Ross
700 lines
20 KiB
Python
700 lines
20 KiB
Python
from django.shortcuts import render, get_object_or_404, redirect
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from django.views.decorators.csrf import csrf_exempt
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from django import forms
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# from django.contrib.auth.models import User
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from django.contrib.auth.decorators import login_required, user_passes_test
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from django.contrib.auth.models import User
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from django.db.models.functions import Lower
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from django.core.cache import cache
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from django.http import Http404, JsonResponse
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from .forms import AnatomyAnswerForm, MarkAnatomyQuestionForm
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from .models import (
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AnatomyQuestion,
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CidUserAnswer,
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UserAnswer,
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Exam,
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Answer,
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#HalfMarkAnswers,
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#IncorrectAnswers,
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)
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from collections import defaultdict
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import os
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import base64
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import mimetypes
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import json
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import statistics
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import plotly.express as px
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def image_as_base64(image_file):
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"""
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:param `image_file` for the complete path of image.
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:param `format` is format for image, eg: `png` or `jpg`.
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"""
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# if not os.path.isfile(image_file):
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# return None
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encoded_string = ""
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# with open(image_file, 'rb') as img_f:
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# encoded_string = base64.b64encode(img_f.read())
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encoded_string = base64.b64encode(image_file.file.read())
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mimetype, enc = mimetypes.guess_type(image_file.path)
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return "data:image/{};base64,{}".format(mimetype,
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encoded_string.decode("utf-8"))
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from django.template.defaulttags import register
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@register.filter
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def get_item(dictionary, key):
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return dictionary.get(key)
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def user_is_admin(user):
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if user:
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if user.pk == 1:
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return True
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return False
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def question_list(request):
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questions = AnatomyQuestion.objects.all()
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return render(request, "anatomy/question_list.html",
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{"questions": questions})
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@login_required
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def index(request):
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exams = Exam.objects.all()
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return render(request, "anatomy/index.html", {"exams": exams})
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@login_required
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def question_detail(request, pk):
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question = get_object_or_404(AnatomyQuestion, pk=pk)
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return render(request, "anatomy/question_detail.html",
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{"question": question})
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@login_required
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def answer_question(request, pk):
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question = get_object_or_404(AnatomyQuestion, pk=pk)
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answer = question.user_answers.filter(
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user=request.user).first() # .filter(user=User)
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if request.method == "POST":
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if answer:
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form = AnatomyAnswerForm(request.POST, instance=answer)
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else:
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form = AnatomyAnswerForm(request.POST)
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if form.is_valid():
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answer = form.save(commit=False)
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answer.user = request.user
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answer.question = question
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# answer.published_date = timezone.now()
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answer.save()
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return redirect("question_detail", pk=pk)
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else:
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form = AnatomyAnswerForm(instance=answer)
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return render(request, "anatomy/answer_question.html", {
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"form": form,
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"question": question
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})
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@login_required
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def exam_list(request):
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exams = Exam.objects.all()
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return render(request, "anatomy/exam_list.html", {"exams": exams})
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@login_required
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def exam_overview(request, pk):
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print(type(pk))
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print(Exam.objects.all())
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exams = Exam.objects.all()
