diff --git a/amadeus/settings.py b/amadeus/settings.py
index be72e3a..ab3230f 100644
--- a/amadeus/settings.py
+++ b/amadeus/settings.py
@@ -60,7 +60,6 @@ INSTALLED_APPS = [
     'poll',
     'links',
     'files',
-    'exercise',
 
 ]
 
diff --git a/amadeus/urls.py b/amadeus/urls.py
index b75fe7c..84ba7f7 100644
--- a/amadeus/urls.py
+++ b/amadeus/urls.py
@@ -23,7 +23,6 @@ urlpatterns = [
     url(r'^home/', include('app.urls', namespace = 'app')),
     url(r'^courses/', include('courses.urls', namespace = 'course')),
     url(r'^users/', include('users.urls', namespace = 'users')),
-    url(r'^exercise/', include('exercise.urls', namespace = 'exercise')),
     url(r'^admin/', admin.site.urls),
     url(r'^', include('core.urls', namespace = 'core')),
     #API
diff --git a/courses/templates/subject/form_view_student.html b/courses/templates/subject/form_view_student.html
index 286ea88..3b3d81d 100644
--- a/courses/templates/subject/form_view_student.html
+++ b/courses/templates/subject/form_view_student.html
@@ -1,4 +1,4 @@
-{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access list_topic_exercises %}
+{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access %}
 {% professor_subject topic.subject user as professor_links %}
 
   {% block javascript %}
diff --git a/courses/templates/topic/update.html b/courses/templates/topic/update.html
index 358dffd..70f1092 100644
--- a/courses/templates/topic/update.html
+++ b/courses/templates/topic/update.html
@@ -1,4 +1,4 @@
-{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access list_topic_exercises course_value_field %}
+{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access course_value_field %}
 
 <form class="" id="form_topic_update_{{topic.slug}}" method="post" action="">
   {% csrf_token %}
@@ -84,7 +84,6 @@
         <ul class="dropdown-menu" aria-labelledby="dLabel">
           <li><a href="javascript:createForum('{% url 'course:forum:create' %}', '{{ topic.id }}')">{% trans 'Create Forum' %}</a></li>
           <li><a href="javascript:modal.get('{% url 'course:poll:create_poll' topic.slug%}','#poll','#requisicoes_ajax');">{% trans 'Create Poll' %}</a></li>
-          <li><a href="javascript:modal.get('{% url 'course:exercise:create_exercise' topic.slug %}', '#createExercisesModal','#requisicoes_ajax')">{% trans 'Delivery Material' %}</a></li>
           <li><a href="{% url 'course:exam:create_exam' topic.slug %}">{% trans 'Create exam' %}</a></li>
         </ul>
       </div>
diff --git a/courses/templates/topic/view.html b/courses/templates/topic/view.html
index 21e258b..9962e6b 100644
--- a/courses/templates/topic/view.html
+++ b/courses/templates/topic/view.html
@@ -1,4 +1,4 @@
-{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access list_topic_exercises %}
+{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access  %}
 <!-- Block with Log info -->
 <input type="hidden" class="log_id" value="{{ topic_log_id }}" />
 <input type="hidden" class="log_url" value="{% url 'course:topic_log' topic.id %}" />
@@ -51,7 +51,7 @@
         <ul class="dropdown-menu" aria-labelledby="dLabel">
           <li><a href="javascript:createForum('{% url 'course:forum:create' %}', '{{ topic.id }}')">{% trans 'Create Forum' %}</a></li>
           <li><a href="javascript:modal.get('{% url 'course:poll:create_poll' topic.slug%}','#poll','#requisicoes_ajax');">{% trans 'Create Poll' %}</a></li>
-          <li><a href="javascript:modal.get('{% url 'course:exercise:create_exercise' topic.slug %}', '#createExercisesModal','#requisicoes_ajax')">{% trans 'Delivery Material' %}</a></li>
+          
           <li><a href="{% url 'course:exam:create_exam' topic.slug %}">{% trans 'Create exam' %}</a></li>
         </ul>
       </div>
@@ -61,7 +61,7 @@
       <ul>
         {% list_topic_poll request topic %}
         {% list_topic_foruns request topic %}
-        {% list_topic_exercise request topic %}
+        
       </ul>
   </div>
   {% endif %}
diff --git a/courses/urls.py b/courses/urls.py
index e86872c..cd9e21b 100644
--- a/courses/urls.py
+++ b/courses/urls.py
@@ -33,7 +33,6 @@ urlpatterns = [
     url(r'^upload-material/$', views.UploadMaterialView.as_view(), name='upload_material'),
     url(r'^subjects/file-material-view/(?P<slug>[\w_-]+)/$', views.FileMaterialView.as_view(), name='file_material_view'),
     url(r'^links/',include('links.urls',namespace = 'links')),
-    url(r'^exercise/', include('exercise.urls', namespace='exercise')),
     url(r'^topic/(?P<topic>[\w_-]+)/$', views.topic_log, name='topic_log'),
     url(r'^(?P<slug>[\w_-]+)/', include([
         url(r'^$', views.CourseView.as_view(), name='view'),
diff --git a/courses/views.py b/courses/views.py
index 69050e3..e7c961c 100644
--- a/courses/views.py
+++ b/courses/views.py
@@ -16,7 +16,7 @@ from django.shortcuts import get_object_or_404
 from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 from django.views import generic
-from exercise.models import Exercise
+
 from files.forms import FileForm
 from files.models import TopicFile
 from functools import reduce
@@ -623,7 +623,6 @@ class SubjectsView(AccessMixin, LogMixin, generic.ListView):
         context['course'] = subject.course
         context['subject'] = subject
         context['topics'] = Topic.objects.filter(subject = subject)
-        context['exercise'] = Exercise.objects.filter(topic__subject=subject)
         context['title'] = subject.name
         if has_role(self.request.user,'professor') or has_role(self.request.user,'system_admin'):
             context['files'] = TopicFile.objects.filter(professor__name = self.request.user.name)
diff --git a/exercise/__init__.py b/exercise/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/exercise/__init__.py
+++ /dev/null
diff --git a/exercise/admin.py b/exercise/admin.py
deleted file mode 100644
index 0c0deb5..0000000
--- a/exercise/admin.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from django.contrib import admin
-from .models import Exercise
-
-class ExerciseAdmin(admin.ModelAdmin):
-    list_display = ['name_exercise']
-    search_fields = ['name_exercise']
-
-admin.site.register(Exercise, ExerciseAdmin)
diff --git a/exercise/apps.py b/exercise/apps.py
deleted file mode 100644
index 9ff568a..0000000
--- a/exercise/apps.py
+++ /dev/null
@@ -1,5 +0,0 @@
-from django.apps import AppConfig
-
-
-class ExerciseConfig(AppConfig):
-    name = 'exercise'
diff --git a/exercise/forms.py b/exercise/forms.py
deleted file mode 100644
index fcb4930..0000000
--- a/exercise/forms.py
+++ /dev/null
@@ -1,32 +0,0 @@
-from .models import Exercise
-from django import forms
-from django.core.exceptions import ValidationError, FieldError
-from django.utils.translation import ugettext_lazy as _
-import requests
-
-
-class ExerciseForm(forms.ModelForm):
-
-    def __init__(self, *args, **kwargs):
-        super(ExerciseForm, self).__init__(*args, **kwargs)
-        self.fields["allowed"].required = False
-        self.fields["allowed"].initial = False
-
-    # def clean_allowed(self):
-    #     if('allowed' in self.data):
-    #         allowed = self.data['allowed']
-    #         raise forms.ValidationError(_('It is required one these fields.'))
