private static ArrayList<SurveyAnswer> convertToSurveyAnswers(
String[] answers, SurveyQuestion question) throws SurveyParseException {
ArrayList<SurveyAnswer> surveyAnswers = new ArrayList<SurveyAnswer>();
SurveyAnswerFactory answerFactory = new SurveyAnswerFactory();
SurveyAnswer answerObj;
for (String answer : answers) {
answerObj = answerFactory.getSurveyAnswer(question.getQuestionType(), answer);
if (answerObj == null) return null;
else surveyAnswers.add(answerObj);
}
return surveyAnswers;
}
/** @return the next url to go to, excluding contextPath */
public static ModelAndView execute(
HttpServletRequest request,
String documentId,
TapestryPHRSurvey currentSurvey,
PHRSurvey templateSurvey)
throws Exception {
ModelAndView m = new ModelAndView();
final String questionId = request.getParameter("questionid");
String direction = request.getParameter("direction");
String observerNotes = request.getParameter("observernote");
if (direction == null) direction = "forward";
if (documentId == null) {
logger.error("no selected survey? documentId=" + documentId);
m.setViewName("failed");
return m;
}
String[] answerStrs = request.getParameterValues("answer");
String nextQuestionId = questionId;
// if requested survey does not exist
if (currentSurvey == null) {
logger.error("Cannot find requested survey. documentId=" + documentId);
m.setViewName("failed");
return m;
}
// if requested survey is completed
if (currentSurvey.isComplete()) logger.error("trying to complete already completed survey?");
boolean saved = false;
// if starting/continuing survey, clear session
if (questionId == null) {
// if just starting/continuing(from before) the survey, direct to last question
String lastQuestionId;
if (currentSurvey.getQuestions().size() == 0) {
boolean moreQuestions = addNextQuestion(null, currentSurvey, templateSurvey);
if (!moreQuestions) {
logger.error("Survey has no questions?");
m.setViewName("failed");
return m;
}
}
if (currentSurvey.isComplete()) { // if complete show first question
lastQuestionId = currentSurvey.getQuestions().get(0).getId();
m.addObject("hideObservernote", true);
} else { // if not complete show next question
lastQuestionId =
currentSurvey.getQuestions().get(currentSurvey.getQuestions().size() - 1).getId();
// logic for displaying Observer Notes button
if (isFirstQuestionId(lastQuestionId, '0')) m.addObject("hideObservernote", true);
else m.addObject("hideObservernote", false);
}
m.addObject("survey", currentSurvey);
m.addObject("templateSurvey", templateSurvey);
m.addObject("questionid", lastQuestionId);
m.addObject("resultid", documentId);
m.setViewName("/surveys/show_survey");
return m;
} // end of questionId == null;
String errMsg = null;
// if continuing survey (just submitted an answer)
if (questionId != null && direction.equalsIgnoreCase("forward")) {
if (currentSurvey
.getQuestionById(questionId)
.getQuestionType()
.equals(SurveyQuestion.ANSWER_CHECK)
&& answerStrs == null) answerStrs = new String[0];
if (answerStrs != null
&& (currentSurvey
.getQuestionById(questionId)
.getQuestionType()
.equals(SurveyQuestion.ANSWER_CHECK)
|| !answerStrs[0].equals(""))) {
SurveyQuestion question = currentSurvey.getQuestionById(questionId);
SurveyQuestion questionWithoutObserverNotes = currentSurvey.getQuestionById(questionId);
// keep answers without obserbernotes for validation
// ArrayList<SurveyAnswer> answersWithoutObserverNotes =
// convertToSurveyAnswers(answerStrs, questionWithoutObserverNotes);
//
// //add observernotes into answer when there is no condition or non-number type input
// List<SurveyDirectionStatement> logicStatements = question.getNextQuestionLogic();
// String type = question.getQuestionType();
String questionText = question.getQuestionText();
if (!Utils.isNullOrEmpty(questionText)) {
String separator = "/observernote/ ";
StringBuffer sb = new StringBuffer();
sb.append(questionText);
sb.append(separator);
sb.append(observerNotes);
questionText = sb.toString();
question.setQuestionText(questionText);
}
// if (!Utils.isNullOrEmpty(type) && (!type.equalsIgnoreCase("number")) &&
// (logicStatements.size() <= 1))
// {
// if (answerStrs.length == 1)
// {
// String content = answerStrs[0];
// String separator = "/observernote/ ";
// StringBuffer sb = new StringBuffer();
// sb.append(content);
// sb.append(separator);
// sb.append(observerNotes);
// answerStrs[0] = sb.toString();
// }
// }
ArrayList<SurveyAnswer> answers = convertToSurveyAnswers(answerStrs, question);
boolean goodAnswerFormat = true;
if (answers == null) goodAnswerFormat = false;
// check each answer for validation
// if answer passes validation
// if (goodAnswerFormat && question.validateAnswers(answersWithoutObserverNotes))
if (goodAnswerFormat && question.validateAnswers(answers)) {
boolean moreQuestions;
// see if the user went back (if current question the last question in user's question
// profile)
