Course module implemented

Moderator can now create courses. Under his courses he can create quizzes.
Students can enroll for the course. Moderator can approve or reject
enrollment request of the student.
Student can view quizzes only for the enrolled course.

12 files changed, 441 insertions, 77 deletions

diff --git a/yaksh/forms.py b/yaksh/forms.py
index de40419..1af02f7 100644
--- a/yaksh/forms.py
+++ b/yaksh/forms.py
@@ -1,5 +1,5 @@
 from django import forms
-from yaksh.models import Profile, Quiz, Question, TestCase
+from yaksh.models import Profile, Quiz, Question, TestCase, Course
 
 from django.contrib.auth import authenticate
 from django.contrib.auth.models import User
@@ -132,12 +132,15 @@ class QuizForm(forms.Form):
     It has the related fields and functions required."""
 
     def __init__(self, *args, **kwargs):
+        user = kwargs.pop('user')
         super(QuizForm, self).__init__(*args, **kwargs)
         quizzes = [('', 'Select a prerequisite quiz')]
-        quizzes = quizzes + \
-                       list(Quiz.objects.values_list('id', 'description'))
+        quizzes += list(Quiz.objects.filter(
+                        course__creator=user).values_list('id', 'description'))
         self.fields['prerequisite'] = forms.CharField(required=False,
                                    widget=forms.Select(choices=quizzes))
+        self.fields['course'] = forms.ModelChoiceField(
+                queryset=Course.objects.filter(creator=user))
 
     start_date = forms.DateField(initial=datetime.date.today(), required=False)
     start_time = forms.TimeField(initial=datetime.datetime.now().time(), required=False)
@@ -156,6 +159,7 @@ class QuizForm(forms.Form):
                     help_text='Will be in days')
 
     def save(self):
+        course = self.cleaned_data["course"]
         start_date = self.cleaned_data["start_date"]
         start_time = self.cleaned_data["start_time"] 
         end_date = self.cleaned_data["end_date"]
@@ -169,6 +173,7 @@ class QuizForm(forms.Form):
         attempts_allowed = self.cleaned_data["attempts_allowed"]
         time_between_attempts = self.cleaned_data["time_between_attempts"]
         new_quiz = Quiz()
+        new_quiz.course = course
         new_quiz.start_date_time = datetime.datetime.combine(start_date,
                                                     start_time)
         new_quiz.end_date_time = datetime.datetime.combine(end_date,
@@ -265,3 +270,9 @@ class QuestionFilterForm(forms.Form):
 
 TestCaseFormSet = inlineformset_factory(Question, TestCase,\
                         can_order=False, can_delete=False, extra=1)
+
+
+class CourseForm(forms.ModelForm):
+    class Meta:
+        model = Course
+        fields = ['name', 'active', 'enrollment']
diff --git a/yaksh/models.py b/yaksh/models.py
index 8415930..d6fe972 100644
--- a/yaksh/models.py
+++ b/yaksh/models.py
@@ -40,6 +40,12 @@ question_types = (
         ("code", "Code"),
         ("upload", "Assignment Upload"),
     )
+
+enrollment_methods = (
+    ("default", "Enroll Request"),
+    ("open", "Open Course"),
+    )
+
 attempts = [(i, i) for i in range(1, 6)]
 attempts.append((-1, 'Infinite'))
 days_between_attempts = ((j, j) for j in range(401))
@@ -55,6 +61,65 @@ def get_assignment_dir(instance, filename):
 