-    #     return True
-
-    class Meta:
-        model = Exercise
-        fields = ['name_exercise', 'description',
-                    'end_date', 'file', 'allowed']
-
-
-class UpdateExerciseForm(forms.ModelForm):
-
-    class Meta:
-        model = Exercise
-        fields = ['name_exercise', 'description',
-                    'end_date', 'file']
diff --git a/exercise/locale/pt_BR/LC_MESSAGES/django.po b/exercise/locale/pt_BR/LC_MESSAGES/django.po
deleted file mode 100644
index d9f9bad..0000000
--- a/exercise/locale/pt_BR/LC_MESSAGES/django.po
+++ /dev/null
@@ -1,125 +0,0 @@
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-#
-#, fuzzy
-msgid ""
-msgstr ""
-"Project-Id-Version: PACKAGE VERSION\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-11-24 00:05-0300\n"
-"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
-"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
-"Language-Team: LANGUAGE <LL@li.org>\n"
-"Language: \n"
-"MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
-
-#: .\models.py:24
-msgid "Name"
-msgstr "Nome"
-
-#: .\models.py:25 .\templates\exercise\card_topic_exercises.html:11
-msgid "Description"
-msgstr "Descrição"
-
-#: .\models.py:26 .\templates\exercise\card_topic_exercises.html:22
-msgid "Delivery Date"
-msgstr "Data de entrega"
-
-#: .\models.py:28
-msgid "Topic"
-msgstr "Tópico"
-
-#: .\models.py:29
-msgid "Professors"
-msgstr "Professores"
-
-#: .\models.py:30
-msgid "Students"
-msgstr "Estudantes"
-
-#: .\models.py:32
-msgid "Type file"
-msgstr "Tipo de arquivo"
-
-#: .\models.py:33
-msgid "Allowed delivery after end date?"
-msgstr "Permitido entregar após a data de término?"
-
-#: .\templates\exercise\card_list_user.html:23
-#: .\templates\exercise\card_topic_exercises.html:26
-msgid "Grade"
-msgstr "Nota"
-
-#: .\templates\exercise\card_list_user.html:30
-msgid "Give a grade"
-msgstr "Dar a nota"
-
-#: .\templates\exercise\card_list_user.html:37
-msgid "Delivery"
-msgstr "Entregar"
-
-#: .\templates\exercise\card_list_user.html:45
-msgid "Create"
-msgstr "Criar"
-
-#: .\templates\exercise\card_list_user.html:52
-msgid "Create a specific exercise"
-msgstr "Criar um exercício específico"
-
-#: .\templates\exercise\card_topic_exercises.html:15
-msgid "Don't have description"
-msgstr "Não possui descrição"
-
-#: .\templates\exercise\card_topic_exercises.html:34
-msgid "Not yet"
-msgstr "Ainda não"
-
-#: .\templates\exercise\card_topic_exercises.html:41
-msgid "File"
-msgstr "Arquivo"
-
-#: .\templates\exercise\card_topic_exercises.html:45
-msgid "Exercise not yet"
-msgstr "Sem exercícios por enquanto"
-
-#: .\templates\exercise\card_topic_exercises.html:49
-msgid "Teacher waiting corretion"
-msgstr "Aguardando correção do professor"
-
-#: .\templates\exercise\create_exercise.html:8
-msgid "Create a New Material"
-msgstr "Criar um novo Material"
-
-#: .\templates\exercise\create_exercise.html:36
-msgid "Choose your file..."
-msgstr "Escolha seu arquivo..."