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print("test", Exam.objects.all().get(id=pk))
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exam = get_object_or_404(Exam, pk=pk)
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print("exam", exam)
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questions = exam.exam_questions.all()
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question_number = len(questions)
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return render(
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request,
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"anatomy/exam_overview.html",
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{
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"exam": exam,
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"questions": questions,
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"question_number": question_number
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},
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)
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@login_required
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def exam_take(request, pk, sk):
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"""
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Allows taking of the exam on the django server (when logged in)
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No longer used (deprecated in favour of using RTS)
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"""
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exam = get_object_or_404(Exam, pk=pk)
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questions = exam.exam_questions.all()
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try:
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question = questions[sk]
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except IndexError:
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raise Http404("Exam question does not exist")
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n = sk
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question_details = {
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"total": len(questions),
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"current": n + 1,
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}
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# Get data for flagged
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# answered_questions = UserAnswer.objects.filter(user=request.user).values_list("question__pk", flat=True)
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user_answer_data = UserAnswer.objects.filter(
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user=request.user).values_list("question__pk", "answer", "flagged")
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# flagged_questions = UserAnswer.objects.filter(user=request.user, flagged=True).values_list("question__pk", flat=True)
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# flagged_questions I= UserAnswer.filter(user=request.user, ).values_list("question__pk", flat=True)
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answered_questions = set()
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flagged_questions = set()
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for ans_pk, answer, flagged in user_answer_data:
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if len(answer.strip()) > 0:
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answered_questions.add(ans_pk)
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if flagged:
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flagged_questions.add(ans_pk)
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# u = question.user_answers
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answer = question.user_answers.filter(
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user=request.user).first() # .filter(user=User)
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if request.method == "POST":
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if answer:
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form = AnatomyAnswerForm(request.POST, instance=answer)
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else:
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form = AnatomyAnswerForm(request.POST)
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if form.is_valid():
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answer = form.save(commit=False)
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answer.user = request.user
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answer.question = question
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# answer.published_date = timezone.now()
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answer.save()
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if "next" in request.POST:
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return redirect("anatomy:exam_take", pk=pk, sk=n + 1)
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elif "previous" in request.POST:
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return redirect("anatomy:exam_take", pk=pk, sk=n - 1)
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else:
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form = AnatomyAnswerForm(instance=answer)
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return render(
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request,
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"anatomy/exam.html",
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{
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"exam": exam,
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"form": form,
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"question": question,
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"question_details": question_details,
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"questions": questions,
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"flagged_questions": flagged_questions,
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"answered_questions": answered_questions,
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"answer": answer,
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},
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)
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def flag_question(request):
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pk = request.GET.get("pk", None)
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ans = UserAnswer.objects.filter(user=request.user, question__pk=pk).first()
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ans.flagged = not ans.flagged
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ans.save()
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data = {"flagged": ans.flagged}
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return JsonResponse(data)
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def loadJsonAnswer(answer):
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# As access is not restricted make sure the data appears valid
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if (not isinstance(answer["cid"],
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int)) or (not isinstance(answer["eid"], int) or
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(not isinstance(answer["ans"], str))):
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return JsonResponse({"success": False})
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# The model should catch invalid data but this should be less intensive
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max_int = 10000000
