Module:Sandbox/RonnieV

Usage

Lessons from User:RexxS/GCI, at least lesson 5-10 from Google Code-in 2019.

Code is called from [[1]], where the results per task can be found.

{{#invoke:Sandbox|function_name}}

---

--this is a comment
-- Task 2

p = {}  -- an empty table

function p.CleverName(frame)
	return "Hello world."
end

-- Task 6, mwLibraries
local function fallbacklangcount (langcode)
	local langslist = mw.language.getFallbacksFor(langcode)
	local count = 0
	for k, v in pairs(langslist) do
		count = count + 1
	end
	return count
end

function p.fallbackfindmost (frame)
	local langslist = mw.language.fetchLanguageNames()
	local langs = {}
	local max = 0
	for k, v in pairs(langslist) do
		local count = fallbacklangcount (k)
		if count > max then
			max = count
			langs = {}
			table.insert(langs, k)
		elseif count == max then
			table.insert(langs, k)
		end
	end
	out = table.getn(langs) .. " languages use " .. max .. " fallback languages:<br>"
	for langCount = 1, table.getn(langs) do
		out = out .. langs[langCount] .. ":"
		local langslist2 = mw.language.getFallbacksFor(langs[langCount])
		for k, v in pairs(langslist2) do
			out = out .. " " .. v
		end	
		out = out .. "<br>"
	end
	return out
end

function p.fallbacklangs (frame)
	local langcode = frame.args.langcode or ""
	local langslist = mw.language.getFallbacksFor(langcode)
	local out = ""
	local count = 0
	for k, v in pairs(langslist) do
		out = out .. k .. " - " .. v .. "<br>"
		count = count + 1
	end
	return langcode .. " has " .. count .. " fallback languages:<br>" .. out
end

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

-- Task 6, mwLibraries
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

-- Task 6 - pginfo
p.pginfo = function( frame )
	local title = frame.args.title or ""
	if title == "" then
		return "Please provide the title of the page to check as a named paramater '|title=<name>'."
	end
	local ttlobj = mw.title.new( title )
	local txt = ttlobj.text
	if ttlobj.exists then
		txt = txt .. " exists"
	else
		txt = txt .. " does not exist"
	end
	if ttlobj.isRedirect then
		txt = txt .. " and is a redirect."
	else
		txt = txt .. " and is not a redirect."
	end
	return txt
end

-- Task 6 - pgtitle
p.pgtitle = function( frame )
	local title = frame.args.title
	local ttlobj = mw.title.new( title )
	local txt = ttlobj.text
	return txt
end

-- Task 5 - Lua libraries
function p.sent(frame)
	local txt = frame.args.text or ""
--	local out = txt
--	local out = string.sub(txt, 1, 1)
--	local out = string.sub(txt, 2)
	local out = string.upper(string.sub(txt, 1, 1)) .. string.sub(txt, 2)
	return out
end

function p.Temperature(frame)
	cel = tonumber(frame.args.celsius) or 0
	fah = cel * 9 / 5 + 32
	if cel > 10 then
		msg = ". It is warm."
	else
		msg = ". It is quit cold."
	end
	return "The temperature of " .. cel .. " degrees Celsius equals to " .. fah .. " degrees Fahrenheit." .. msg
end

-- Task 4 - Loops
p.Times = function(frame)
	local num = tonumber( frame.args.num ) or 2
	local out = num .. " times table<br>"
	for i = 1, 10 do
		out = out .. i .. " times " .. num .. " gives " .. i * num .. "<br>"
	end
	return out
end

-- Task 5 - Lua libraries
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.unpackAmerican(frame)
	local dmy = frame.args.dmydate or ""
	local m, d, y = string.match(dmy, "(%w+) (%d+), (%d+)") 
	return "Year = " .. y .. "<br>Day = " .. d .. "<br>Month = " .. m
end

-- Get date
function p.getdate(frame)
	local qid = frame.args.qid or ""
	local prop = frame.args.prop or ""
	if qid == "" or prop == "" then
		return "Call this function with a qid and a prop, both being named parameters"
	end
	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+)") 
	return "Year = " .. y .. "<br>Day = " .. d .. "<br>Month = " .. m
end

-- Get fulldate
function p.getfulldate(frame)
	local qid = frame.args.qid or ""
	local prop = frame.args.prop or ""
	if qid == "" or prop == "" then
		return "Call this function with a qid and a prop, both being named parameters"
	end
	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, m, d = string.match(timestamp, "(%d+)-(%d+)-(%d+)") 
	out = d .. " " .. monthname[tonumber(m)] .. " " .. y
	return out
end

function p.getitem(frame)
	local qid = frame.args.qid or ""
	local prop = frame.args.prop or ""
	if qid == "" or prop == "" then
		return "Call this function with a qid and a prop, both being named parameters"
	end
	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