disable submit button temporarily after submit

[edumed.git] / stage2 / views.py

diff --git a/stage2/views.py b/stage2/views.py
index 2b2e875..3f24d38 100644 (file)
--- a/stage2/views.py
+++ b/stage2/views.py
@@ -1,51 +1,111 @@
 # -*- coding: utf-8 -*-
 # -*- coding: utf-8 -*-

+from django.contrib.auth.decorators import login_required

 from django.core.urlresolvers import reverse
 from django.http import Http404
 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.shortcuts import get_object_or_404, render
 from django.utils import timezone

-from django.views.decorators.http import require_POST
+from django.utils.cache import patch_cache_control
+from django.views.decorators.cache import never_cache
+from unidecode import unidecode

 
 

-from stage2.forms import AttachmentForm
-from stage2.models import Participant, Assignment, Answer, Attachment
+from stage2.forms import AttachmentForm, MarkForm, AssignmentFieldForm
+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, sent_forms):

     assignments = Assignment.objects.all()
     assignments = Assignment.objects.all()

+    if sent_forms:
+        sent_assignment, field_forms, attachment_forms = sent_forms
+    else:
+        sent_assignment = field_forms = attachment_forms = None

     for assignment in assignments:
     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),
-             assignment.answer.attachment_set.filter(file_no=i).first() if assignment.answer else None)
-            for i, label in enumerate(assignment.file_descriptions, 1)]
-    return render(request, 'stage2/participant.html', {
-        'participant': participant,
-        'assignments': assignments})
+        assignment.answer, created = Answer.objects.get_or_create(participant=participant, assignment=assignment)
+        if assignment == sent_assignment:
+            assignment.field_forms = field_forms
+            assignment.attachment_forms = attachment_forms
+        else:
+            assignment.field_forms = [
+                AssignmentFieldForm(label=label, field_no=i, options=options, answer=assignment.answer)
+                for i, (label, options) in enumerate(assignment.field_descriptions, 1)]
+            assignment.attachment_forms = [
+                (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, ext) in enumerate(assignment.file_descriptions, 1)]
+    return assignments

 
 
 
 

-@require_POST
-def upload(request, assignment_id, participant_id, key):
+@never_cache
+def participant_view(request, participant_id, key):

     participant = get_object_or_404(Participant, id=participant_id)
     if not participant.check(key):
         raise Http404
     participant = get_object_or_404(Participant, id=participant_id)
     if not participant.check(key):
         raise Http404

-    assignment = get_object_or_404(Assignment, id=assignment_id)
-    now = timezone.now()
-    if assignment.deadline < now:
-        raise Http404  # TODO za późno
-    for i, label in enumerate(assignment.file_descriptions, 1):
+    if request.POST:
+        # ugly :/
+        assignment_id = None
+        for post_key, value in request.POST.iteritems():
+            if post_key.endswith('assignment_id'):
+                assignment_id = int(value)
+        assert assignment_id
+
+        assignment = get_object_or_404(Assignment, id=assignment_id)
+        now = timezone.now()
+        if assignment.deadline < now:
+            return HttpResponseForbidden('Not Allowed')
+        attachments_valid, attachment_forms = get_attachment_forms(assignment, participant, request)
+        fields_valid, field_forms = get_field_forms(assignment, participant, request)
+        if attachments_valid and fields_valid:
+            return HttpResponseRedirect(reverse('stage2_participant', args=(participant_id, key)))
+        else:
+            sent_forms = (assignment, field_forms, attachment_forms)
+    else:
+        sent_forms = None
+    response = render(request, 'stage2/participant.html', {
+        'participant': participant,
+        'assignments': all_assignments(participant, sent_forms)})
+    # not needed in Django 1.8
+    patch_cache_control(response, no_cache=True, no_store=True, must_revalidate=True)
+    return response
+
+
+def get_attachment_forms(assignment, participant, request):
+    all_valid = True
+    attachment_forms = []
+    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,
         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()
         if form.is_valid():
             form.save()

