Change templates, views, forms, models

- Allow to test, download and delete single question
- Fix pagination for searching and filtering questions

10 files changed, 306 insertions, 295 deletions

diff --git a/online_test/settings.py b/online_test/settings.py
index 7b9a231..0fda971 100644
--- a/online_test/settings.py
+++ b/online_test/settings.py
@@ -164,6 +164,7 @@ TEMPLATES = [
                 'social_django.context_processors.backends',
                 'social_django.context_processors.login_redirect',
                 'django.contrib.messages.context_processors.messages',
+                'django.template.context_processors.request',
             ],
             'debug': True,  # make this False in production
         }
diff --git a/yaksh/forms.py b/yaksh/forms.py
index 52ef75d..d2627d7 100644
--- a/yaksh/forms.py
+++ b/yaksh/forms.py
@@ -17,9 +17,9 @@ from string import punctuation, digits
 import pytz
 from .send_emails import generate_activation_key
 
-languages = (("select", "Select Language"),) + languages
+languages = (("", "Select Language"),) + languages
 
-question_types = (("select", "Select Question Type"),) + question_types
+question_types = (("", "Select Question Type"),) + question_types
 
 test_case_types = (
     ("standardtestcase", "Standard Testcase"),
@@ -357,11 +357,14 @@ class QuestionFilterForm(forms.Form):
         )
         self.fields['marks'].required = False
     language = forms.CharField(
-        max_length=8, widget=forms.Select(choices=languages,
-                                          attrs={'class': 'custom-select'}))
+        max_length=8, widget=forms.Select(
+            choices=languages, attrs={'class': 'custom-select'}),
+        required=False
+        )
     question_type = forms.CharField(
-        max_length=8, widget=forms.Select(choices=question_types,
-                                          attrs={'class': 'custom-select'})
+        max_length=8, widget=forms.Select(
+            choices=question_types, attrs={'class': 'custom-select'}),
+        required=False
     )
 