-
-#: .\templates\exercise\create_exercise.html:66
-msgid "The file size shouldnt exceed 10MB"
-msgstr "O tamanho do arquivo não pode exceder 10MB"
-
-#: .\templates\exercise\create_exercise.html:72
-#: .\templates\exercise\delete_exercise.html:24
-msgid "Close"
-msgstr "Fechar"
-
-#: .\templates\exercise\create_exercise.html:73
-msgid "Submit"
-msgstr "Enviar"
-
-#: .\templates\exercise\delete_exercise.html:12
-msgid "Delete Exercise"
-msgstr "Apagar exercício"
-
-#: .\templates\exercise\delete_exercise.html:20
-msgid "Are you sure to delete the exercise "
-msgstr "Você tem certeza que quer deletar o exercício "
-
-#: .\templates\exercise\delete_exercise.html:25
-msgid "Delete"
-msgstr "Apagar"
diff --git a/exercise/migrations/0001_initial.py b/exercise/migrations/0001_initial.py
deleted file mode 100644
index 3073f98..0000000
--- a/exercise/migrations/0001_initial.py
+++ /dev/null
@@ -1,32 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.10 on 2016-11-24 15:17
-from __future__ import unicode_literals
-
-from decimal import Decimal
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-        ('core', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Exercise',
-            fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('name_exercise', models.CharField(max_length=100, verbose_name='Name')),
-                ('description', models.TextField(blank=True, verbose_name='Description')),
-                ('end_date', models.DateField(verbose_name='Delivery Date')),
-                ('grade', models.DecimalField(decimal_places=2, default=Decimal('0.00'), max_digits=20, null=True)),
-                ('file', models.FileField(upload_to='uploads/%Y/%m/%d')),
-                ('allowed', models.BooleanField(default=False, verbose_name='Allowed delivery after end date?')),
-                ('file_type', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='exercise_type', to='core.MimeType', verbose_name='Type file')),
-            ],
-        ),
-    ]
diff --git a/exercise/migrations/0002_auto_20161124_1217.py b/exercise/migrations/0002_auto_20161124_1217.py
deleted file mode 100644
index a61ebed..0000000
--- a/exercise/migrations/0002_auto_20161124_1217.py
+++ /dev/null
@@ -1,36 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.10 on 2016-11-24 15:17
-from __future__ import unicode_literals
-
-from django.conf import settings
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    initial = True
-
-    dependencies = [
-        ('exercise', '0001_initial'),
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
-        ('courses', '0002_auto_20161124_1217'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='exercise',
-            name='professors',
-            field=models.ManyToManyField(blank=True, related_name='professors_exercise', to=settings.AUTH_USER_MODEL, verbose_name='Professors'),
-        ),
-        migrations.AddField(
-            model_name='exercise',
-            name='students',
-            field=models.ManyToManyField(blank=True, related_name='subject_exercise', to=settings.AUTH_USER_MODEL, verbose_name='Students'),
-        ),
-        migrations.AddField(
-            model_name='exercise',
-            name='topic',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='exercise_topic', to='courses.Topic', verbose_name='Topic'),
-        ),
-    ]
diff --git a/exercise/migrations/__init__.py b/exercise/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/exercise/migrations/__init__.py
+++ /dev/null
diff --git a/exercise/models.py b/exercise/models.py
deleted file mode 100644
index df0c25a..0000000
--- a/exercise/models.py
+++ /dev/null
@@ -1,36 +0,0 @@
-from courses.models import Topic
-from decimal import Decimal
-from django.db import models
-from django.utils.translation import ugettext_lazy as _
-from users.models import User
-from core.models import MimeType
-
-"""
-    Function to return the path where the file should be saved
-"""
-
-    
-def file_path(instance, filename):
-    return '/'.join([instance.topic.subject.course.slug, instance.topic.subject.slug, instance.topic.slug, filename])
-
-
-"""
-It represents the Exercises inside topic.
-"""
-
-
-class Exercise(models.Model):
-
-    name_exercise = models.CharField(_('Name'), max_length=100)
-    description = models.TextField(_('Description'), blank=True)
-    end_date = models.DateField(_('Delivery Date'))
-    grade = models.DecimalField(max_digits=20, decimal_places=2, default=Decimal('0.00'), null=True)
-    topic = models.ForeignKey(Topic, verbose_name=_('Topic'), related_name='exercise_topic')
-    professors = models.ManyToManyField(User, verbose_name=_('Professors'), related_name='professors_exercise', blank=True)
-    students = models.ManyToManyField(User, verbose_name=_('Students'), related_name='subject_exercise', blank = True)
-    file = models.FileField(upload_to='uploads/%Y/%m/%d')
-    file_type = models.ForeignKey(MimeType, verbose_name=_('Type file'), related_name='exercise_type',null=True)
-    allowed = models.BooleanField(_('Allowed delivery after end date?'), default=False)
-
-    def __str__(self):
-        return self.name_exercise
diff --git a/exercise/static/js/exercise.js b/exercise/static/js/exercise.js
deleted file mode 100644
index 15559aa..0000000
--- a/exercise/static/js/exercise.js
+++ /dev/null
@@ -1,7 +0,0 @@
-function get_modal_exercise(url, id,div_content){
-    $.get(url, function (data) {
-        $(div_content).detach();
-        $(div_content).append(data);
-        $(id).modal('show');
-    });
-}
diff --git a/exercise/templates/exercise/card_list_user.html b/exercise/templates/exercise/card_list_user.html
deleted file mode 100644
index 53b4ce7..0000000
--- a/exercise/templates/exercise/card_list_user.html
+++ /dev/null
@@ -1,64 +0,0 @@
-{% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access list_topic_exercises %}
-
-<div class="col-md-12 col-sm-12 col-lg-12">
-  <div class="panel-group accordion ui-accordion ui-widget ui-helper-reset ui-sortable" role="tablist" aria-multiselectable="false">
-    <div class="group"><div class="panel panel-default">
-      <div class="panel-heading topic ui-sortable-handle" role="tab">
-        <div class="row">
-          <div class="col-md-1 moreAccordion" data-toggle="collapse" data-parent="#accordion-{{user.id}}" href=".collapseTopic-{{user.id}}" aria-expanded="false" aria-controls="collapseTopic-{{user.id}}">
-            <button class="btn btn-default btn-sm caret-square"><i class="fa fa-caret-square-o-down fa-2x" aria-hidden="true"></i></button>
-          </div>
-          <div class="col-xs-9 col-md-9 titleTopic">
-            <a href="" role="button">
-              <h4>{{user|capfirst}}</h4>
-            </a>
-          </div>
-        </div>
-      </div>
-      <div class="panel-collapse collapseTopic-{{user.id}} collapse in" role="tabpanel" aria-labelledby="heading_{{user.id}}" aria-expanded="true" aria-hidden="false">
-        <div class="panel-body">
-          <div class="row">
-            <div class="col-md-4"> 
-              <div class="resource_inline">
-                <h4>{% trans 'Grade' %}</h4>
-              </div>
-              <div class="resource_inline">
-                {# dropdown de create exercício #}
-                <div class="dropdown">
-                  <a href="#" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><i class="fa fa-plus-circle fa-lg" aria-hidden="true"></i></a>
-                  <ul class="dropdown-menu" aria-labelledby="dLabel">
-                    <li><a href="javascript:modal.get('{% url 'course:exercise:create_exercise' topic.slug %}', '#createExercisesModal','#requisicoes_ajax')">{% trans 'Give a grade' %}</a></li>
-                  </ul>
-                </div>
-              </div>
-            </div>
-            <div class="col-md-4"> 
-              <div class="resource_inline">
-                <h4>{% trans 'Delivery' %}</h4>
-              </div>
-              {% for exercise in exercises %}
-                <li><a href="{{exercise.file.url}}" target="_blank">{{exercise.name_exercise}}</a></li>     