-    return HttpResponseRedirect(reverse('stage2_participant', args=(participant_id, key)))
+        else:
+            all_valid = False
+        attachment_forms.append(form)
+    return all_valid, attachment_forms
+
+
+def get_field_forms(assignment, participant, request):
+    all_valid = True
+    field_forms = []
+    for i, (label, options) in enumerate(assignment.field_descriptions, 1):
+        answer = Answer.objects.get(participant=participant, assignment=assignment)
+        form = AssignmentFieldForm(data=request.POST, label=label, field_no=i, options=options, answer=answer)
+        if form.is_valid():
+            form.save()
+        else:
+            all_valid = False
+        field_forms.append(form)
+    return all_valid, field_forms
+
+
+def attachment_download(attachment):
+    response = HttpResponse(content_type='application/force-download')
+    response.write(attachment.file.read())
+    # workaround to this: https://code.djangoproject.com/ticket/20889
+    response['Content-Disposition'] = 'attachment; filename="%s"' % unidecode(attachment.filename().replace('\n', ' '))
+    response['Content-Length'] = response.tell()
+    return response

 
 
 def get_file(request, assignment_id, file_no, participant_id, key):
 
 
 def get_file(request, assignment_id, file_no, participant_id, key):


@@ -57,8 +117,188 @@ 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)
     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 attachment_download(attachment)
+
+
+@login_required
+def assignment_list(request):
+    expert = request.user
+    assignments = expert.stage2_assignments.all()
+    if not assignments:
+        return HttpResponseForbidden('Not allowed')
+    for assignment in assignments:
+        assignment.marked_count = assignment.available_answers(expert, marked=True).count()
+        assignment.to_mark_count = assignment.available_answers(expert).count()
+        assignment.supervisor = expert in assignment.supervisors.all()
+        assignment.arbiter_count = assignment.needing_arbiter().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, sent_forms=None, marked=False):
+    if marked:
+        answers = assignment.available_answers(expert, marked=True)
+    else:
+        answers = assignment.available_answers(expert).order_by('participant__last_name')
+    answers = answers.prefetch_related('attachment_set')
+    if sent_forms:
+        sent_answer_id, mark_forms = sent_forms
+    else:
+        sent_answer_id = mark_forms = None
+    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.id == sent_answer_id:
+            answer.forms = mark_forms
+        else:
+            answer.forms = []
+            for criterion in assignment.markcriterion_set.all():
+                answer.forms.append(MarkForm(
+                    answer=answer,
+                    criterion=criterion,
+                    instance=answer.mark_set.filter(expert=expert, criterion=criterion).first(),
+                    prefix='mark%s-%s' % (answer.id, criterion.id)))
+    return answers
+
+
+@login_required
+def answer_list(request, assignment_id, marked=False):
+    assignment = get_object_or_404(Assignment, id=assignment_id)
+    expert = request.user
+    if expert not in assignment.experts.all():
+        return HttpResponseForbidden('Not allowed')
+    if request.POST:
+        # ugly :/
+        answer_id = None
+        for post_key, value in request.POST.iteritems():
+            if post_key.endswith('answer_id'):
+                answer_id = int(value)
+        answer = get_object_or_404(Answer, id=answer_id)
+
+        if answer not in assignment.available_answers(expert, marked=marked):
+            return HttpResponseForbidden('Not allowed')
+        if answer.assignment.is_active():
+            return HttpResponseForbidden('Not allowed')
+        all_valid, forms = get_mark_forms(answer, request)
+        if all_valid:
+            if marked:
+                return HttpResponseRedirect(reverse('stage2_marked_answers', args=[answer.assignment_id]))
+            else:
+                return HttpResponseRedirect(reverse('stage2_answer_list', args=[answer.assignment_id]))
+        else:
+            sent_forms = answer_id, forms
+    else:
+        sent_forms = None
