wvc-convert

#!/usr/local/bin/node

// Modules
var fs = require("fs");
var path = require("path");
var program = require("commander");

program
	.option("-i, --input <in>", "Source JSON file")
	.option("-o, --output <out>", "Destination dir for 'moodle_xml' dir. Default: current working dir")
	.parse(process.argv);

if (!program.output) program.output = "./";

var jsonPath = path.join(process.cwd(), program.input);
var outputDir = path.join(program.output, "moodle_xml");

if (outputDir[0] != "/") outputDir = path.join(process.cwd(), outputDir);
if (jsonPath[0] != "/") jsonPath = path.join(process.cwd(), jsonPath);

var jsonFile = fs.readFileSync(jsonPath);
var quizzes = JSON.parse(jsonFile);

if (!fs.existsSync(outputDir)) fs.mkdirSync(outputDir);

quizzes.forEach(function (quiz) {
	if (!quiz.questions) return;

	var xml = [];

	xml.push("<?xml version=\"1.0\" ?>");
	xml.push("<quiz>");

	var i = 0;
	quiz.questions.forEach(function (question) {
		i++;

		xml.push("\t<question type=\"multichoice\">");

		xml.push("\t\t<name>");
		xml.push("\t\t\t<text>Question " + i + "</text>");
		xml.push("\t\t</name>");

		xml.push("\t\t<questiontext format=\"html\">");
		xml.push("\t\t\t<text><![CDATA[ " + question.question + " ]]></text>");
		xml.push("\t\t</questiontext>");

		if (question.answers) {
			question.answers.forEach(function (answer) {
				var frac = answer.correct ? 100 : 0;

				xml.push("\t\t<answer fraction=\"" + frac + "\">");
				xml.push("\t\t\t<text>" + answer.choice + "</text>");
				xml.push("\t\t</answer>");

				xml.push("\t\t<feedback>");
				xml.push("\t\t\t<text><![CDATA[ " + answer.feedback + " ]]></text>");
				xml.push("\t\t</feedback>");
			});
		}

		xml.push("\t\t<shuffleanswers>1</shuffleanswers>");
		xml.push("\t\t<single>true</single>");

		xml.push("\t</question>");
	});

	xml.push("</quiz>");

	var title = quiz.title.replace(/\s|\//g, "_");
	fs.writeFileSync(path.join(outputDir, title + ".xml"), xml.join("\n"));
});