-              {% endfor %}               
-            </div>
-            <div class="col-md-4"> 
-              <div class="resource_inline">
-                <h4>{% trans 'Create' %}</h4>
-              </div>
-              <div class="resource_inline">
-                {# dropdown de create exercício #}
-                <div class="dropdown">
-                  <a href="#" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><i class="fa fa-plus-circle fa-lg" aria-hidden="true"></i></a>
-                  <ul class="dropdown-menu" aria-labelledby="dLabel">
-                    <li><a href="javascript:modal.get('{% url 'course:exercise:create_exercise' topic.slug %}', '#createExercisesModal','#requisicoes_ajax')">{% trans 'Create a specific exercise' %}</a></li>
-                  </ul>
-                </div>
-              </div>
-              {% include "exercise/create_exercise.html" %}
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-  </div>
-</div>
-</div>
\ No newline at end of file
diff --git a/exercise/templates/exercise/card_topic_exercises.html b/exercise/templates/exercise/card_topic_exercises.html
deleted file mode 100644
index 5acd8c1..0000000
--- a/exercise/templates/exercise/card_topic_exercises.html
+++ /dev/null
@@ -1,59 +0,0 @@
-{% load static widget_tweaks i18n %}
-
-<div class="col-lg-4 col-xs-4 col-sm-4">
-  <div class="panel panel-default">
-    <div class="panel-body">
-      <form class="form-horizontal">
-        <fieldset>
-          <center><legend>{{exercise.name_exercise}}</legend></center>
-          <div class="container-fluid">
-            <div class="form-group">
-              <label class="col-md-2 col-xs-2 col-sm-2 control-label">{% trans 'Description' %}: </label><br>
-              {% if exercise.description%}
-                {{exercise.description}}
-              {% else %}
-                {% trans "Don't have description" %}
-              {% endif %}
-            </div>
-            <div class="form-group">
-
-            </div>
-            <div class="form-group">
-              <label class="col-md-2 col-xs-2 col-sm-2 control-label">{% trans 'Delivery Date' %}: </label><br>{{exercise.end_date}}
-
-            </div>
-           <div class="form-group">
-              <label for="nota" class="col-md-2 control-label">{% trans 'Grade' %}: 
-                {% if exercise.grade %}
-                  <div class="col-md-4">
-                    <p id="nota" class="form-control">
-                      {{exercise.grade}}
-                    </p>
-                  </div>
-                {% else %}
-                    {% trans 'Not yet' %}
-                {% endif %}
-              </label>
-            </div>
-            {% if exercise.file %}
-              <div class="form-group">
-                <label for="DelExc" class="col-md-4 control-label"> <i class="fa fa-file-archive-o fa-3x" aria-hidden="true">
-                <a href="{{exercise.file.url}}" target="_blank">{% trans 'File' %}</a>
-                </i> 
-              </div>
-            {% else %}
-              <p>{% trans 'Exercise not yet' %}</p>
-            {% endif %}
-            {% if not exercise.grade %}
-              <div class="form-group">
-                <label class="col-md-6 control-label"><i class="fa fa-spinner fa-pulse fa-3x fa-fw"></i>{% trans 'Teacher waiting corretion' %}
-              </div>
-            {% endif %}
-          </div>
-
-        </fieldset>
-      </form>
-
-    </div>
-  </div>
-</div>
\ No newline at end of file
diff --git a/exercise/templates/exercise/create_exercise.html b/exercise/templates/exercise/create_exercise.html
deleted file mode 100644
index 87d5e92..0000000
--- a/exercise/templates/exercise/create_exercise.html
+++ /dev/null
@@ -1,113 +0,0 @@
-{% load widget_tweaks i18n static %}
-<!--MODAL CREATE EXERCISE-->
-<div class="modal fade" id="createExercisesModal" tabindex="-1" role="dialog" aria-labelledby="createExercise">
-  <div class="modal-dialog" role="document">
-    <div class="modal-content">
-      <div class="modal-header">
-        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
-        <h4 class="modal-title" id="createExercise">{% trans 'Create a New Material' %}</h4>
-      </div>
-      <div class="modal-body">
-        <!-- Card -->
-        <form class="form-horizontal" method="post" id="form-exercise" enctype="multipart/form-data">
-          {% csrf_token %}
-          {% if messages %}
-          {% for message in messages %}
-          <div class="alert alert-{{ message.tags }} alert-dismissible" role="alert">
-            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-              <span aria-hidden="true">&times;</span>
-            </button>
-            <p>{{ message }}</p>
-          </div>
-          {% endfor %}
-          {% endif %}
-          <fieldset>
-            {% for field in form %}
-            <div class="form-group is-empy{% if form.has_error %} has-error {% endif %} is-fileinput">
-              <div class="col-md-12">
-                {% if field.field.required %}
-                <label for="{{ field.auto_id }}" class="control-label">{{ field.label }}<span>*</span></label>
-                {% else %}
-                <label for="{{ field.auto_id }}" class=" control-label">{{ field.label }}</label>
-                {% endif %}
-                {% if field.auto_id == 'id_file' %}
-                {% render_field field class='form-control input-sm' %}
-                <div class="input-group">
-                  <input type="text" readonly="" class="form-control" placeholder="{% trans 'Choose your file...' %}">
-                  <span class="input-group-btn input-group-sm">
-                    <button type="button" class="btn btn-fab btn-fab-mini">
-                      <i class="material-icons">attach_file</i>
-                    </button>
-                  </span>
-                </div>
-                {% else %}
-                  {% render_field field class='form-control input-sm' %}
-                  <span id="helpBlock" class="help-block">{{ field.help_text }}</span>
-                {% endif %}
-                </div>
-
-              {% if field.errors %}
-              <div class="alert alert-danger alert-dismissible clearfix" role="alert">
-                <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-                  <span aria-hidden="true">&times;</span>
-                </button>
-                <ul>
-                  {% for error in field.errors %}
-                  <li>{{ error }}</li>
-                  {% endfor %}
-                </ul>
-              </div>
-              {% endif %}
-            </div>
-            {% endfor %}
-
-            <div class="form-group">
-              <div class="col-md-12 text-center">
-                <p><b>{% trans 'The file size shouldnt exceed 10MB' %}</b></p>
-              </div>
-            </div>
-
-            <div class="form-group">
-              <div class="col-md-12">
-               <button type="button" class="btn btn-default btn-raised" data-dismiss="modal">{% trans "Close" %}</button>
-               <button class="btn btn-raised btn-primary" type="submit">{% trans 'Submit' %}</button>
-             </div>
-           </div>
-         </fieldset>
-       </form>
-       <!-- .end Card -->
-     </div>
-   </div>
- </div>
-</div>
-<!-- EndModal -->
-<script type="text/javascript">
-  $("#form-exercise").submit(function(event) {
-    $("#createExercisesModal").modal("hide");
-    var data = new FormData($('#form-exercise').get(0));
-    $.ajax({
-      url: "{% url 'course:exercise:create_exercise' topic.slug %}",
-      type: $("#form-exercise").attr('method'),
-      data: data,
-      cache: false,
-      processData: false,
-      contentType: false,
-      success: function(data) {
-        $('#createExercisesModal').modal('hide');
-        $('#list-topic{{ topic.id }}-exercises').append(data);
-        $('#list-topic{{ topic.id }}-exercises-edit').append(data);
-        alertify.success('Exercise successfully created!')
