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[edumed.git] / wtem / views.py

diff --git a/wtem/views.py b/wtem/views.py
index bfce3c9..1dea093 100644 (file)
--- a/wtem/views.py
+++ b/wtem/views.py
@@ -1,53 +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.conf import settings

-from django.http import Http404
+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
-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, submission_id, key):
+    state = CompetitionState.get_state()
+    if state == CompetitionState.DURING:
+        state = 'single'
+    return globals()['form_' + state](request, submission_id, key)

 
 
 
 

-def main(request):
-    pass
+@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(request, key):
-    return globals()['form_' + WTEM_CONTEST_STAGE](request, key)
-    
-def form_before(request, key):
-    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')
 
     return render(request, 'wtem/main_after.html')
 

+
+@never_cache
+@csrf_exempt

 def form_during(request, key):
 
 def form_during(request, key):
 

-    if WTEM_CONTEST_STAGE != 'during':
-        if request.META['REMOTE_ADDR'] != getattr(settings, 'WTEM_CONTEST_IP_ALLOW', 'xxx'):
-            raise Http404
+    if CompetitionState.get_state() != CompetitionState.DURING:
+        if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []):
+            return HttpResponseForbidden('Not allowed')

 
     try:
 
     try:

-        submission = Submission.objects.get(key = key)
+        submission = Submission.objects.get(key=key)

     except Submission.DoesNotExist:
         if settings.DEBUG and key == DEBUG_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:
         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', {'exercises': exercises_with_answers, 'end_time': submission.end_time})
+    elif request.method == 'POST':
+        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))
+        else:
+            raise Exception

 
 

-    ## @@ move this out of the view
-    f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
-    exercises = simplejson.loads(f.read())
-    f.close()
+
+@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':
 
     if request.method == 'GET':

-        return render(request, 'wtem/main.html', dict(exercises = exercises))
+        return render(request, 'wtem/single.html', {'exercise': exercise, 'no': i, 'exercise_count': exercise_count})

     elif request.method == 'POST':
     elif request.method == 'POST':

-        form = WTEMForm(request.POST, request.FILES, instance = submission)
+        form = WTEMSingleForm(request.POST, request.FILES, instance=submission)

         if form.is_valid():
         if form.is_valid():

-            form.save()
-            return render(request, 'wtem/thanks.html')
+            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
         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})