public void loadQuiz() {
if (this.quiz == null) {
this.quiz = new Quiz();
this.quiz.load(
quizContent,
prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage()));
}
if (this.isOnResultsPage) {
this.showResults();
} else {
// determine availability
if (this.quiz.getAvailability() == Quiz.AVAILABILITY_ALWAYS) {
this.showQuestion();
} else if (this.quiz.getAvailability() == Quiz.AVAILABILITY_SECTION) {
// check to see if all previous section activities have been completed
DbHelper db = DbHelper.getInstance(getActivity());
long userId = db.getUserId(SessionManager.getUsername(getActivity()));
boolean completed = db.isPreviousSectionActivitiesCompleted(course, activity, userId);
if (completed) {
this.showQuestion();
} else {
ViewGroup vg = (ViewGroup) getView().findViewById(activity.getActId());
vg.removeAllViews();
vg.addView(View.inflate(getView().getContext(), R.layout.widget_quiz_unavailable, null));
TextView tv = (TextView) getView().findViewById(R.id.quiz_unavailable);
tv.setText(R.string.widget_quiz_unavailable_section);
}
} else if (this.quiz.getAvailability() == Quiz.AVAILABILITY_COURSE) {
// check to see if all previous course activities have been completed
DbHelper db = DbHelper.getInstance(getActivity());
long userId = db.getUserId(SessionManager.getUsername(getActivity()));
boolean completed = db.isPreviousCourseActivitiesCompleted(course, activity, userId);
if (completed) {
this.showQuestion();
} else {
ViewGroup vg = (ViewGroup) getView().findViewById(activity.getActId());
vg.removeAllViews();
vg.addView(View.inflate(getView().getContext(), R.layout.widget_quiz_unavailable, null));
TextView tv = (TextView) getView().findViewById(R.id.quiz_unavailable);
tv.setText(R.string.widget_quiz_unavailable_course);
}
}
}
}
@Override
public void onStart() {
super.onStart();
DbHelper db = DbHelper.getInstance(this);
userId = db.getUserId(SessionManager.getUsername(this));
displayCourses(userId);
}
/* rescans all the installed courses and reinstalls them, to ensure that
* the new titles etc are picked up
*/
protected void upgradeV17() {
File dir = new File(Storage.getCoursesPath(ctx));
String[] children = dir.list();
if (children != null) {
for (String course : children) {
publishProgress("checking: " + course);
String courseXMLPath = "";
String courseScheduleXMLPath = "";
String courseTrackerXMLPath = "";
// check that it's unzipped etc correctly
try {
courseXMLPath =
dir + File.separator + course + File.separator + MobileLearning.COURSE_XML;
courseScheduleXMLPath =
dir + File.separator + course + File.separator + MobileLearning.COURSE_SCHEDULE_XML;
courseTrackerXMLPath =
dir + File.separator + course + File.separator + MobileLearning.COURSE_TRACKER_XML;
} catch (ArrayIndexOutOfBoundsException aioobe) {
FileUtils.cleanUp(dir, Storage.getDownloadPath(ctx) + course);
break;
}
// check a module.xml file exists and is a readable XML file
CourseXMLReader cxr;
CourseScheduleXMLReader csxr;
CourseTrackerXMLReader ctxr;
try {
cxr = new CourseXMLReader(courseXMLPath, 0, ctx);
csxr = new CourseScheduleXMLReader(courseScheduleXMLPath);
File trackerXML = new File(courseTrackerXMLPath);
ctxr = new CourseTrackerXMLReader(trackerXML);
} catch (InvalidXMLException e) {
e.printStackTrace();
break;
}
Course c = new Course(prefs.getString(PrefsActivity.PREF_STORAGE_LOCATION, ""));
c.setVersionId(cxr.getVersionId());