-        setTimeout(function () { location.reload(1); }, 1000);
-      },
-      error: function(data){
-        $('#requisicoes_ajax').empty();
-        $('#requisicoes_ajax').append(data.responseText);
-        $('#createExercisesModal').modal('show');
-        alertify.alert('Invalid exercise, insert a valid one!');
-        $('div.modal-backdrop.fade.in').remove();
-
-      }
-    });
-    event.preventDefault();
-  });
-</script>
diff --git a/exercise/templates/exercise/delete_exercise.html b/exercise/templates/exercise/delete_exercise.html
deleted file mode 100644
index 4b7a289..0000000
--- a/exercise/templates/exercise/delete_exercise.html
+++ /dev/null
@@ -1,66 +0,0 @@
-{% load static widget_tweaks i18n %}
-
-<!-- MODAL DELETE LINK -->
-<exercise rel="stylesheet" type="text/css" href="{% static 'css/exercise.css' %}">
-
-<div class="erro-update">
-    <div class="modal fade" id="exerciseDeleteModal" tabindex="-1" role="dialog" aria-labelledby="deleteExerciseLabel" style="z-index: 10">
-        <div class="modal-dialog" role="document">
-            <div class="modal-content">
-                <div class="modal-header">
-                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
-                    <h4 class="modal-title" id="deleteExerciseLabel">{% trans 'Delete Exercise' %}</h4>
-                </div>
-                <div class="modal-body">
-                <!-- Card -->
-                    <form class="form-horizontal" method="post" id="form-delete-exercise" enctype="multipart/form-data">
-                    {% csrf_token %}
-                        <fieldset>
-                            <div class="col-md-12">
-                                {% trans "Are you sure to delete the exercise " %} <strong>"{{ exercise.name }}"</strong> </a> of {{ exercise.topic.name }}?
-                            </div>
-                            <div class="form-group">
-                                <div class="col-md-12">
-                                     <button type="button" class="btn btn-default btn-raised" data-dismiss="modal">{% trans "Close" %}</button>
-                                    <button class="btn btn-raised btn-primary" type="submit">{% trans 'Delete' %}</button>
-                                </div>
-                            </div>
-                        </fieldset>
-                    </form>
-                <!-- .end Card -->
-              </div>
-            </div>
-        </div>
-    </div>
-</div>
-    <script src="{% static 'js/exercise.js' %}"></script>
-    <script type="text/javascript">
-      $("#form-delete-exercise").submit(function(event) {
-            var data = new FormData($('#form-delete-exercise').get(0));
-            $('#exerciseDeleteModal').modal('hide');
-            $.ajax({
-                url: "{% url 'course:exercises:delete_exercise' exercise.slug %}",
-                type: $("#form-delete-exercise").attr('method'),
-                data: data,
-                cache: false,
-                processData: false,
-                contentType: false,
-                success: function(data) {
-                    $('#requisicoes_ajax').empty();
-                    $('#exercise_{{ exercise.slug }}').remove();
-                    $('#exercise_edit_icon_{{ exercise.slug }}').remove();
-                    $('#exercise_edit_{{ exercise.slug }}').remove();
-                    alertify.alert('Exercise successfully deleted!')