 
diff --git a/yaksh/models.py b/yaksh/models.py
index 52a0414..5d4d453 100644
--- a/yaksh/models.py
+++ b/yaksh/models.py
@@ -1385,7 +1385,7 @@ class Question(models.Model):
                 testcases.append(case.get_field_value())
             q_dict['testcase'] = testcases
             q_dict['files'] = file_names
-            q_dict['tags'] = [tags.tag.name for tags in q_dict['tags']]
+            q_dict['tags'] = [tag.name for tag in q_dict['tags']]
             questions_dict.append(q_dict)
         question._add_yaml_to_zip(zip_file, questions_dict)
         return zip_file_name
diff --git a/yaksh/static/yaksh/js/question_filter.js b/yaksh/static/yaksh/js/question_filter.js
deleted file mode 100644
index aa3a229..0000000
--- a/yaksh/static/yaksh/js/question_filter.js
+++ /dev/null
@@ -1,47 +0,0 @@
-$(document).ready(function(){
-    $question_type = $("#id_question_type");
-    $marks = $("#id_marks");
-    $language = $("#id_language");
-
-    function question_filter() {
-        $.ajax({
-            url: "/exam/ajax/questions/filter/",
-            type: "POST",
-            data: {
-                question_type: $question_type.val(),
-                marks: $marks.val(),
-                language: $language.val()
-            },
-            dataType: "html",
-            success: function(output) {
-                var questions = $(output).filter("#questions").html();
-                $("#filtered-questions").html(questions);
-            }
-        });
-    }
-
-    $question_type.change(function() {
-        question_filter()
-    });
-
-    $language.change(function() {
-        question_filter()
-    });
-
-    $marks.change(function() {
-        question_filter()
-    });
-
-    $("#checkall").change(function(){
-        if($(this).prop("checked")) {
-                $("#filtered-questions input:checkbox").each(function(index, element) {
-                $(this).prop('checked', true);
-                });
-        }
-        else {
-                $("#filtered-questions input:checkbox").each(function(index, element) {
-                $(this).prop('checked', false);
-                });
-        }
-    });
-});
\ No newline at end of file
diff --git a/yaksh/static/yaksh/js/show_question.js b/yaksh/static/yaksh/js/show_question.js
index e6825a0..d7b6a44 100644
--- a/yaksh/static/yaksh/js/show_question.js
+++ b/yaksh/static/yaksh/js/show_question.js
@@ -47,7 +47,18 @@ function append_tag(tag){
         tag_name.value = tag.value;
     }
 }
-$(document).ready(function()
-    { 
-        $("#questions-table").tablesorter({sortList: [[0,0], [4,0]]});
+$(document).ready(function() {
+    $("#questions-table").tablesorter({});
+    $("#checkall").change(function(){
+        if($(this).prop("checked")) {
+                $("#filtered-questions input:checkbox").each(function(index, element) {
+                $(this).prop('checked', true);
+                });
+        }
+        else {
+                $("#filtered-questions input:checkbox").each(function(index, element) {
+                $(this).prop('checked', false);
+                });
+        }
     });
+});
diff --git a/yaksh/templates/yaksh/ajax_question_filter.html b/yaksh/templates/yaksh/ajax_question_filter.html
deleted file mode 100644
index 18f14ff..0000000
--- a/yaksh/templates/yaksh/ajax_question_filter.html
+++ /dev/null
@@ -1,57 +0,0 @@
-<div id="questions">
-    <script>
-    $(document).ready(function(){
-    $("#checkall").change(function(){
-            if($(this).prop("checked")) {
-                    $("#filtered-questions input:checkbox").each(function(index, element) {
-                    $(this).prop('checked', true);
-                    });
-            }
-            else {
-                    $("#filtered-questions input:checkbox").each(function(index, element) {
-                    $(this).prop('checked', false);
-                    });
-            }
-        });
-    });
-    </script>
-    <br>
-    <a class="btn btn-lg btn-success" href="{% url 'yaksh:add_question' %}">
-        <i class="fa fa-plus-circle"></i>&nbsp;Add Question
-    </a>
-    <br><br>
-    {% if questions %}
-    {% include "yaksh/paginator.html" %}
-
-        <h5 class="highlight"><input type="checkbox" id="checkall">
-            Select All
-        </h5>
-        <ul class="inputs-list">
-            <table id="questions-table" class="tablesorter table table table-striped">
-            <thead>
-            <tr>
-            <th> Select </th>
-            <th> Summary </th>
-            <th> Language </th>
-            <th> Type </th>
-            <th> Marks </th>
-            </tr>
-            </thead>
-            <tbody>
-           {% for question in questions %}
-                <tr>
-                <td>
-                <input type="checkbox" name="question" value="{{ question.id }}">
-                </td>
-                <td><a href="{% url 'yaksh:add_question' question.id %}">{{question.summary|capfirst}}</a></td>
-                <td>{{question.language|capfirst}}</td>
-                <td>{{question.type|capfirst}}</td>
-                <td>{{question.points}}</td>
-                </tr>
-            {% endfor %}
-            </tbody>
-            </table>
-        </ul>
-    {% include "yaksh/paginator.html" %}
-    {% endif %}
-</div>
diff --git a/yaksh/templates/yaksh/paginator.html b/yaksh/templates/yaksh/paginator.html
index 5f0df7a..c634d5c 100644
--- a/yaksh/templates/yaksh/paginator.html
+++ b/yaksh/templates/yaksh/paginator.html
@@ -1,7 +1,7 @@
 <ul class="pagination pagination">
     {% if objects.has_previous %}
     <li class="page-item">
-        <a class="page-link" href="?page=1" aria-label="Previous">
+        <a class="page-link" href="?page=1{% if request.GET.question_type %}&question_type={{ request.GET.question_type }}{% endif %}{% if request.GET.language %}&language={{ request.GET.language }}{% endif %}{% if request.GET.marks %}&marks={{ request.GET.marks }}{% endif %}{% if request.GET.question_tags %}&question_tags={{ request.GET.question_tags }}{% endif %}" aria-label="Previous">
             <span aria-hidden="true">
                 <i class="fa fa-angle-double-left"></i>
             </span>
@@ -16,13 +16,13 @@
                 <span class="page-link">{{ n }}<span class="sr-only">(current)</span></span>
             </li>
         {% elif n > objects.number|add:'-5' and n < objects.number|add:'5' %}
-            <li class="page-item"><a class="page-link" href="?page={{ n }}">{{ n }}</a></li>
+            <li class="page-item"><a class="page-link" href="?page={{ n }}{% if request.GET.question_type %}&question_type={{ request.GET.question_type }}{% endif %}{% if request.GET.language %}&language={{ request.GET.language }}{% endif %}{% if request.GET.marks %}&marks={{ request.GET.marks }}{% endif %}{% if request.GET.question_tags %}&question_tags={{ request.GET.question_tags }}{% endif %}">{{ n }}</a></li>
         {% endif %}
     {% endfor %}
 
