Editing Module:Sandbox/Shreeniket987

--Shreeniket987 Google Code-in 2019, Introduction to Lua in Wikipedia--

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 .. ".<br>"
end

function p.converttmp(frame)
	cels = frame.args.celcius or 0
	cels = tonumber(cels)
	fahr = cels*9/5+32
	msg = cels .. " degree celcius is " .. fahr .. " degree 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<br>"
	for i = 1, 12 do
		out = out .. numb .. " times " .. i .. " equals " .. i * numb .. "<br>"
	end
	return out
end

function p.people(frame)
	local friends = {"Agnetha", "Betty", "Carlos", "Davinder", "Eloise","Joe","Jim","Pat"}
	local msg = ""
	for i = 1,#friends do
		msg = msg .. "Hello " .. friends[i] .. "<br>"
	end
	return msg
end

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 .. "<br>Day = " .. d .. "<br>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 .. "<br>"
		count = count + 1
	end
	return out .. "<br>= " .. count .. " languages"
end

function p.fallbacklangs(frame)
	local langCode = frame.args.langcode
	fallbackLangList = mw.language.getFallbacksFor(langCode)
	local out = "Fallback languages for "..langCode.." are:<br>"
	for k, v in pairs(fallbackLangList) do
		out = out .. v .. "<br>"
	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

p.pginfo = function( frame )
	local title = frame.args.title
	local ttlobj = mw.title.new( title )
    if ttlobj == nil then return "Sorry, "..title.." is an invalid title" end
	local out = ""
	if ttlobj.id == 0 then out = out .. title .. " does not exist <br>" else out = out .. title .. " exists <br>" end
	if ttlobj.isRedirect then out = out .. title .. " is a redirect <br>" else out = out .. title .. " is not a redirect <br>" end
        
	return out
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 timestamp = valtbl[1].mainsnak.datavalue.value.time
	local y = string.sub(timestamp,2,5)
	local m = string.sub(timestamp,7,8)
	local d = string.sub(timestamp,10,11)
	local out = y.."-"..m.."-"..d
	return out
end

p.getfulldate = function( frame )
	local monthname = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }
	local qid = frame.args.qid
	local prop = frame.args.prop
	local valtbl = mw.wikibase.getBestStatements(qid, prop)
	local timestamp = valtbl[1].mainsnak.datavalue.value.time
	local y = string.sub(timestamp,2,5)
	local m = string.sub(timestamp,7,8)
	local d = string.sub(timestamp,10,11)
	m = tonumber(m)
	month = monthname[m]
	local out = d .. " " .. month.." "..y
	return out
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 label = mw.wikibase.getLabel(id)
	return label
end


return p