diff --git a/core/decorators.py b/core/decorators.py
index 63d1e53..88b5b9d 100644
--- a/core/decorators.py
+++ b/core/decorators.py
@@ -1,6 +1,8 @@
 from django.conf import settings
 import json
+import time
 from functools import wraps
+from django.shortcuts import get_object_or_404
 from .models import Action, Resource, Action_Resource, Log, Notification
 
 def log_decorator(log_component = '', log_action = '', log_resource = ''):
@@ -38,7 +40,6 @@ def log_decorator(log_component = '', log_action = '', log_resource = ''):
 				log = Log()
 				log.user = request.user
 				log.component = log_component
-				#log.context = json.dumps(request.log_context)
 				log.context = request.log_context
 				log.action_resource = action_resource
 
@@ -51,6 +52,75 @@ def log_decorator(log_component = '', log_action = '', log_resource = ''):
 	return _log_decorator
 
 
+def log_decorator_ajax(log_component = '', log_action = '', log_resource = ''):
+
+	def _log_decorator_ajax(view_function):
+
+		def _decorator(request, *args, **kwargs):
+			view_action = request.GET.get("action")
+
+			if view_action == 'open':
+				if request.user.is_authenticated:
+					action = Action.objects.filter(name = log_action)
+					resource = Resource.objects.filter(name = log_resource)
+
+					if not action:
+						action = Action(name = log_action)
+						action.save()
+					else:
+						action = action[0]
+
+					if not resource:
+						resource = Resource(name = log_resource)
+						resource.save()
+					else:
+						resource = resource[0]
+
+					action_resource = Action_Resource.objects.filter(action = action, resource = resource)
+
+					if not action_resource:
+						action_resource = Action_Resource(action = action, resource = resource)
+						action_resource.save()
+					else:
+						action_resource = action_resource[0]
+
+					log = Log()
+					log.user = request.user
+					log.component = log_component
+					log.context = ""
+					log.action_resource = action_resource
+
+					log.save()
+
+					response = view_function(request, *args, **kwargs)
+					
+					log = Log.objects.latest('id')
+					log.context = request.log_context
+					log.save()
+			elif view_action == 'close':
+				if request.user.is_authenticated:
+					log = get_object_or_404(Log, id = request.GET.get('log_id'))
+
+					if type(log.context) == dict:
+						log_context = log.context
+					else:
+						log_context = json.loads(log.context)
+
+					log_context['timestamp_end'] = str(int(time.time()))
+
+					log.context = log_context
+
+					log.save()
+
+					response = view_function(request, *args, **kwargs)
+
+			return response
+
+		return wraps(view_function)(_decorator)
+
+	return _log_decorator_ajax
+
+
 def notification_decorator(read = False, message = '', actor = None, users = [], not_action='', not_resource='', resource_link=''):
 
 	def _notification_decorator(view_function):
diff --git a/core/middleware.py b/core/middleware.py
index 0dae756..0107aee 100644
--- a/core/middleware.py
+++ b/core/middleware.py
@@ -32,3 +32,17 @@ class TimeSpentMiddleware(object):
 					log.save()
 