c.setTitles(cxr.getTitles());
c.setShortname(course);
c.setImageFile(course + File.separator + cxr.getCourseImage());
c.setLangs(cxr.getLangs());
c.setPriority(cxr.getPriority());
DbHelper db = DbHelper.getInstance(ctx);
long courseId = db.addOrUpdateCourse(c);
if (courseId != -1) {
db.insertActivities(cxr.getActivities(courseId));
db.insertTrackers(ctxr.getTrackers(courseId, 0));
}
// add schedule
// put this here so even if the course content isn't updated the schedule will be
db.insertSchedule(csxr.getSchedule());
db.updateScheduleVersion(courseId, csxr.getScheduleVersion());
}
}
}
protected void upgradeV54a() {
DbHelper db = DbHelper.getInstance(ctx);
long userId = db.getUserId(SessionManager.getUsername(ctx));
int points = prefs.getInt(UpgradeManagerTask.PREF_POINTS, 0);
int badges = prefs.getInt(UpgradeManagerTask.PREF_BADGES, 0);
Log.d(TAG, "points: " + points);
db.updateUserPoints(userId, points);
db.updateUserBadges(userId, badges);
}
/* go through and add html content to tables
*/
protected void upgradeV43() {
SearchUtils.reindexAll(ctx);
prefs = PreferenceManager.getDefaultSharedPreferences(ctx);
User user = new User();
user.setUsername(SessionManager.getUsername(ctx));
user.setApiKey(prefs.getString(UpgradeManagerTask.PREF_API_KEY, ""));
DbHelper db = DbHelper.getInstance(ctx);
long userId = db.addOrUpdateUser(user);
db.updateV43(userId);
}
@Override
protected Payload doInBackground(Payload... params) {
Payload payload = new Payload();
payload.setResult(false);
String csvPath =
Storage.getStorageLocationRoot(ctx) + File.separator + SessionManager.ACCOUNTS_CSV_FILENAME;
File csvAccounts = new File(csvPath);
if (csvAccounts.exists()) {
BufferedReader reader = null;
try {
String line;
reader = new BufferedReader(new FileReader(csvAccounts));
DbHelper db = DbHelper.getInstance(ctx);
int usersAdded = 0;
while ((line = reader.readLine()) != null) {
String[] rowData = line.split(CSV_SEPARATOR);
if (rowData.length < CSV_COLUMNS) {
Log.d(TAG, "Bad csv line, ignoring: " + line);
continue;
}
User csvUser = new User();
csvUser.setUsername(rowData[CSV_USERNAME_COLUMN]);
csvUser.setPasswordEncrypted(rowData[CSV_PASSWORD_COLUMN]);
csvUser.setApiKey(rowData[CSV_APIKEY_COLUMN]);
db.addOrUpdateUser(csvUser);
usersAdded++;
}
if (usersAdded > 0) {
payload.setResult(true);
payload.setResultResponse(
ctx.getString(R.string.info_startup_preloaded_accounts, usersAdded));
}
Log.d(TAG, usersAdded + " users added");
} catch (IOException ex) {
Mint.logException(ex);
ex.printStackTrace();
payload.setResult(true);
payload.setResultResponse(ctx.getString(R.string.error_preloading_accounts));
} finally {
try {
if (reader != null) reader.close();
boolean deleted = csvAccounts.delete();
Log.d(TAG, "CSV file " + (deleted ? "" : "not ") + "deleted");
} catch (IOException e) {
Mint.logException(e);
}
}
}
return payload;
}
private void updateReminders() {
if (prefs.getBoolean(PrefsActivity.PREF_SHOW_SCHEDULE_REMINDERS, false)) {
DbHelper db = DbHelper.getInstance(OppiaMobileActivity.this);
int max = Integer.valueOf(prefs.getString(PrefsActivity.PREF_NO_SCHEDULE_REMINDERS, "2"));
long userId = db.getUserId(SessionManager.getUsername(this));
ArrayList<Activity> activities = db.getActivitiesDue(max, userId);
this.drawReminders(activities);
} else {
LinearLayout ll = (LinearLayout) findViewById(R.id.schedule_reminders);