     {% if objects.has_next %}
         <li class="page-item">
-            <a class="page-link" href="?page={{ objects.paginator.num_pages }}" aria-label="Next">
+            <a class="page-link" href="?page={{ objects.paginator.num_pages }}{% if request.GET.question_type %}&question_type={{ request.GET.question_type }}{% endif %}{% if request.GET.language %}&language={{ request.GET.language }}{% endif %}{% if request.GET.marks %}&marks={{ request.GET.marks }}{% endif %}{% if request.GET.question_tags %}&question_tags={{ request.GET.question_tags }}{% endif %}" aria-label="Next">
                 <span aria-hidden="true">
                     <i class="fa fa-angle-double-right"></i>
                 </span>
diff --git a/yaksh/templates/yaksh/showquestions.html b/yaksh/templates/yaksh/showquestions.html
index e0cd529..6f05a0b 100644
--- a/yaksh/templates/yaksh/showquestions.html
+++ b/yaksh/templates/yaksh/showquestions.html
@@ -7,154 +7,153 @@
 
 {% block script %}
 <script type="text/javascript" src="{% static 'yaksh/js/show_question.js' %}"></script>
-<script type="text/javascript" src="{% static 'yaksh/js/question_filter.js' %}"></script>
 <script type="text/javascript" src="{% static 'yaksh/js/jquery.tablesorter.min.js' %}"></script>
 {% endblock %}
 
