame.args.title local ttlobj = mw.title.new(title) local msg1 = "" local msg2 = "" if ttlobj == nil then error_msg = "The value input is invalid" return error_msg else local exists = ttlobj.exists local redirect = ttlobj.isRedirect if exists == true then msg1 = " exist " else msg1 = " does not exist " end if redirect == true then msg2 = " is a redirect " else msg2 = " is not a redirect " end local txt = ttlobj.text local msg = txt .. msg1 .. " and " .. msg2 return msg end end

-- Get date p.getdate = function(frame) local qid = frame.args.qid local prop = frame.args.prop local valtbl = mw.wikibase.getBestStatements(qid, prop) local dmy = string.sub(valtbl[1].mainsnak.datavalue.value.time, 2, 11) return dmy end

p.getfulldate = function(frame) local qid = frame.args.qid local prop = frame.args.prop local monthname = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" } local valtbl = mw.wikibase.getBestStatements(qid, prop) local dmyinfo = string.sub(valtbl[1].mainsnak.datavalue.value.time, 2, 11)

local y, m, d = string.match(dmyinfo, "(%d+)-(%d+)-(%d+)") local month = monthname[tonumber(m)] return d .. " " .. month .. " " .. y end

p.getitem = function(frame) local qid = frame.args.qid local prop = frame.args.prop local valtbl = mw.wikibase.getBestStatements(qid, prop) local id = valtbl[1].mainsnak.datavalue.value.id	local idw = mw.wikibase.getLabel(id) return idw end

return p