Module:Test

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

-- 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 convert JSON results into a comma-separated string
function p.convertJsonToCommaSeparatedList(jsonResults)
	local resultsString = ""
	
	if jsonResults and jsonResults.results and jsonResults.results.bindings then
        local bindings = jsonResults.results.bindings
        for i = 0, #bindings do
            local binding = bindings[i]
            if binding.valueLabel and binding.valueLabel.value then
                if resultsString ~= "" then
                    resultsString = resultsString .. ", "
                end
                
                local name = binding.valueLabel.value
                if string.find(name, "https://") then
                	name = "Unnamed task"
                end
                
                local link = binding.value.value
                link = link:gsub("entity/Q", "wiki/Task:")
                
                local nameAndLink = "[" .. link .. " " .. name .. "]"

                resultsString = resultsString .. nameAndLink
            end
        end
    end

    return resultsString
end


-- Function to build the list
function p.buildList(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 ID given"
    end    
    
    -- Constructing the SPARQL query with dynamic entity target1
    local sparqlQuery = [[
PREFIX target1: <https://staging.mardi4nfdi.org/entity/]] .. target1 .. [[>
SELECT ?value ?valueLabel WHERE {
  ?value wdt:P715 target1:.
  target1: rdfs:label ?valueLabel
}
    ]]
    
	-- Executing the SPARQL query and retrieving results in JSON format
	local jsonResults = sparql.runQuery(sparqlQuery)
	
	-- 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
	
	local testList = p.convertJsonToCommaSeparatedList(jsonResults)

    return testList
end

-- Return the created html table
return p