 
 ###############################################################################
+class Course(models.Model):
+    name = models.CharField(max_length=128)
+    enrollment = models.CharField(max_length=32, choices=enrollment_methods)
+    active = models.BooleanField(default=True)
+    creator = models.ForeignKey(User, related_name='creator')
+    students = models.ManyToManyField(User, related_name='students')
+    requests = models.ManyToManyField(User, related_name='requests')
+    rejected = models.ManyToManyField(User, related_name='rejected')
+    created_on = models.DateTimeField(default=datetime.datetime.now())
+
+    def request(self, *users):
+        self.requests.add(*users)
+
+    def get_requests(self):
+        return self.requests.all()
+
+    def reject(self, was_enrolled=False, *users):
+        self.rejected.add(*users)
+        if not was_enrolled:
+            self.requests.remove(*users)
+        else:
+            self.students.remove(*users)
+
+    def get_rejected(self):
+        return self.rejected.all()
+
+    def enroll(self, was_rejected=False, *users):
+        self.students.add(*users)
+        if not was_rejected:
+            self.requests.remove(*users)
+        else:
+            self.rejected.remove(*users)
+
+    def get_enrolled(self):
+        return self.students.all()
+
+    def is_enrolled(self, user_id):
+        return self.students.filter(id=user_id).exists()
+
+    def is_creator(self, user):
+        return self.creator == user
+
+    def get_quizzes(self):
+        return self.quiz_set.all()
+
+    def activate(self):
+        self.active = True
+
+    def deactivate(self):
+        self.active = False
+
+    def is_self_enroll(self):
+        return True if self.enrollment == 'open' else False
+
+    def __unicode__(self):
+        return self.name
+
+
+###############################################################################
 class Question(models.Model):
     """Question for a quiz."""
 
@@ -166,6 +231,8 @@ class Quiz(models.Model):
     as the "examination" event.
     """
 
+    course = models.ForeignKey(Course)
+
     # The start date of the quiz.
     start_date_time = models.DateTimeField("Start Date and Time of the quiz",
                                         default=datetime.datetime.now(),
diff --git a/yaksh/static/yaksh/css/course.css b/yaksh/static/yaksh/css/course.css
new file mode 100644
index 0000000..580a95c
--- /dev/null
+++ b/yaksh/static/yaksh/css/course.css
@@ -0,0 +1,18 @@
+.show-grid [class*="span"] {
+    background: none repeat scroll 0% 0% #EEE;
+    text-align: center;
+    border-radius: 10px;
+    min-height: 30px;
+    line-height: 30px;
+    padding: 5px;
+}
+
+.well{
+    padding: 4px;
+}
+
+.wrap{
+    border: 1px solid #333;
+    padding: 5px;
+    background: none repeat scroll 0% 0% #E0DADA;
+}
diff --git a/yaksh/static/yaksh/css/question_quiz.css b/yaksh/static/yaksh/css/question_quiz.css
index ee249d4..26dc42b 100644
--- a/yaksh/static/yaksh/css/question_quiz.css
+++ b/yaksh/static/yaksh/css/question_quiz.css
@@ -22,3 +22,6 @@ table th, table td
     height : 30px;
     width : 100px;
 }
+input, textarea, select, .uneditable-input {
+    height: 30px;
+}
diff --git a/yaksh/templates/manage.html b/yaksh/templates/manage.html
index ca2ac65..11e2187 100644
--- a/yaksh/templates/manage.html
+++ b/yaksh/templates/manage.html
@@ -27,9 +27,9 @@
         <a href="{{ URL_ROOT }}/exam/manage/"><h3 class="brand"><strong>Online Test</h3></strong></a>
 <ul>
 <li><a href="{{ URL_ROOT }}/exam/manage/questions">Questions</a></li>
-               <li><a href="{{ URL_ROOT }}/exam/manage/showquiz">Quizzes</a></li>
         <li><a href="{{ URL_ROOT }}/exam/manage/gradeuser">Grade User</a></li>
 <li><a href="{{ URL_ROOT }}/exam/manage/monitor">Monitor</a></li>
+<li><a href="{{ URL_ROOT }}/exam/manage/courses">Courses</a></li>
         </ul>
 <ul style="float:right;">
 <li><strong><a style='cursor:pointer' onClick='location.replace("{{URL_ROOT}}/exam/complete/");'>Log out</a></strong></li>
@@ -72,8 +72,8 @@
                 <hr>
                 <center>
                     <h4>Moderator's Dashboard!</h4>
-                    <h5>Click on the button given below to add a new quiz.</h5>
-                    <button class="btn" type="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/addquiz");'>Add New Quiz</button>
+                    <h5>Click on the button given below to add a new course.</h5>
+                    <button class="btn" type="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/add_course");'>Add New Course</button>
                 </center>
 {% endblock %}
             </div>
diff --git a/yaksh/templates/yaksh/add_course.html b/yaksh/templates/yaksh/add_course.html
new file mode 100644
index 0000000..0afa27a
--- /dev/null
+++ b/yaksh/templates/yaksh/add_course.html
@@ -0,0 +1,21 @@
+{% extends "manage.html" %}
+
+{% block subtitle %}Add Course{% endblock %}
+
+{% block css %}
+<link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/question_quiz.css" type="text/css" />
+{% endblock %}
+
+{% block manage %}
+<form name=frm id=frm action="" method="post" >
+  {% csrf_token %}
+  <center>
+  <table class=span1>
+  {{ form.as_table }}
+  </table>
+  </center>
+
+  <center><button class="btn primary" type="submit" id="submit" name="questionpaper">Add Course</button>
+  <button class="btn primary" type="button" name="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/");'>Cancel</button> </center>
+</form>
+{% endblock %}
diff --git a/yaksh/templates/yaksh/add_quiz.html b/yaksh/templates/yaksh/add_quiz.html
index e78023d..c47d1f7 100644
--- a/yaksh/templates/yaksh/add_quiz.html
+++ b/yaksh/templates/yaksh/add_quiz.html
@@ -20,6 +20,6 @@
   </center>
     
