Merge pull request #129 from prathamesh920/view_answerpaper

View answerpaper

12 files changed, 251 insertions, 8 deletions

diff --git a/yaksh/models.py b/yaksh/models.py
index acb46f2..81926e6 100644
--- a/yaksh/models.py
+++ b/yaksh/models.py
@@ -428,6 +428,9 @@ class Quiz(models.Model):
 
     is_trial = models.BooleanField(default=False)
 
+    view_answerpaper = models.BooleanField('Allow student to view their answer\
+                                            paper', default=False)
+
     objects = QuizManager()
 
     class Meta:
diff --git a/yaksh/templates/base.html b/yaksh/templates/base.html
index 17df0d9..7fe2d27 100644
--- a/yaksh/templates/base.html
+++ b/yaksh/templates/base.html
@@ -16,6 +16,7 @@
 
   <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/bootstrap.min.css">
   <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/base.css">
+  <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/font-awesome.css" type="text/css" />
 
   <style>
     body {
diff --git a/yaksh/templates/manage.html b/yaksh/templates/manage.html
index 334f6a2..2fd0f7a 100644
--- a/yaksh/templates/manage.html
+++ b/yaksh/templates/manage.html
@@ -13,6 +13,7 @@
 
    <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/base.css" type="text/css" />
    <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/manage.css" type="text/css" />
+   <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/font-awesome.css" type="text/css" />
    {% block css %}
    {% endblock %}
 <script language="JavaScript" type="text/javascript" src="{{ URL_ROOT }}/static/yaksh/js/jquery-1.4.2.min.js"></script>
diff --git a/yaksh/templates/user.html b/yaksh/templates/user.html
index 009dd2f..4805c2d 100644
--- a/yaksh/templates/user.html
+++ b/yaksh/templates/user.html
@@ -15,6 +15,7 @@
    {% endblock %}
 
    <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/base.css" type="text/css" />
+   <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/font-awesome.css" type="text/css" />
    {% block css %}
    {% endblock %}
 
diff --git a/yaksh/templates/yaksh/login.html b/yaksh/templates/yaksh/login.html
index 0a78c1b..5694f75 100644
--- a/yaksh/templates/yaksh/login.html
+++ b/yaksh/templates/yaksh/login.html
@@ -6,7 +6,6 @@
 {% block css %}
 <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/bootstrap-social.css" type="text/css" />
 <link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/login.css" type="text/css" /> 
-<link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/font-awesome.css" type="text/css" />
 {% endblock %}
 {% block content %}
 
