selection.py

from django import forms
from haystack.forms import SearchForm
from datetime import datetime, timedelta

ORDER_BY_CHOICES = (
    ('r', "Relevance"),
    ('d', "Descending"),
    ('a', "Ascending")
)

DATE_RANGE_CHOICES = (
    (0, 'Anytime'),
    (24, 'Past 24 hours'),
    (168, 'Past week'),
    (720, 'Past month'),
    (8760, 'Past year')
)

class DDSearchForm(SearchForm):
    o = forms.MultipleChoiceField(required=False, widget=forms.Select, choices=ORDER_BY_CHOICES)
    d = forms.MultipleChoiceField(required=False, widget=forms.Select, choices=DATE_RANGE_CHOICES)
    
    def search(self):
        print "In dd.search.forms.DDSearchForm.search()"
        queryset = super(DDSearchForm, self).search()

        if not self.is_valid():
            print "dd.search.forms.DDSearchForm.search: Returning No Query Found"
            return self.no_query_found()

        if self.cleaned_data['o'] == "d":
            queryset = queryset.order_by('-pub_date')
        elif self.cleaned_data['o'] == "a":
            queryset = queryset.order_by('pub_date')

        '''if self.cleaned_data['d'] > 0:
            self.cleaned_data['d']
            start_date = datetime.now() - timedelta(days=)
            queryset = queryset.filter(pub_date__gte=start_date)'''

        return queryset