 					request.session['log_id'] = None
+
+					oppened_logs = Log.objects.filter(user = request.user, context__contains={'timestamp_end': '-1'})
+
+					for op_log in oppened_logs:
+						if type(op_log.context) == dict:
+							log_context = op_log.context
+						else:
+							log_context = json.loads(op_log.context)
+
+						log_context['timestamp_end'] = str(int(time.time()))
+
+						op_log.context = log_context
+
+						op_log.save()
diff --git a/courses/static/js/topic.js b/courses/static/js/topic.js
new file mode 100644
index 0000000..3ae9649
--- /dev/null
+++ b/courses/static/js/topic.js
@@ -0,0 +1,30 @@
+function openTopic(url, topic, btn) {
+    var icon = btn.find('i');
+    var action = '', log_id;
+
+    if (icon.hasClass('fa-caret-square-o-down')) {
+        icon.removeClass('fa-caret-square-o-down');
+        icon.addClass('fa-caret-square-o-up');
+        action = 'open';
+        log_id = -1;
+    } else {
+        icon.addClass('fa-caret-square-o-down');
+        icon.removeClass('fa-caret-square-o-up');
+        action = 'close';
+        log_id = $(".topic_" + topic).find(".log_id").val();
+    }
+
+    $.ajax({
+        url: url,
+        data: {"action": action, "log_id": log_id},
+        dataType: 'json',
+        success: function (data) {
+           if (action == 'open') {
+                $(".topic_" + topic).find(".log_id").val(data.log_id);           
+           }
+        },
+        error: function(data) {
+            console.log('Error');
+        }
+    });
+}
\ No newline at end of file
diff --git a/courses/templates/subject/form_view_student.html b/courses/templates/subject/form_view_student.html
index a09929e..72aebda 100644
--- a/courses/templates/subject/form_view_student.html
+++ b/courses/templates/subject/form_view_student.html
@@ -6,6 +6,7 @@
       <script src="{% static 'js/file.js' %}"></script>
       <script type="text/javascript" src="{% static 'js/material.js' %}"></script>
       <script type = "text/javascript" src="{% static 'links.js' %}"></script>
+      <script type="text/javascript" src="{% static 'js/topic.js' %}"></script>
   {% endblock %}
 <div class="cards-detail">
   <div class="panel-group accordion ui-accordion ui-widget ui-helper-reset ui-sortable" role="tablist" aria-multiselectable="false">
@@ -13,7 +14,7 @@
       <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-{{topic.slug}}" href=".collapseTopic-{{topic.slug}}" aria-expanded="false" aria-controls="collapseTopic-{{topic.slug}}">
-          <button class="btn btn-default btn-sm caret-square"><i class="fa fa-caret-square-o-down fa-2x" aria-hidden="true"></i></button>
+          <button class="btn btn-default btn-sm caret-square" onclick="openTopic('{% url 'course:topic_log' topic.id %}', '{{topic.id}}', $(this));"><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="{% url 'course:view_topic' topic.slug %}" role="button">
@@ -22,7 +23,7 @@
         </div>
       </div>
     </div>
-    <div class="panel-collapse collapseTopic-{{topic.slug}} collapse in" role="tabpanel" aria-labelledby="heading_{{topic.id}}" aria-expanded="true" aria-hidden="false">
+    <div class="panel-collapse collapseTopic-{{topic.slug}} collapse" role="tabpanel" aria-labelledby="heading_{{topic.id}}" aria-expanded="false" aria-hidden="true">
       <div class="panel-body">
         <div class="presentation">
           <p>
@@ -32,8 +33,7 @@
           </p>
 
         </div>
-      </div>
-    </div>
+     
 
     {% if not professor_links %}
       <div class="row">
@@ -82,4 +82,6 @@
         {% include "links/update_link.html" %}
     {% endif %}
     </div>
+    </div>
+     </div>
     </div>
\ No newline at end of file
diff --git a/courses/templates/subject/form_view_teacher.html b/courses/templates/subject/form_view_teacher.html
index b1ca3b7..052db49 100644
--- a/courses/templates/subject/form_view_teacher.html
+++ b/courses/templates/subject/form_view_teacher.html
@@ -1,10 +1,12 @@
 {% load static i18n list_topic_foruns permission_tags widget_tweaks professor_access list_topic_exercises %}
 