+    answers = available_answers(assignment, expert, sent_forms=sent_forms, marked=marked)
+    return render(request, 'stage2/answer_list.html', {
+        'answers': answers,
+        'assignment': assignment,
+        'field_counts': assignment.field_counts(answers) if not marked else None,
+        'supervisor': expert in assignment.supervisors.all(),
+        'marked': marked
+    })
+
+
+def get_mark_forms(answer, request):
+    all_valid = True
+    created_marks = []
+    forms = []
+    for criterion in answer.assignment.markcriterion_set.all():
+        mark, created = Mark.objects.get_or_create(
+            answer=answer, criterion=criterion, expert=request.user, defaults={'points': 0})
+        if created:
+            created_marks.append(mark)
+        form = MarkForm(
+            data=request.POST, answer=answer, criterion=criterion, instance=mark,
+            prefix='mark%s-%s' % (answer.id, criterion.id))
+        if form.is_valid():
+            form.save()
+        else:
+            all_valid = False
+        forms.append(form)
+    if not all_valid:
+        for mark in created_marks:
+            mark.delete()
+    return all_valid, forms
+
+
+@login_required
+def expert_download(request, attachment_id):
+    attachment = get_object_or_404(Attachment, id=attachment_id)
+    return attachment_download(attachment)
+
+
+def write_row(row, writer):
+    writer.writerow([unicode(item).encode('utf-8') for item in row])
+
+
+@login_required
+def csv_results(request):
+    import csv
+    response = HttpResponse(content_type='text/csv')
+    writer = csv.writer(response)
+    assignments = Assignment.objects.all()
+    participants = Participant.objects.filter(complete_set=True)
+    headers = [u'imię', u'nazwisko', u'szkoła', u'adres szkoły']
+    assignments_experts = []
+    for assignment in assignments:
+        for expert in assignment.experts.filter(mark__answer__assignment=assignment).distinct():
+            assignments_experts.append((assignment, expert))
+            headers.append(u'%s %s' % (assignment.title, expert.last_name))
+    for assignment in assignments:
+        headers.append(u'%s - średnia' % assignment.title.encode('utf-8'))
+    headers.append(u'ostateczny wynik')
+    write_row(headers, writer)
+    for participant in participants:
+        row = [
+            participant.first_name,
+            participant.last_name,
+            participant.contact.body['school'],
+            participant.contact.body['school_address'],
+        ]
+        for assignment, expert in assignments_experts:
+            marks = expert.mark_set.filter(answer__assignment=assignment, answer__participant=participant)
+            if marks:
+                row.append(sum(mark.points for mark in marks))
+            else:
+                row.append('')
+        for assignment in assignments:
+            row.append('%.2f' % participant.answer_set.get(assignment=assignment).score())
+        row.append('%.2f' % participant.score())
+        write_row(row, writer)
+    response['Content-Disposition'] = 'attachment; filename="wyniki.csv"'
+    return response
+
+
+@login_required
+def csv_details(request, assignment_id):
+    import csv
+    response = HttpResponse(content_type='text/csv')
+    writer = csv.writer(response)
+    assignment = get_object_or_404(Assignment, id=assignment_id)
+    criteria = tuple(assignment.markcriterion_set.all())
+    expert_headers = (u"ekspert",) + criteria
+    headers = (u"imię", u"nazwisko", u"numer", u"wynik") + expert_headers * 2
+    write_row(headers, writer)
+
+    for a in assignment.answer_set.filter(participant__complete_set=True).order_by('participant__last_name'):
+        row = (
+            a.participant.first_name,
+            a.participant.last_name,
+            str(a.participant.id),
+            '%.2f' % a.score(),
+        )
+        experts = a.mark_set.values_list('expert__username', flat=True).order_by().distinct()
+        for expert in experts:
+            row += (expert,)
+            marks = a.mark_set.filter(expert__username=expert).order_by('criterion__order')
+            row += tuple(marks.values_list('points', flat=True))
+        write_row(row, writer)
+    response['Content-Disposition'] = 'attachment; filename="%s.csv"' % assignment.title

     return response
     return response