Module:PastWikithons

Documentation for this module may be created at Module:PastWikithons/doc

local p = {}
local competitions = {}

function addToSet(set, key)
    set[key] = true
end

function removeFromSet(set, key)
    set[key] = nil
end

function setContains(set, key)
    return set[key] ~= nil
end

function p.display( frame )
	local div = mw.html.create( 'div' )
		div:addClass('wikithon-list-legacy')
	-- https://github.com/SemanticMediaWiki/SemanticScribunto/blob/master/docs/README.md
	-- build list of unique wikithons names
	local result = mw.smw.ask {
    	'[[Category:Article]]',
    	'[[Competition::+]]',
    	'?Competition',
    	limit = 10,
    	mainlabel = '-'
	}
	if result and #result then
		for num, entityData in pairs( result ) do
			local c = entityData['Competition']
			if not setContains(competitions, c) then
				addToSet(competitions, c)
			end
		end
	end
	-- fetch wikithons artiles per wikithon
	for k, v in pairs( competitions ) do
		local competition = k
		local ulWikithon = div:tag('ul')
			ulWikithon:addClass('wikithon-list-legacy--item')
			ulWikithon:wikitext(competition)
		local result = mw.smw.ask {
			'[[Category:Article]]',
			'[[Competition::' .. competition ..']]',
			limit = 10,
			mainlabel = 'origin'
		}
		if result and #result then
			for num, entityData in pairs( result ) do
				local liPage = ulWikithon:tag('li')
					liPage:addClass('wikithon-list-legacy--page')
					liPage:wikitext(entityData.origin)
			end
		end
	end
    return div
end

return p