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-rw-r--r--yaksh/views.py850
1 files changed, 681 insertions, 169 deletions
diff --git a/yaksh/views.py b/yaksh/views.py
index 333b77f..f9a43ba 100644
--- a/yaksh/views.py
+++ b/yaksh/views.py
@@ -16,7 +16,10 @@ from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import Group
from django.forms.models import inlineformset_factory
from django.utils import timezone
-from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
+from django.core.validators import URLValidator
+from django.core.exceptions import (
+ MultipleObjectsReturned, ObjectDoesNotExist, ValidationError
+)
from django.conf import settings
import pytz
from taggit.models import Tag
@@ -25,6 +28,7 @@ import json
import six
from textwrap import dedent
import zipfile
+from markdown import Markdown
try:
from StringIO import StringIO as string_io
except ImportError:
@@ -37,12 +41,15 @@ from yaksh.models import (
HookTestCase, IntegerTestCase, McqTestCase, Profile,
QuestionPaper, QuestionSet, Quiz, Question, StandardTestCase,
StdIOBasedTestCase, StringTestCase, TestCase, User,
- get_model_class, FIXTURES_DIR_PATH
+ get_model_class, FIXTURES_DIR_PATH, Lesson, LessonFile,
+ LearningUnit, LearningModule,
+ CourseStatus
)
from yaksh.forms import (
UserRegisterForm, UserLoginForm, QuizForm, QuestionForm,
RandomQuestionForm, QuestionFilterForm, CourseForm, ProfileForm,
- UploadFileForm, get_object_form, FileForm, QuestionPaperForm
+ UploadFileForm, get_object_form, FileForm, QuestionPaperForm, LessonForm,
+ LessonFileForm, LearningModuleForm
)
from .settings import URL_ROOT
from .file_utils import extract_files, is_csv
@@ -79,11 +86,15 @@ def add_to_group(users):
if not is_moderator(user):
user.groups.add(group)
-
CSV_FIELDS = ['name', 'username', 'roll_number', 'institute', 'department',
'questions', 'marks_obtained', 'out_of', 'percentage', 'status']
+def get_html_text(md_text):
+ """Takes markdown text and converts it to html"""
+ return Markdown().convert(md_text)
+
+
@email_verified
def index(request, next_url=None):
"""The start page.
@@ -140,7 +151,7 @@ def user_logout(request):
@login_required
@has_profile
@email_verified
-def quizlist_user(request, enrolled=None):
+def quizlist_user(request, enrolled=None, msg=None):
"""Show All Quizzes that is available to logged-in user."""
user = request.user
ci = RequestContext(request)
@@ -162,7 +173,8 @@ def quizlist_user(request, enrolled=None):
)
title = 'All Courses'
- context = {'user': user, 'courses': courses, 'title': title}
+ context = {'user': user, 'courses': courses, 'title': title,
+ 'msg': msg}
return my_render_to_response(
"yaksh/quizzes_user.html", context, context_instance=ci
@@ -276,35 +288,41 @@ def add_question(request, question_id=None):
@login_required
@email_verified
-def add_quiz(request, course_id, quiz_id=None):
+def add_quiz(request, quiz_id=None, course_id=None):
"""To add a new quiz in the database.
Create a new quiz and store it."""
user = request.user
- course = get_object_or_404(Course, pk=course_id)
ci = RequestContext(request)
- if not is_moderator(user) or (user != course.creator and user not in course.teachers.all()):
+ if not is_moderator(user):
raise Http404('You are not allowed to view this course !')
+ if quiz_id:
+ quiz = get_object_or_404(Quiz, pk=quiz_id)
+ if quiz.creator != user and not course_id:
+ raise Http404('This quiz does not belong to you')
+ else:
+ quiz = None
+ if course_id:
+ course = get_object_or_404(Course, pk=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
+ raise Http404('This quiz does not belong to you')
+
context = {}
if request.method == "POST":
- if quiz_id is None:
- form = QuizForm(request.POST, user=user, course=course_id)
- if form.is_valid():
- form.save()
- return my_redirect("/exam/manage/courses/")
-
- else:
- quiz = Quiz.objects.get(id=quiz_id)
- form = QuizForm(request.POST, user=user, course=course_id,
- instance=quiz
- )
- if form.is_valid():
- form.save()
+ form = QuizForm(request.POST, instance=quiz)
+ if form.is_valid():
+ if quiz is None:
+ form.instance.creator = user
+ form.save()
+ if not course_id:
+ return my_redirect("/exam/manage/courses/all_quizzes/")
+ else:
return my_redirect("/exam/manage/courses/")
else:
quiz = Quiz.objects.get(id=quiz_id) if quiz_id else None
- form = QuizForm(user=user,course=course_id, instance=quiz)
+ form = QuizForm(instance=quiz)
context["quiz_id"] = quiz_id
+ context["course_id"] = course_id
context["form"] = form
return my_render_to_response(
'yaksh/add_quiz.html', context, context_instance=ci
@@ -319,46 +337,34 @@ def prof_manage(request, msg=None):
rights/permissions and log in."""
user = request.user
ci = RequestContext(request)
- if user.is_authenticated() and is_moderator(user):
- question_papers = QuestionPaper.objects.filter(
- Q(quiz__course__creator=user) |
- Q(quiz__course__teachers=user),
- quiz__is_trial=False
- ).distinct()
- trial_paper = AnswerPaper.objects.filter(
- user=user, question_paper__quiz__is_trial=True
- )
- if request.method == "POST":
- delete_paper = request.POST.getlist('delete_paper')
- for answerpaper_id in delete_paper:
- answerpaper = AnswerPaper.objects.get(id=answerpaper_id)
- qpaper = answerpaper.question_paper
- if qpaper.quiz.course.is_trial:
- qpaper.quiz.course.delete()
+ if not user.is_authenticated() and not is_moderator(user):
+ return my_redirect('/exam/login/')
+ courses = Course.objects.filter(creator=user, is_trial=False)
+
+ trial_paper = AnswerPaper.objects.filter(
+ user=user, question_paper__quiz__is_trial=True,
+ course__is_trial=True
+ )
+ if request.method == "POST":
+ delete_paper = request.POST.getlist('delete_paper')
+ for answerpaper_id in delete_paper:
+ answerpaper = AnswerPaper.objects.get(id=answerpaper_id)
+ qpaper = answerpaper.question_paper
+ answerpaper.course.remove_trial_modules()
+ answerpaper.course.delete()
+ if qpaper.quiz.is_trial:
+ qpaper.quiz.delete()
+ else:
+ if qpaper.answerpaper_set.count() == 1:
+ qpaper.quiz.delete()
else:
- if qpaper.answerpaper_set.count() == 1:
- qpaper.quiz.delete()
- else:
- answerpaper.delete()
- users_per_paper = []
- for paper in question_papers:
- answer_papers = AnswerPaper.objects.filter(question_paper=paper)
- users_passed = AnswerPaper.objects.filter(
- question_paper=paper, passed=True
- ).count()
- users_failed = AnswerPaper.objects.filter(
- question_paper=paper,
- passed=False
- ).count()
- temp = paper, answer_papers, users_passed, users_failed
- users_per_paper.append(temp)
- context = {'user': user, 'users_per_paper': users_per_paper,
- 'trial_paper': trial_paper, 'msg': msg
- }
- return my_render_to_response(
- 'yaksh/moderator_dashboard.html', context, context_instance=ci
- )
- return my_redirect('/exam/login/')
+ answerpaper.delete()
+ context = {'user': user, 'courses': courses,
+ 'trial_paper': trial_paper, 'msg': msg
+ }
+ return my_render_to_response(
+ 'yaksh/moderator_dashboard.html', context, context_instance=ci
+ )
def user_login(request):
@@ -391,7 +397,8 @@ def user_login(request):
@login_required
@email_verified
-def start(request, questionpaper_id=None, attempt_num=None):
+def start(request, questionpaper_id=None, attempt_num=None, course_id=None,
+ module_id=None):
"""Check the user cedentials and if any quiz is available,
start the exam."""