-                },
-                error: function(data){
-                    $("div.modal-backdrop.fade.in").remove();
-                    $('#requisicoes_ajax').empty();
-                    $('#requisicoes_ajax').append(data.responseText);
-                    $('#exerciseDeleteModal').modal('show');
-                    alertify.alert('Error when trying to delete.');
-                }
-            });
-            event.preventDefault();
-          });
-  </script>
-<!-- EndModal -->
diff --git a/exercise/templates/exercise/exercise_edit.html b/exercise/templates/exercise/exercise_edit.html
deleted file mode 100644
index 1b6221d..0000000
--- a/exercise/templates/exercise/exercise_edit.html
+++ /dev/null
@@ -1,7 +0,0 @@
-{% load static i18n list_topic_foruns permission_tags %}
-<div id="exercise-topic{{ topic.id }}-exercises-edit">
-  {% for exercise in exercises %}
-    <li class="icon_edit_remove" id = "exercise_edit_icon_{{ exercise.slug }}"> <a href="javascript:modal.get('{% url 'course:exercise:update_exercise' exercise.slug %}', '#exercisesModalEdit', '#requisicoes_ajax')"><i class="fa fa-pencil fa-lg" aria-hidden="true"></i></a>  <a href="javascript:modal.get('', '#exerciseDeleteModal', '#requisicoes_ajax')"><i class="fa fa-trash fa-lg" aria-hidden="true"></i></a></li>
-    <li id = "exercise_edit_{{ exercise.slug }}"><i class="fa fa-file" aria-hidden="true"></i>  <a href="javascript:modal.get('', '#viewExerciseModal','#requisicoes_ajax')">{{exercise.name_exercise}}</a></li>
-  {% endfor %}
-</div>
diff --git a/exercise/templates/exercise/exercise_list.html b/exercise/templates/exercise/exercise_list.html
deleted file mode 100644
index 3b5a44f..0000000
--- a/exercise/templates/exercise/exercise_list.html
+++ /dev/null
@@ -1,6 +0,0 @@
-{% load static i18n list_topic_foruns permission_tags %}
-<div id="list-topic{{ topic.id }}-exercises">
-{% for exercise in exercises %}
-    <li id="exercise_{{ exercise.slug }}"><i class="fa fa-file" aria-hidden="true"></i>  <a href="{{exercise.file.url}}">{{exercise.name_exercise}}</a></li>
-{% endfor %}
-</div>
diff --git a/exercise/templates/exercise/render_exercise.html b/exercise/templates/exercise/render_exercise.html
deleted file mode 100644
index 8c928b4..0000000
--- a/exercise/templates/exercise/render_exercise.html
+++ /dev/null
@@ -1 +0,0 @@
-<li id="exercise_{{ exercise.slug }}"><i class="material-icons">{{ exercise.file_type.icon }}</i> <a href="{{ exercise.file_url.url }}" target="_blank">{{ exercise.name }}</a></li>
\ No newline at end of file
diff --git a/exercise/templates/exercise/update_exercise.html b/exercise/templates/exercise/update_exercise.html
deleted file mode 100644
index ede3f67..0000000
--- a/exercise/templates/exercise/update_exercise.html
+++ /dev/null
@@ -1,120 +0,0 @@
-{% load static widget_tweaks i18n %}
-
-<!-- MODAL CREATE FILE -->
-<link rel="stylesheet" type="text/css" href="{% static 'css/file.css' %}">
-
-<div class="erro-update">
-    <div class="modal fade" id="exercisesModalEdit" tabindex="-1" role="dialog" aria-labelledby="updateFileLabel" style="z-index: 10">
-        <div class="modal-dialog" role="document">
-            <div class="modal-content">
-                <div class="modal-header">
-                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
-                    <h4 class="modal-title" id="updateFileLabel">{% trans 'Edit Material' %}</h4>
-                </div>
-                <div class="modal-body">
-                <!-- Card -->
-                    <form class="form-horizontal" method="post" id="form-update-exercise" enctype="multipart/form-data">
-                    {% csrf_token %}
-                        {% if messages %}
-                            {% for message in messages %}
-                                <div class="alert alert-{{ message.tags }} alert-dismissible" role="alert">
-                                    <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-                                        <span aria-hidden="true">&times;</span>
-                                    </button>
-                                    <p>{{ message }}</p>
-                                </div>
-                            {% endfor %}
-                        {% endif %}
-                        <fieldset>
-                            {% for field in form %}
-                                <div class="form-group is-empy{% if form.has_error %} has-error {% endif %} is-fileinput">
-                                    <div class="col-md-12">
-                                        {% if field.field.required %}
-                                            <label for="{{ field.auto_id }}" class="control-label">{{ field.label }}<span>*</span></label>
-                                        {% else %}
-                                            <label for="{{ field.auto_id }}" class=" control-label">{{ field.label }}</label>
-                                        {% endif %}
-                                        {% if field.auto_id == 'id_file' %}
-                                            <input class="form-control input-sm" id="id_file_url" name="file_url" type="file">
-                                            <div class="input-group">
-                                                <input type="text" readonly="" class="form-control" placeholder="{% trans 'Choose your file...' %}">
-                                                <span class="input-group-btn input-group-sm">
-                                                    <button type="button" class="btn btn-fab btn-fab-mini">
-                                                        <i class="material-icons">attach_file</i>
-                                                    </button>
-                                                </span>
-                                            </div>
-                                            <div class="crearfix">
-                                                <a href="{{ file.file_url.url }}" target="_blank">{% trans "See current file" %}</a>
-                                            </div>
-                                        {% else %}
-                                            {% render_field field class='form-control input-sm' %}
-                                            <span id="helpBlock" class="help-block">{{ field.help_text }}</span>
-                                        {% endif %}
-                                    </div>
-
-                                    {% if field.errors %}
-                                        <div class="alert alert-danger alert-dismissible clearfix" role="alert">
-                                            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
-                                                <span aria-hidden="true">&times;</span>
-                                            </button>
-                                            <ul>
-                                                {% for error in field.errors %}
-                                                    <li>{{ error }}</li>
-                                                {% endfor %}
-                                            </ul>
-                                        </div>
-                                    {% endif %}
-                                </div>
-                            {% endfor %}
-
-                            <div class="form-group">