 {% block content %}
-<div class="container">
-  <!-- Side bar -->
-  <div class="nav nav-pills" role="tablist" aria-orientation="vertical">
-    <a href="#show" id="showbar" class="nav-link active"  data-toggle="pill" role="tab" aria-controls="show" aria-selected="true"> Show all Questions</a>
-    <a href="#updown" id="updownbar" class="nav-link" data-toggle="pill" role="tab" aria-controls="updown" aria-selected="false" > Upload Questions</a>
-  </div>
-  <!-- End of side bar -->
-  <div class="tab-content">
+  <div class="container-fluid">
+    <div class="nav nav-pills" role="tablist" aria-orientation="vertical">
+      <a href="#show" id="showbar" class="nav-link active"  data-toggle="pill" role="tab" aria-controls="show" aria-selected="true"> Show all Questions</a>
+      <a href="#updown" id="updownbar" class="nav-link" data-toggle="pill" role="tab" aria-controls="updown" aria-selected="false" > Upload Questions</a>
+    </div>
     <br>
-    <!-- Upload Questions -->
-    <div id="updown" class="card tab-pane fade" role="tabpanel" aria-labelledby="updownbar">
-      <div class="col" role="alert">
-        <p>You can upload question files the following ways -
-          <li><b><u>Yaml File</u></b>
-            <p>One can upload Yaml file with extensions .yaml or .yml. Please note
-              that you cannot upload files associated to a question. Yaml file can
-              have any name.
-            </p>
-          </li>
-          <li><b><u>Zip File</u></b>
-           <p> One can also upload zip with the following zip structure - </p>
-            <pre>
-              .zip
-              |-- .yaml or .yml
-              |-- .yaml or .yml
-              |-- folder1
-              |   |-- Files required by questions
-              |-- folder2
-              |   |-- Files required by questions
-            </pre>
-          </li>
-        </p>
-      </div>
-      <div class="card-body">
-        <form action="" method="post"  enctype="multipart/form-data">
-          {% csrf_token %}
-            <div class="form-group col-md-6">
-                <a class="btn btn-info" href="{% url 'yaksh:download_yaml_template' %}">
-                  <i class="fa fa-download"></i>&nbsp;Download Template</a>
-                <br><br>
-                <h4> Or </h4>
-                <br>
-                <div class="input-group mb-3">
-                    <div class="custom-file">
-                        {{ upload_form }}
-                        <label class="custom-file-label" for="id_file">
-                            Choose file
-                        </label>
-                    </div>
-                    <div class="input-group-append">
-                      <button class="btn btn-outline-primary" type="submit" name="upload" value="upload"><i class="fa fa-upload"></i>&nbsp;Upload File</button>
-                    </div>
-                </div>
-            </div>
-            <script>
-                $('#id_file').on('change',function(){
-                    //get the file name
-                    var fileName = $(this).val();
-                    //replace the "Choose a file" label
-                    $(this).next('.custom-file-label').html(fileName);
-                })
-            </script>
-        </form>
+    <div class="tab-content">
+      <!-- Upload Questions -->
+      <div id="updown" class="card tab-pane fade" role="tabpanel" aria-labelledby="updownbar">
+        <div class="col" role="alert">
+          <p>You can upload question files the following ways -
+            <li><b><u>Yaml File</u></b>
+              <p>One can upload Yaml file with extensions .yaml or .yml. Please note
+                that you cannot upload files associated to a question. Yaml file can
+                have any name.
+              </p>
+            </li>
+            <li><b><u>Zip File</u></b>
+             <p> One can also upload zip with the following zip structure - </p>
+              <pre>
+                .zip
+                |-- .yaml or .yml
+                |-- .yaml or .yml
+                |-- folder1
+                |   |-- Files required by questions
+                |-- folder2
+                |   |-- Files required by questions
+              </pre>
+            </li>
+          </p>
+        </div>
+        <div class="card-body">
+          <form action="" method="post"  enctype="multipart/form-data">
+            {% csrf_token %}
+              <div class="form-group col-md-6">
+                  <a class="btn btn-info" href="{% url 'yaksh:download_yaml_template' %}">
+                    <i class="fa fa-download"></i>&nbsp;Download Template</a>
+                  <br><br>
+                  <h4> Or </h4>
+                  <br>
+                  <div class="input-group mb-3">
+                      <div class="custom-file">
+                          {{ upload_form }}
+                          <label class="custom-file-label" for="id_file">
+                              Choose file
+                          </label>
+                      </div>
+                      <div class="input-group-append">
+                        <button class="btn btn-outline-primary" type="submit" name="upload" value="upload"><i class="fa fa-upload"></i>&nbsp;Upload File</button>
+                      </div>
+                  </div>
+              </div>
+              <script>
+                  $('#id_file').on('change',function(){
+                      //get the file name
+                      var fileName = $(this).val();
+                      //replace the "Choose a file" label
+                      $(this).next('.custom-file-label').html(fileName);
+                  })
+              </script>
+          </form>
+        </div>
       </div>
-    </div>
-    <!-- End of upload questions -->
+      <!-- End of upload questions -->
 
