middleware.py
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import time
import json
from django.core.urlresolvers import resolve
from django.shortcuts import get_object_or_404
from .models import Log
class TimeSpentMiddleware(object):
def __init__(self, get_response = None):
self.get_response = get_response
def process_request(self, request):
app_names = resolve(request.path).app_names
if not 'admin' in app_names:
if not request.is_ajax():
if not request.path.startswith('/uploads/'):
log_id = request.session.get('log_id', None)
if not log_id is None:
log = get_object_or_404(Log, id = 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()
request.session['log_id'] = None
if request.user.is_authenticated:
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()