X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/b99b619fb5c4504bc8a21e5c9f92a72d84638836..cf9edf8cc5b582bf9c16c54fe04258200d26694d:/wtem/views.py?ds=inline diff --git a/wtem/views.py b/wtem/views.py index 278ddc3..1dea093 100644 --- a/wtem/views.py +++ b/wtem/views.py @@ -1,47 +1,165 @@ -import os +# -*- coding: utf-8 -*- +import json +from copy import deepcopy +from functools import wraps -from django.shortcuts import render -from django.utils import simplejson from django.conf import settings -from django.http import Http404, HttpResponseForbidden +from django.contrib import messages +from django.core.urlresolvers import reverse +from django.http import HttpResponseForbidden +from django.http.response import HttpResponseRedirect, Http404 +from django.shortcuts import render, get_object_or_404 +from django.utils import timezone +from django.utils.cache import patch_cache_control, add_never_cache_headers +from django.views.decorators.cache import never_cache from django.views.decorators.csrf import csrf_exempt -from .models import Submission, DEBUG_KEY, exercises -from .forms import WTEMForm +from wtem.models import Confirmation +from .forms import WTEMForm, WTEMSingleForm +from .models import Submission, DEBUG_KEY, exercises, CompetitionState -WTEM_CONTEST_STAGE = getattr(settings, 'WTEM_CONTEST_STAGE', 'before') + +def cache_until_start(view_func): + @wraps(view_func) + def _wrapped_view_func(request, *args, **kwargs): + response = view_func(request, *args, **kwargs) + max_age = max(int((CompetitionState.start - timezone.now()).total_seconds()) + 1, 0) + if max_age: + patch_cache_control(response, max_age=max_age) + else: + add_never_cache_headers(response) + return response + + return _wrapped_view_func + + +def get_submission(submission_id): + try: + submission_id = int(submission_id) + except ValueError: + raise Http404 + return get_object_or_404(Submission, id=submission_id) @csrf_exempt -def form(request, key): - return globals()['form_' + WTEM_CONTEST_STAGE](request, key) - -def form_before(request, key): - return render(request, 'wtem/main_before.html') +def form(request, submission_id, key): + state = CompetitionState.get_state() + if state == CompetitionState.DURING: + state = 'single' + return globals()['form_' + state](request, submission_id, key) + + +@cache_until_start +def form_before(request, submission_id, key): + submission = get_submission(submission_id) + if submission.key != key: + return render(request, 'wtem/key_not_found_before.html') + else: + submission.opened_link = True + submission.save() + return render(request, 'wtem/main_before.html') + -def form_after(request, key): +def form_after(request, submission_id, key): return render(request, 'wtem/main_after.html') + +@never_cache @csrf_exempt def form_during(request, key): - if WTEM_CONTEST_STAGE != 'during': - if request.META['REMOTE_ADDR'] != getattr(settings, 'WTEM_CONTEST_IP_ALLOW', 'xxx'): + if CompetitionState.get_state() != CompetitionState.DURING: + if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []): return HttpResponseForbidden('Not allowed') try: - submission = Submission.objects.get(key = key) + submission = Submission.objects.get(key=key) except Submission.DoesNotExist: if settings.DEBUG and key == DEBUG_KEY: - submission = Submission.create(first_name = 'Debug', last_name = 'Debug', email = 'debug@debug.com', key = DEBUG_KEY) + submission = Submission.create( + first_name='Debug', last_name='Debug', email='debug@debug.com', key=DEBUG_KEY) else: - raise Http404 + return render(request, 'wtem/key_not_found.html') + exercises_with_answers = deepcopy(exercises) + if submission.answers: + answers = json.loads(submission.answers) + else: + answers = {} + for exercise in exercises_with_answers: + exercise['saved_answer'] = answers.get(str(exercise['id']), '') + if exercise['type'] == 'open' and exercise.get('fields'): + field_answers = {field['id']: field['text'] for field in exercise['saved_answer']} + for field in exercise['fields']: + field['saved_answer'] = field_answers.get(field['id'], '') if request.method == 'GET': - return render(request, 'wtem/main.html', dict(exercises = exercises, end_time = submission.end_time)) + return render(request, 'wtem/main.html', {'exercises': exercises_with_answers, 'end_time': submission.end_time}) elif request.method == 'POST': - form = WTEMForm(request.POST, request.FILES, instance = submission) + form = WTEMForm(request.POST, request.FILES, instance=submission) if form.is_valid(): form.save() - return render(request, 'wtem/thanks.html', dict(end_time = submission.end_time)) + return render(request, 'wtem/thanks.html', dict(end_time=submission.end_time)) else: raise Exception + + +@never_cache +@csrf_exempt +def form_single(request, submission_id, key): + if CompetitionState.get_state() != CompetitionState.DURING: + if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []): + return HttpResponseForbidden('Not allowed') + + submission = get_submission(submission_id) + if submission.key != key: + return render(request, 'wtem/key_not_found.html') + + i, exercise = submission.current_exercise() + + exercise_count = len(exercises) + + if not exercise: + return render(request, 'wtem/thanks_single.html') + + if request.method == 'GET': + return render(request, 'wtem/single.html', {'exercise': exercise, 'no': i, 'exercise_count': exercise_count}) + elif request.method == 'POST': + form = WTEMSingleForm(request.POST, request.FILES, instance=submission) + if form.is_valid(): + try: + form.save() + except ValueError as e: + if e.message == 'wrong exercise id': + messages.error(request, u'Próba wysłania odpowiedzi ponownie lub poza kolejnością') + return HttpResponseRedirect(reverse('wtem_form', kwargs={'submission_id': submission_id, 'key': key})) + else: + raise Exception + + +@cache_until_start +@csrf_exempt +def start(request, submission_id, key): + state = CompetitionState.get_state() + if state in (CompetitionState.BEFORE, CompetitionState.AFTER): + return globals()['form_' + state](request, submission_id, key) + + submission = get_submission(submission_id) + if submission.key != key: + return render(request, 'wtem/key_not_found.html') + + submission.opened_link = True + submission.save() + + i, exercise = submission.current_exercise() + if not exercise: + return render(request, 'wtem/thanks_single.html') + + return render(request, 'wtem/start.html', {'exercise_count': len(exercises), 'submission': submission}) + + +def confirmation(request, id, key): + conf = get_object_or_404(Confirmation, id=id, key=key) + was_confirmed = conf.confirmed + if not was_confirmed: + conf.confirmed = True + conf.save() + return render(request, 'wtem/confirmed.html', {'confirmation': conf, 'was_confirmed': was_confirmed})