   <center><button class="btn" type="submit" id="submit" name="questionpaper">Design Question Paper</button>
-  <button class="btn" type="button" name="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/showquiz/");'>Cancel</button> </center>
+  <button class="btn" type="button" name="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/courses/");'>Cancel</button> </center>
 </form>
 {% endblock %}
diff --git a/yaksh/templates/yaksh/course_detail.html b/yaksh/templates/yaksh/course_detail.html
new file mode 100644
index 0000000..cae7335
--- /dev/null
+++ b/yaksh/templates/yaksh/course_detail.html
@@ -0,0 +1,59 @@
+{% extends "manage.html" %}
+
+{% block title %} Course Detail {% endblock title %}
+
+{% block subtitle %} Course Detail for {{ course.name }} {% endblock %}
+
+{% block css %}
+<link rel="stylesheet" media="all" type="text/css" href="{{ URL_ROOT }}/static/yaksh/css/course.css" />
+{% endblock %}
+
+{% block manage %}
+<div class="row">
+    <div class="span6 wrap">
+        <center><b><u>Requests</u></b></center><br>
+        {% for request in course.get_requests %}
+        <div class="well">
+            <div class="row">
+                <div class="span3" style="padding-top:10px">
+                    {{ request.username }}
+                </div>
+                <a class="btn success" href="{{URL_ROOT}}/exam/manage/enroll/{{ course.id }}/{{ request.id }}/"> Enroll </a>  <a class="btn danger" href="{{URL_ROOT}}/exam/manage/reject/{{ course.id }}/{{ request.id }}/"> Reject </a>
+            </div>
+        </div>
+        {% endfor %}
+    </div>
+    <div class="span6 wrap">
+        <center><b><u>Rejected</u></b></center><br>
+        {% for rejected in course.get_rejected %}
+        <div class="well">
+            <div class="row">
+                <div class="span4" style="padding-top:10px">
+                    {{ rejected.username }}
+                </div>
+                <a class="btn success" href="{{URL_ROOT}}/exam/manage/enroll/rejected/{{ course.id }}/{{ rejected.id }}/"> Enroll </a>
+            </div>
+        </div>
+        {% endfor %}
+    </div>
+</div>
+<br>
+<div class="row">
+    <div class="span6 offset4 wrap">
+        <center><b><u>Enrolled</u></b></center><br>
+        {% for enrolled in course.get_enrolled %}
+        <div class="well">
+            <div class="row">
+                <div class="span4" style="padding-top:10px">
+                    {{ enrolled.username }}
+                </div>
+                <a class="btn danger" href="{{URL_ROOT}}/exam/manage/enrolled/reject/{{ course.id }}/{{ enrolled.id }}/"> Reject </a>
+            </div>
+        </div>
+        {% endfor %}
+    </div>
+</div>
+<div class="pull-right">
+            <a class="btn primary" href="{{URL_ROOT}}/exam/manage/toggle_status/{{ course.id }}/">{% if course.active %}Deactivate Course {% else %} Activate Course {% endif %}</a>
+</div>
+{% endblock %}
diff --git a/yaksh/templates/yaksh/courses.html b/yaksh/templates/yaksh/courses.html
new file mode 100644
index 0000000..291a746
--- /dev/null
+++ b/yaksh/templates/yaksh/courses.html
@@ -0,0 +1,39 @@
+{% extends "manage.html" %}
+
+{% block title %} Courses {% endblock title %}
+
+{% block subtitle %} Courses {% endblock %}
+
+{% block css %}
+<link rel="stylesheet" media="all" type="text/css" href="{{ URL_ROOT }}/static/yaksh/css/course.css" />
+{% endblock %}
+
+{% block manage %}
+{% if not courses %}
+    <center><h5> You have not created any courses </h5></center>
+{% else %}
+    {% for course in courses %}
+    <div class="row show-grid">
+        <div class="span14">
+            <div class="row">
+                <div class="span6">
+                    <p> <b><u>Course</u></b></p>
+                    <a href="{{URL_ROOT}}/exam/manage/course_detail/{{course.id}}/">{{ course.name }}</a>
+                    </br>
+                </div>
+                <div class="span6">
+                    <p><b><u>Quiz(zes)</u></b></p>
+                    {% for quiz in course.get_quizzes %}
+                        <a href="{{URL_ROOT}}/exam/manage/addquiz/{{quiz.id}}/">{{ quiz.description }}</a><br>
+                    {% endfor %}
+                </div>
+            </div>
+        </div>
+    </div>
+    <br><br>
+    {% endfor %}
+
+    <button class="btn primary" type="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/add_course");'>Add New Course</button>
+    <button class="btn primary" type="button" onClick='location.replace("{{URL_ROOT}}/exam/manage/addquiz");'>Add New Quiz</button>
+{% endif %}
+{% endblock %}
diff --git a/yaksh/templates/yaksh/quizzes_user.html b/yaksh/templates/yaksh/quizzes_user.html
index 1dcd20d..a800e68 100644
--- a/yaksh/templates/yaksh/quizzes_user.html
+++ b/yaksh/templates/yaksh/quizzes_user.html
@@ -4,7 +4,7 @@
 {% block subtitle %}Hello {{ user.first_name }}, welcome to your dashboard !{% endblock %}
 