-                                <div class="col-md-12 text-center">
-                                    <p><b>{% trans 'The file size shouldnt exceed 10MB' %}</b></p>
-                                </div>
-                            </div>
-
-                            <div class="form-group">
-                                <div class="col-md-12">
-                                     <button type="button" class="btn btn-default btn-raised" data-dismiss="modal">{% trans "Close" %}</button>
-                                    <button class="btn btn-raised btn-primary" type="submit">{% trans 'Submit' %}</button>
-                                </div>
-                            </div>
-                        </fieldset>
-                    </form>
-                <!-- .end Card -->
-              </div>
-            </div>
-        </div>
-    </div>
-</div>
-
-{% block script_file %}
-
-    {# // <script src="{% static 'js/file.js' %}"></script> #}
-    <script type="text/javascript">
-      $("#form-update-exercise").submit(function(event) {
-            var data = new FormData($('#form-update-exercise').get(0));
-            $.ajax({
-                url: "{% url 'course:exercise:update_exercise' exercise.slug %}",
-                type: $("#form-update-exercise").attr('method'),
-                data: data,
-                cache: false,
-                processData: false,
-                contentType: false,
-                success: function(data) {
-                    $('#Carrinho').modal('hide');
-                    $('#file_edit_{{ exercise.slug }}').replaceWith(data);
-                    $('#file_{{ exercise.slug }}').replaceWith(data);
-                },
-                error: function(data){
-                    $('.erro-update').html(data.responseText);
-                    $('.modal-backdrop').remove();
-                    $('#Carrinho').modal();
-                }
-            });
-            event.preventDefault();
-          });
-  </script>
-{% endblock script_file %}
-<!-- EndModal -->
\ No newline at end of file
diff --git a/exercise/templatetags/__init__.py b/exercise/templatetags/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/exercise/templatetags/__init__.py
+++ /dev/null
diff --git a/exercise/templatetags/list_topic_exercises.py b/exercise/templatetags/list_topic_exercises.py
deleted file mode 100644
index 19d6a46..0000000
--- a/exercise/templatetags/list_topic_exercises.py
+++ /dev/null
@@ -1,25 +0,0 @@
-from django import template
-from exercise.models import Exercise
-
-register = template.Library()
-
-
-@register.inclusion_tag('exercise/exercise_list.html')
-def list_topic_exercise(request, topic):
-    context = {
-        'request': request,
-    }
-    context['exercises'] = Exercise.objects.filter(topic=topic)
-
-    return context
-
-
-@register.inclusion_tag('exercise/exercise_edit.html')
-def list_topic_exercise_edit(request, topic):
-    context = {
-        'request': request,
-    }
-    context['exercises'] = Exercise.objects.filter(topic=topic)
-    context['topic'] = topic
-
-    return context
diff --git a/exercise/tests.py b/exercise/tests.py
deleted file mode 100644
index 7ce503c..0000000
--- a/exercise/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/exercise/urls.py b/exercise/urls.py
deleted file mode 100644
index d2ac137..0000000
--- a/exercise/urls.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from django.conf.urls import url
-from . import views
-
-urlpatterns = [
-    url(r'^create_exercise/(?P<slug>[\w_-]+)/$', views.CreateExercise.as_view(), name='create_exercise'),
-    url(r'^delete_exercise/(?P<slug>[\w_-]+)/$', views.DeleteExercise.as_view(), name='delete_exercise'),
-    url(r'^update_exercise/(?P<slug>[\w_-]+)/$', views.UpdateExercise.as_view(), name='update_exercise'),
-    url(r'^render-exercise/(?P<id>[0-9]+)/$', views.render_exercise, name='render_exercise'),
-]
diff --git a/exercise/views.py b/exercise/views.py
deleted file mode 100644
index c765fe1..0000000
--- a/exercise/views.py
+++ /dev/null
@@ -1,253 +0,0 @@
-from .forms import ExerciseForm, UpdateExerciseForm
-from .models import Exercise
-from core.decorators import log_decorator
-from core.mixins import LogMixin, NotificationMixin
-from core.models import Log, MimeType
-from courses.models import Topic
-from datetime import datetime
-from django.conf import settings
-from django.contrib import messages
-from django.contrib.auth.mixins import LoginRequiredMixin
-from django.core.urlresolvers import reverse_lazy
-from django.shortcuts import render, get_object_or_404, redirect
-from django.urls import reverse
-from django.views import generic
-from files.utils import mime_type_to_material_icons
-from rolepermissions.mixins import HasRoleMixin
-from rolepermissions.verifications import has_role
-from users.models import User
-
-
-class CreateExercise(LoginRequiredMixin, HasRoleMixin, LogMixin, NotificationMixin, generic.CreateView):
-    log_component = 'exercise'
-    log_resource = 'exercise'
-    log_action = 'create'
-    log_component = {}
-
-    allowed_roles = ['professor', 'student']
-    login_url = reverse_lazy("core:home")
-    redirect_field_name = 'next'
-    model = Exercise
-    template_name = 'exercise/create_exercise.html'
-    form_class = ExerciseForm
-    success_url = reverse_lazy('course:exercise:render_exercise')
-
-    log_component = "subject"
-    log_resource = "exercise"
-    log_action = "create"
-    log_context = {}
-
-    def form_invalid(self, form, **kwargs):
-        context = super(CreateExercise, self).form_invalid(form)
-        context.status_code = 400
-
-        return context
-
-    def form_valid(self, form):
-        self.object = form.save(commit = False)
-        topic = get_object_or_404(Topic, slug = self.kwargs.get('slug'))
-        self.object.topic = topic
-
-        # Set MimeType
-        exercise = self.request.FILES['file']
-        try:
-            if exercise:
-                exercise_type = exercise.content_type
-
-                # Check if exist a mimetype in database
-                try:
-                    self.object.file_type = MimeType.objects.get(typ = exercise_type)
-                # Create if not
-                except:
-                    mtype = MimeType.objects.create(
-                        typ = exercise_type,
-                        icon = mime_type_to_material_icons[exercise_type]
-                    )
-                    mtype.save()
-                    self.object.file_type = mtype
-        except:
-            print('Exercise not uploaded')
-
-        self.object.save()
-        self.object.professors = topic.subject.professors.all()
-        self.object.students = topic.subject.students.all()
-        self.object.save()
-        #CREATE LOG 
-        self.log_context['topic_id'] = topic.id
-        self.log_context['topic_name'] = topic.name
-        self.log_context['topic_slug'] = topic.slug
-        self.log_context['subject_id'] = topic.subject.id
-        self.log_context['subject_name'] = topic.subject.name
-        self.log_context['subject_slug'] = topic.subject.slug
-
-        super(CreateExercise, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
-
-
-
-        #CREATE NOTIFICATION
-        super(CreateExercise, self).createNotification(message="uploaded a Exercise "+ self.object.name_exercise, actor=self.request.user,
-            resource_name=self.object.name_exercise, resource_link= reverse('course:view_topic', args=[self.object.topic.slug]), 