user = request.user
@@ -402,34 +409,70 @@ def start(request, questionpaper_id=None, attempt_num=None):
except QuestionPaper.DoesNotExist:
msg = 'Quiz not found, please contact your '\
'instructor/administrator.'
- return complete(request, msg, attempt_num, questionpaper_id=None)
+ if is_moderator(user):
+ return prof_manage(request, msg=msg)
+ return view_module(request, module_id=module_id, course_id=course_id,
+ msg=msg)
if not quest_paper.has_questions():
msg = 'Quiz does not have Questions, please contact your '\
'instructor/administrator.'
- return complete(request, msg, attempt_num, questionpaper_id=None)
- if not quest_paper.quiz.course.is_enrolled(user):
- raise Http404('You are not allowed to view this page!')
- # prerequisite check and passing criteria
- if quest_paper.quiz.is_expired() or not quest_paper.quiz.course.active:
if is_moderator(user):
- return redirect("/exam/manage")
- return redirect("/exam/quizzes")
- if quest_paper.quiz.has_prerequisite() and not quest_paper.is_prerequisite_passed(user):
+ return prof_manage(request, msg=msg)
+ return view_module(request, module_id=module_id, course_id=course_id,
+ msg=msg)
+ course = Course.objects.get(id=course_id)
+ learning_module = course.learning_module.get(id=module_id)
+ learning_unit = learning_module.learning_unit.get(quiz=quest_paper.quiz.id)
+
+ # is user enrolled in the course
+ if not course.is_enrolled(user):
+ msg = 'You are not enrolled in {0} course'.format(course.name)
if is_moderator(user):
- return redirect("/exam/manage")
- return redirect("/exam/quizzes")
+ return prof_manage(request, msg=msg)
+ return quizlist_user(request, msg=msg)
+
+ # if course is active and is not expired
+ if not course.active or not course.is_active_enrollment():
+ msg = "{0} is either expired or not active".format(course.name)
+ if is_moderator(user):
+ return prof_manage(request, msg=msg)
+ return quizlist_user(request, msg=msg)
+
+ # is quiz is active and is not expired
+ if quest_paper.quiz.is_expired() or not quest_paper.quiz.active:
+ msg = "{0} is either expired or not active".format(
+ quest_paper.quiz.description)
+ if is_moderator(user):
+ return prof_manage(request, msg=msg)
+ return view_module(request, module_id=module_id, course_id=course_id,
+ msg=msg)
+
+ # prerequisite check and passing criteria for quiz
+ if learning_unit.has_prerequisite():
+ if not learning_unit.is_prerequisite_passed(
+ user, learning_module, course):
+ msg = "You have not completed the prerequisite"
+ if is_moderator(user):
+ return prof_manage(request, msg=msg)
+ return view_module(request, module_id=module_id,
+ course_id=course_id, msg=msg)
+
# if any previous attempt
last_attempt = AnswerPaper.objects.get_user_last_attempt(
- questionpaper=quest_paper, user=user)
+ quest_paper, user, course_id)
if last_attempt and last_attempt.is_attempt_inprogress():
return show_question(
- request, last_attempt.current_question(), last_attempt
+ request, last_attempt.current_question(), last_attempt,
+ course_id=course_id, module_id=module_id
)
# allowed to start
- if not quest_paper.can_attempt_now(user):
+ if not quest_paper.can_attempt_now(user, course_id):
+ msg = "You cannot attempt {0} quiz more than {1} times".format(
+ quest_paper.quiz.description, quest_paper.quiz.attempts_allowed)
if is_moderator(user):
- return redirect("/exam/manage")
- return redirect("/exam/quizzes")
+ return prof_manage(request, msg=msg)
+ return view_module(request, module_id=module_id, course_id=course_id,
+ msg=msg)
if not last_attempt:
attempt_number = 1
else:
@@ -438,10 +481,12 @@ def start(request, questionpaper_id=None, attempt_num=None):
context = {
'user': user,
'questionpaper': quest_paper,
- 'attempt_num': attempt_number
+ 'attempt_num': attempt_number,
+ 'course': course,
+ 'module': learning_module,
}
if is_moderator(user):
- context["user"] = "moderator"
+ context["status"] = "moderator"
return my_render_to_response('yaksh/intro.html', context,
context_instance=ci)
else:
@@ -449,10 +494,12 @@ def start(request, questionpaper_id=None, attempt_num=None):
if not hasattr(user, 'profile'):
msg = 'You do not have a profile and cannot take the quiz!'
raise Http404(msg)
- new_paper = quest_paper.make_answerpaper(user, ip, attempt_number)
+ new_paper = quest_paper.make_answerpaper(user, ip, attempt_number,
+ course_id)
if new_paper.status == 'inprogress':
return show_question(request, new_paper.current_question(),
- new_paper
+ new_paper, course_id=course_id,
+ module_id=module_id
)
else:
msg = 'You have already finished the quiz!'
