def save(self):
now = datetime.utcnow()
if not self.session['first_search']:
self.session['first_search'] = now
if self.session['nb_results']:
self.session['last_result'] = now
if self.session['nb_downloads']:
self.session['last_download'] = now
if self.session['nb_errors'] <= 1:
self.session['last_search'] = now
self.session['nb_processed'] += 1
MSearch.save(self, safe=True)
