Ross
524 lines
15 KiB
Python
524 lines
15 KiB
Python
from physics.decorators import user_is_author_or_physics_checker
|
|
from physics.filters import QuestionFilter, UserAnswerFilter
|
|
from generic.mixins import SuperuserRequiredMixin
|
|
from physics.tables import QuestionTable, UserAnswerTable
|
|
from django.shortcuts import render, get_object_or_404, redirect
|
|
from django.views.decorators.csrf import csrf_exempt
|
|
from django import forms
|
|
|
|
# from django.contrib.auth.models import User
|
|
from django.contrib.auth.decorators import login_required, user_passes_test
|
|
from django.contrib.auth.models import User
|
|
|
|
from django.contrib.auth.mixins import LoginRequiredMixin
|
|
from django.views.generic.detail import DetailView
|
|
|
|
from django.views.generic.edit import CreateView, UpdateView, DeleteView
|
|
from django.views.generic import ListView
|
|
|
|
from django.db.models.functions import Lower
|
|
|
|
from django.core.cache import cache
|
|
|
|
from django.urls import reverse_lazy, reverse
|
|
|
|
from django.http import Http404, JsonResponse
|
|
|
|
from django.http import HttpResponseRedirect, HttpResponse
|
|
from django_filters.views import FilterView
|
|
from django_tables2.views import SingleTableMixin
|
|
from reversion.views import RevisionMixin
|
|
|
|
from .models import Question, Category, Exam, CidUserAnswer
|
|
|
|
from collections import defaultdict
|
|
import os
|
|
import base64
|
|
import mimetypes
|
|
import json
|
|
import statistics
|
|
import plotly.express as px
|
|
|
|
from generic.views import ExamCloneMixin, ExamViews, GenericViewBase
|
|
|
|
from rest_framework import viewsets, permissions
|
|
from rest_framework.pagination import PageNumberPagination
|
|
|
|
from django.core.exceptions import PermissionDenied
|
|
|
|
from .forms import CidUserAnswerForm, ExamForm
|
|
from .decorators import (
|
|
user_is_author_or_physics_checker,
|
|
user_is_exam_author_or_physics_checker,
|
|
)
|
|
|
|
|
|
class AuthorOrCheckerRequiredMixin(object):
|
|
def get_object(self, *args, **kwargs):
|
|
obj = super().get_object(*args, **kwargs)
|
|
if self.request.user.groups.filter(name="physics_checker").exists():
|
|
return obj
|
|
if self.request.user not in obj.author.all():
|
|
raise PermissionDenied() # or Http404
|
|
return obj
|
|
|
|
|
|
def question_list(request):
|
|
questions = Question.objects.all()
|
|
return render(request, "physics/question_list.html", {"questions": questions})
|
|
|
|
|
|
@login_required
|
|
@user_is_author_or_physics_checker
|
|
def question_detail(request, pk):
|
|
question = get_object_or_404(Question, pk=pk)
|
|
return render(request, "physics/question_detail.html", {"question": question})
|
|
|
|
|
|
def active_exams(request):
|
|
exams = Exam.objects.all()
|
|
print(exams)
|
|
|
|
active_exams = []
|
|
|
|
for exam in exams:
|
|
if exam.active:
|
|
active_exams.append(exam)
|
|
return render(request, "physics/available_exam_list.html", {"exams": active_exams})
|
|
|
|
|
|
@login_required
|
|
def exam_scores_cid(request, pk):
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
questions = exam.exam_questions.all()
|
|
|
|
cids = (
|
|
CidUserAnswer.objects.filter(question__in=questions, exam__id=pk)
|
|
.order_by("cid")
|
|
.values_list("cid", flat=True)
|
|
.distinct()
|
|
)
|
|
|
|
user_answers_and_marks = defaultdict(list)
|
|
user_answers_marks = defaultdict(list)
|
|
user_answers = defaultdict(list)
|
|
user_names = {}
|
|
|
|
by_question = defaultdict(list)
|
|
unmarked = set()
|
|
|
|
# Loop through all candidates
|
|
for cid in cids:
