public static List <string> CreateDefaultCSV(string filename, List <Question> questions)
{
int questionsSkipped = 0;
List <string> result = new List <string>();
result.Add("Processing default question types....");
// build CSV text
string csvText = "code,body,correct_choice,";
csvText += "choice_1,choice_2,choice_3,choice_4,choice_5,choice_6,choice_7,choice_8,choice_9,choice_10,";
csvText += "status,difficulty,question_category_code,keyword,can_fail_exam,correct_feedback,incorrect_feedback";
//csvText += ",generalfeedback,partiallycorrectfeedback";
for (int i = 1; i <= 10; i++)
{
csvText += ",choice_" + i.ToString() + "_feedback";
}
for (int i = 0; i < questions.Count; i++)
{
Question q = questions[i];
List <string> errorsFound = QuestionLib.CheckQuestion(q);
if (errorsFound.Count == 0)
{
string csv = GetQuestionAsCSV(q);
if (csv.Length > 0)
{
csvText += Environment.NewLine + csv;
}
}
else
{
questionsSkipped++;
}
}
result.Add("\tCSV text created; questions skipped: " + questionsSkipped.ToString());
// write csv file
JwCSV.WriteToFile(filename, csvText);
result.Add("\tCSV file created.");
// create image folder
List <Question> questionsWithImageData = QuestionLib.GetQuestionsWithImageData(questions);
string imageFolder = CFG.outputDir + Path.GetFileNameWithoutExtension(filename) + "-img";
if (questionsWithImageData.Count > 0)
{
System.IO.Directory.CreateDirectory(imageFolder);
result.Add("\timage dir created.");
// create images
int imageCount = 0;
for (int i = 0; i < questionsWithImageData.Count; i++)
{
Question q = questionsWithImageData[i];
for (int j = 0; j < q.images.Count; j++)
{
if (q.images[j].name != String.Empty && q.images[j].imageData != String.Empty)
{
string imageFile = Path.Combine(imageFolder, q.images[j].name);
File.WriteAllBytes(imageFile, Convert.FromBase64String(q.images[j].imageData));
imageCount++;
}
}
}
result.Add("\t" + imageCount.ToString() + " images created.");
}
// return result
return(result);
}
public static string GetQuestionAsCSV(Question q)
{
string csv = "";
if ((q.type == "multichoice" || q.type == "truefalse" || q.type == "Multiple Choice" || q.type == "cloze") == false)
{
return("");
}
//TODO - this is duplicated in GetCSVText
List <string> errors = QuestionLib.CheckQuestion(q);
if (errors.Count > 0)
{
return("");
}
// name - code
csv += "\"" + q.name + "\"" + ",";
// questionText - body
csv += "\"" + q.text + "\"" + ",";
// correct_choice
int correct_choice = 1;
for (int i = 0; i < q.options.Count; i++)
{
if (q.options[i].grade == 100)
{
correct_choice = i + 1;
}
}
csv += "choice_" + correct_choice.ToString() + ",";
// answer options
for (int i = 0; i < 10; i++)
{
if (i < q.options.Count)
{
csv += "\"" + q.options[i].text + "\"" + ",";
}
else
{
csv += ",";
}
}
csv += "Open,L1,";
// category - question_category_code
csv += "\"" + q.category + "\"" + ",";
string images = "";
for (int j = 0; j < q.images.Count; j++)
{
if (images != String.Empty)
{
images += ";";
}
images += q.images[j].name;
}
// process feedback
String[] fb = QuestionLib.ParseFeedbacks(q);
csv += "\"" + images + "\"" + ",n," + "\"" + fb[0] + "\"" + "," + "\"" + fb[1] + "\"";
//csv += "\"" + images + "\"" + ",n," + "\"" + q.correctfeedback + "\"" + "," + "\"" + q.incorrectfeedback + "\"";
//csv += ",\"" + q.generalfeedback + "\"";
//csv += ",\"" + q.partiallycorrectfeedback + "\"";
for (int i = 1; i <= 10; i++)
{
string optionFeedback = "";
if (i <= q.options.Count)
{
optionFeedback = q.options[i - 1].feedback;
}
csv += ",\"" + optionFeedback + "\"";
}
return(csv);
}