view changes and tests

LCAdmin/polls/models.py

@@ -10,8 +10,8 @@ class Question(models.Model):
         return self.question_text
 
     def was_published_recently(self):
-        return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
-
+        now = timezone.now()
+        return now - datetime.timedelta(days=1) <= self.pub_date <= now
 
 class Choice(models.Model):
     question = models.ForeignKey(Question, on_delete=models.CASCADE)

LCAdmin/polls/templates/polls/detail.html

@@ -0,0 +1,12 @@
+<form action="{% url 'polls:vote' question.id %}" method="post">
+    {% csrf_token %}
+    <fieldset>
+        <legend><h1>{{ question.question_text }}</h1></legend>
+        {% if error_message %}<p><strong>{{ error_message }}</strong></p>{% endif %}
+        {% for choice in question.choice_set.all %}
+            <input type="radio" name="choice" id="choice{{ forloop.counter }}" value="{{ choice.id }}">
+            <label for="choice{{ forloop.counter }}">{{ choice.choice_text }}</label><br>
+        {% endfor %}
+    </fieldset>
+    <input type="submit" value="Vote">
+    </form>

LCAdmin/polls/templates/polls/details.html

@@ -1,6 +0,0 @@
-<h1>{{ question.question_text }}</h1>
-<ul>
-{% for choice in question.choice_set.all %}
-    <li>{{ choice.choice_text }}</li>
-{% endfor %}
-</ul>

LCAdmin/polls/templates/polls/results.html

@@ -0,0 +1,9 @@
+<h1>{{ question.question_text }}</h1>
+
+<ul>
+{% for choice in question.choice_set.all %}
+    <li>{{ choice.choice_text }} -- {{ choice.votes }} vote{{ choice.votes|pluralize }}</li>
+{% endfor %}
+</ul>
+
+<a href="{% url 'polls:detail' question.id %}">Vote again?</a>

LCAdmin/polls/tests.py

@@ -1,3 +1,36 @@
-from django.test import TestCase
+import datetime
 
-# Create your tests here.
+from django.test import TestCase
+from django.utils import timezone
+
+from .models import Question
+
+
+class QuestionModelTests(TestCase):
+
+    def test_was_published_recently_with_future_question(self):
+        """
+        was_published_recently() returns False for questions whose pub_date
+        is in the future.
+        """
+        time = timezone.now() + datetime.timedelta(days=30)
+        future_question = Question(pub_date=time)
+        self.assertIs(future_question.was_published_recently(), False)
+
+    def test_was_published_recently_with_old_question(self):
+        """
+        was_published_recently() returns False for questions whose pub_date
+        is older than 1 day.
+        """
+        time = timezone.now() - datetime.timedelta(days=1, seconds=1)
+        old_question = Question(pub_date=time)
+        self.assertIs(old_question.was_published_recently(), False)
+
+    def test_was_published_recently_with_recent_question(self):
+        """
+        was_published_recently() returns True for questions whose pub_date
+        is within the last day.
+        """
+        time = timezone.now() - datetime.timedelta(hours=23, minutes=59, seconds=59)
+        recent_question = Question(pub_date=time)
+        self.assertIs(recent_question.was_published_recently(), True)

LCAdmin/polls/urls.py

@@ -1,10 +1,11 @@
 from django.urls import path
 
 from . import views
+
 app_name = 'polls'
 urlpatterns = [
-    path('', views.index, name='index'),
-    path('<int:question_id>/', views.detail, name='detail'),
-    path('<int:question_id>/results/', views.results, name='results'),
+    path('', views.IndexView.as_view(), name='index'),
+    path('<int:pk>/', views.DetailView.as_view(), name='detail'),
+    path('<int:pk>/results/', views.ResultsView.as_view(), name='results'),
     path('<int:question_id>/vote/', views.vote, name='vote'),
 ]

LCAdmin/polls/views.py

@@ -1,22 +1,47 @@
-from django.shortcuts import render
-from django.http import HttpResponse
+from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404, render
+from django.urls import reverse
+from django.views import generic
 
-from .models import Question
+from .models import Choice, Question
 
 
-def index(request):
-    latest_question_list = Question.objects.order_by('-pub_date')[:5]
-    context = {'latest_question_list': latest_question_list}
-    return render(request, 'polls/index.html', context)
+class IndexView(generic.ListView):
+    template_name = 'polls/index.html'
+    context_object_name = 'latest_question_list'
+
+    def get_queryset(self):
+        """Return the last five published questions."""
+        return Question.objects.order_by('-pub_date')[:5]
+
+
+class DetailView(generic.DetailView):
+    model = Question
+    template_name = 'polls/detail.html'
+
+
+class ResultsView(generic.DetailView):
+    model = Question
+    template_name = 'polls/results.html'
 
-def detail(request, question_id):
-    question = get_object_or_404(Question, pk=question_id)
-    return render(request, 'polls/detail.html', {'question': question})
 
-def results(request, question_id):
-    response = "You're looking at the results of question %s."
-    return HttpResponse(response % question_id)
 
 def vote(request, question_id):
-    return HttpResponse("You're voting on question %s." % question_id)
+    question = get_object_or_404(Question, pk=question_id)
+    try:
+        ## added type ignore to get rid of choice _set error
+        selected_choice = question.choice_set.get(pk=request.POST['choice'])  # type: ignore
+    except (KeyError, Choice.DoesNotExist):
+        # Redisplay the question voting form.
+        return render(request, 'polls/detail.html', {
+            'question': question,
+            'error_message': "You didn't select a choice.",
+        })
+    else:
+        selected_choice.votes += 1
+        selected_choice.save()
+        # Always return an HttpResponseRedirect after successfully dealing
+        # with POST data. This prevents data from being posted twice if a
+        # user hits the Back button.
+        ## type ignore bs 
+        return HttpResponseRedirect(reverse('polls:results', args=(question.id,)))  # type: ignore  # type: ignore)