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if answer["cid"] > max_int or answer["eid"] > max_int:
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return JsonResponse({"success": False})
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exam = get_object_or_404(Exam, pk=answer["eid"])
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if not exam.active:
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return JsonResponse({
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"success": False,
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"error": "No active exam: {}".format(answer["eid"])
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})
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exiting_answers = CidUserAnswer.objects.filter(question__id=answer["qid"],
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exam__id=answer["eid"],
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cid=answer["cid"])
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if not exiting_answers:
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ans = CidUserAnswer(answer=answer["ans"], cid=answer["cid"])
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ans.question_id = answer["qid"]
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ans.exam_id = answer["eid"]
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ans.full_clean()
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ans.save()
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else:
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# Update an existing answer
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# should never be more than one (famous last words)
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ans = exiting_answers[0]
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ans.answer = answer["ans"]
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ans.save()
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@csrf_exempt
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def postExamAnswers(request):
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if request.is_ajax and request.method == "POST":
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# horrible but it works
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for k in request.POST.dict():
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print(k)
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for answer in json.loads(k):
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loadJsonAnswer(answer)
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# print(UserAnswer.objects.filter(exam__id=q["eid"]))
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# print(request.urlencode())
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return JsonResponse({"success": True})
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return JsonResponse({"success": False, "error": "Invalid data"})
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# return render(request, "anatomy/exam.html", {"exam" : exam, "question" : question})
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@login_required
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@user_passes_test(user_is_admin, login_url="/accounts/login")
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def mark_overview(request, pk):
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exam = get_object_or_404(Exam, pk=pk)
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questions = exam.exam_questions.all()
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return render(request, "anatomy/mark_overview.html", {
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"exam": exam,
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"questions": questions
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})
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@login_required
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@user_passes_test(user_is_admin, login_url="/accounts/login")
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def mark(request, pk, sk):
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exam = get_object_or_404(Exam, pk=pk)
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questions = exam.exam_questions.all()
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n = sk
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question_details = {
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"total": len(questions),
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"current": n + 1,
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}
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try:
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question = questions[sk]
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except IndexError:
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raise Http404("Exam question does not exist")
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answers_dict = {}
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for ans in question.answers.all():
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answers_dict[ans.get_compare_string()] = ans
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marked_answers_set = set(answers_dict.keys())
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#correct_answers = [i.answer.lower() for i in question.answers.all()]
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#half_correct_answers = [
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# i.answer.lower() for i in question.half_mark_answers.all()
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#]
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#incorrect_answers = [
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# i.answer.lower() for i in question.incorrect_answers.all()
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#]
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# It's probably better to do some processing/checking in the model
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unmarked_user_answers = (set([
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i.answer.lower()
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for i in question.cid_user_answers.all() if i.answer.strip() != ""
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]) - marked_answers_set) # .filter(user=User)
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if request.method == "POST":
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form = MarkAnatomyQuestionForm(request.POST)
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# *******************************
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# TODO: convert to JSON request
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# *******************************
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if form.is_valid():
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cd = form.cleaned_data
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# correct = cd.get("correct")
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# half_correct = cd.get("half_correct")
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# incorrect = cd.get("incorrect")
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marked_answers = json.loads(cd.get("marked_answers"))
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## This is mildly dangerous as we delete all answers
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#question.answers.all().delete()
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#question.half_mark_answers.all().delete()
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#question.incorrect_answers.all().delete()
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# This should probably use json (or something else...)