@@ -460,23 +507,27 @@ def start(request, questionpaper_id=None, attempt_num=None):
@login_required
@email_verified
-def show_question(request, question, paper, error_message=None, notification=None):
+def show_question(request, question, paper, error_message=None, notification=None,
+ course_id=None, module_id=None):
"""Show a question if possible."""
user = request.user
if not question:
msg = 'Congratulations! You have successfully completed the quiz.'
return complete(
- request, msg, paper.attempt_number, paper.question_paper.id
+ request, msg, paper.attempt_number, paper.question_paper.id,
+ course_id=course_id, module_id=module_id
)
if not paper.question_paper.quiz.active:
reason = 'The quiz has been deactivated!'
return complete(
- request, reason, paper.attempt_number, paper.question_paper.id
+ request, reason, paper.attempt_number, paper.question_paper.id,
+ module_id=module_id
)
if paper.time_left() <= 0:
reason = 'Your time is up!'
return complete(
- request, reason, paper.attempt_number, paper.question_paper.id
+ request, reason, paper.attempt_number, paper.question_paper.id,
+ course_id, module_id=module_id
)
if question in paper.questions_answered.all():
notification = (
@@ -486,6 +537,8 @@ def show_question(request, question, paper, error_message=None, notification=Non
)
test_cases = question.get_test_cases()
files = FileUpload.objects.filter(question_id=question.id, hide=False)
+ course = Course.objects.get(id=course_id)
+ module = course.learning_module.get(id=module_id)
context = {
'question': question,
'paper': paper,
@@ -493,7 +546,9 @@ def show_question(request, question, paper, error_message=None, notification=Non
'test_cases': test_cases,
'files': files,
'notification': notification,
- 'last_attempt': question.snippet.encode('unicode-escape')
+ 'last_attempt': question.snippet.encode('unicode-escape'),
+ 'course': course,
+ 'module': module
}
answers = paper.get_previous_answers(question)
if answers:
@@ -507,11 +562,12 @@ def show_question(request, question, paper, error_message=None, notification=Non
@login_required
@email_verified
-def skip(request, q_id, next_q=None, attempt_num=None, questionpaper_id=None):
+def skip(request, q_id, next_q=None, attempt_num=None, questionpaper_id=None,
+ course_id=None, module_id=None):
user = request.user
paper = get_object_or_404(
AnswerPaper, user=request.user, attempt_number=attempt_num,
- question_paper=questionpaper_id
+ question_paper=questionpaper_id, course_id=course_id
)
question = get_object_or_404(Question, pk=q_id)
@@ -529,19 +585,22 @@ def skip(request, q_id, next_q=None, attempt_num=None, questionpaper_id=None):
next_q = get_object_or_404(Question, pk=next_q)
else:
next_q = paper.next_question(q_id)
- return show_question(request, next_q, paper)
+ return show_question(request, next_q, paper, course_id=course_id,
+ module_id=module_id)
@login_required
@email_verified
-def check(request, q_id, attempt_num=None, questionpaper_id=None):
+def check(request, q_id, attempt_num=None, questionpaper_id=None,
+ course_id=None, module_id=None):
"""Checks the answers of the user for particular question"""
user = request.user
paper = get_object_or_404(
AnswerPaper,
user=request.user,
attempt_number=attempt_num,
- question_paper=questionpaper_id
+ question_paper=questionpaper_id,
+ course_id=course_id
)
current_question = get_object_or_404(Question, pk=q_id)
@@ -555,7 +614,8 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None):
except ValueError:
msg = "Please enter an Integer Value"
return show_question(
- request, current_question, paper, notification=msg
+ request, current_question, paper, notification=msg,
+ course_id=course_id, module_id=module_id
)
elif current_question.type == 'float':
try:
@@ -563,7 +623,8 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None):
except ValueError:
msg = "Please enter a Float Value"
return show_question(request, current_question,
- paper, notification=msg)
+ paper, notification=msg,
+ course_id=course_id, module_id=module_id)
elif current_question.type == 'string':
user_answer = str(request.POST.get('answer'))
@@ -576,7 +637,8 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None):
if not assignment_filename:
msg = "Please upload assignment file"
return show_question(
- request, current_question, paper, notification=msg
+ request, current_question, paper, notification=msg,
+ course_id=course_id, module_id=module_id
)
for fname in assignment_filename:
fname._name = fname._name.replace(" ","_")
@@ -605,13 +667,15 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None):
new_answer.save()
paper.answers.add(new_answer)
next_q = paper.add_completed_question(current_question.id)
- return show_question(request, next_q, paper)
+ return show_question(request, next_q, paper,
+ course_id=course_id, module_id=module_id)
else:
user_answer = request.POST.get('answer')
if not user_answer:
msg = "Please submit a valid answer."
return show_question(
- request, current_question, paper, notification=msg
+ request, current_question, paper, notification=msg,
+ course_id=course_id, module_id=module_id
)
if current_question in paper.get_questions_answered()\
and current_question.type not in ['code', 'upload']:
@@ -642,18 +706,22 @@ def check(request, q_id, attempt_num=None, questionpaper_id=None):
result = json.loads(result_details.get('result'))
next_question, error_message, paper = _update_paper(request, uid,
result)
- return show_question(request, next_question, paper, error_message)
+ return show_question(request, next_question, paper,
+ error_message, course_id=course_id,
+ module_id=module_id)
else:
return JsonResponse(result)
else:
next_question, error_message, paper = _update_paper(request, uid, result)
- return show_question(request, next_question, paper, error_message)
+ return show_question(request, next_question, paper, error_message,
+ course_id=course_id, module_id=module_id)
else:
- return show_question(request, current_question, paper)
+ return show_question(request, current_question, paper,
+ course_id=course_id, module_id=module_id)
@csrf_exempt
-def get_result(request, uid):
+def get_result(request, uid, course_id, module_id):
result = {}
url = 'http://localhost:%s' % SERVER_POOL_PORT
result_state = get_result_from_code_server(url, uid)
@@ -661,15 +729,16 @@ def get_result(request, uid):
if result['status'] == 'done':
result = json.loads(result_state.get('result'))
template_path = os.path.join(*[os.path.dirname(__file__),
- 'templates','yaksh',
+ 'templates', 'yaksh',
'error_template.html'
]
)
- next_question, error_message, paper = _update_paper(request,uid,
+ next_question, error_message, paper = _update_paper(request, uid,
result
)
if result.get('success'):
- return show_question(request, next_question, paper, error_message)
+ return show_question(request, next_question, paper, error_message,
+ course_id=course_id, module_id=module_id)
else:
with open(template_path) as f:
template_data = f.read()
@@ -677,7 +746,6 @@ def get_result(request, uid):
context = Context({"error_message": result.get('error')})
render_error = template.render(context)
result["error"] = render_error
-
return JsonResponse(result)
@@ -716,19 +784,23 @@ def _update_paper(request, uid, result):
@login_required
@email_verified
-def quit(request, reason=None, attempt_num=None, questionpaper_id=None):
+def quit(request, reason=None, attempt_num=None, questionpaper_id=None,
+ course_id=None, module_id=None):
"""Show the quit page when the user logs out."""