|
|
# Convoluted (probably...)
|
|
user_names[cid] = cid
|
|
for q in questions:
|
|
# Get user answer
|
|
s = q.cid_user_answers.filter(cid=cid, exam__id=pk).first()
|
|
if not s:
|
|
# skip if no answer
|
|
user_answers_marks[cid].append(0)
|
|
user_answers[cid].append("")
|
|
by_question[q].append(("", 0))
|
|
continue
|
|
|
|
ans = s.get_answers()
|
|
answer_scores = s.get_answer_scores()
|
|
|
|
user_answers[cid].append(ans)
|
|
user_answers_marks[cid].append(answer_scores)
|
|
user_answers_and_marks[cid].append((ans, answer_scores))
|
|
|
|
zipped_ans_scores = zip(ans, answer_scores)
|
|
|
|
by_question[q].append(zipped_ans_scores)
|
|
|
|
user_scores = {}
|
|
for user in user_answers_marks:
|
|
user_scores[user] = sum([sum(i) for i in user_answers_marks[user]])
|
|
|
|
user_scores_list = list(user_scores.values())
|
|
|
|
if len(user_scores_list) < 1:
|
|
mean = 0
|
|
median = 0
|
|
mode = 0
|
|
fig_html = ""
|
|
else:
|
|
mean = statistics.mean(user_scores_list)
|
|
median = statistics.median(user_scores_list)
|
|
try:
|
|
mode = statistics.mode(user_scores_list)
|
|
except statistics.StatisticsError:
|
|
mode = "No unique mode"
|
|
|
|
df = user_scores_list
|
|
fig = px.histogram(
|
|
df,
|
|
x=0,
|
|
title="{}: distribution of scores".format(exam),
|
|
labels={"0": "Score"},
|
|
height=400,
|
|
width=600,
|
|
)
|
|
fig_html = fig.to_html()
|
|
|
|
max_score = len(questions)
|
|
|
|
return render(
|
|
request,
|
|
"physics/exam_scores.html",
|
|
{
|
|
"cids": cids,
|
|
"exam": exam,
|
|
"unmarked": unmarked,
|
|
"questions": questions,
|
|
"by_question": by_question,
|
|
"user_answers": dict(user_answers),
|
|
"user_answers_marks": dict(user_answers_marks),
|
|
"user_scores": user_scores,
|
|
"user_scores_list": user_scores_list,
|
|
"user_names": user_names,
|
|
"user_answers_and_marks": user_answers_and_marks,
|
|
"max_score": max_score,
|
|
"mean": mean,
|
|
"median": median,
|
|
"mode": mode,
|
|
"plot": fig_html,
|
|
},
|
|
)
|
|
|
|
|
|
def exam_scores_cid_user(request, pk, sk, passcode):
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
cid = sk
|
|
if not exam.check_cid_user(cid, passcode):
|
|
raise Http404("Error accessing exam")
|
|
|
|
questions = exam.exam_questions.all()
|
|
|
|
answers_and_marks = []
|
|
answers_marks = []
|
|
answers = []
|
|
|
|
view_all_results = False
|
|
if request.user.groups.filter(name="view_all_results").exists():
|
|
view_all_results = True
|
|
|
|
for q in questions:
|
|
# Get user answer
|
|
user_answer = q.cid_user_answers.filter(cid=cid, exam__id=pk).first()
|
|
|
|
ans = user_answer.get_answers()
|
|
|
|
answer_scores = user_answer.get_answer_scores()
|
|
|
|
correct_answers = q.get_answers()
|
|
|
|
if not exam.publish_results and not view_all_results:
|
|
correct_answers = ("*****", "*****", "*****", "*****", "*****")
|
|
answer_scores = (0, 0, 0, 0, 0)
|
|
answers.append(ans)
|
|
answers_marks.append(answer_scores)
|
|
|
|
merged_ans = zip(q.get_questions(), ans, answer_scores, correct_answers)
|
|
answers_and_marks.append((q, merged_ans))
|
|
|
|
total_score = sum(sum(i) for i in answers_marks)
|
|
|
|
max_score = len(questions) * 5
|
|
|
|
return render(
|
|
request,
|
|
"physics/exam_scores_user.html",
|
|
{
|
|
"exam": exam,
|
|
"cid": cid,
|
|
"passcode" : passcode,
|
|
"questions": questions,
|
|
"answers": answers,
|
|
"answers_marks": answers_marks,
|
|
"total_score": total_score,
|
|
"max_score": max_score,
|
|
"answers_and_marks": answers_and_marks,
|
|
},
|
|
)
|
|
|
|
|
|
def exam_take_old(request, pk):
|
|
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