ll.setVisibility(View.GONE);
}
}
private void displayCourses(long userId) {
DbHelper db = DbHelper.getInstance(this);
courses.clear();
courses.addAll(db.getCourses(userId));
LinearLayout llLoading = (LinearLayout) this.findViewById(R.id.loading_courses);
llLoading.setVisibility(View.GONE);
if (courses.size() < MobileLearning.DOWNLOAD_COURSES_DISPLAY) {
displayDownloadSection();
} else {
TextView tv = (TextView) this.findViewById(R.id.manage_courses_text);
tv.setText(R.string.no_courses);
llNone.setVisibility(View.GONE);
}
courseListAdapter.notifyDataSetChanged();
this.updateReminders();
this.scanMedia();
}
// update all the current quiz results for the score/maxscore etc
protected void upgradeV54() {
DbHelper db = DbHelper.getInstance(ctx);
ArrayList<QuizAttempt> quizAttempts = db.getAllQuizAttempts();
long userId = db.getUserId(SessionManager.getUsername(ctx));
ArrayList<Course> courses = db.getAllCourses();
ArrayList<v54UpgradeQuizObj> quizzes = new ArrayList<>();
for (Course c : courses) {
try {
CourseXMLReader cxr = new CourseXMLReader(c.getCourseXMLLocation(), c.getCourseId(), ctx);
ArrayList<Activity> baseActs = cxr.getBaselineActivities();
for (Activity a : baseActs) {
if (a.getActType().equalsIgnoreCase("quiz")) {
String quizContent = a.getContents("en");
try {
JSONObject quizJson = new JSONObject(quizContent);
v54UpgradeQuizObj q = new v54UpgradeQuizObj();
q.id = quizJson.getInt("id");
q.digest = quizJson.getJSONObject("props").getString("digest");
q.threshold = quizJson.getJSONObject("props").getInt("passthreshold");
quizzes.add(q);
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
// now add the standard activities
ArrayList<Activity> acts = cxr.getActivities(c.getCourseId());
for (Activity a : acts) {
if (a.getActType().equalsIgnoreCase("quiz")) {
String quizContent = a.getContents("en");
try {
JSONObject quizJson = new JSONObject(quizContent);
v54UpgradeQuizObj q = new v54UpgradeQuizObj();
q.id = quizJson.getInt("id");
q.digest = quizJson.getJSONObject("props").getString("digest");
q.threshold = quizJson.getJSONObject("props").getInt("passthreshold");
quizzes.add(q);
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
} catch (InvalidXMLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
for (QuizAttempt qa : quizAttempts) {
// data back to json obj
try {
JSONObject jsonData = new JSONObject(qa.getData());
qa.setMaxscore((float) jsonData.getDouble("maxscore"));
qa.setScore((float) jsonData.getDouble("score"));
int quizId = jsonData.getInt("quiz_id");
v54UpgradeQuizObj currentQuiz = null;
// find the relevant quiz in quizzes
for (v54UpgradeQuizObj tmpQuiz : quizzes) {
if (tmpQuiz.id == quizId) {
currentQuiz = tmpQuiz;
break;
}
}
if (currentQuiz == null) {
Log.d(TAG, "not found");
} else {
Log.d(TAG, "Found");
qa.setActivityDigest(currentQuiz.digest);
if (qa.getScoreAsPercent() >= currentQuiz.threshold) {
qa.setPassed(true);
} else {
qa.setPassed(false);
}
}
// make the actual updates
qa.setUserId(userId);
db.updateQuizAttempt(qa);
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
ArrayList<QuizAttempt> checkQuizAttempts = db.getAllQuizAttempts();
for (QuizAttempt qa : checkQuizAttempts) {
// display current data
Log.d(TAG, "data: " + qa.getData());
Log.d(TAG, "digest: " + qa.getActivityDigest());
Log.d(TAG, "userid: " + qa.getUserId());