paper = AnswerPaper.objects.get(user=request.user,
attempt_number=attempt_num,
- question_paper=questionpaper_id)
- context = {'paper': paper, 'message': reason}
+ question_paper=questionpaper_id,
+ course_id=course_id)
+ context = {'paper': paper, 'message': reason, 'course_id': course_id,
+ 'module_id': module_id}
return my_render_to_response('yaksh/quit.html', context,
context_instance=RequestContext(request))
@login_required
@email_verified
-def complete(request, reason=None, attempt_num=None, questionpaper_id=None):
+def complete(request, reason=None, attempt_num=None, questionpaper_id=None,
+ course_id=None, module_id=None):
"""Show a page to inform user that the quiz has been compeleted."""
user = request.user
if questionpaper_id is None:
@@ -740,12 +812,21 @@ def complete(request, reason=None, attempt_num=None, questionpaper_id=None):
q_paper = QuestionPaper.objects.get(id=questionpaper_id)
paper = AnswerPaper.objects.get(
user=user, question_paper=q_paper,
- attempt_number=attempt_num
+ attempt_number=attempt_num,
+ course_id=course_id
)
+ course = Course.objects.get(id=course_id)
+ learning_module = course.learning_module.get(id=module_id)
+ learning_unit = learning_module.learning_unit.get(quiz=q_paper.quiz)
+
paper.update_marks()
paper.set_end_time(timezone.now())
message = reason or "Quiz has been submitted"
- context = {'message': message, 'paper': paper}
+ context = {'message': message, 'paper': paper,
+ 'module_id': learning_module.id,
+ 'course_id': course_id, 'learning_unit': learning_unit}
+ if is_moderator(user):
+ context['user'] = "moderator"
return my_render_to_response('yaksh/complete.html', context)
@@ -756,6 +837,8 @@ def add_course(request, course_id=None):
ci = RequestContext(request)
if course_id:
course = Course.objects.get(id=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
+ raise Http404("You are not allowed to view this course")
else:
course = None
@@ -767,7 +850,7 @@ def add_course(request, course_id=None):
new_course = form.save(commit=False)
new_course.creator = user
new_course.save()
- return my_redirect('/exam/manage/')
+ return my_redirect('/exam/manage/courses')
else:
return my_render_to_response(
'yaksh/add_course.html', {'form': form}, context_instance=ci
@@ -825,7 +908,8 @@ def courses(request):
creator=user, is_trial=False).order_by('-active', '-id')
allotted_courses = Course.objects.filter(
teachers=user, is_trial=False).order_by('-active', '-id')
- context = {'courses': courses, "allotted_courses": allotted_courses}
+ context = {'courses': courses, "allotted_courses": allotted_courses,
+ "type": "courses"}
return my_render_to_response('yaksh/courses.html', context,
context_instance=ci)
@@ -957,39 +1041,45 @@ def toggle_course_status(request, course_id):
else:
course.activate()
course.save()
- return course_detail(request, course_id)
+ return my_redirect("/exam/manage/courses")
@login_required
@email_verified
-def show_statistics(request, questionpaper_id, attempt_number=None):
+def show_statistics(request, questionpaper_id, attempt_number=None,
+ course_id=None):
user = request.user
if not is_moderator(user):
raise Http404('You are not allowed to view this page')
- attempt_numbers = AnswerPaper.objects.get_attempt_numbers(questionpaper_id)
+ attempt_numbers = AnswerPaper.objects.get_attempt_numbers(
+ questionpaper_id, course_id)
quiz = get_object_or_404(QuestionPaper, pk=questionpaper_id).quiz
if attempt_number is None:
context = {'quiz': quiz, 'attempts': attempt_numbers,
- 'questionpaper_id': questionpaper_id}
+ 'questionpaper_id': questionpaper_id,
+ 'course_id': course_id}
return my_render_to_response('yaksh/statistics_question.html', context,
context_instance=RequestContext(request))
total_attempt = AnswerPaper.objects.get_count(questionpaper_id,
- attempt_number)
- if not AnswerPaper.objects.has_attempt(questionpaper_id, attempt_number):
+ attempt_number,
+ course_id)
+ if not AnswerPaper.objects.has_attempt(questionpaper_id, attempt_number,
+ course_id):
return my_redirect('/exam/manage/')
question_stats = AnswerPaper.objects.get_question_statistics(
questionpaper_id, attempt_number
)
context = {'question_stats': question_stats, 'quiz': quiz,
'questionpaper_id': questionpaper_id,
- 'attempts': attempt_numbers, 'total': total_attempt}
+ 'attempts': attempt_numbers, 'total': total_attempt,
+ 'course_id': course_id}
return my_render_to_response('yaksh/statistics_question.html', context,
context_instance=RequestContext(request))
@login_required
@email_verified
-def monitor(request, quiz_id=None):
+def monitor(request, quiz_id=None, course_id=None):
"""Monitor the progress of the papers taken so far."""
user = request.user
@@ -1012,24 +1102,25 @@ def monitor(request, quiz_id=None):
# quiz_id is not None.
try:
quiz = get_object_or_404(Quiz, id=quiz_id)
- if not quiz.course.is_creator(user) and not quiz.course.is_teacher(user):
+ course = get_object_or_404(Course, id=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
raise Http404('This course does not belong to you')
- q_paper = QuestionPaper.objects.filter(Q(quiz__course__creator=user) |
- Q(quiz__course__teachers=user),
- quiz__is_trial=False,
+ q_paper = QuestionPaper.objects.filter(quiz__is_trial=False,
quiz_id=quiz_id).distinct()
- except QuestionPaper.DoesNotExist:
+ except (QuestionPaper.DoesNotExist, Course.DoesNotExist):
papers = []
q_paper = None
latest_attempts = []
attempt_numbers = []
else:
if q_paper:
- attempt_numbers = AnswerPaper.objects.get_attempt_numbers(q_paper.last().id)
+ attempt_numbers = AnswerPaper.objects.get_attempt_numbers(
+ q_paper.last().id, course.id)
else:
attempt_numbers = []
latest_attempts = []
- papers = AnswerPaper.objects.filter(question_paper=q_paper).order_by(
+ papers = AnswerPaper.objects.filter(question_paper=q_paper,
+ course_id=course_id).order_by(
'user__profile__roll_number'
)
users = papers.values_list('user').distinct()
@@ -1050,7 +1141,8 @@ def monitor(request, quiz_id=None):
"msg": "Quiz Results",
"latest_attempts": latest_attempts,
"csv_fields": csv_fields,
- "attempt_numbers": attempt_numbers
+ "attempt_numbers": attempt_numbers,
+ "course": course
}
return my_render_to_response('yaksh/monitor.html', context,
context_instance=ci)
@@ -1115,7 +1207,7 @@ def design_questionpaper(request, quiz_id, questionpaper_id=None):
if not is_moderator(user):
raise Http404('You are not allowed to view this page!')