if not exam.active:
|
|
raise Http404("Exam not found")
|
|
|
|
questions = exam.exam_questions.all()
|
|
|
|
return render(
|
|
request,
|
|
"physics/exam_take_old.html",
|
|
{
|
|
"exam": exam,
|
|
"questions": questions,
|
|
},
|
|
)
|
|
|
|
|
|
def exam_start(request, pk):
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
if not exam.active:
|
|
raise Http404("Exam not found")
|
|
|
|
return render(
|
|
request,
|
|
"physics/exam_start.html",
|
|
{
|
|
"exam": exam,
|
|
},
|
|
)
|
|
|
|
|
|
def exam_finish(request, pk, cid, passcode):
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
if not exam.check_cid_user(cid, passcode):
|
|
raise Http404("Error accessing exam")
|
|
|
|
questions = exam.exam_questions.all()
|
|
|
|
answers = CidUserAnswer.objects.filter(cid=cid, exam=exam)
|
|
|
|
answer_question_map = {}
|
|
for ans in answers:
|
|
answer_question_map[ans.question] = ans
|
|
|
|
question_answer_tuples = []
|
|
answer_count = 0
|
|
for q in questions:
|
|
# if q in answer_question_map and answer_question_map[q].answer:
|
|
if q in answer_question_map: # might need to improve this
|
|
question_answer_tuples.append((q, answer_question_map[q]))
|
|
answer_count += 1
|
|
else:
|
|
question_answer_tuples.append((q, None))
|
|
|
|
if not exam.active:
|
|
raise Http404("Exam not found")
|
|
|
|
return render(
|
|
request,
|
|
"physics/exam_finish.html",
|
|
{
|
|
"exam": exam,
|
|
"cid": cid,
|
|
"question_answer_tuples": question_answer_tuples,
|
|
"answer_count": answer_count,
|
|
"exam_length": len(questions),
|
|
"passcode": passcode,
|
|
},
|
|
)
|
|
|
|
|
|
def exam_take(request, pk, sk, cid, passcode):
|
|
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
if not exam.active:
|
|
raise Http404("Exam not found")
|
|
|
|
if not exam.check_cid_user(cid, passcode):
|
|
raise Http404("Error accessing exam")
|
|
|
|
question = exam.exam_questions.all()[sk]
|
|
|
|
exam_length = len(exam.exam_questions.all())
|
|
|
|
pos = exam.get_question_index(question)
|
|
|
|
answer = question.cid_user_answers.filter(cid=cid, exam=exam).first()
|
|
|
|
if request.method == "POST":
|
|
if answer:
|
|
form = CidUserAnswerForm(request.POST, instance=answer)
|
|
else:
|
|
form = CidUserAnswerForm(request.POST)
|
|
if form.is_valid() and not exam.publish_results:
|
|
answer = form.save(commit=False)
|
|
answer.cid = cid
|
|
answer.question = question
|
|
answer.exam = exam
|
|
# answer.published_date = timezone.now()
|
|
answer.save()
|
|
|
|
kwargs = {"pk": pk, "cid": cid, "passcode": passcode}
|
|
take_url = "physics:exam_take"
|
|
finish_url = "physics:exam_finish"
|
|
|
|
if "next" in request.POST:
|
|
return redirect(take_url, sk=pos + 1, **kwargs)
|
|
elif "previous" in request.POST:
|
|
return redirect(take_url, sk=pos - 1, **kwargs)
|
|
elif "finish" in request.POST:
|
|
return redirect(finish_url, **kwargs)
|
|
elif "goto" in request.POST:
|
|
return redirect(take_url, sk=int(request.POST.get("goto")), **kwargs)
|
|
else:
|
|
form = CidUserAnswerForm(instance=answer)
|
|
|
|
previous = -1
|
|
if sk > 0:
|
|
previous = sk - 1
|
|
next = sk + 1
|
|
if sk == exam_length - 1:
|
|
next = False
|
|
|
|
saved_answer = False
|
|
if answer is not None:
|
|
saved_answer = [answer.a, answer.b, answer.c, answer.d, answer.e]
|
|
|
|
return render(
|
|
request,
|
|
"physics/exam_take.html",
|
|
{
|
|
"form": form,
|
|
"cid": cid,
|
|
"exam": exam,
|
|
"question": question,
|
|
"next": next,
|
|
"previous": previous,
|
|
"exam_length": exam_length,
|
|
"pos": pos,
|
|
"passcode": passcode,
|
|
},
|
|
)
|
|
|
|
|
|
def loadJsonAnswer(answer):