-    <!-- Show questions -->
-    <div id="show" class="tab-pane fade show active" role="tabpanel" aria-labelledby="showbar">
-    {% if messages %}
-        {% for message in messages %}
-        <div class="alert alert-dismissible alert-info">
-            <button type="button" class="close" data-dismiss="alert">
-                <i class="fa fa-close"></i>
-            </button>
-            <strong>{{ message }}</strong>
-        </div>
-        {% endfor %}
-    {% endif %}
-    <form name=frm action="" method="post">
+      <div id="show" class="tab-pane fade show active" role="tabpanel" aria-labelledby="showbar">
+        {% if messages %}
+          {% for message in messages %}
+          <div class="alert alert-dismissible alert-info">
+              <button type="button" class="close" data-dismiss="alert">
+                  <i class="fa fa-close"></i>
+              </button>
+              <strong>{{ message }}</strong>
+          </div>
+          {% endfor %}
+        {% endif %}
         <div class="card">
           <div class="card-body">
-            <!-- Filtering Questions  -->
-            <div id="selectors">
-              <h4>Filters Questions: </h4>
-              <div class="dropdown">
-                    <div class="col-md-4">
-                    {{ form.question_type }}
-                    </div>
-                    <div class="col-md-4">
-                    {{ form.language }}
-                    </div>
-                    <div class="col-md-4">
-                    {{ form.marks }}
-                    </div>
+            <!-- Filter Questions -->
+            <h4>Filters Questions: </h4>
+            <form method="GET" action="{% url 'yaksh:questions_filter' %}">
+
+              <div class="row">
+                  <div class="col-md-4">{{ form.question_type }}</div>
+                  <div class="col-md-4">{{ form.language }}</div>
+                  <div class="col-md-4">{{ form.marks }}</div>
+                  <br><br>
+                  <div class="col">
+                    <button class="btn btn-outline-success">
+                      <i class="fa fa-filter"></i>&nbsp;Filter
+                    </button>
+                  </div>
               </div>
-            </div>
+            </form>
+            <!-- End Filter Questions -->
             <hr>
-            <h4 >Or Search using Tags: </h4>
-            <!-- Searching Tags -->
-            {% csrf_token %}
-            <div class="col-md-14">
-              <div class="input-group">
-                <div class="col-md-6">
+            <!-- Search by Tags -->
+            <h4 >Search using Tags: </h4>
+            <div class="row">
+              <div class="col">
+                <form method="GET" action="{% url 'yaksh:search_questions_by_tags' %}">
                   <div class="input-group">
-                    <div class="input-group-prepend">
-                      <span class="input-group-text" id="basic-addon1">Search Questions</span>
-                    </div>
-                    <input type="text" name="question_tags" id="question_tags" class="form-control" type="search"  placeholder="Search using comma separated Tags">
+                    <input type="text" name="question_tags" id="question_tags" class="form-control" type="search"  placeholder="Search questions using comma separated Tags">
                     <span class="input-group-append">
-                      <button class="btn btn-outline-secondary" type="submit"><i class="fa fa-search"></i></button>
+                      <button class="btn btn-outline-success" type="submit">
+                        <i class="fa fa-search"></i>&nbsp;Search
+                      </button>
                     </span>
                   </div>
-                </div>
-                <div class="col-md-6">
-                  <select class="form-control" id="sel1" onchange="append_tag(this);">
-                    {% if all_tags %}
-                     <option value="" disabled selected>Available Tags</option>
-                    {% for tag in all_tags %}
-                    <option>
-                        {{tag}}
-                    </option>
-                    {% endfor %}
-                    {% else %}
-                     <option value="" disabled selected>No Available Tags</option>
-                    {% endif %}
-                  </select>
-                </div>
-                <br><br>
-                <div class="col-md-6">
-                  <a class="btn btn-primary" href="{% url 'yaksh:show_questions' %}">
-                    Clear Filters
-                  </a>
-                </div>
+                </form>
+              </div>
+              <div class="col">
+                <select class="form-control" id="sel1" onchange="append_tag(this);">
+                  {% if all_tags %}
+                   <option value="" disabled selected>Available Tags</option>
+                  {% for tag in all_tags %}
+                  <option>
+                      {{tag}}
+                  </option>
+                  {% endfor %}
+                  {% else %}
+                   <option value="" disabled selected>No Available Tags</option>
+                  {% endif %}
+                </select>
               </div>
             </div>
+            <br>
+            <!-- End Search by Tags -->
+            <a class="btn btn-outline-danger" href="{% url 'yaksh:show_questions' %}">
+              <i class="fa fa-times"></i>&nbsp;Clear
+            </a>
           </div>
+          <!-- End Card body -->
         </div>
+        <!-- End card filters and search -->
+      </div>
+      <form name=frm action="{% url 'yaksh:show_questions' %}" method="post">
+        {% csrf_token %}
         <div id="filtered-questions">
           <br>
           <a class="btn btn-lg btn-success" href="{% url 'yaksh:add_question' %}">
             <i class="fa fa-plus-circle"></i>&nbsp;Add Question</a>
-          {% if questions %}
+          {% if objects %}
             <div>
               <br>
               {% include "yaksh/paginator.html" %}
@@ -163,24 +162,38 @@
                <div class="table-wrapper-2">
                   <table id="questions-table" class="tablesorter table  table-striped table-responsive-sm">
                     <thead>
-                      <tr class="yakshred">
+                      <tr>
                         <th> Select </th>
+                        <th> Sr No. </th>
                         <th> Summary&nbsp;<i class="fa fa-sort"></i> </th>
                         <th> Language&nbsp;<i class="fa fa-sort"></i> </th>
                         <th> Type&nbsp;<i class="fa fa-sort"></i> </th>
                         <th> Marks&nbsp;<i class="fa fa-sort"></i> </th>
+                        <th>Test</th>
+                        <th>Download</th>
+                        <th>Delete</th>
                       </tr>
                     </thead>
                     <tbody>
-                      {% for question in questions %}
+                      {% for question in objects %}
                       <tr>
                         <td>
                          <input type="checkbox" name="question" value="{{ question.id }}">
                         </td>
+                        <td>{{forloop.counter}}</td>
                         <td><a href="{% url 'yaksh:add_question' question.id %}">{{question.summary|capfirst}}</a></td>
                         <td>{{question.language|capfirst}}</td>
                         <td>{{question.type|capfirst}}</td>
                         <td>{{question.points}}</td>
+                        <td>
+                          <a href="{% url 'yaksh:test_question' question.id %}" class="btn btn-info">
+                            Test
+                          </a>
+                        </td>
+                        <td><a href="{% url 'yaksh:download_question' question.id %}" class="btn btn-primary">
+                          <i class="fa fa-download"></i>&nbsp;Download</a></td>
+                        <td><a href="{% url 'yaksh:delete_question' question.id %}" class="btn btn-danger" onclick="return confirm('Are you sure you want to delete {{question.summary|capfirst}}?')">
+                        <i class="fa fa-trash"></i>&nbsp;Delete</a></td>
                       </tr>
                       {% endfor %}
                     </tbody>
@@ -191,23 +204,21 @@
           {% else %}
             <br><br>
             <div class="alert alert-info">
-              <center><h3>No Questions created</h3></center>
+              <center><h3>No Questions found</h3></center>
             </div>
           {% endif %}
         </div>
         <br>
         <center>
-          {% if questions %}
+          {% if objects %}
             <button class="btn btn-lg btn-primary" type="submit" name='download' value='download'><i class="fa fa-download"></i>&nbsp;Download Selected</button>
             <button class="btn btn-lg btn-primary" type="submit" name="test" value="test">Test Selected</button>
             <button class="btn btn-lg btn-danger" type="submit" onClick="return confirm_delete(frm);" name='delete' value='delete'>
             <i class="fa fa-trash"></i>&nbsp;Delete Selected</button>
           {% endif %}
         </center>
-    </form>
-    </div>
-    <!-- End of Show questions -->
+      </form>
     </div>
-</div>
+  </div>
 {% endblock %}
 
