Module:SoftwareLicenseList

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

-- Required module containing helper methods
local helper = require('Module:HelperMethods')

-- Required modules for SPARQL queries and HTML table generation
local sparql = require('SPARQL')
local mwHtml = require('mw.html')

-- Main table to hold all functions
local p = {}

-- Function to build the list
function p.buildLicenseList(frame)
	
    -- Retrieve target1 from frame arguments or return error message if not set
	local target1 = frame.args[1]
    if not target1 or target1 == '' then
        return "No records found"
    end    
    
    -- Constructing the SPARQL query with dynamic entity target1
    local sparqlQuery = [[
PREFIX target1: <https://portal.mardi4nfdi.de/entity/]] .. target1 .. [[>
PREFIX wdt: <https://portal.mardi4nfdi.de/prop/direct/>
PREFIX wd: <https://portal.mardi4nfdi.de/entity/>

SELECT ?property ?propertyLabel ?value ?valueLabel
WHERE {
    target1: wdt:P163 ?value .
    OPTIONAL {
        ?value rdfs:label ?valueLabel .
        FILTER(LANG(?valueLabel) = "en")
    }
    BIND(wdt:P163 AS ?property)
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
    ]]
    
    -- mw.log( sparqlQuery )
    
	-- Executing the SPARQL query and retrieving results in JSON format
	local jsonResults = sparql.runQuery(sparqlQuery)
	
	-- mw.logObject(jsonResults)

	-- Handle error in SPARQL query execution
	if jsonResults and jsonResults.error then
    	mw.log("Error in SPARQL query: " .. tostring(jsonResults.error))
    	return nil
	end

	if not jsonResults then
        return "Could not fetch data."
	end
	
	if helper.countElementsInBindings(jsonResults.results.bindings) == 0 then
        return "No records found."
	end

	local licenseList = helper.convertJsonToCommaSeparatedList(jsonResults)
	
	-- mw.log(licenseList) 
	
    return licenseList
end

-- Return the created html table
return p