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# ajax.....
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for ans in marked_answers["correct"]:
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ans = ans.strip()
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if ans == "":
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continue
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a = Answer.objects.filter(answer__iexact=ans, question_id=question.pk).first()
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if a is None:
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a = Answer()
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a.question_id = question.pk
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a.answer = ans
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a.status = Answer.MarkOptions.CORRECT
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a.save()
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# for ans in half_correct.split("--//--"):
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for ans in marked_answers["half-correct"]:
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ans = ans.strip()
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if ans == "":
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continue
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a = Answer.objects.filter(answer__iexact=ans, question_id=question.pk).first()
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if a is None:
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a = Answer()
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a.question_id = question.pk
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a.answer = ans
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a.status = Answer.MarkOptions.HALF_MARK
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a.save()
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for ans in marked_answers["incorrect"]:
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ans = ans.strip()
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if ans == "":
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continue
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a = Answer.objects.filter(answer__iexact=ans, question_id=question.pk).first()
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if a is None:
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a = Answer()
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a.question_id = question.pk
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a.answer = ans
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a.status = Answer.MarkOptions.INCORRECT
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a.save()
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# answer = form.save(commit=False)
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# answer.user = request.user
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# answer.question = question
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# answer.published_date = timezone.now()
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# answer.save()
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if "next" in request.POST:
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return redirect("anatomy:mark", pk=pk, sk=n + 1)
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elif "previous" in request.POST:
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return redirect("anatomy:mark", pk=pk, sk=n - 1)
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# Reset user answers (relies on the functional javascript)
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unmarked_user_answers = set()
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else:
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form = MarkAnatomyQuestionForm()
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correct_answers = question.answers.filter(status = Answer.MarkOptions.CORRECT)
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half_mark_answers = question.answers.filter(status = Answer.MarkOptions.HALF_MARK)
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incorrect_answers = question.answers.filter(status = Answer.MarkOptions.INCORRECT)
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return render(
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request,
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"anatomy/mark.html",
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{
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"exam": exam,
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"form": form,
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"question": question,
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"question_details": question_details,
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"user_answers": unmarked_user_answers,
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"correct_answers": correct_answers,
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"half_mark_answers": half_mark_answers,
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"incorrect_answers": incorrect_answers,
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},
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)
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def active_exams(request):
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exams = Exam.objects.all()
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print(exams)
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active_exams = {"exams": []}
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for exam in exams:
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if exam.active:
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active_exams["exams"].append({
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"name":
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exam.get_exam_name(),
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"url":
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request.build_absolute_uri(exam.get_json_url()),
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})
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return JsonResponse(active_exams)
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def exam_json(request, pk):
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exam = get_object_or_404(Exam, pk=pk)
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if not exam.active:
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raise Http404("No available exam")
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exam_json_cache = cache.get("exam_json_{}".format(pk))
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if exam_json_cache is not None and not exam.recreate_json:
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exam_json_cache["cached"] = True
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return JsonResponse(exam_json_cache)
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questions = exam.exam_questions.all()
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exam_questions = defaultdict(dict)
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for q in questions:
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exam_questions[q.id] = {
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"title": "{}".format(q.description),
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"question": str(q.question_type),
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"images": [image_as_base64(q.image)],
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"type": "anatomy",
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}
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exam_json = {