diff --git a/yaksh/templates/yaksh/quizzes_user.html b/yaksh/templates/yaksh/quizzes_user.html
index 6403a21..98c156b 100644
--- a/yaksh/templates/yaksh/quizzes_user.html
+++ b/yaksh/templates/yaksh/quizzes_user.html
@@ -48,6 +48,7 @@
                 {% endif %}
                 <table>
                     <th>Quiz</th>
+                    <th>View Answer Paper</th>
                     <th>Pre requisite quiz</th>
                     {% for quiz in quizzes %}
                         {% if quiz.course_id == course.id %}
@@ -63,6 +64,13 @@
                                 </td>
                             {% endif %}
                             <td>
+                                {% if quiz.view_answerpaper %}
+                                    <a href="{{ URL_ROOT }}/exam/view_answerpaper/{{ quiz.questionpaper_set.get.id }}/"><i class="fa fa-eye" aria-hidden="true"></i> Can View </a>
+                                {% else%}
+                                    <a><i class="fa fa-eye-slash" aria-hidden="true"></i> Cannot view now </a>
+                                {% endif %}
+                            </td>
+                            <td>
                                 {% if quiz.prerequisite %}
                                     You have to pass {{ quiz.prerequisite.description }} for taking {{ paper.quiz.description }}
                                 {% else %}
diff --git a/yaksh/templates/yaksh/user_data.html b/yaksh/templates/yaksh/user_data.html
index 2e7db50..1060e2d 100644
--- a/yaksh/templates/yaksh/user_data.html
+++ b/yaksh/templates/yaksh/user_data.html
@@ -50,11 +50,12 @@ User IP address: {{ paper.user_ip }}
 <h3> Answers </h3>
 {% for question, answers in paper.get_question_answers.items %}
 <p><strong> Question: {{ question.id }}. {{ question.summary }} (Points: {{ question.points }})</strong> </p>
-{% if question.type == "mcq" %}
-<p> Choices: 
-{% for option in question.options.strip.splitlines %} {{option}}, {% endfor %}
+{% if question.type == "mcq" or question.type == "mcc" %}
+<p> Choices:
+{% for testcase in question.get_test_cases %} <br>{{ testcase.options }} {% endfor %}
 </p>
 <p>Student answer: {{ answers.0 }}</p>
+Autocheck: {{ answers.0.error }}
 {% else %}{# non-mcq questions #}
 {% for answer in answers %}
 {% if not answer.skipped %}
diff --git a/yaksh/templates/yaksh/view_answerpaper.html b/yaksh/templates/yaksh/view_answerpaper.html
new file mode 100644
index 0000000..ae70e69
--- /dev/null
+++ b/yaksh/templates/yaksh/view_answerpaper.html
@@ -0,0 +1,61 @@
+{% extends "user.html" %}
+
+{% block title %} Answer Paper  for {{ quiz.description }}{% endblock title %}
+
+{% block manage %}
+
+{% block subtitle %} Answer Paper for {{ quiz.description }}{% endblock %}
+
+
+{% if not data.papers %}
+    <p><b> You have not attempted the quiz {{ quiz.description }} </b></p>
+{% else %}
+    {% for paper in data.papers %}
+    {% if forloop.counter == 2 and data.questionpaperid %}
+    <U><h2> Previous attempts </h2></U>
+    {% endif %}
+    <h2> Quiz: {{ paper.question_paper.quiz.description }} </h2>
+
+    <p>
+    Attempt Number: {{ paper.attempt_number }}<br/>
+    Questions correctly answered: {{ paper.get_answered_str }} <br/>
+    Marks obtained: {{ paper.marks_obtained }} <br/>
+    Start time: {{ paper.start_time }} <br/>
+    </p>
+
+    {% if paper.answers.count %}
+    <h3> Answers </h3>
+    {% for question, answers in paper.get_question_answers.items %}
+    <p><strong> Question: {{ question.id }}. {{ question.summary }} (Mark(s): {{ question.points }})</strong> </p>
+    {% if question.type == "mcq" or question.type == "mcc" %}
+    <p> Choices:
+    {% for testcase in question.get_test_cases %} <br>{{ testcase.options }} {% endfor %}
+    </p>
+    <p>Student answer: {{ answers.0 }}</p>
+    Autocheck: {{ answers.0.error }}
+    {% else %}{# non-mcq questions #}
+    <p>Student answer: </p>
+    {% for answer in answers %}
+    {% if not answer.skipped %}
+    <pre>
+    ###############################################################################
+    {{ answer.answer.strip }}
+    # Autocheck: {{ answer.error }}
+    </pre>
+    {% endif %}
+    {% endfor %}
+    {% endif %}
+    {% with answers|last as answer %}
+    <p><em>Obtained Marks: {{answer.marks}} </em> </p>
+    {% endwith %}
+    <hr>
+    {% endfor %} {# for question, answers ... #}
+    <h3>Teacher comments: </h3>
+    {{ paper.comments|default:"None" }}
+    <hr><hr>
+    {% endif %} {# if paper.answers.count #}
+
+    {% endfor %} {# for paper in data.papers #}
+
+{% endif %} {# if not data.papers #}
+{% endblock %}
diff --git a/yaksh/test_models.py b/yaksh/test_models.py
index c0721f3..2136987 100644
--- a/yaksh/test_models.py
+++ b/yaksh/test_models.py
@@ -252,6 +252,18 @@ class QuizTestCases(unittest.TestCase):
                          )
         self.assertEqual(trial_quiz.time_between_attempts, 0)
 
+    def test_view_answerpaper(self):
+        self.assertFalse(self.quiz1.view_answerpaper)
+        self.assertFalse(self.quiz2.view_answerpaper)
+
+        # When
+        self.quiz1.view_answerpaper = True
+        self.quiz1.save()
+
+        # Then
+        self.assertTrue(self.quiz1.view_answerpaper)
+
+
 
