diff options
Diffstat (limited to 'testapp/exam/views.py')
| -rw-r--r-- | testapp/exam/views.py | 107 |
1 files changed, 63 insertions, 44 deletions
diff --git a/testapp/exam/views.py b/testapp/exam/views.py index aeb93ca..44884fd 100644 --- a/testapp/exam/views.py +++ b/testapp/exam/views.py @@ -139,7 +139,7 @@ def quizlist_user(request): user = request.user avail_quizzes = list(QuestionPaper.objects.filter(quiz__active=True)) user_answerpapers = AnswerPaper.objects.filter(user=user) - quizzes_taken = [] + quizzes_taken = user_answerpapers pre_requisites = [] context = {} @@ -152,13 +152,6 @@ def quizlist_user(request): context['quizzes_taken'] = None return my_render_to_response("exam/quizzes_user.html", context) - for answer_paper in user_answerpapers: - for quiz in avail_quizzes: - if answer_paper.question_paper.id == quiz.id and \ - answer_paper.end_time != answer_paper.start_time: - avail_quizzes.remove(quiz) - quizzes_taken.append(answer_paper) - context['quizzes'] = avail_quizzes context['user'] = user context['quizzes_taken'] = quizzes_taken @@ -170,27 +163,45 @@ def intro(request, questionpaper_id): user = request.user ci = RequestContext(request) quest_paper = QuestionPaper.objects.get(id=questionpaper_id) + attempt_number = quest_paper.quiz.attempts_allowed + time_lag = quest_paper.quiz.time_between_attempts + if quest_paper.quiz.prerequisite: try: - pre_quest = QuestionPaper.objects.get(quiz=quest_paper.quiz.prerequisite) - answer_paper = AnswerPaper.objects.get( - question_paper=pre_quest, - user=user) - if answer_paper.passed: - context = {'user': user, 'paper_id': questionpaper_id} - return my_render_to_response('exam/intro.html', context, - context_instance=ci) - else: + pre_quest = QuestionPaper.objects.get( + quiz=quest_paper.quiz.prerequisite) + answer_papers = AnswerPaper.objects.filter( + question_paper=pre_quest, user=user) + answer_papers_failed = AnswerPaper.objects.filter( + question_paper=pre_quest, user=user, passed=False) + if answer_papers.count() == answer_papers_failed.count(): context = {'user': user, 'cannot_attempt': True} return my_redirect("/exam/quizzes/?cannot_attempt=True") - except: context = {'user': user, 'cannot_attempt': True} return my_redirect("/exam/quizzes/?cannot_attempt=True") - context = {'user': user, 'paper_id': questionpaper_id} - ci = RequestContext(request) - return my_render_to_response('exam/intro.html', context, - context_instance=ci) + + attempted_papers = AnswerPaper.objects.filter(question_paper=quest_paper, + user=user) + already_attempted = attempted_papers.count() + if already_attempted == 0: + context = {'user': user, 'paper_id': questionpaper_id,\ + 'attempt_no': already_attempted + 1} + return my_render_to_response('exam/intro.html', context, + context_instance=ci) + if already_attempted < attempt_number: + previous_attempt_day = attempted_papers[already_attempted-1].start_time + today = datetime.datetime.today() + days_after_attempt = (today - previous_attempt_day).days + if days_after_attempt >= time_lag: + context = {'user': user, 'paper_id': questionpaper_id,\ + 'attempt_no': already_attempted + 1} + return my_render_to_response('exam/intro.html', context, + context_instance=ci) + else: + return my_redirect("/exam/quizzes/") + else: + return my_redirect("/exam/quizzes/") def results_user(request): @@ -367,6 +378,8 @@ def add_quiz(request, quiz_id=None): d.pass_criteria = form['pass_criteria'].data d.language = form['language'].data d.prerequisite_id = form['prerequisite'].data + d.attempts_allowed = form['attempts_allowed'].data + d.time_between_attempts = form['time_between_attempts'].data d.save() quiz = Quiz.objects.get(id=quiz_id) return my_redirect("/exam/manage/showquiz") @@ -390,6 +403,8 @@ def add_quiz(request, quiz_id=None): form.initial['pass_criteria'] = d.pass_criteria form.initial['language'] = d.language form.initial['prerequisite'] = d.prerequisite_id + form.initial['attempts_allowed'] = d.attempts_allowed + form.initial['time_between_attempts'] = d.time_between_attempts return my_render_to_response('exam/add_quiz.html', {'form': form}, context_instance=ci) @@ -641,7 +656,7 @@ def user_login(request): context_instance=ci) -def start(request, questionpaper_id=None): +def start(request, attempt_no=None, questionpaper_id=None): """Check the user cedentials and if any quiz is available, start the exam.""" user = request.user @@ -654,13 +669,13 @@ def start(request, questionpaper_id=None): except QuestionPaper.DoesNotExist: msg = 'Quiz not found, please contact your '\ 'instructor/administrator. Please login again thereafter.' - return complete(request, msg, questionpaper_id) + return complete(request, msg, attempt_no, questionpaper_id) try: old_paper = AnswerPaper.objects.get( - question_paper=questionpaper, user=user) + question_paper=questionpaper, user=user, attempt_number=attempt_no) q = old_paper.current_question() - return show_question(request, q, questionpaper_id) + return show_question(request, q, attempt_no, questionpaper_id) except AnswerPaper.DoesNotExist: ip = request.META['REMOTE_ADDR'] key = gen_key(10) @@ -670,13 +685,13 @@ def start(request, questionpaper_id=None): msg = 'You do not have a profile and cannot take the quiz!' raise Http404(msg) - new_paper = questionpaper.make_answerpaper(user, ip,) + new_paper = questionpaper.make_answerpaper(user, ip, attempt_no) # Make user directory. user_dir = get_user_dir(user) - return start(request, questionpaper_id) + return start(request, attempt_no, questionpaper_id) -def question(request, q_id, questionpaper_id, success_msg=None): +def question(request, q_id, attempt_no, questionpaper_id, success_msg=None): """Check the credentials of the user and start the exam.""" user = request.user @@ -686,7 +701,7 @@ def question(request, q_id, questionpaper_id, success_msg=None): try: q_paper = QuestionPaper.objects.get(id=questionpaper_id) paper = AnswerPaper.objects.get( - user=request.user, question_paper=q_paper) + user=request.user, attempt_number=attempt_no, question_paper=q_paper) except AnswerPaper.DoesNotExist: return my_redirect('/exam/start/') if not paper.question_paper.quiz.active: @@ -713,21 +728,22 @@ def question(request, q_id, questionpaper_id, success_msg=None): context_instance=ci) -def show_question(request, q_id, questionpaper_id, success_msg=None): +def show_question(request, q_id, attempt_no, questionpaper_id, success_msg=None): """Show a question if possible.""" if len(q_id) == 0: msg = 'Congratulations! You have successfully completed the quiz.' - return complete(request, msg, questionpaper_id) + return complete(request, msg, attempt_no, questionpaper_id) else: - return question(request, q_id, questionpaper_id, success_msg) + return question(request, q_id, attempt_no, questionpaper_id, success_msg) -def check(request, q_id, questionpaper_id=None): +def check(request, q_id, attempt_no=None, questionpaper_id=None): """Checks the answers of the user for particular question""" user = request.user q_paper = QuestionPaper.objects.get(id=questionpaper_id) - paper = AnswerPaper.objects.get(user=request.user, question_paper=q_paper) + paper = AnswerPaper.objects.get(user=request.user, attempt_number=attempt_no, + question_paper=q_paper) if not user.is_authenticated() or paper.end_time < datetime.datetime.now(): return my_redirect('/exam/login/') question = get_object_or_404(Question, pk=q_id) @@ -737,7 +753,7 @@ def check(request, q_id, questionpaper_id=None): success = True if skip is not None: next_q = paper.skip() - return show_question(request, next_q, questionpaper_id) + return show_question(request, next_q, attempt_no, questionpaper_id) # Add the answer submitted, regardless of it being correct or not. if question.type == 'mcq': @@ -770,10 +786,10 @@ def check(request, q_id, questionpaper_id=None): if not success: # Should only happen for non-mcq questions. if time_left == 0: reason = 'Your time is up!' - return complete(request, reason, questionpaper_id) + return complete(request, reason, attempt_no, questionpaper_id) if not paper.question_paper.quiz.active: reason = 'The quiz has been deactivated!' - return complete(request, reason, questionpaper_id) + return complete(request, reason, attempt_no, questionpaper_id) context = {'question': question, 'error_message': err_msg, 'paper': paper, 'last_attempt': user_code, 'quiz_name': paper.question_paper.quiz.description, @@ -785,10 +801,10 @@ def check(request, q_id, questionpaper_id=None): else: if time_left <= 0: reason = 'Your time is up!' - return complete(request, reason, questionpaper_id) + return complete(request, reason, attempt_no, questionpaper_id) else: next_q = paper.completed_question(question.id) - return show_question(request, next_q, + return show_question(request, next_q, attempt_no, questionpaper_id, success_msg) @@ -824,14 +840,15 @@ def validate_answer(user, user_answer, question): return correct, success, message -def quit(request, questionpaper_id=None): +def quit(request, attempt_no=None, questionpaper_id=None): """Show the quit page when the user logs out.""" - context = {'id': questionpaper_id} + context = {'id': questionpaper_id, + 'attempt_no': attempt_no} return my_render_to_response('exam/quit.html', context, context_instance=RequestContext(request)) -def complete(request, reason=None, questionpaper_id=None): +def complete(request, reason=None, attempt_no=None, questionpaper_id=None): """Show a page to inform user that the quiz has been compeleted.""" user = request.user @@ -842,11 +859,13 @@ def complete(request, reason=None, questionpaper_id=None): return my_render_to_response('exam/complete.html', context) else: q_paper = QuestionPaper.objects.get(id=questionpaper_id) - paper = AnswerPaper.objects.get(user=user, question_paper=q_paper) + paper = AnswerPaper.objects.get(user=user, question_paper=q_paper, + attempt_number=attempt_no) paper.update_marks_obtained() paper.update_percent() paper.update_passed() paper.end_time = datetime.datetime.now() + paper.update_status() paper.save() obt_marks = paper.marks_obtained tot_marks = paper.question_paper.total_marks |