diff --git a/yaksh/urls.py b/yaksh/urls.py
index bdc3330..6085c51 100644
--- a/yaksh/urls.py
+++ b/yaksh/urls.py
@@ -124,7 +124,7 @@ urlpatterns = [
         views.reject, {'was_enrolled': True}, name="reject_user"),
     url(r'manage/toggle_status/(?P<course_id>\d+)/$',
         views.toggle_course_status, name="toggle_course_status"),
-    url(r'^ajax/questions/filter/$', views.ajax_questions_filter,
+    url(r'^questions/filter$', views.questions_filter,
         name="questions_filter"),
     url(r'^editprofile/$', views.edit_profile, name='edit_profile'),
     url(r'^viewprofile/$', views.view_profile, name='view_profile'),
@@ -205,4 +205,12 @@ urlpatterns = [
         views.course_teachers, name="course_teachers"),
     url(r'^manage/download/course/progress/(?P<course_id>\d+)',
         views.download_course_progress, name="download_course_progress"),
+    url(r'^manage/question/download/(?P<question_id>\d+)',
+        views.download_question, name="download_question"),
+    url(r'^manage/question/test/(?P<question_id>\d+)',
+        views.test_question, name="test_question"),
+    url(r'^manage/question/delete/(?P<question_id>\d+)',
+        views.delete_question, name="delete_question"),
+    url(r'^manage/search/questions', views.search_questions_by_tags,
+        name="search_questions_by_tags"),
 ]
diff --git a/yaksh/views.py b/yaksh/views.py
index 9efcbe9..33a8680 100644
--- a/yaksh/views.py
+++ b/yaksh/views.py
@@ -1329,36 +1329,6 @@ def monitor(request, quiz_id=None, course_id=None):
     return my_render_to_response(request, 'yaksh/monitor.html', context)
 