if (!currentSurvey
.getQuestions()
.get(currentSurvey.getQuestions().size() - 1)
.equals(question)) {
ArrayList<SurveyAnswer> existingAnswers =
currentSurvey.getQuestionById(questionId).getAnswers();
// if user hit back, and then forward, and answer wasn't changed
if (StringUtils.join(answerStrs, ", ").equals(StringUtils.join(existingAnswers, ", "))
|| currentSurvey.isComplete()) {
logger.debug("user hit back and went forward, no answer was changed");
moreQuestions = true;
// if the user hit "back" and changed the answer - remove all questions after it
} else {
ArrayList<SurveyQuestion> tempquestions =
new ArrayList<
SurveyQuestion>(); // Create a temp array list to transfer answered questions
// remove all future answers
logger.debug("user hit back and changed an answer");
// clear all questions following it
int currentSurveySize =
currentSurvey.getQuestions().size(); // stores number of questions
int currentQuestionIndex =
currentSurvey.getQuestions().indexOf(question); // gets the current question index
for (int i = currentQuestionIndex + 1; i < currentSurveySize; i++) {
tempquestions.add(currentSurvey.getQuestions().get(currentQuestionIndex + 1));
currentSurvey
.getQuestions()
.remove(
currentQuestionIndex
+ 1); // goes through quesitons list and removes each question after it
}
// save answers modified/input by user into question
question.setAnswers(answers);
saved = true;
// add new question
moreQuestions = addNextQuestion(questionId, currentSurvey, templateSurvey);
// check if old index and new index contain same questions in the same list
int sizeofcurrentquestionslist =
currentSurvey
.getQuestions()
.size(); // Size of new getQuestions aftre removing future questions
if (currentSurvey
.getQuestions()
.get(sizeofcurrentquestionslist - 1)
.getId()
.equals(tempquestions.get(0).getId())) {
currentSurvey.getQuestions().remove(sizeofcurrentquestionslist - 1);
for (int y = 0; y < tempquestions.size(); y++)
currentSurvey.getQuestions().add(tempquestions.get(y));
moreQuestions = addNextQuestion(questionId, currentSurvey, templateSurvey);
}
// if same then replace temp list with new list
// if not then add the one new item.
}
// if user didn't go back, and requesting the next question
} else {
logger.debug("user hit forward, and requested the next question");
question.setAnswers(answers);
saved = true;
moreQuestions = addNextQuestion(questionId, currentSurvey, templateSurvey);
}
// finished survey
if (!moreQuestions) {
if (!currentSurvey.isComplete()) {
SurveyAction.updateSurveyResult(currentSurvey);
m.addObject("survey_completed", true);
m.addObject("survey", currentSurvey);
m.addObject("templateSurvey", templateSurvey);
m.addObject("questionid", questionId);
m.addObject("resultid", documentId);
m.addObject("message", "SURVEY FINISHED - Please click END SURVEY");
m.addObject("hideObservernote", false);
m.setViewName("/surveys/show_survey");
return m;
} else {
m.addObject("survey", currentSurvey);
m.addObject("templateSurvey", templateSurvey);
m.addObject("questionid", questionId);
m.addObject("resultid", documentId);
m.addObject("message", "End of Survey");
m.addObject("hideObservernote", false);
m.setViewName("/surveys/show_survey");
return m;
}
}
int questionIndex = currentSurvey.getQuestionIndexbyId(questionId);
nextQuestionId = currentSurvey.getQuestions().get(questionIndex + 1).getId();
logger.debug("Next question id: " + nextQuestionId);
// save to indivo
if (saved && questionIndex % SAVE_INTERVAL == 0 && !currentSurvey.isComplete())
SurveyAction.updateSurveyResult(currentSurvey);
// if answer fails validation
} // end of validation answers
else {
m.addObject("survey", currentSurvey);
m.addObject("templateSurvey", templateSurvey);
m.addObject("questionid", questionId);
m.addObject("resultid", documentId);
if (question.getRestriction() != null
&& question.getRestriction().getInstruction() != null)
m.addObject("message", question.getRestriction().getInstruction());
m.addObject("hideObservernote", false);
m.setViewName("/surveys/show_survey");
return m;
}
// if answer not specified, and hit forward
} else errMsg = "You must supply an answer";
} // end of forward action
else if (direction.equalsIgnoreCase("backward")) {
int questionIndex = currentSurvey.getQuestionIndexbyId(questionId);
if (questionIndex > 0)
nextQuestionId = currentSurvey.getQuestions().get(questionIndex - 1).getId();
}
// backward to the description page(before the first qustion)
if ((questionId != null)
&& ("backward".equals(direction))
&& (isFirstQuestionId(questionId, '0'))) m.addObject("hideObservernote", true);
else m.addObject("hideObservernote", false);
m.addObject("survey", currentSurvey);
m.addObject("templateSurvey", templateSurvey);
m.addObject("questionid", nextQuestionId);
m.addObject("resultid", documentId);
if (errMsg != null) m.addObject("message", errMsg);
m.setViewName("/surveys/show_survey");
return m;
}
