diff --git a/amadeus/settings.py b/amadeus/settings.py
index e733a04..0075afc 100644
--- a/amadeus/settings.py
+++ b/amadeus/settings.py
@@ -72,6 +72,7 @@ MIDDLEWARE_CLASSES = [
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
     'django.middleware.locale.LocaleMiddleware',
 
+    'core.middleware.TimeSpentMiddleware',
     #libs-middleware
 
 ]
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diff --git a/amadeus/uploads/users/Captura_de_tela_de_2016-09-21_21-09-40.png b/amadeus/uploads/users/Captura_de_tela_de_2016-09-21_21-09-40.png
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diff --git a/core/middleware.py b/core/middleware.py
new file mode 100644
index 0000000..fe7da5e
--- /dev/null
+++ b/core/middleware.py
@@ -0,0 +1,40 @@
+from datetime import datetime
+from django.shortcuts import get_object_or_404
+import json
+
+from core.models import Log
+
+class TimeSpentMiddleware(object):
+	def __init__(self, get_response = None):
+		self.get_response = get_response
+
+	def process_request(self, request):
+		log_id = request.session.get('log_id', None)
+
+		if not log_id is None:
+			log = get_object_or_404(Log, id = log_id)
+
+			date_time_click = datetime.strptime(request.session.get('time_spent'), "%Y-%m-%d %H:%M:%S.%f")
+			_now = datetime.now()
+			
+			time_spent = _now - date_time_click
+			
+			secs = time_spent.total_seconds()
+			hours = int(secs / 3600)
+			minutes = int(secs / 60) % 60
+			secs = secs % 60
+
+			log_context = json.loads(log.context)
+
+			log_context['time_spent'] = {}
+			log_context['time_spent']['hours'] = hours
+			log_context['time_spent']['minutes'] = minutes
+			log_context['time_spent']['seconds'] = secs
+
+			log.context = json.dumps(log_context)
+
+			log.save()
+
+			request.session['log_id'] = None
+
+
--
libgit2 0.21.2