 
-@csrf_exempt
-def ajax_questions_filter(request):
-    """Ajax call made when filtering displayed questions."""
-
-    user = request.user
-    filter_dict = {"user_id": user.id, "active": True}
-    question_type = request.POST.get('question_type')
-    marks = request.POST.get('marks')
-    language = request.POST.get('language')
-    if question_type:
-        filter_dict['type'] = str(question_type)
-
-    if marks:
-        filter_dict['points'] = marks
-
-    if language:
-        filter_dict['language'] = str(language)
-    questions = Question.objects.get_queryset().filter(
-                **filter_dict).order_by('id')
-    paginator = Paginator(questions, 30)
-    page = request.GET.get('page')
-    questions = paginator.get_page(page)
-    return my_render_to_response(
-        request, 'yaksh/ajax_question_filter.html', {
-            'questions': questions,
-            'objects': questions
-        }
-    )
-
-
 def _get_questions(user, question_type, marks):
     if question_type is None and marks is None:
         return None
@@ -1385,12 +1355,16 @@ def _remove_already_present(questionpaper_id, questions):
     return questions
 
 
-def _get_questions_from_tags(question_tags, user, active=True):
+def _get_questions_from_tags(question_tags, user, active=True, questions=None):
     search_tags = []
     for tags in question_tags:
         search_tags.extend(re.split('[; |, |\*|\n]', tags))
-    return Question.objects.filter(tags__name__in=search_tags,
-                                   user=user, active=active).distinct()
+    if questions:
+        search = questions.filter(tags__name__in=search_tags)
+    else:
+        search = Question.objects.get_queryset().filter(
+            tags__name__in=search_tags, user=user, active=active).distinct()
+    return search
 
 
 @login_required
@@ -1536,7 +1510,7 @@ def show_all_questions(request):
         raise Http404("You are not allowed to view this page !")
 
     questions = Question.objects.get_queryset().filter(
-                user_id=user.id, active=True).order_by('id')
+                user_id=user.id, active=True).order_by('-id')
     form = QuestionFilterForm(user=user)
     user_tags = questions.values_list('tags', flat=True).distinct()
     all_tags = Tag.objects.filter(id__in=user_tags)
@@ -1544,11 +1518,8 @@ def show_all_questions(request):
     paginator = Paginator(questions, 30)
     page = request.GET.get('page')
     questions = paginator.get_page(page)
-    context['questions'] = questions
     context['objects'] = questions
     context['all_tags'] = all_tags
-    context['papers'] = []
-    context['question'] = None
     context['form'] = form
     context['upload_form'] = upload_form
 
@@ -1576,7 +1547,7 @@ def show_all_questions(request):
                     questions = questions_file.read()
                     message = ques.load_questions(questions, user)
                 else:
-                    message = "Please Upload a ZIP file"
+                    message = "Please Upload a ZIP file or YAML file"
 
         if request.POST.get('download') == 'download':
             question_ids = request.POST.getlist('question')
@@ -1600,21 +1571,131 @@ def show_all_questions(request):
                     user, False, question_ids, None)
                 trial_paper.update_total_marks()
                 trial_paper.save()
-                return my_redirect("/exam/start/1/{0}/{1}/{2}".format(
-                    trial_module.id, trial_paper.id, trial_course.id))
+                return my_redirect(reverse("yaksh:start_quiz",
+                    args=[1, trial_module.id, trial_paper.id, trial_course.id]
+                ))
             else:
                 message = "Please select atleast one question to test"
 