quiz = Quiz.objects.get(id=quiz_id)
- if not quiz.course.is_creator(user) and not quiz.course.is_teacher(user):
+ if not quiz.creator == user:
raise Http404('This course does not belong to you')
filter_form = QuestionFilterForm(user=user)
questions = None
@@ -1177,7 +1269,7 @@ def design_questionpaper(request, quiz_id, questionpaper_id=None):
if 'save' in request.POST or 'back' in request.POST:
qpaper_form.save()
- return my_redirect('/exam/manage/courses/')
+ return my_redirect('/exam/manage/courses/all_quizzes/')
if marks:
questions = _get_questions(user, question_type, marks)
@@ -1268,10 +1360,12 @@ def show_all_questions(request):
if request.POST.get('test') == 'test':
question_ids = request.POST.getlist("question")
if question_ids:
- trial_paper = test_mode(user, False, question_ids, None)
+ trial_paper, trial_course, trial_module = test_mode(
+ user, False, question_ids, None)
trial_paper.update_total_marks()
trial_paper.save()
- return my_redirect("/exam/start/1/{0}".format(trial_paper.id))
+ return my_redirect("/exam/start/1/{0}/{1}/{2}".format(
+ trial_module.id, trial_paper.id, trial_course.id))
else:
context["msg"] = "Please select atleast one question to test"
@@ -1290,15 +1384,15 @@ def show_all_questions(request):
@login_required
@email_verified
-def user_data(request, user_id, questionpaper_id=None):
+def user_data(request, user_id, questionpaper_id=None, course_id=None):
"""Render user data."""
current_user = request.user
if not current_user.is_authenticated() or not is_moderator(current_user):
raise Http404('You are not allowed to view this page!')
user = User.objects.get(id=user_id)
- data = AnswerPaper.objects.get_user_data(user, questionpaper_id)
+ data = AnswerPaper.objects.get_user_data(user, questionpaper_id, course_id)
- context = {'data': data}
+ context = {'data': data, 'course_id': course_id}
return my_render_to_response('yaksh/user_data.html', context,
context_instance=RequestContext(request))
@@ -1327,7 +1421,8 @@ def download_quiz_csv(request, course_id, quiz_id):
csv_fields = []
attempt_number = None
question_paper = quiz.questionpaper_set.last()
- last_attempt_number =AnswerPaper.objects.get_attempt_numbers(question_paper.id).last()
+ last_attempt_number = AnswerPaper.objects.get_attempt_numbers(
+ question_paper.id, course.id).last()
if request.method == 'POST':
csv_fields = request.POST.getlist('csv_fields')
attempt_number = request.POST.get('attempt_number', last_attempt_number)
@@ -1341,7 +1436,6 @@ def download_quiz_csv(request, course_id, quiz_id):
attempt_number=attempt_number)
if not answerpapers:
return monitor(request, quiz_id)
-
response = HttpResponse(content_type='text/csv')
response['Content-Disposition'] = 'attachment; filename="{0}-{1}-attempt{2}.csv"'.format(
course.name.replace('.', ''), quiz.description.replace('.', ''),
@@ -1383,7 +1477,8 @@ def download_quiz_csv(request, course_id, quiz_id):
@login_required
@email_verified
-def grade_user(request, quiz_id=None, user_id=None, attempt_number=None):
+def grade_user(request, quiz_id=None, user_id=None, attempt_number=None,
+ course_id=None):
"""Present an interface with which we can easily grade a user's papers
and update all their marks and also give comments for each paper.
"""
@@ -1400,11 +1495,12 @@ def grade_user(request, quiz_id=None, user_id=None, attempt_number=None):
quiz_id=quiz_id
).values("id")
user_details = AnswerPaper.objects.get_users_for_questionpaper(
- questionpaper_id
+ questionpaper_id, course_id
)
quiz = get_object_or_404(Quiz, id=quiz_id)
- if not quiz.course.is_creator(current_user) and not \
- quiz.course.is_teacher(current_user):
+ course = get_object_or_404(Course, id=course_id)
+ if not course.is_creator(current_user) and not \
+ course.is_teacher(current_user):
raise Http404('This course does not belong to you')
has_quiz_assignments = AssignmentUpload.objects.filter(
@@ -1414,11 +1510,12 @@ def grade_user(request, quiz_id=None, user_id=None, attempt_number=None):
"users": user_details,
"quiz_id": quiz_id,
"quiz": quiz,
- "has_quiz_assignments": has_quiz_assignments
+ "has_quiz_assignments": has_quiz_assignments,
+ "course_id": course_id
}
if user_id is not None:
attempts = AnswerPaper.objects.get_user_all_attempts(
- questionpaper_id, user_id
+ questionpaper_id, user_id, course_id
)
try:
if attempt_number is None:
@@ -1431,7 +1528,7 @@ def grade_user(request, quiz_id=None, user_id=None, attempt_number=None):
).exists()
user = User.objects.get(id=user_id)
data = AnswerPaper.objects.get_user_data(
- user, questionpaper_id, attempt_number
+ user, questionpaper_id, course_id, attempt_number
)
context = {
"data": data,
@@ -1440,7 +1537,8 @@ def grade_user(request, quiz_id=None, user_id=None, attempt_number=None):
"attempts": attempts,
"user_id": user_id,
"has_user_assignments": has_user_assignments,
- "has_quiz_assignments": has_quiz_assignments
+ "has_quiz_assignments": has_quiz_assignments,
+ "course_id": course_id
}
if request.method == "POST":
papers = data['papers']
@@ -1602,28 +1700,37 @@ def remove_teachers(request, course_id):
return my_redirect('/exam/manage/courses')
-def test_mode(user, godmode=False, questions_list=None, quiz_id=None):
+def test_mode(user, godmode=False, questions_list=None, quiz_id=None,
+ course_id=None):
