def user_progression(user, activity):
"""Return a tuple of two integers `(progression, quality)` where
`progression` is the percent of work done and `quality` is the
mean of grades over graded exercices.
All views using this utilitary function should check the
requesting user is allowed to access data.
`progression` : percent of graded exercices plus 10% of percent of
only built exercices by the `user`.
`quality` : average grade obtained by `user` over graded
exercices. Quality is zero if no exercice has been graded.
"""
pl = activity.pl.all()
nb_pl_touched = 0
nb_pl_graded = 0
sum_grades = 0
for i in pl:
answer = Answer.highest_grade(i, user)
if answer is not None:
nb_pl_touched += 1
if answer.grade is not None:
nb_pl_graded += 1
sum_grades += answer.grade
progr = (100 * nb_pl_graded + 10 *
(nb_pl_touched - nb_pl_graded)) / len(pl) if pl else 0
average = sum_grades / nb_pl_graded if nb_pl_graded else 0
return (progr, average)
def notes(self, activity, request):
user = request.user
users = activity.student.all()
pl = activity.pl.all()
if not user or user not in activity.teacher.all():
return HttpResponseForbidden("Not authorized")
csv = "username,firstname,lastname,email," + ''.join(
[str(i + 1) + ": " + p.name + ","
for i, p in enumerate(pl)]) + "total\n"
for u in users:
grades = []
for i in pl:
answer = Answer.highest_grade(i, u)
grades.append(0 if answer is None else max(answer.grade, 0)
if answer.grade is not None else 0)
csv += ("%s,%s,%s,%s," %
(u.username, u.first_name, u.last_name, u.email) +
''.join([str(i) + ","
for i in grades]) + str(sum(grades)) + "\n")
response = HttpResponse(csv, content_type="text/csv")
response['Content-Disposition'] = 'attachment;filename=notes.csv'
return response
def teacher_dashboard(self, request, activity, session):
"""
This method is called when the dashboard of an activity is requested for a teacher.
:return: A rendered template of the teacher dashboard
"""
exos = []
for pl in activity.indexed_pl():
exos.append({'name': pl.json['title'], 'sum_grades': 0})
for state in list(State)[0:-1]:
exos[-1][state] = 0
student = list()
for user in activity.student.all():
tp = list()
for count, pl in enumerate(activity.indexed_pl()):
ans_grade = Answer.highest_grade(pl, user)
state = State.by_grade(ans_grade.grade if ans_grade else ...)
tp.append({'name': pl.json['title'], 'state': state})
if state != State.ERROR:
exos[count][state] += 1
if ans_grade and ans_grade.grade is not None:
exos[count]['sum_grades'] += ans_grade.grade
student.append({
'lastname': user.last_name,
'object': user,
'id': user.id,
'question': tp,
})
for exo in exos:
exo['mean'] = exo['sum_grades'] / len(student) if student else 0
exo.pop('sum_grades')
# Sort list by student's name
student = sorted(student, key=lambda k: k['lastname'])
return render(
request, 'activity/activity_type/pltp/teacher_dashboard.html', {
'state': [i for i in State if i != State.ERROR],
'course_name': activity.parent.name,
'activity_name': activity.name,
'student': student,
'range_tp': range(len(activity.indexed_pl())),
'course_id': activity.parent.id,
'exos': exos,
})
def test_highest_grade(self):
self.assertIs(Answer.highest_grade(self.pl, self.user), None)
Answer.objects.create(pl=self.pl, user=self.user, grade=10)
Answer.objects.create(pl=self.pl, user=self.user, grade=20)
self.assertEqual(Answer.highest_grade(self.pl, self.user).grade, 20)
