def update_summary(self,
last_tracker_pk=0, newest_tracker_pk=0, # range of tracker ids to process
last_points_pk=0, newest_points_pk=0 # range of points ids to process
):
first_tracker = (last_tracker_pk == 0)
first_points = (last_points_pk == 0)
t = time.time()
selfTrackers = Tracker.objects.filter(user=self.user, course=self.course, pk__gt=last_tracker_pk, pk__lte=newest_tracker_pk)
### Add the values that are directly obtained from the last pks
self.total_activity = (0 if first_tracker else self.total_activity) + selfTrackers.count()
self.total_downloads = (0 if first_tracker else self.total_downloads) + selfTrackers.filter(type='download').count()
new_points = Points.objects
if newest_points_pk > 0:
new_points = new_points.filter(pk__gt=last_points_pk, pk__lte=newest_points_pk, course=self.course,user=self.user)
else:
new_points = new_points.filter(pk__gt=last_points_pk, course=self.course,user=self.user)
new_points = new_points.aggregate(total=Sum('points'))['total']
if new_points:
self.points = (0 if first_points else self.points) + new_points
### Values that need to be recalculated (as the course digests may vary)
self.pretest_score = Course.get_pre_test_score(self.course, self.user)
self.quizzes_passed = Course.get_no_quizzes_completed(self.course, self.user)
self.badges_achieved = Course.get_badges(self.course, self.user)
self.completed_activities = Course.get_activities_completed(self.course, self.user)
### Update the data in the database
self.save()
elapsed_time = time.time() - t
print('took %.2f seconds' % elapsed_time)
def course_completion_rates(request,course_id):
if not request.user.is_staff:
return HttpResponse('Unauthorized', status=401)
try:
course = Course.objects.get(pk=course_id)
except Course.DoesNotExist:
raise Http404
users_completed = []
users_incompleted = []
courseActivities = course.get_no_activities()
users = User.objects.filter(tracker__course=course).distinct()
for user in users:
userActivities = Course.get_activities_completed(course, user)
userObj = {'user': user}
userObj['activities_completed'] = userActivities
userObj['completion_percent'] = (userActivities * 100 / courseActivities)
if (userActivities >= courseActivities):
users_completed.append(userObj)
else:
users_incompleted.append(userObj)
return render_to_response('oppia/reports/course_completion_rates.html',
{
'course': course,
'users_enroled_count': len(users_completed) + len(users_incompleted),
'users_completed': users_completed,
'users_incompleted': users_incompleted,
},
context_instance=RequestContext(request))
def update_summary(
self,
last_tracker_pk=0,
newest_tracker_pk=0,
# range of tracker ids to process
last_points_pk=0,
newest_points_pk=0
# range of points ids to process
):
first_tracker = (last_tracker_pk == 0)
first_points = (last_points_pk == 0)
self_trackers = Tracker.objects.filter(user=self.user,
course=self.course,
pk__gt=last_tracker_pk,
pk__lte=newest_tracker_pk)
activity_trackers = self_trackers.exclude(
type=constants.STR_TRACKER_TYPE_DOWNLOAD)
# Add the values that are directly obtained from the last pks
self.total_activity = (0 if first_tracker else self.total_activity
) + activity_trackers.count()
self.total_downloads = (
0
if first_tracker else self.total_downloads) + self_trackers.filter(
type=constants.STR_TRACKER_TYPE_DOWNLOAD).count()
filters = {
'user': self.user,
'course': self.course,
'pk__gt': last_points_pk
}
if newest_points_pk > 0:
filters['pk__lte'] = newest_points_pk
new_points = Points.objects.filter(** filters) \
.aggregate(total=Sum('points'))['total']
if new_points:
self.points = (0 if first_points else self.points) + new_points
# Values that need to be recalculated (as the course digests may vary)
self.pretest_score = Course.get_pre_test_score(self.course, self.user)
self.quizzes_passed = Course.get_no_quizzes_completed(
self.course, self.user)
self.completed_activities = Course.get_activities_completed(
self.course, self.user)
self.media_viewed = Course.get_media_viewed(self.course, self.user)
self.badges_achieved = Award.get_userawards(self.user, self.course)
# Update the data in the database
self.save()
# update total_activity_current and total_activity_previous
self.update_current_previous_activity()
