views.py 文件源码

def get_form_kwargs(self, **kwargs):
        '''
        Get the list of recent months and recent series to pass to the form
        '''

        numMonths = 12
        lastStart = Event.objects.annotate(Min('eventoccurrence__startTime')).order_by('-eventoccurrence__startTime__min').values_list('eventoccurrence__startTime__min',flat=True).first()
        if lastStart:
            month = lastStart.month
            year = lastStart.year
        else:
            month = timezone.now().month
            year = timezone.now().year

        months = [('',_('None'))]
        for i in range(0,numMonths):
            newmonth = (month - i - 1) % 12 + 1
            newyear = year
            if month - i - 1 < 0:
                newyear = year - 1
            newdate = datetime(year=newyear,month=newmonth,day=1)
            newdateStr = newdate.strftime("%m-%Y")
            monthStr = newdate.strftime("%B, %Y")
            months.append((newdateStr,monthStr))

        cutoff = timezone.now() - timedelta(days=120)

        allEvents = Event.objects.filter(startTime__gte=cutoff).order_by('-startTime')

        kwargs = super(SendEmailView, self).get_form_kwargs(**kwargs)
        kwargs.update({
            "months": months,
            "recentseries": [('','None')] + [(x.id,'%s %s: %s' % (month_name[x.month],x.year,x.name)) for x in allEvents],
            "customers": self.customers,
        })
        return kwargs