"""creates a trial question paper for the moderators"""
if questions_list is not None:
trial_course = Course.objects.create_trial_course(user)
- trial_quiz = Quiz.objects.create_trial_quiz(trial_course, user)
+ trial_quiz = Quiz.objects.create_trial_quiz(user)
trial_questionpaper = QuestionPaper.objects.create_trial_paper_to_test_questions(
trial_quiz, questions_list
)
+ trial_unit, created = LearningUnit.objects.get_or_create(
+ order=1, type="quiz", quiz=trial_quiz,
+ check_prerequisite=False)
+ module, created = LearningModule.objects.get_or_create(
+ order=1, creator=user, check_prerequisite=False,
+ name="Trial for {0}".format(trial_course.name))
+ module.learning_unit.add(trial_unit)
+ trial_course.learning_module.add(module.id)
else:
- trial_quiz = Quiz.objects.create_trial_from_quiz(
- quiz_id, user, godmode
+ trial_quiz, trial_course, module = Quiz.objects.create_trial_from_quiz(
+ quiz_id, user, godmode, course_id
)
trial_questionpaper = QuestionPaper.objects.create_trial_paper_to_test_quiz(
trial_quiz, quiz_id
)
- return trial_questionpaper
+ return trial_questionpaper, trial_course, module
@login_required
@email_verified
-def test_quiz(request, mode, quiz_id):
+def test_quiz(request, mode, quiz_id, course_id=None):
"""creates a trial quiz for the moderators"""
godmode = True if mode == "godmode" else False
current_user = request.user
@@ -1631,17 +1738,21 @@ def test_quiz(request, mode, quiz_id):
if (quiz.is_expired() or not quiz.active) and not godmode:
return my_redirect('/exam/manage')
- trial_questionpaper = test_mode(current_user, godmode, None, quiz_id)
- return my_redirect("/exam/start/{0}".format(trial_questionpaper.id))
+ trial_questionpaper, trial_course, trial_module = test_mode(
+ current_user, godmode, None, quiz_id, course_id)
+ return my_redirect("/exam/start/{0}/{1}/{2}".format(
+ trial_questionpaper.id, trial_module.id, trial_course.id))
@login_required
@email_verified
-def view_answerpaper(request, questionpaper_id):
+def view_answerpaper(request, questionpaper_id, course_id):
user = request.user
quiz = get_object_or_404(QuestionPaper, pk=questionpaper_id).quiz
- if quiz.view_answerpaper and user in quiz.course.students.all():
- data = AnswerPaper.objects.get_user_data(user, questionpaper_id)
+ course = get_object_or_404(Course, pk=course_id)
+ if quiz.view_answerpaper and user in course.students.all():
+ data = AnswerPaper.objects.get_user_data(user, questionpaper_id,
+ course_id)
has_user_assignment = AssignmentUpload.objects.filter(
user=user,
question_paper_id=questionpaper_id
@@ -1686,7 +1797,8 @@ def grader(request, extra_context=None):
@login_required
@email_verified
-def regrade(request, course_id, question_id=None, answerpaper_id=None, questionpaper_id=None):
+def regrade(request, course_id, question_id=None, answerpaper_id=None,
+ questionpaper_id=None):
user = request.user
course = get_object_or_404(Course, pk=course_id)
if not is_moderator(user) or (user != course.creator and user not in course.teachers.all()):
@@ -1698,7 +1810,7 @@ def regrade(request, course_id, question_id=None, answerpaper_id=None, questionp
details.append(answerpaper.regrade(question.id))
if questionpaper_id is not None and question_id is not None:
answerpapers = AnswerPaper.objects.filter(questions=question_id,
- question_paper_id=questionpaper_id)
+ question_paper_id=questionpaper_id, course_id=course_id)
for answerpaper in answerpapers:
details.append(answerpaper.regrade(question_id))
if answerpaper_id is not None and question_id is not None:
@@ -1713,7 +1825,8 @@ def download_course_csv(request, course_id):
user = request.user
if not is_moderator(user):
raise Http404('You are not allowed to view this page!')
- course = get_object_or_404(Course, pk=course_id)
+ course = Course.objects.prefetch_related("learning_module").get(
+ id=course_id)
if not course.is_creator(user) and not course.is_teacher(user):
raise Http404('The question paper does not belong to your course')
students = course.get_only_students().annotate(
@@ -1723,14 +1836,14 @@ def download_course_csv(request, course_id):
"id", "first_name", "last_name",
"email", "institute", "roll_number"
)
- quizzes = Quiz.objects.filter(course=course, is_trial=False)
+ quizzes = course.get_quizzes()
for student in students:
total_course_marks = 0.0
user_course_marks = 0.0
for quiz in quizzes:
quiz_best_marks = AnswerPaper.objects.get_user_best_of_attempts_marks\
- (quiz, student["id"])
+ (quiz, student["id"], course_id)
user_course_marks += quiz_best_marks
total_course_marks += quiz.questionpaper_set.values_list(
"total_marks", flat=True)[0]
@@ -2013,8 +2126,9 @@ def download_sample_csv(request):
"sample_user_upload.csv")
with open(csv_file_path, 'rb') as csv_file:
response = HttpResponse(csv_file.read(), content_type='text/csv')
- response['Content-Disposition'] = 'attachment;\
- filename="sample_user_upload"'
+ response['Content-Disposition'] = (
+ 'attachment; filename="sample_user_upload"'
+ )
return response
@@ -2022,7 +2136,7 @@ def download_sample_csv(request):
@email_verified
def duplicate_course(request, course_id):
user = request.user
- course = get_object_or_404(Course, pk=course_id)
+ course = Course.objects.get(id=course_id)
if not is_moderator(user):
raise Http404('You are not allowed to view this page!')