 {% block css %}
-<link rel="stylesheet" href="{{ URL_ROOT }}/static/yaksh/css/question_quiz.css" type="text/css" />
+<link rel="stylesheet" media="all" type="text/css" href="{{ URL_ROOT }}/static/yaksh/css/course.css" />
 {% endblock %}
 
 {% block script %}
@@ -14,73 +14,106 @@
 
 
 {% block manage %}
-    {% if cannot_attempt %}
-        <p>You have not passed the prerequisite & hence you cannot take the quiz.</p>
-    {% endif %}
-    <h4>List of quizzes availbale for you</h4>
-    {% if not quizzes %}
-        <h5>No active quizzes for you</h5>
-    {% endif %}
-    <table>
-    <th>Quiz</th>
-    <th>Pre requisite quiz</th>
-    {% for paper in quizzes %}
-        <tr>
-            {% if paper in unexpired_quizzes %}
-                <td>
-                    <a href="{{ URL_ROOT }}/exam/intro/{{paper.id}}">{{ paper.quiz.description }}</a><br>
-                </td>
-            {% else %}
-                <td>
-                    {{ paper.quiz.description }} <span class="label important">Expired</span><br>
-                </td>
+
+<center><b><u>Available Courses</u></b></center><br>
+{% for course in courses %}
+<div class="row show-grid">
+    <div class="span14">
+        <div class="row">
+            <div class="span6">
+                <h4><b><u> {{ course.name }} by {{ course.creator}}</u></b></h4>
+            </div>
+             <div class="span6">
+                {% if user in course.requests.all %} <span class="label warning">Request Pending </span>
+                {% elif user in course.rejected.all %}<span class="label important">Request Rejected</span>
+                {% elif user in course.students.all %}<span class="label notice">Enrolled</span>
+                {% else %}
+                        {% if course.is_self_enroll %}
+                            <a class="btn success" href="{{ URL_ROOT }}/exam/self_enroll/{{ course.id }}">Enroll</a>
+                        {% else %}
+                            <a class="btn success" href="{{ URL_ROOT }}/exam/enroll_request/{{ course.id }}">Enroll Request</a>
+                        {% endif %}
+                {% endif %}
+             </div>
+         </div>
+
+        <div class="row">
+            {% if user in course.students.all %}
+                {% if cannot_attempt %}
+                    <p>You have not passed the prerequisite & hence you cannot take the quiz.</p>
+                {% endif %}
+                <h4>List of quizzes availbale for you</h4>
+                {% if not quizzes %}
+                    <h5>No active quizzes for you</h5>
+                {% endif %}
+                <table>
+                    <th>Quiz</th>
+                    <th>Pre requisite quiz</th>
+                    {% for paper in quizzes %}
+                        {% if paper.quiz.course_id == course.id %}
+                        <tr>
+                            {% if paper in unexpired_quizzes %}
+                                <td>
+                                    <a href="{{ URL_ROOT }}/exam/intro/{{paper.id}}">{{ paper.quiz.description }}</a><br>
+                                </td>
+                            {% else %}
+                                <td>
+                                    {{ paper.quiz.description }} <span class="label important">Expired</span><br>
+                                </td>
+                            {% endif %}
+                            <td>