 ###############################################################################
 class QuestionPaperTestCases(unittest.TestCase):
diff --git a/yaksh/test_views.py b/yaksh/test_views.py
index 6e59e26..4dd905e 100644
--- a/yaksh/test_views.py
+++ b/yaksh/test_views.py
@@ -5,6 +5,7 @@ from django.contrib.auth.models import Group
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 from django.test import Client
+from django.utils import timezone
 
 from yaksh.models import User, Profile, Question, Quiz, QuestionPaper,\
     QuestionSet, AnswerPaper, Answer, Course, StandardTestCase,\
@@ -632,7 +633,7 @@ class TestRemoveTeacher(TestCase):
             target_status_code=301
         )
         for t_id in teacher_id_list:
-            teacher = User.objects.get(id=t_id) 
+            teacher = User.objects.get(id=t_id)
             self.assertNotIn(teacher, self.course.teachers.all())
 
 
@@ -640,7 +641,7 @@ class TestCourses(TestCase):
     def setUp(self):
         self.client = Client()
 
-        self.mod_group = Group.objects.create(name='moderator') 
+        self.mod_group = Group.objects.create(name='moderator')
 
         # Create Moderator with profile
         self.user1_plaintext_pass = 'demo1'
@@ -754,7 +755,7 @@ class TestCourseDetail(TestCase):
     def setUp(self):
         self.client = Client()
 
-        self.mod_group = Group.objects.create(name='moderator') 
+        self.mod_group = Group.objects.create(name='moderator')
 
         # Create Moderator with profile
         self.user1_plaintext_pass = 'demo1'
@@ -848,7 +849,7 @@ class TestCourseDetail(TestCase):
         """
         self.client.login(
             username=self.user2.username,
-            password=self.user2_plaintext_pass 
+            password=self.user2_plaintext_pass
         )
         response = self.client.get(reverse('yaksh:course_detail',
                 kwargs={'course_id': self.user1_course.id}
@@ -980,6 +981,148 @@ class TestEnrollRequest(TestCase):
         )
         self.assertRedirects(response, '/exam/manage/')
 