+<script type="text/javascript" src="{% static 'js/topic.js' %}"></script>
+
 <div class="panel panel-default cards-detail">
   <div class="panel-heading topic">
     <div class="row">
       <div class="col-md-1 moreAccordion" data-toggle="collapse" data-parent="#accordion-{{topic.slug}}" href=".collapseTopic-{{topic.slug}}" aria-expanded="false" aria-controls="collapseTopic-{{topic.slug}}">
-        <button class="btn btn-default btn-sm caret-square"><i class="fa fa-caret-square-o-down fa-2x" aria-hidden="true"></i></button>
+        <button class="btn btn-default btn-sm caret-square" onclick="openTopic('{% url 'course:topic_log' topic.id %}', '{{topic.id}}', $(this));"><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="{% url 'course:view_topic' topic.slug %}" role="button">
@@ -32,7 +34,8 @@
       </div>
     </div>
   </div>
-  <div class="panel-collapse collapseTopic-{{topic.slug}} topic_{{ topic.id }} collapse in" role="tabpanel" aria-labelledby="heading_{{topic.id}}" aria-expanded="true" aria-hidden="false">
+  <div class="panel-collapse collapseTopic-{{topic.slug}} topic_{{ topic.id }} collapse" role="tabpanel" aria-labelledby="heading_{{topic.id}}" aria-expanded="false" aria-hidden="true">
+    <input type="hidden" class="log_id" />
     <div class="panel-body">
 
       {# dados do tópico no modo de visualização #}
diff --git a/courses/urls.py b/courses/urls.py
index dc95afe..e86872c 100644
--- a/courses/urls.py
+++ b/courses/urls.py
@@ -34,6 +34,7 @@ urlpatterns = [
     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'^$', views.CourseView.as_view(), name='view'),
         url(r'^(?P<category>[\w_-]+)/$', views.CourseView.as_view(), name='view_filter')
diff --git a/courses/views.py b/courses/views.py
index d7678c8..32045fe 100644
--- a/courses/views.py
+++ b/courses/views.py
@@ -1,6 +1,6 @@
 from .forms import CourseForm, UpdateCourseForm, CategoryCourseForm, SubjectForm,TopicForm,ActivityForm
 from .models import Course, Subject, CourseCategory, Topic, SubjectCategory, Activity, CategorySubject
-from core.decorators import log_decorator
+from core.decorators import log_decorator, log_decorator_ajax
 from core.mixins import LogMixin, NotificationMixin
 from core.models import Log
 from courses.models import Material
@@ -482,6 +482,7 @@ class UpdateCatView(LoginRequiredMixin, HasRoleMixin, generic.UpdateView):
         messages.success(self.request, _('Category "%s" updated successfully!')%(objeto))
         #return reverse_lazy('course:update_cat', kwargs={'slug' : self.object.slug})
         return reverse_lazy('course:manage_cat')
+
 class DeleteCatView(LoginRequiredMixin, HasRoleMixin, generic.DeleteView):
 
     allowed_roles = ['professor', 'system_admin']
@@ -970,6 +971,35 @@ class FileMaterialView(LoginRequiredMixin, LogMixin, generic.DetailView):
 
         return super(FileMaterialView, self).dispatch(*args, **kwargs)
 
+@login_required
+@log_decorator_ajax("courses", "viewed", "topic")
+def topic_log(request, topic):
+    action = request.GET.get('action')
+
+    if action == 'open':
+        topic = get_object_or_404(Topic, id = topic)
+        log_context = {}
+        log_context['topic_id'] = topic.id
+        log_context['topic_name'] = topic.name
+        log_context['topic_slug'] = topic.slug
+        log_context['subject_id'] = topic.subject.id
+        log_context['subject_name'] = topic.subject.name
+        log_context['subject_slug'] = topic.subject.slug
+        log_context['course_id'] = topic.subject.course.id
+        log_context['course_name'] = topic.subject.course.name
+        log_context['course_slug'] = topic.subject.course.slug
+        log_context['course_category_id'] = topic.subject.course.category.id
+        log_context['course_category_name'] = topic.subject.course.category.name
+        log_context['timestamp_start'] = str(int(time.time()))
+        log_context['timestamp_end'] = "-1"
+        request.log_context = log_context
+        log_id = Log.objects.latest('id').id
+
+        response = JsonResponse({"message": "ok", "log_id": log_id})
+    else:
+        response = JsonResponse({"message": "ok"})
+
+    return response
 
 #API VIEWS
 class CourseViewSet(viewsets.ModelViewSet):
--
libgit2 0.21.2