-            users=self.object.topic.subject.students.all())
-
-        self.log_context['exercise_id'] = self.object.id
-        self.log_context['exercise_name'] = self.object.name_exercise
-        self.log_context['topic_id'] = self.object.topic.id
-        self.log_context['topic_name'] = self.object.topic.name
-        self.log_context['topic_slug'] = self.object.topic.slug
-        self.log_context['subject_id'] = self.object.topic.subject.id
-        self.log_context['subject_name'] = self.object.topic.subject.name
-        self.log_context['subject_slug'] = self.object.topic.subject.slug
-        self.log_context['course_id'] = self.object.topic.subject.course.id
-        self.log_context['course_name'] = self.object.topic.subject.course.name
-        self.log_context['course_slug'] = self.object.topic.subject.course.slug
-        self.log_context['course_category_id'] = self.object.topic.subject.course.category.id
-        self.log_context['course_category_name'] = self.object.topic.subject.course.category.name
-
-        super(CreateExercise, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
-
-        return self.get_success_url()
-
-    def get_context_data(self, **kwargs):
-        context = super(CreateExercise, self).get_context_data(**kwargs)
-        topic = get_object_or_404(Topic, slug=self.kwargs.get('slug'))
-        context['topic'] = topic
-        context['subject'] = topic.subject
-        context['subjects'] = topic.subject.course.subjects.all()
-        context['form'] = self.form_class
-
-        try:
-            context['latest_exercise'] = Exercise.objects.latest('id')
-        except:
-            pass
-        return context
-
-    def get_success_url(self):
-        self.success_url = redirect('course:exercise:render_exercise', id = self.object.id)
-        
-        return self.success_url
-
-
-def render_exercise(request, id):
-    template_name = 'exercise/render_exercise.html'
-    exercise = get_object_or_404(Exercise, id = id)
-
-    context = {
-        'exercise': exercise
-    }
-
-    log_context = {}
-    log_context['exercise_id'] = exercise.id
-    log_context['exercise_name'] = exercise.name_exercise
-    log_context['topic_id'] = exercise.topic.id
-    log_context['topic_name'] = exercise.topic.name
-    log_context['topic_slug'] = exercise.topic.slug
-    log_context['subject_id'] = exercise.topic.subject.id
-    log_context['subject_name'] = exercise.topic.subject.name
-    log_context['subject_slug'] = exercise.topic.subject.slug
-    log_context['course_id'] = exercise.topic.subject.course.id
-    log_context['course_name'] = exercise.topic.subject.course.name
-    log_context['course_slug'] = exercise.topic.subject.course.slug
-    log_context['course_category_id'] = exercise.topic.subject.course.category.id
-    log_context['course_category_name'] = exercise.topic.subject.course.category.name
-
-    request.log_context = log_context
-
-    return render(request, template_name, context)
-
-
-class UpdateExercise(LoginRequiredMixin, HasRoleMixin, LogMixin, generic.UpdateView):
-    log_component = 'exercise'
-    log_resource = 'exercise'
-    log_action = 'update'
-    log_context = {}
-
-    allowed_roles = ['student']
-    login_url = reverse_lazy("core:home")
-    redirect_field_name = 'next'
-    model = Exercise
-    template_name = 'exercise/update_exercise.html'
-    form_class = UpdateExerciseForm
-    context_object_name = 'exercise'
-    success_url = reverse_lazy('course:exercise:render_exercise')
-
-    def form_invalid(self, form, **kwargs):
-        context = super(UpdateExercise, self).form_invalid(form)
-        context.status_code = 400
-
-        return context
-
-    
-    def form_valid(self, form):
-        self.object = form.save()
-
-        self.log_context['exercise_id'] = self.object.id
-        self.log_context['exercise_name'] = self.object.name
-        self.log_context['topic_id'] = self.object.topic.id
-        self.log_context['topic_name'] = self.object.topic.name
-        self.log_context['topic_slug'] = self.object.topic.slug
-        self.log_context['subject_id'] = self.object.topic.subject.id
-        self.log_context['subject_name'] = self.object.topic.subject.name
-        self.log_context['subject_slug'] = self.object.topic.subject.slug
-        self.log_context['course_id'] = self.object.topic.subject.course.id
-        self.log_context['course_name'] = self.object.topic.subject.course.name
-        self.log_context['course_slug'] = self.object.topic.subject.course.slug
-        self.log_context['course_category_id'] = self.object.topic.subject.course.category.id
-        self.log_context['course_category_name'] = self.object.topic.subject.course.category.name
-
-        super(UpdateExercise, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
-
-        return super(UpdateExercise, self).form_valid(form)
-
-    def get_object(self, queryset=None):
-        return get_object_or_404(Exercise, slug = self.kwargs.get('slug'))
-
-    def get_success_url(self):
-        self.success_url = reverse_lazy('course:exercise:render_exercise', args = (self.object.id, ))
-        
-        return self.success_url
-
-
-class DeleteExercise(LoginRequiredMixin, HasRoleMixin, LogMixin, generic.DeleteView):
-    log_component = 'exercise'
-    log_resource = 'exercise'
-    log_action = 'delete'
-    log_context = {}
-
-    allowed_roles = ['student']
-    login_url = reverse_lazy("core:home")
-    redirect_field_name = 'next'
-    model = Exercise
-    template_name = 'exercise/delete_exercise.html'
-
-    def dispatch(self, *args, **kwargs):
-        exercise = get_object_or_404(Exercise, slug = self.kwargs.get('slug'))
-        if(not (exercise.topic.owner == self.request.user) and not(has_role(self.request.user, 'system_admin')) ):
-            return self.handle_no_permission()
-        return super(DeleteExercise, self).dispatch(*args, **kwargs)
-
-    def get_context_data(self, **kwargs):
-        context = super(DeleteExercise, self).get_context_data(**kwargs)
-        context['course'] = self.object.topic.subject.course
-        context['subject'] = self.object.topic.subject
-        context['exercise'] = self.object
-        context["topic"] = self.object.topic
-        return context
-
-    def get_success_url(self):
-        self.log_context['exercise_id'] = self.object.id
-        self.log_context['exercise_name'] = self.object.name
-        self.log_context['topic_id'] = self.object.topic.id
-        self.log_context['topic_name'] = self.object.topic.name
-        self.log_context['topic_slug'] = self.object.topic.slug
-        self.log_context['subject_id'] = self.object.topic.subject.id
-        self.log_context['subject_name'] = self.object.topic.subject.name
-        self.log_context['subject_slug'] = self.object.topic.subject.slug
-        self.log_context['course_id'] = self.object.topic.subject.course.id
-        self.log_context['course_name'] = self.object.topic.subject.course.name
-        self.log_context['course_slug'] = self.object.topic.subject.course.slug
-        self.log_context['course_category_id'] = self.object.topic.subject.course.category.id
-        self.log_context['course_category_name'] = self.object.topic.subject.course.category.name
-
-        super(DeleteExercise, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
-
-        return reverse_lazy('course:view_topic', kwargs={'slug' : self.object.topic.slug})
\ No newline at end of file
--
libgit2 0.21.2