+class TestViewAnswerPaper(TestCase):
+    def setUp(self):
+        self.client = Client()
+        self.plaintext_pass = 'demo'
+
+        for i in range(1, 4):
+            User.objects.create_user(
+                username='demo_user{0}'.format(i),
+                password=self.plaintext_pass,
+                first_name='first_name',
+                last_name='last_name',
+                email='demo@test.com'
+            )
+
+        self.user1 = User.objects.get(pk=1)
+
+        self.course = Course.objects.create(name="Python Course",
+                                       enrollment="Enroll Request",
+                                       creator=self.user1)
+
+        self.question = Question.objects.create(summary='Dummy', points=1,
+                                               type='code', user=self.user1)
+
+        self.quiz = Quiz.objects.create(time_between_attempts=0, course=self.course,
+                                        description='demo quiz', language='Python')
+
+        self.question_paper = QuestionPaper.objects.create(quiz=self.quiz,
+            total_marks=1.0)
+
+        self.question_paper.fixed_questions.add(self.question)
+        self.question_paper.save()
+
+        AnswerPaper.objects.create(user_id=3,
+                attempt_number=1, question_paper=self.question_paper,
+                start_time=timezone.now(), user_ip='101.0.0.1',
+                end_time=timezone.now()+timezone.timedelta(minutes=20))
+
+    def tearDown(self):
+        User.objects.all().delete()
+        Course.objects.all().delete()
+        Question.objects.all().delete()
+        Quiz.objects.all().delete()
+        QuestionPaper.objects.all().delete()
+        AnswerPaper.objects.all().delete()
+
+    def test_anonymous_user(self):
+        # Given, user not logged in
+        redirect_destination = ('/exam/login/?next=/exam'
+            '/view_answerpaper/{0}/'.format(self.question_paper.id))
+
+        # When
+        response = self.client.get(reverse('yaksh:view_answerpaper',
+                kwargs={'questionpaper_id': self.question_paper.id}
+            ),
+            follow=True
+        )
+
+        # Then
+        self.assertRedirects(response, redirect_destination)
+
+    def test_cannot_view(self):
+        # Given, enrolled user tries to view when not permitted by moderator
+        user2 = User.objects.get(pk=2)
+        self.course.students.add(user2)
+        self.course.save()
+        self.quiz.view_answerpaper = False
+        self.quiz.save()
+        self.client.login(
+            username=user2.username,
+            password=self.plaintext_pass
+        )
+
+        # When
+        response = self.client.get(reverse('yaksh:view_answerpaper',
+                kwargs={'questionpaper_id': self.question_paper.id}
+            ),
+            follow=True
+        )
+
+        # Then
+        self.assertRedirects(response, '/exam/quizzes/')
+
+    def test_can_view(self):
+        # Given, user enrolled and can view
+        user3 = User.objects.get(pk=3)
+        self.course.students.add(user3)
+        self.course.save()
+        answerpaper = AnswerPaper.objects.get(pk=1)
+        self.quiz.view_answerpaper = True
+        self.quiz.save()
+        self.client.login(
+            username=user3.username,
+            password=self.plaintext_pass
+        )
+
+        # When
+        response = self.client.get(reverse('yaksh:view_answerpaper',
+                kwargs={'questionpaper_id': self.question_paper.id}
+            ),
+            follow=True
+        )
+
+        # Then
+        self.assertEqual(response.status_code, 200)
+        self.assertTrue('data' in response.context)
+        self.assertTrue('quiz' in response.context)
+        self.assertTemplateUsed(response, 'yaksh/view_answerpaper.html')
+
+
+        # When, wrong question paper id
+        response = self.client.get(reverse('yaksh:view_answerpaper',
+                kwargs={'questionpaper_id': 190}
+            ),
+            follow=True
+        )
+
+        # Then
+        self.assertEqual(response.status_code, 404)
+
+
+    def test_view_when_not_enrolled(self):
+        # Given, user tries to view when not enrolled in the course
+        user2 = User.objects.get(pk=2)
+        self.client.login(
+            username=user2.username,
+            password=self.plaintext_pass
+        )
+        self.course.students.remove(user2)
+        self.course.save()
+        self.quiz.view_answerpaper = True
+        self.quiz.save()
+
+        # When
+        response = self.client.get(reverse('yaksh:view_answerpaper',
+                kwargs={'questionpaper_id': self.question_paper.id}
+            ),
+            follow=True
+        )
+
+        # Then
+        self.assertRedirects(response, '/exam/quizzes/')
+
 
 class TestSelfEnroll(TestCase):
     def setUp(self):
diff --git a/yaksh/urls.py b/yaksh/urls.py
index d14ed1d..69d7f87 100644
--- a/yaksh/urls.py
+++ b/yaksh/urls.py
@@ -49,6 +49,7 @@ urlpatterns += [
         views.skip),
     url(r'^enroll_request/(?P<course_id>\d+)/$', views.enroll_request, name='enroll_request'),
     url(r'^self_enroll/(?P<course_id>\d+)/$', views.self_enroll, name='self_enroll'),
+    url(r'^view_answerpaper/(?P<questionpaper_id>\d+)/$', views.view_answerpaper, name='view_answerpaper'),
     url(r'^manage/$', views.prof_manage, name='manage'),
     url(r'^manage/addquestion/$', views.add_question),
     url(r'^manage/addquestion/(?P<question_id>\d+)/$', views.edit_question),
diff --git a/yaksh/views.py b/yaksh/views.py
index 923b3c2..1abf248 100644
--- a/yaksh/views.py
+++ b/yaksh/views.py
@@ -1261,3 +1261,15 @@ def test_quiz(request, mode, quiz_id):
 
     trial_questionpaper = test_mode(current_user, godmode, None, quiz_id)
     return my_redirect("/exam/start/{0}".format(trial_questionpaper.id))
+
+
+@login_required
+def view_answerpaper(request, questionpaper_id):
+    user = request.user
+    quiz = get_object_or_404(QuestionPaper, pk=questionpaper_id).quiz
+    if quiz.view_answerpaper and user in quiz.course.students.all():
+        data = AnswerPaper.objects.get_user_data(user, questionpaper_id)
+        context = {'data': data, 'quiz': quiz}
+        return my_render_to_response('yaksh/view_answerpaper.html', context)
+    else:
+        return my_redirect('/exam/quizzes/')