+                                {% if paper.quiz.prerequisite %}
+                                    You have to pass {{ paper.quiz.prerequisite.description }} for taking {{ paper.quiz.description }}
+                                {% else %}
+                                    No pre requisites for {{ paper.quiz.description }}
+                                {% endif %}
+                            </td>
+                        </tr>
+                        {% endif %}
+                    {% endfor %}
+                </table>
             {% endif %}
+        </div>
+    </div>
+</div><!--/row show-grid-->
+ </br>
+{% endfor %}
+<hr>
+<h4>List of quizzes taken by you so far</h4>
+{% if quizzes_taken %}
+    <table class="bordered-table zebra-striped">
+        <th>Quiz</th>
+        <th>Result</th>
+        <th>Marks Obtained</th>
+        <th>Total Marks</th>
+        <th>Percentage</th>
+    {% for paper in quizzes_taken %}
+        <tr>
             <td>
-                {% if paper.quiz.prerequisite %}
-                    You have to pass {{ paper.quiz.prerequisite.description }} for taking {{ paper.quiz.description }}
+                {{ paper.question_paper.quiz.description }}
+            </td>
+            <td>
+                {% if paper.passed %}
+                    <p>Pass</p>
                 {% else %}
-                    No pre requisites for {{ paper.quiz.description }}
+                    <p>Fail</p>
                 {% endif %}
             </td>
+            <td>
+                {{ paper.marks_obtained }}
+            </td>
+            <td>
+                {{ paper.question_paper.total_marks }}
+            </td>
+            <td>
+                {{ paper.percent }}
+            </td>
         </tr>
     {% endfor %}
     </table>
-    <hr>    
-    <h4>List of quizzes taken by you so far</h4>
-    {% if quizzes_taken %}
-        <table class="bordered-table zebra-striped">
-            <th>Quiz</th>
-            <th>Result</th>
-            <th>Marks Obtained</th>
-            <th>Total Marks</th>
-            <th>Percentage</th>
-        {% for paper in quizzes_taken %}
-            <tr>
-                <td>
-                    {{ paper.question_paper.quiz.description }}
-                </td>
-                <td>
-                    {% if paper.passed %}
-                        <p>Pass</p>
-                    {% else %}
-                        <p>Fail</p>
-                    {% endif %}
-                </td>
-                <td>
-                    {{ paper.marks_obtained }}
-                </td>
-                <td>
-                    {{ paper.question_paper.total_marks }}
-                </td>
-                <td>
-                    {{ paper.percent }}
-                </td>
-            </tr>
-        {% endfor %}
-        </table>
-    {% else %}
-        <p>You have not taken any quiz yet !!</p>
-    {% endif %}
+{% else %}
+    <p>You have not taken any quiz yet !!</p>
+{% endif %}
 
 
 {% endblock %}
diff --git a/yaksh/urls.py b/yaksh/urls.py
index e6c2e15..ad0a925 100644
--- a/yaksh/urls.py
+++ b/yaksh/urls.py
@@ -19,6 +19,8 @@ urlpatterns = patterns('yaksh.views',
             'check'),
     url(r'^intro/$', 'start'),
     url(r'^(?P<q_id>\d+)/(?P<attempt_num>\d+)/(?P<questionpaper_id>\d+)/$', 'show_question'),
+    url(r'^enroll_request/(?P<course_id>\d+)/$', 'enroll_request'),
+    url(r'^self_enroll/(?P<course_id>\d+)/$', 'self_enroll'),
 
