def save_commercial_dates(self, project):
commercial = project.commercial
new = CommercialDateDetail.objects.filter(commercial=commercial).exists()
if new:
CommercialDateDetail.objects.filter(commercial=commercial).delete()
if self.data_commercial.get('dates') is not None:
for _commercial in self.data_commercial.get('dates'):
if _commercial.get('date') != '' and _commercial.get('date') != None:
commercial_detail = CommercialDateDetail()
commercial_detail.commercial = commercial
commercial_detail.date = self.format_date(_commercial.get('date'))
commercial_detail.save()