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"eid": exam.id,
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"cached": False,
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"exam_type": "anatomy",
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"exam_name": exam.name,
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"exam_mode": True,
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"questions": exam_questions,
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}
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exam.recreate_json = False
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exam.save()
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cache.set("exam_json_{}".format(pk), exam_json, 3600)
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return JsonResponse(exam_json)
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@login_required
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def exam_json_recreate(request, pk):
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exam = get_object_or_404(Exam, pk=pk)
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exam.recreate_json = True
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exam.save()
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return redirect("anatomy:exam_overview", pk=pk)
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@login_required
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def exam_scores_cid(request, pk):
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exam = get_object_or_404(Exam, pk=pk)
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questions = exam.exam_questions.all()
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cids = (CidUserAnswer.objects.filter(question__in=questions).values_list(
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"cid", flat=True).distinct())
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user_answers_and_marks = defaultdict(list)
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user_answers_marks = defaultdict(list)
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user_answers = defaultdict(list)
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user_names = {}
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# Loop through all candidates
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for cid in cids:
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# Convoluted (probably...)
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user_names[cid] = cid
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for q in questions:
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# Get user answer
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s = q.cid_user_answers.filter(cid=cid)
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if not s:
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# skip if no answer
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user_answers_marks[cid].append(0)
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user_answers[cid].append("")
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continue
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ans = s[0].answer
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if q.answers.filter(answer__iexact=ans, status=Answer.MarkOptions.CORRECT).first() is not None:
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a = 2
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elif q.answers.filter(answer__iexact=ans, status=Answer.MarkOptions.HALF_MARK).first() is not None:
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a = 1
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else:
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a = 0
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user_answers[cid].append(ans)
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user_answers_marks[cid].append(a)
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user_answers_and_marks[cid].append((ans, a))
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user_scores = {}
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for user in user_answers_marks:
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user_scores[user] = sum(user_answers_marks[user])
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|
|
user_scores_list = list(user_scores.values())
|
|
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)
|
|
fig_html = fig.to_html()
|
|
|
|
total = len(questions)
|
|
|
|
return render(
|
|
request,
|
|
"anatomy/exam_scores.html",
|
|
{
|
|
"exam": exam,
|
|
"questions": questions,
|
|
"user_answers": dict(user_answers),
|
|
"user_answers_marks": dict(user_answers_marks),
|
|
"user_scores": user_scores,
|
|
"user_names": user_names,
|
|
"user_answers_and_marks": user_answers_and_marks,
|
|
"mean": mean,
|
|
"median": median,
|
|
"mode": mode,
|
|
"plot": fig_html,
|
|
},
|
|
)
|
|
|
|
def exam_scores_cid_user(request, pk, sk):
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
# TODO:Need some kind of test for cid
|
|
cid = sk
|
|
|
|
questions = exam.exam_questions.all()
|
|
|
|
answers_and_marks = []
|
|
answers_marks = []
|
|
answers = []
|
|
|
|
for q in questions:
|
|
# Get user answer
|
|
s = q.cid_user_answers.filter(cid=cid)
|
|
if not s:
|
|
# skip if no answer
|
|
answers_marks.append(0)
|
|
answers.append("")
|
|
continue
|
|
|
|
ans = s[0].answer
|
|
if q.answers.filter(answer__iexact=ans, status=Answer.MarkOptions.CORRECT).first() is not None:
|
|
a = 2
|
|
elif q.answers.filter(answer__iexact=ans, status=Answer.MarkOptions.HALF_MARK).first() is not None:
|
|
a = 1
|
|
else:
|
|
a = 0
|
|
answers.append(ans)
|
|
answers_marks.append(a)
|
|
answers_and_marks.append((ans, a))
|
|
|
|
score = sum(answers_marks)
|
|
|
|
total = len(questions)
|
|
|
|
return render(
|
|
request,
|
|
"anatomy/exam_scores_user.html",
|
|
{
|
|
"exam": exam,
|
|
"cid": cid,
|
|
"questions": questions,
|
|
"answers": answers,
|
|
"answers_marks": answers_marks,
|
|
"score": score,
|
|
"answers_and_marks": answers_and_marks,
|
|
},
|
|
)
|
|
|
|
|
|
@login_required
|
|
def exam_scores(request, pk):
|
|
exam = get_object_or_404(Exam, pk=pk)
|
|
|
|
questions = exam.exam_questions.all()
|
|
|
|
users = (CidUserAnswer.objects.filter(
|
|
question__in=questions).values_list("user").distinct())
|
|
|
|
user_answers_and_marks = defaultdict(list)
|
|
user_answers_marks = defaultdict(list)
|
|
user_answers = defaultdict(list)
|
|
user_names = {}
|
|
|
|
for u in users:
|
|
# Convoluted (probably...)
|
|
user_names[u] = User.objects.filter(pk=u[0]).first().get_username()
|
|
for q in questions:
|
|
s = q.user_answers.filter(user__in=u)
|
|
if not s:
|
|
user_answers_marks[u].append(0)
|
|
user_answers[u].append("")
|
|
continue
|
|
|
|
ans = s[0].answer
|
|
if ans in q.answers.all().values_list("answer", flat=True):
|
|
a = 2
|
|
elif ans in q.half_mark_answers.all().values_list("answer",
|
|
flat=True):
|
|
a = 1
|
|
else:
|
|
a = 0
|
|
user_answers[u].append(ans)
|
|
user_answers_marks[u].append(a)
|
|
user_answers_and_marks[u].append((ans, a))
|
|
|
|
user_scores = {}
|
|
for user in user_answers_marks:
|
|
user_scores[user] = sum(user_answers_marks[user])
|
|
|
|
# Users with answers
|
|
#
|
|
# for q in questions:
|
|
# answers = q.user_answers.all()
|
|
#
|
|
# for ans in answers:
|
|
# user = ans.user
|
|
# if ans.answer in q.answers.all().values_list("answer", flat=True):
|
|
# user_answers[user].append(2)
|
|
#
|
|
|
|
total = len(questions)
|
|
|
|
return render(
|
|
request,
|
|
"anatomy/exam_scores.html",
|
|
{
|
|
"exam": exam,
|
|
"questions": questions,
|
|
"user_answers": dict(user_answers),
|
|
"user_answers_marks": dict(user_answers_marks),
|
|
"user_scores": user_scores,
|
|
"user_names": user_names,
|
|
"user_answers_and_marks": user_answers_and_marks,
|
|
},
|
|
)
|