X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/f689c911be1ba63d0f404ddaed570df3c3ffbee9..4d579bfcf20ca69d142c3bcc9eb96feb72888d63:/stage2/views.py?ds=inline diff --git a/stage2/views.py b/stage2/views.py index 2b2e875..6b04a57 100644 --- a/stage2/views.py +++ b/stage2/views.py @@ -1,31 +1,34 @@ # -*- coding: utf-8 -*- +from django.contrib.auth.decorators import login_required from django.core.urlresolvers import reverse from django.http import Http404 -from django.http.response import HttpResponseRedirect, HttpResponse +from django.http.response import HttpResponseRedirect, HttpResponse, HttpResponseForbidden from django.shortcuts import get_object_or_404, render from django.utils import timezone from django.views.decorators.http import require_POST -from stage2.forms import AttachmentForm -from stage2.models import Participant, Assignment, Answer, Attachment +from stage2.forms import AttachmentForm, MarkForm +from stage2.models import Participant, Assignment, Answer, Attachment, Mark -def participant_view(request, participant_id, key): - participant = get_object_or_404(Participant, id=participant_id) - if not participant.check(key): - raise Http404 - now = timezone.now() +def all_assignments(participant): assignments = Assignment.objects.all() for assignment in assignments: - assignment.active = assignment.deadline >= now assignment.answer = assignment.answer_set.filter(participant=participant).first() assignment.forms = [ - (AttachmentForm(assignment=assignment, file_no=i, label=label), + (AttachmentForm(assignment=assignment, file_no=i, label=label, extensions=ext), assignment.answer.attachment_set.filter(file_no=i).first() if assignment.answer else None) - for i, label in enumerate(assignment.file_descriptions, 1)] + for i, (label, ext) in enumerate(assignment.file_descriptions, 1)] + return assignments + + +def participant_view(request, participant_id, key): + participant = get_object_or_404(Participant, id=participant_id) + if not participant.check(key): + raise Http404 return render(request, 'stage2/participant.html', { 'participant': participant, - 'assignments': assignments}) + 'assignments': all_assignments(participant)}) @require_POST @@ -37,17 +40,26 @@ def upload(request, assignment_id, participant_id, key): now = timezone.now() if assignment.deadline < now: raise Http404 # TODO za późno - for i, label in enumerate(assignment.file_descriptions, 1): + for i, (label, ext) in enumerate(assignment.file_descriptions, 1): answer, created = Answer.objects.get_or_create(participant=participant, assignment=assignment) attachment, created = Attachment.objects.get_or_create(answer=answer, file_no=i) form = AttachmentForm( data=request.POST, files=request.FILES, - assignment=assignment, file_no=i, label=label, instance=attachment) + assignment=assignment, file_no=i, label=label, instance=attachment, extensions=ext) if form.is_valid(): form.save() return HttpResponseRedirect(reverse('stage2_participant', args=(participant_id, key))) +def attachment_download(attachment): + response = HttpResponse(content_type='application/force-download') + response.write(attachment.file.read()) + base, ext = attachment.filename().rsplit('.', 1) + response['Content-Disposition'] = 'attachment; filename="%s.%s"' % (base[:10].replace('\n', ''), ext) + response['Content-Length'] = response.tell() + return response + + def get_file(request, assignment_id, file_no, participant_id, key): """We want to serve submitted files back to participants, but also validate their keys, so static files are not good""" @@ -57,8 +69,84 @@ def get_file(request, assignment_id, file_no, participant_id, key): assignment = get_object_or_404(Assignment, id=assignment_id) answer = get_object_or_404(Answer, participant=participant, assignment=assignment) attachment = get_object_or_404(Attachment, answer=answer, file_no=file_no) - response = HttpResponse(content_type='application/force-download') - response.write(attachment.file.read()) - response['Content-Disposition'] = 'attachment; filename="%s"' % attachment.filename() - response['Content-Length'] = response.tell() - return response + return attachment_download(attachment) + + +@login_required +def assignment_list(request): + assignments = request.user.stage2_assignments.all() + if not assignments: + return HttpResponseForbidden('Not allowed') + for assignment in assignments: + assignment.marked_count = Mark.objects.filter(expert=request.user, answer__assignment=assignment).count() + assignment.to_mark_count = assignment.available_answers(request.user).count() + non_empty_assignments = [ass for ass in assignments if ass.marked_count > 0 or ass.to_mark_count > 0] + if len(non_empty_assignments) == 1 and non_empty_assignments[0].to_mark_count > 0: + return HttpResponseRedirect(reverse('stage2_answer_list', args=[non_empty_assignments[0].id])) + return render(request, 'stage2/assignment_list.html', {'assignments': assignments}) + + +def available_answers(assignment, expert, answer_with_errors=None, form_with_errors=None, marked=False): + if marked: + answers = Answer.objects.filter(mark__expert=expert, assignment=assignment) + else: + answers = assignment.available_answers(expert) + answers = answers.order_by('participant__last_name').prefetch_related('attachment_set') + for answer in answers: + attachments = answer.attachment_set.all() + attachments_by_file_no = {attachment.file_no: attachment for attachment in attachments} + answer.attachments = [ + (desc, attachments_by_file_no.get(i)) + for (i, (desc, ext)) in enumerate(assignment.file_descriptions, 1)] + if answer == answer_with_errors: + answer.form = form_with_errors + else: + answer.form = MarkForm( + answer=answer, instance=answer.mark_set.filter(expert=expert).first(), prefix='ans%s' % answer.id) + return answers + + +@login_required +def answer_list(request, assignment_id): + assignment = get_object_or_404(Assignment, id=assignment_id) + if request.user not in assignment.experts.all(): + return HttpResponseForbidden('Not allowed') + return render(request, 'stage2/answer_list.html', + {'answers': available_answers(assignment, request.user), 'assignment': assignment}) + + +@login_required +def marked_answer_list(request, assignment_id): + assignment = get_object_or_404(Assignment, id=assignment_id) + if request.user not in assignment.experts.all(): + return HttpResponseForbidden('Not allowed') + return render(request, 'stage2/answer_list.html', { + 'answers': available_answers(assignment, request.user, marked=True), + 'assignment': assignment, + 'marked': True, + }) + + +@login_required +def expert_download(request, attachment_id): + attachment = get_object_or_404(Attachment, id=attachment_id) + return attachment_download(attachment) + + +@require_POST +@login_required +def mark_answer(request, answer_id): + answer = get_object_or_404(Answer, id=answer_id) + if request.user not in answer.assignment.experts.all(): + return HttpResponseForbidden('Not allowed') + if answer.assignment.is_active(): + return HttpResponseForbidden('Not allowed') + mark, created = Mark.objects.get_or_create(answer=answer, expert=request.user, defaults={'points': 0}) + form = MarkForm(data=request.POST, answer=answer, instance=mark, prefix='ans%s' % answer.id) + if form.is_valid(): + form.save() + elif created: + mark.delete() + + return HttpResponseRedirect(reverse( + 'stage2_answer_list' if created else 'stage2_marked_answers', args=[answer.assignment_id]))