Module:Sandbox/Harry noob

--Harry noob 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

function p.converttemp(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", "Filip", "George", "Harry"} local msg = "" for i = 1, #friends do msg = msg .. "Hello " .. friends[i] .. " "	end return msg end

-- Task 5 function p.sent(frame) local txt = frame.args.text or "" local out = string.upper(string.sub(txt, 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

-- Task 6 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 or "" local out = "fallback language codes for " .. langcode .. ": "	local fallbacklist = mw.language.getFallbacksFor( langcode ) for k, v in pairs(fallbacklist) do out = out .. k .. " - " .. v .. " "	end return 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 title = frame.args.title or "invalid title" if title == "" then title = "empty title" end local ttlobj = mw.title.new( title ) if ttlobj == nil then title = "invalid title" ttlobj = mw.title.new( title ) end local isExist = ttlobj.exists local isRedirect = ttlobj.isRedirect local out = title if isExist then out = out .. " exists and is " else out = out .. " does not exist and is " end if isRedirect then out = out .. "a redirect" else out = out .. "not a redirect" end return 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 dmy = string.match(timestamp, "+(%d+-%d+-%d+)T") return dmy end

function p.getfulldate(frame) local monthname = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" } 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, m, d = string.match(timestamp, "+(%d+)-(%d+)-(%d+)T") local fulldate = d .. ' ' .. monthname[tonumber(m)] .. ' ' .. y	return fulldate 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 itemid = valtbl[1].mainsnak.datavalue.value.id	local text = mw.wikibase.getLabel(itemid) return text end

return p