     url(r'^manage/$', 'prof_manage'),
     url(r'^manage/addquestion/$', 'add_question'),
@@ -54,6 +56,16 @@ urlpatterns = patterns('yaksh.views',
         'show_statistics'),
     url(r'^manage/statistics/question/(?P<questionpaper_id>\d+)/(?P<attempt_number>\d+)/$',
         'show_statistics'),
+    url(r'manage/courses/$', 'courses'),
+    url(r'manage/add_course/$', 'add_course'),
+    url(r'manage/course_detail/(?P<course_id>\d+)/$', 'course_detail'),
+    url(r'manage/enroll/(?P<course_id>\d+)/(?P<user_id>\d+)/$', 'enroll'),
+    url(r'manage/enroll/rejected/(?P<course_id>\d+)/(?P<user_id>\d+)/$',
+        'enroll', {'was_rejected': True}),
+    url(r'manage/reject/(?P<course_id>\d+)/(?P<user_id>\d+)/$', 'reject'),
+    url(r'manage/enrolled/reject/(?P<course_id>\d+)/(?P<user_id>\d+)/$',
+        'reject', {'was_enrolled': True}),
+    url(r'manage/toggle_status/(?P<course_id>\d+)/$', 'toggle_course_status'),
     url(r'^ajax/questionpaper/(?P<query>.+)/$', 'ajax_questionpaper'),
     url(r'^ajax/questions/filter/$', 'ajax_questions_filter'),
 
diff --git a/yaksh/views.py b/yaksh/views.py
index 6558427..9540a06 100644
--- a/yaksh/views.py
+++ b/yaksh/views.py
@@ -17,11 +17,11 @@ from taggit.models import Tag
 from itertools import chain
 import json
 # Local imports.
-from yaksh.models import Quiz, Question, QuestionPaper, QuestionSet
+from yaksh.models import Quiz, Question, QuestionPaper, QuestionSet, Course
 from yaksh.models import Profile, Answer, AnswerPaper, User, TestCase
 from yaksh.forms import UserRegisterForm, UserLoginForm, QuizForm,\
                 QuestionForm, RandomQuestionForm, TestCaseFormSet,\
-                QuestionFilterForm
+                QuestionFilterForm, CourseForm
 from yaksh.xmlrpc_clients import code_server
 from settings import URL_ROOT
 from yaksh.models import AssignmentUpload
@@ -157,6 +157,8 @@ def quizlist_user(request):
     disabled_quizzes = []
     unexpired_quizzes = []
 
+    courses = Course.objects.filter(active=True)
+
     for paper in avail_quizzes:
         quiz_enable_time = paper.quiz.start_date_time
         quiz_disable_time = paper.quiz.end_date_time
@@ -170,7 +172,8 @@ def quizlist_user(request):
                 'quizzes': avail_quizzes,
                 'user': user,
                 'quizzes_taken': quizzes_taken,
-                'unexpired_quizzes': unexpired_quizzes
+                'unexpired_quizzes': unexpired_quizzes,
+                'courses': courses
             }
 
     return my_render_to_response("yaksh/quizzes_user.html", context)
@@ -495,7 +498,7 @@ def add_quiz(request, quiz_id=None):
     if not user.is_authenticated() or not is_moderator(user):
         raise Http404('You are not allowed to view this page!')
     if request.method == "POST":
-        form = QuizForm(request.POST)
+        form = QuizForm(request.POST, user=user)
         if form.is_valid():
             data = form.cleaned_data
             if quiz_id is None:
@@ -527,13 +530,13 @@ def add_quiz(request, quiz_id=None):
                                          context_instance=ci)
     else:
         if quiz_id is None:
-            form = QuizForm()
+            form = QuizForm(user=user)
             return my_render_to_response('yaksh/add_quiz.html',
                                          {'form': form},
                                          context_instance=ci)
         else:
             d = Quiz.objects.get(id=quiz_id)
-            form = QuizForm()
+            form = QuizForm(user=user)
             form.initial['start_date'] = d.start_date_time.date()
             form.initial['start_time'] = d.start_date_time.time()
             form.initial['end_date'] = d.end_date_time.date()
@@ -759,7 +762,7 @@ def prof_manage(request):
 rights/permissions and log in."""
     user = request.user
     if user.is_authenticated() and is_moderator(user):
-        question_papers = QuestionPaper.objects.all()
+        question_papers = QuestionPaper.objects.filter(quiz__course__creator=user)
         users_per_paper = []
         for paper in question_papers:
             answer_papers = AnswerPaper.objects.filter(question_paper=paper)
@@ -1166,6 +1169,102 @@ def complete(request, reason=None, attempt_num=None, questionpaper_id=None):
 