-        if request.POST.get('question_tags'):
-            question_tags = request.POST.getlist("question_tags")
-            search_result = _get_questions_from_tags(question_tags, user)
-            context['questions'] = search_result
     messages.info(request, message)
     return my_render_to_response(request, 'yaksh/showquestions.html', context)
 
 
 @login_required
 @email_verified
+def questions_filter(request):
+    """Filter questions by type, language or marks."""
+
+    user = request.user
+    if not is_moderator(user):
+        raise Http404('You are not allowed to view this page!')
+
+    questions = Question.objects.get_queryset().filter(
+            user_id=user.id, active=True).order_by('-id')
+    form = QuestionFilterForm(user=user)
+    user_tags = questions.values_list('tags', flat=True).distinct()
+    all_tags = Tag.objects.filter(id__in=user_tags)
+    form = QuestionFilterForm(user=user)
+    upload_form = UploadFileForm()
+    filter_dict = {}
+    question_type = request.GET.get('question_type')
+    marks = request.GET.get('marks')
+    language = request.GET.get('language')
+    if question_type:
+        filter_dict['type'] = str(question_type)
+    if marks:
+        filter_dict['points'] = marks
+    if language:
+        filter_dict['language'] = str(language)
+    questions = questions.filter(**filter_dict).order_by('-id')
+    paginator = Paginator(questions, 30)
+    page = request.GET.get('page')
+    questions = paginator.get_page(page)
+    context = {'form': form, 'upload_form': upload_form,
+               'all_tags': all_tags, 'objects': questions}
+    return my_render_to_response(
+        request, 'yaksh/showquestions.html', context
+    )
+
+
+@login_required
+@email_verified
+def delete_question(request, question_id):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404("You are not allowed to view this page !")
+
+    question = get_object_or_404(Question, pk=question_id)
+    question.active = False
+    question.save()
+    messages.success(request, "Deleted Question Successfully")
+
+    return my_redirect(reverse("yaksh:show_questions"))
+
+
+@login_required
+@email_verified
+def download_question(request, question_id):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404("You are not allowed to view this page !")
+
+    question = Question()
+    zip_file = question.dump_questions([question_id], user)
+    response = HttpResponse(content_type='application/zip')
+    response['Content-Disposition'] = dedent(
+        '''attachment; filename={0}_question.zip'''.format(user)
+    )
+    zip_file.seek(0)
+    response.write(zip_file.read())
+    return response
+
+
+@login_required
+@email_verified
+def test_question(request, question_id):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404("You are not allowed to view this page !")
+
+    trial_paper, trial_course, trial_module = test_mode(
+                    user, False, [question_id], None)
+    trial_paper.update_total_marks()
+    trial_paper.save()
+    return my_redirect(
+        reverse("yaksh:start_quiz",
+                args=[1, trial_module.id, trial_paper.id, trial_course.id]
+            )
+        )
+
+@login_required
+@email_verified
+def search_questions_by_tags(request):
+    user = request.user
+    if not is_moderator(user):
+        raise Http404("You are not allowed to view this page !")
+
+    questions = Question.objects.get_queryset().filter(
+            user_id=user.id, active=True).order_by('-id')
+    form = QuestionFilterForm(user=user)
+    user_tags = questions.values_list('tags', flat=True).distinct()
+    all_tags = Tag.objects.filter(id__in=user_tags)
+    form = QuestionFilterForm(user=user)
+    upload_form = UploadFileForm()
+    question_tags = request.GET.getlist("question_tags")
+    questions = _get_questions_from_tags(
+        question_tags, user, questions=questions
+    )
+    paginator = Paginator(questions, 30)
+    page = request.GET.get('page')
+    questions = paginator.get_page(page)
+    context = {'form': form, 'upload_form': upload_form,
+               'all_tags': all_tags, 'objects': questions}
+    return my_render_to_response(request, 'yaksh/showquestions.html', context)
+
+
+@login_required
+@email_verified
 def user_data(request, user_id, questionpaper_id=None, course_id=None):
     """Render user data."""
     current_user = request.user