Log.d(TAG, "courseid: " + qa.getCourseId());
Log.d(TAG, "score: " + qa.getScore());
Log.d(TAG, "maxscore: " + qa.getMaxscore());
Log.d(TAG, "passed: " + qa.isPassed());
}
}
public void showResults() {
// log the activity as complete
isOnResultsPage = true;
quiz.mark(prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage()));
// save results ready to send back to the quiz server
String data = quiz.getResultObject().toString();
Log.d(TAG, data);
DbHelper db = DbHelper.getInstance(super.getActivity());
long userId = db.getUserId(SessionManager.getUsername(getActivity()));
QuizAttempt qa = new QuizAttempt();
qa.setCourseId(course.getCourseId());
qa.setUserId(userId);
qa.setData(data);
qa.setActivityDigest(activity.getDigest());
qa.setScore(quiz.getUserscore());
qa.setMaxscore(quiz.getMaxscore());
qa.setPassed(this.getActivityCompleted());
qa.setSent(false);
db.insertQuizAttempt(qa);
// Check if quiz results layout is already loaded
View quizResultsLayout = getView().findViewById(R.id.widget_quiz_results);
if (quizResultsLayout == null) {
// load new layout
View C = getView().findViewById(R.id.quiz_progress);
ViewGroup parent = (ViewGroup) C.getParent();
int index = parent.indexOfChild(C);
parent.removeView(C);
C =
super.getActivity()
.getLayoutInflater()
.inflate(R.layout.widget_quiz_results, parent, false);
parent.addView(C, index);
}
TextView title = (TextView) getView().findViewById(R.id.quiz_results_score);
title.setText(
super.getActivity().getString(R.string.widget_quiz_results_score, this.getPercent()));
if (this.isBaseline) {
TextView baselineExtro = (TextView) getView().findViewById(R.id.quiz_results_baseline);
baselineExtro.setVisibility(View.VISIBLE);
baselineExtro.setText(super.getActivity().getString(R.string.widget_quiz_baseline_completed));
}
// TODO add TextView here to give overall feedback if it's in the quiz
// Show the detail of which questions were right/wrong
if (quiz.getShowFeedback() == Quiz.SHOW_FEEDBACK_ALWAYS
|| quiz.getShowFeedback() == Quiz.SHOW_FEEDBACK_ATEND) {
ListView questionFeedbackLV = (ListView) getView().findViewById(R.id.quiz_results_feedback);
ArrayList<QuizFeedback> quizFeedback = new ArrayList<QuizFeedback>();
List<QuizQuestion> questions = this.quiz.getQuestions();
for (QuizQuestion q : questions) {
if (!(q instanceof Description)) {
QuizFeedback qf = new QuizFeedback();
qf.setScore(q.getScoreAsPercent());
qf.setQuestionText(
q.getTitle(
prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage())));
qf.setUserResponse(q.getUserResponses());
qf.setFeedbackText(
q.getFeedback(
prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage())));
quizFeedback.add(qf);
}
}
QuizFeedbackAdapter qfa = new QuizFeedbackAdapter(super.getActivity(), quizFeedback);
questionFeedbackLV.setAdapter(qfa);
}
// Show restart or continue button
Button restartBtn = (Button) getView().findViewById(R.id.quiz_results_button);
if (this.isBaseline) {
restartBtn.setText(super.getActivity().getString(R.string.widget_quiz_baseline_goto_course));
restartBtn.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
QuizWidget.this.getActivity().finish();
}
});
} else {
restartBtn.setText(super.getActivity().getString(R.string.widget_quiz_results_restart));
restartBtn.setOnClickListener(
new View.OnClickListener() {
public void onClick(View v) {
QuizWidget.this.restart();
}
});
}
}