Dmitry Belan
117 lines
4.6 KiB
Python
117 lines
4.6 KiB
Python
from django.shortcuts import render, get_object_or_404, redirect
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from django.contrib.auth.decorators import login_required, user_passes_test
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from django.utils.html import strip_tags
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from .models import Assignment, Submission, Answer
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from .forms import AnswersForm, StudentRegistrationForm
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from django.contrib.auth import login
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def register(request):
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if request.user.is_authenticated:
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return redirect('lms:dashboard')
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if request.method == 'POST':
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form = StudentRegistrationForm(request.POST)
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if form.is_valid():
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user = form.save(commit=False)
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user.role = 'STUDENT'
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user.save()
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login(request, user)
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return redirect('lms:dashboard')
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else:
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form = StudentRegistrationForm()
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return render(request, 'lms/register.html', {'form': form})
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def is_student(user):
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return user.is_authenticated and user.role == 'STUDENT'
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def home(request):
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if request.user.is_authenticated:
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if getattr(request.user, 'role', None) == 'STUDENT':
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return redirect('lms:dashboard')
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else:
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return redirect('/admin/')
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return render(request, 'lms/home.html')
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@login_required
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@user_passes_test(is_student, login_url='/login/')
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def dashboard(request):
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# Fetch assignments (could be all, or specific to student's classes)
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# For now, let's fetch all assignments.
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assignments = Assignment.objects.all().order_by('-created_at')
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# Check which ones the student has submitted
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submissions = Submission.objects.filter(student=request.user)
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submitted_assignment_ids = submissions.values_list('assignment_id', flat=True)
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return render(request, 'lms/dashboard.html', {
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'assignments': assignments,
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'submitted_assignment_ids': submitted_assignment_ids,
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'submissions': {sub.assignment_id: sub for sub in submissions}
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})
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@login_required
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@user_passes_test(is_student, login_url='/login/')
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def assignment_detail(request, pk):
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assignment = get_object_or_404(Assignment, pk=pk)
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questions = assignment.questions.all()
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# Try to get existing submission
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submission = Submission.objects.filter(assignment=assignment, student=request.user).first()
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if submission:
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if request.method == 'POST':
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# Do not allow updating
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return redirect('lms:dashboard')
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form = None
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else:
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if request.method == 'POST':
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form = AnswersForm(request.POST, request.FILES, questions=questions)
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if form.is_valid():
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submission = Submission.objects.create(assignment=assignment, student=request.user)
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all_auto = True
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total_points = 0
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max_points = 0
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for q in questions:
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answer_obj = Answer(submission=submission, question=q)
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if q.question_type == 'TEXT_AUTO':
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val = form.cleaned_data.get(f'answer_{q.id}', '')
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answer_obj.text_answer = val
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if q.correct_answer:
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correct = strip_tags(q.correct_answer).strip().lower()
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answer_obj.is_correct = (val.strip().lower() == correct)
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answer_obj.points = 1 if answer_obj.is_correct else 0
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total_points += answer_obj.points
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else:
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all_auto = False
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max_points += 1
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else:
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all_auto = False
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val = form.cleaned_data.get(f'file_{q.id}')
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if val:
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answer_obj.file_answer = val
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answer_obj.save()
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if all_auto and max_points > 0:
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submission.status = 'GRADED'
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submission.grade = f"{total_points}/{max_points}"
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else:
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submission.status = 'PENDING'
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submission.save()
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return redirect('lms:dashboard')
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else:
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form = AnswersForm(questions=questions)
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question_fields = []
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if form:
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for q in questions:
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field = form[f'answer_{q.id}'] if q.question_type == 'TEXT_AUTO' else form[f'file_{q.id}']
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question_fields.append((q, field))
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return render(request, 'lms/assignment_detail.html', {
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'assignment': assignment,
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'form': form,
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'submission': submission,
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'questions': questions,
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'question_fields': question_fields,
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})
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