Module:ExternalCatalogueLinks

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

-- Module:ExternalCatalogueLinks
local p = {}

function p.render(frame)
    local pagename = frame:preprocess("{{PAGENAME}}")
    
    local results = mw.smw.ask({
        "[[- Has subobject::" .. pagename .. "]]",
        "?Has External Catalogue Title",
        "?Has External Catalogue Link"
    })
    
    if not results or #results == 0 then
        return ""
    end
    
    local items = {}
    
	for _, row in ipairs(results) do
    	local link = row["Has External Catalogue Link"]
    	local title = row["Has External Catalogue Title"]
    
    	if link then
        	if title then
            	table.insert(items, "[" .. link .. " " .. title .. "]")
        	else
            	table.insert(items, "[" .. link .. "]")
        	end
    	end
	end
    
    return table.concat(items, ", ")
end

return p