 
 @login_required
+def add_course(request):
+    user = request.user
+    ci = RequestContext(request)
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page')
+    if request.method == 'POST':
+        form = CourseForm(request.POST)
+        if form.is_valid():
+            new_course = form.save(commit=False)
+            new_course.creator = user
+            new_course.save()
+            return my_render_to_response('manage.html', {'course': new_course})
+        else:
+            return my_render_to_response('yaksh/add_course.html',
+                                         {'form': form},
+                                         context_instance=ci)
+    else:
+        form = CourseForm()
+        return my_render_to_response('yaksh/add_course.html', {'form': form},
+                                     context_instance=ci)
+
+
+@login_required
+def enroll_request(request, course_id):
+    user = request.user
+    ci = RequestContext(request)
+    course = get_object_or_404(Course, pk=course_id)
+    course.request(user)
+    return my_redirect('/exam/manage/')
+
+
+@login_required
+def self_enroll(request, course_id):
+    user = request.user
+    ci = RequestContext(request)
+    course = get_object_or_404(Course, pk=course_id)
+    if course.is_self_enroll():
+        course.enroll(False, user)
+    return my_redirect('/exam/manage/')
+
+
+@login_required
+def courses(request):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page')
+    courses = Course.objects.filter(creator=user)
+    return my_render_to_response('yaksh/courses.html', {'courses': courses})
+
+
+@login_required
+def course_detail(request, course_id):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page')
+    course = get_object_or_404(Course, creator=user, pk=course_id)
+    return my_render_to_response('yaksh/course_detail.html', {'course': course})
+
+
+@login_required
+def enroll(request, course_id, user_id, was_rejected=False):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page')
+    course = get_object_or_404(Course, creator=user, pk=course_id)
+    user = get_object_or_404(User, pk=user_id)
+    course.enroll(was_rejected, user)
+    return course_detail(request, course_id)
+
+
+@login_required
+def reject(request, course_id, user_id, was_enrolled=False):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page')
+    course = get_object_or_404(Course, creator=user, pk=course_id)
+    user = get_object_or_404(User, pk=user_id)
+    course.reject(was_enrolled, user)
+    return course_detail(request, course_id)
+
+
+@login_required
+def toggle_course_status(request, course_id):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page')
+    course = get_object_or_404(Course, creator=user, pk=course_id)
+    if course.active:
+        course.deactivate()
+    else:
+        course.activate()
+    course.save()
+    return course_detail(request, course_id)
+
+
+@login_required
 def show_statistics(request, questionpaper_id, attempt_number=None):
     user = request.user
     if not is_moderator(user):
@@ -1201,7 +1300,7 @@ def monitor(request, questionpaper_id=None):
         raise Http404('You are not allowed to view this page!')
 
     if questionpaper_id is None:
-        q_paper = QuestionPaper.objects.all()
+        q_paper = QuestionPaper.objects.filter(quiz__course__creator=user)
         context = {'papers': [],
                    'quiz': None,
                    'quizzes': q_paper}
@@ -1209,10 +1308,12 @@ def monitor(request, questionpaper_id=None):
                                      context_instance=ci)
     # quiz_id is not None.
     try:
-        q_paper = QuestionPaper.objects.get(id=questionpaper_id)
+        q_paper = QuestionPaper.objects.get(id=questionpaper_id,
+                                            quiz__course__creator=user)
     except QuestionPaper.DoesNotExist:
         papers = []
         q_paper = None
+        latest_attempts = []
     else:
         latest_attempts = []
         papers = AnswerPaper.objects.filter(question_paper=q_paper).order_by(
@@ -1301,7 +1402,7 @@ def show_all_quiz(request):
         forms = []
         for j in data:
             d = Quiz.objects.get(id=j)
-            form = QuizForm()
+            form = QuizForm(user=user)
             form.initial['start_date'] = d.start_date_time.date()
             form.initial['start_time'] = d.start_date_time.time()
             form.initial['end_date'] = d.end_date_time.date()