@@ -2034,6 +2148,7 @@ def duplicate_course(request, course_id):
return complete(request, msg, attempt_num=None, questionpaper_id=None)
return my_redirect('/exam/manage/courses/')
+
@login_required
@email_verified
def download_yaml_template(request):
@@ -2046,8 +2161,405 @@ def download_yaml_template(request):
yaml_file = zipfile.ZipFile(template_path, 'r')
template_yaml = yaml_file.open('questions_dump.yaml', 'r')
response = HttpResponse(template_yaml, content_type='text/yaml')
- response['Content-Disposition'] = 'attachment;\
- filename="questions_dump.yaml"'
-
+ response['Content-Disposition'] = (
+ 'attachment; filename="questions_dump.yaml"'
+ )
return response
+
+@login_required
+@email_verified
+def edit_lesson(request, lesson_id=None, course_id=None):
+ user = request.user
+ ci = RequestContext(request)
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ if lesson_id:
+ lesson = Lesson.objects.get(id=lesson_id)
+ if not lesson.creator == user and not course_id:
+ raise Http404('This Lesson does not belong to you')
+ else:
+ lesson = None
+ if course_id:
+ course = get_object_or_404(Course, id=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
+ raise Http404('This Lesson does not belong to you')
+ redirect_url = "/exam/manage/courses/"
+ else:
+ redirect_url = "/exam/manage/courses/all_lessons/"
+ context = {}
+ if request.method == "POST":
+ if "Save" in request.POST:
+ lesson_form = LessonForm(request.POST, instance=lesson)
+ lesson_file_form = LessonFileForm(request.POST, request.FILES)
+ lessonfiles = request.FILES.getlist('Lesson_files')
+ if lesson_form.is_valid():
+ if lesson is None:
+ lesson_form.instance.creator = user
+ lesson = lesson_form.save()
+ lesson.html_data = get_html_text(lesson.description)
+ lesson.save()
+ if lessonfiles:
+ for les_file in lessonfiles:
+ LessonFile.objects.get_or_create(
+ lesson=lesson, file=les_file
+ )
+ return my_redirect(redirect_url)
+ else:
+ context['lesson_form'] = lesson_form
+ context['lesson_file_form'] = lesson_file_form
+
+ if 'Delete' in request.POST:
+ remove_files_id = request.POST.getlist('delete_files')
+ if remove_files_id:
+ files = LessonFile.objects.filter(id__in=remove_files_id)
+ for file in files:
+ file.remove()
+ return my_redirect(redirect_url)
+
+ lesson_files = LessonFile.objects.filter(lesson=lesson)
+ lesson_files_form = LessonFileForm()
+ lesson_form = LessonForm(instance=lesson)
+ context['lesson_form'] = lesson_form
+ context['lesson_file_form'] = lesson_files_form
+ context['lesson_files'] = lesson_files
+ context['course_id'] = course_id
+ return my_render_to_response(
+ 'yaksh/add_lesson.html', context, context_instance=ci
+ )
+
+
+@login_required
+@email_verified
+def show_lesson(request, lesson_id, module_id, course_id):
+ user = request.user
+ course = Course.objects.get(id=course_id)
+ if user not in course.students.all():
+ raise Http404('This course does not belong to you')
+ if not course.active or not course.is_active_enrollment():
+ msg = "{0} is either expired or not active".format(course.name)
+ return quizlist_user(request, msg=msg)
+ learn_module = course.learning_module.get(id=module_id)
+ learn_unit = learn_module.learning_unit.get(lesson_id=lesson_id)
+ learning_units = learn_module.get_learning_units()
+ if learn_unit.has_prerequisite():
+ if not learn_unit.is_prerequisite_passed(user, learn_module, course):
+ msg = "You have not completed the prerequisite"
+ return view_module(request, learn_module.id, course_id, msg=msg)
+ context = {'lesson': learn_unit.lesson, 'user': user,
+ 'course': course, 'state': "lesson",
+ 'learning_units': learning_units, "current_unit": learn_unit,
+ 'learning_module': learn_module}
+ return my_render_to_response('yaksh/show_video.html', context)
+
+
+@login_required
+@email_verified
+def design_module(request, module_id, course_id=None):
+ user = request.user
+ ci = RequestContext(request)
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ context = {}
+ if course_id:
+ course = Course.objects.get(id=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
+ raise Http404('This course does not belong to you')
+ learning_module = LearningModule.objects.get(id=module_id)
+ if request.method == "POST":
+ if "Add" in request.POST:
+ add_values = request.POST.get("choosen_list").split(',')
+ to_add_list = []
+ if add_values:
+ ordered_units = learning_module.get_learning_units()
+ if ordered_units.exists():
+ start_val = ordered_units.last().order + 1
+ else:
+ start_val = 1
+ for order, value in enumerate(add_values, start_val):
+ learning_id, type = value.split(":")
+ if type == "quiz":
+ learning_unit = LearningUnit.objects.create(
+ order=order, quiz_id=learning_id,
+ type=type)
+ else:
+ learning_unit = LearningUnit.objects.create(
+ order=order, lesson_id=learning_id,
+ type=type)
+ to_add_list.append(learning_unit)
+ learning_module.learning_unit.add(*to_add_list)
+
+ if "Change" in request.POST:
+ order_list = request.POST.get("ordered_list").split(",")
+ for order in order_list:
+ learning_unit, learning_order = order.split(":")
+ if learning_order:
+ learning_unit = learning_module.learning_unit.get(
+ id=learning_unit)
+ learning_unit.order = learning_order
+ learning_unit.save()
+
+ if "Remove" in request.POST:
+ remove_values = request.POST.getlist("delete_list")
+ if remove_values:
+ learning_module.learning_unit.remove(*remove_values)
+ LearningUnit.objects.filter(id__in=remove_values).delete()
+
+ if "Change_prerequisite" in request.POST:
+ unit_list = request.POST.getlist("check_prereq")
+ for unit in unit_list:
+ learning_unit = learning_module.learning_unit.get(id=unit)
+ learning_unit.toggle_check_prerequisite()
+ learning_unit.save()
+
+ added_quiz_lesson = learning_module.get_added_quiz_lesson()
+ quizzes = [("quiz", quiz) for quiz in Quiz.objects.filter(
+ creator=user, is_trial=False)]
+ lessons = [("lesson", lesson)
+ for lesson in Lesson.objects.filter(creator=user)]
+ quiz_les_list = set(quizzes + lessons) - set(added_quiz_lesson)
+ context['quiz_les_list'] = quiz_les_list
+ context['learning_units'] = learning_module.get_learning_units()
+ context['status'] = 'design'
+ context['module_id'] = module_id
+ context['course_id'] = course_id
+ return my_render_to_response('yaksh/add_module.html', context,
+ context_instance=ci)
+
+
+@login_required
+@email_verified
+def add_module(request, module_id=None, course_id=None):
+ user = request.user
+ ci = RequestContext(request)
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ redirect_url = "/exam/manage/courses/all_learning_module/"
+ if course_id:
+ course = Course.objects.get(id=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
+ raise Http404('This course does not belong to you')
+ redirect_url = "/exam/manage/courses/"
+ if module_id:
+ module = LearningModule.objects.get(id=module_id)
+ if not module.creator == user and not course_id:
+ raise Http404('This Learning Module does not belong to you')
+ else:
+ module = None
+ context = {}
+ if request.method == "POST":
+ if "Save" in request.POST:
+ module_form = LearningModuleForm(request.POST, instance=module)
+ if module_form.is_valid():
+ if module is None:
+ module_form.instance.creator = user
+ module = module_form.save()
+ module.html_data = get_html_text(module.description)
+ module.save()
+ return my_redirect(redirect_url)
+ else:
+ context['module_form'] = module_form
+
+ module_form = LearningModuleForm(instance=module)
+ context['module_form'] = module_form
+ context['course_id'] = course_id
+ context['status'] = "add"
+ return my_render_to_response("yaksh/add_module.html",
+ context, context_instance=ci)
+
+
+@login_required
+@email_verified
+def show_all_quizzes(request):
+ user = request.user
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ quizzes = Quiz.objects.filter(creator=user, is_trial=False)
+ context = {"quizzes": quizzes, "type": "quiz"}
+ return my_render_to_response('yaksh/courses.html', context)
+
+
+@login_required
+@email_verified
+def show_all_lessons(request):
+ user = request.user
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ lessons = Lesson.objects.filter(creator=user)
+ context = {"lessons": lessons, "type": "lesson"}
+ return my_render_to_response('yaksh/courses.html', context)
+
+
+@login_required
+@email_verified
+def show_all_modules(request):
+ user = request.user
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ learning_modules = LearningModule.objects.filter(
+ creator=user, is_trial=False)
+ context = {"learning_modules": learning_modules, "type": "learning_module"}
+ return my_render_to_response('yaksh/courses.html', context)
+
+
+@login_required
+@email_verified
+def preview_html_text(request):
+ user = request.user
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ response_kwargs = {}
+ response_kwargs['content_type'] = 'application/json'
+ request_data = json.loads(request.body.decode("utf-8"))
+ html_text = get_html_text(request_data['description'])
+ return HttpResponse(json.dumps({"data": html_text}), **response_kwargs)
+
+
+@login_required
+@email_verified
+def get_next_unit(request, course_id, module_id, current_unit_id,
+ first_unit=None):
+ user = request.user
+ course = Course.objects.prefetch_related("learning_module").get(
+ id=course_id)
+ if user not in course.students.all():
+ raise Http404('You are not enrolled for this course!')
