Module:Sandbox/Dan1730

-- Dan1730 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 msg = ""..cels.." degrees Celsius is "..fahr.." degrees Fahrenheit." if cels > 9 then msg = msg.." It is warm." else msg = msg.." It is cold." end 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","Fred","Grace","Hector"} local msg = "" for i = 1, #friends do msg = msg .. "Hello " .. friends[i] .. " "	end return msg end

function p.sent(frame) local txt = frame.args.text or "" local first = string.upper(string.sub(txt,0,1)) local second = string.sub(txt, 2) return first..second 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 code = frame.args.langcode or "en" local ans = mw.language.getFallbacksFor(code) local out = "" for k, v in pairs(ans) do out = out .. k .. " - " .. v .. " "	end return "Code: "..code.." "..out end

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

function p.pginfo(frame) local out = "" local title = frame.args.title local ttlobj = mw.title.new( title ) if ttlobj == nil then return "Invalid page name" end if ttlobj.text ~= title then out = out.." does not exist and is not a redirect." return "The page entered"..out end if ttlobj.exists == false then out = out.." does not exist and is not a redirect." else if ttlobj.isRedirect == true then out = out.." exists and is a redirect." else out = out.." exists and is not a redirect." end end return title..out end

-- Get date

function p.getdate(frame) local qid = frame.args.qid or "Q42" local prop = frame.args.prop or "P569" local valtbl = mw.wikibase.getBestStatements(qid, prop) local timestamp = valtbl[1].mainsnak.datavalue.value.time local y = string.match(timestamp, "(%d+)",2) local m = string.match(timestamp, "(%d+)",7) local d = string.match(timestamp, "(%d+)",10) return y.."-"..m.."-"..d end

function p.getfulldate(frame) local qid = frame.args.qid or "Q42" local prop = frame.args.prop or "P569" local monthname = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" } local valtbl = mw.wikibase.getBestStatements(qid, prop) local timestamp = valtbl[1].mainsnak.datavalue.value.time local y = string.match(timestamp, "(%d+)",2) local m = string.match(timestamp, "(%d+)",7) local d = string.match(timestamp, "(%d+)",10) local month = tonumber(m) return d.." ".. monthname[month] .." "..y end

function p.getitem(frame) local qid = frame.args.qid or "Q42" local prop = frame.args.prop or "P569" local valtbl = mw.wikibase.getBestStatements(qid, prop) local id = valtbl[1].mainsnak.datavalue.value.id	local label = mw.wikibase.getLabel(id) return label end

return p