|
|
# As access is not restricted make sure the data appears valid
|
|
if (not isinstance(answer["cid"], int)) or (not isinstance(answer["eid"], int)):
|
|
return False, JsonResponse({"success": False, "error": "invalid"})
|
|
|
|
# The model should catch invalid data but this should be less intensive
|
|
max_int = 2147483647
|
|
if answer["cid"] > max_int or answer["eid"] > max_int:
|
|
return False, JsonResponse({"success": False, "error": "invalid candidate id"})
|
|
|
|
exam = get_object_or_404(Exam, pk=answer["eid"])
|
|
|
|
# if not exam.active:
|
|
# return False, JsonResponse(
|
|
# {"success": False, "error": "No active exam: {}".format(answer["eid"])}
|
|
# )
|
|
|
|
questions = defaultdict(dict)
|
|
|
|
for q, n, a in answer["ans"]:
|
|
questions[q][n] = a
|
|
pass
|
|
|
|
for qid in questions:
|
|
exiting_answers = CidUserAnswer.objects.filter(
|
|
question__id=qid, exam__id=answer["eid"], cid=answer["cid"]
|
|
)
|
|
|
|
a = questions[qid]["a"]
|
|
b = questions[qid]["b"]
|
|
c = questions[qid]["c"]
|
|
d = questions[qid]["d"]
|
|
e = questions[qid]["e"]
|
|
|
|
if not exiting_answers:
|
|
ans = CidUserAnswer(a=a, b=b, c=c, d=d, e=e, cid=answer["cid"])
|
|
ans.question_id = qid
|
|
ans.exam_id = answer["eid"]
|
|
|
|
ans.full_clean()
|
|
|
|
ans.save()
|
|
else:
|
|
# Update an existing answer
|
|
# should never be more than one (famous last words)
|
|
ans = exiting_answers[0]
|
|
ans.a = a
|
|
ans.b = b
|
|
ans.c = c
|
|
ans.d = d
|
|
ans.e = e
|
|
ans.full_clean()
|
|
ans.save()
|
|
|
|
return True, None
|
|
|
|
|
|
PhysicsExamViews = ExamViews(Exam, Question, "physics", "physics", loadJsonAnswer)
|
|
|
|
GenericViews = GenericViewBase("physics", Question, CidUserAnswer, Exam)
|
|
|
|
|
|
class ExamCreate(RevisionMixin, LoginRequiredMixin, CreateView):
|
|
model = Exam
|
|
form_class = ExamForm
|
|
|
|
def form_valid(self, form):
|
|
self.object = form.save(commit=False)
|
|
self.object.save()
|
|
|
|
form.instance.author.add(self.request.user.id)
|
|
return super().form_valid(form)
|
|
|
|
|
|
class ExamClone(AuthorOrCheckerRequiredMixin, ExamCloneMixin, ExamCreate):
|
|
"""Clone exam view"""
|
|
|
|
|
|
class ExamDelete(RevisionMixin, AuthorOrCheckerRequiredMixin, DeleteView):
|
|
model = Exam
|
|
template_name = "exam_confirm_delete.html"
|
|
success_url = reverse_lazy("physics:index")
|
|
|
|
|
|
class ExamUpdate(
|
|
RevisionMixin, LoginRequiredMixin, AuthorOrCheckerRequiredMixin, UpdateView
|
|
):
|
|
model = Exam
|
|
form_class = ExamForm
|
|
|
|
def form_valid(self, form):
|
|
self.object = form.save(commit=False)
|
|
self.object.save()
|
|
|
|
form.instance.author.add(self.request.user.id)
|
|
return super().form_valid(form)
|
|
|
|
|
|
class QuestionView(
|
|
LoginRequiredMixin, SingleTableMixin, FilterView, AuthorOrCheckerRequiredMixin
|
|
):
|
|
model = Question
|
|
table_class = QuestionTable
|
|
template_name = "physics/question_view.html"
|
|
|
|
filterset_class = QuestionFilter
|
|
|
|
|
|
class UserAnswerView(AuthorOrCheckerRequiredMixin, LoginRequiredMixin, DetailView):
|
|
model = CidUserAnswer
|
|
|
|
|
|
class UserAnswerTableView(
|
|
AuthorOrCheckerRequiredMixin, LoginRequiredMixin, SingleTableMixin, FilterView
|
|
):
|
|
model = CidUserAnswer
|
|
table_class = UserAnswerTable
|
|
template_name = "physics/user_answer_question_view.html"
|
|
|
|
filterset_class = UserAnswerFilter
|
|
|
|
|
|
class UserAnswerDelete(SuperuserRequiredMixin, DeleteView):
|
|
model = CidUserAnswer
|
|
template_name = "user_answer_delete.html"
|
|
success_url = reverse_lazy("physics:user_answer_table_view")
|