+ learning_module = course.learning_module.prefetch_related(
+ "learning_unit").get(id=module_id)
+ current_learning_unit = learning_module.learning_unit.get(
+ id=current_unit_id)
+
+ course_status = CourseStatus.objects.filter(
+ user=user, course_id=course_id,
+ )
+ if first_unit:
+ next_unit = current_learning_unit
+ else:
+ next_unit = learning_module.get_next_unit(current_learning_unit.id)
+ if not course_status.exists():
+ course_status = CourseStatus.objects.create(
+ user=user, course_id=course_id
+ )
+ else:
+ course_status = course_status.first()
+
+ # Add learning unit to completed units list
+ if not first_unit:
+ course_status.completed_units.add(current_learning_unit.id)
+
+ # make next available unit as current unit
+ course_status.current_unit = next_unit
+ course_status.save()
+ if next_unit.type == "quiz":
+ return my_redirect("/exam/start/{0}/{1}/{2}".format(
+ next_unit.quiz.questionpaper_set.get().id, module_id, course_id))
+ else:
+ return my_redirect("/exam/show_lesson/{0}/{1}/{2}".format(
+ next_unit.lesson.id, module_id, course_id))
+
+
+@login_required
+@email_verified
+def design_course(request, course_id):
+ user = request.user
+ ci = RequestContext(request)
+ if not is_moderator(user):
+ raise Http404('You are not allowed to view this page!')
+ course = Course.objects.get(id=course_id)
+ if not course.is_creator(user) and not course.is_teacher(user):
+ raise Http404('This course does not belong to you')
+ context = {}
+ if request.method == "POST":
+ if "Add" in request.POST:
+ add_values = request.POST.getlist("module_list")
+ to_add_list = []
+ if add_values:
+ ordered_modules = course.get_learning_modules()
+ if ordered_modules.exists():
+ start_val = ordered_modules.last().order + 1
+ else:
+ start_val = 1
+ for order, value in enumerate(add_values, start_val):
+ learning_module = LearningModule.objects.get(id=int(value))
+ learning_module.order = order
+ learning_module.save()
+ to_add_list.append(learning_module)
+ course.learning_module.add(*to_add_list)
+
+ if "Change" in request.POST:
+ order_list = request.POST.get("ordered_list").split(",")
+ for order in order_list:
+ learning_unit, learning_order = order.split(":")
+ if learning_order:
+ learning_module = course.learning_module.get(
+ id=learning_unit)
+ learning_module.order = learning_order
+ learning_module.save()
+
+ if "Remove" in request.POST:
+ remove_values = request.POST.getlist("delete_list")
+ if remove_values:
+ course.learning_module.remove(*remove_values)
+
+ if "Change_prerequisite" in request.POST:
+ unit_list = request.POST.getlist("check_prereq")
+ for unit in unit_list:
+ learning_module = course.learning_module.get(id=unit)
+ learning_module.toggle_check_prerequisite()
+ learning_module.save()
+
+ added_learning_modules = course.get_learning_modules()
+ all_learning_modules = LearningModule.objects.filter(
+ creator=user, is_trial=False)
+
+ learning_modules = set(all_learning_modules) - set(added_learning_modules)
+ context['added_learning_modules'] = added_learning_modules
+ context['learning_modules'] = learning_modules
+ context['course_id'] = course_id
+ return my_render_to_response('yaksh/design_course_session.html', context,
+ context_instance=ci)
+
+
+@login_required
+@email_verified
+def view_module(request, module_id, course_id, msg=None):
+ user = request.user
+ course = Course.objects.get(id=course_id)
+ if user not in course.students.all():
+ raise Http404('You are not enrolled for this course!')
+ context = {}
+ if not course.active or not course.is_active_enrollment():
+ msg = "{0} is either expired or not active".format(course.name)
+ return course_modules(request, course_id, msg)
+ learning_module = course.learning_module.get(id=module_id)
+ if learning_module.has_prerequisite():
+ if not learning_module.is_prerequisite_passed(user, course):
+ msg = "You have not completed the previous learning module"
+ return course_modules(request, course_id, msg)
+ learning_units = learning_module.get_learning_units()
+ context['learning_units'] = learning_units
+ context['learning_module'] = learning_module
+ context['first_unit'] = learning_units[0]
+ context['user'] = user
+ context['course'] = course
+ context['state'] = "module"
+ context['msg'] = msg
+ return my_render_to_response('yaksh/show_video.html', context)
+
+
+@login_required
+@email_verified
+def course_modules(request, course_id, msg=None):
+ user = request.user
+ course = Course.objects.get(id=course_id)
+ if user not in course.students.all():
+ msg = 'You are not enrolled for this course!'
+ return quizlist_user(request, msg=msg)
+
+ if not course.active or not course.is_active_enrollment():
+ msg = "{0} is either expired or not active".format(course.name)
+ return quizlist_user(request, msg=msg)
+ learning_modules = course.get_learning_modules()
+ context = {"course": course, "learning_modules": learning_modules,
+ "user": user, "msg": msg}
+ return my_render_to_response('yaksh/course_modules.html', context)