def _narrow_queryset(self, filter_list):
'''
Helper to narrow a queryset using a list of key-value tuples
'''
if not filter_list: return
for field, value in filter_list:
# Generally, django-haystack will use the correct _exact field
# for filtering on facets, but for custom query facets it doesn't
# so we just make sure that the _exact field is used.
value = check_parse_date(value)
value = self._solr_escape_value(value)
field = '%s_exact' % field if self.indexed_fields[field].faceted else field
self.queryset = self.queryset.narrow('%(field)s:%(value)s' % { 'field':field, 'value':value})
def _narrow_queryset(self, filter_list):
'''
Helper to narrow a queryset using a list of key-value tuples
'''
if not filter_list: return
for field, value in filter_list:
# Generally, django-haystack will use the correct _exact field
# for filtering on facets, but for custom query facets it doesn't
# so we just make sure that the _exact field is used.
value = check_parse_date(value)
value = self._solr_escape_value(value)
field = '%s_exact' % field if self.indexed_fields[
field].faceted else field
self.queryset = self.queryset.narrow('%(field)s:%(value)s' % {
'field': field,
'value': value
})
def _parse_date_facets(self, facet_items):
'''
Parse date faceted fields like:
{'departure_dates': {'2010-04-24T18:17:03Z': 105,
'2010-05-01T00:00:00Z': 323,
'2010-06-01T00:00:00Z': 334,
'2010-07-01T00:00:00Z': 468,
'2010-08-01T00:00:00Z': 504,
'2010-09-01T00:00:00Z': 515,
'2010-10-01T00:00:00Z': 519,
'2010-11-01T00:00:00Z': 478,
'2010-12-01T00:00:00Z': 457,
'2011-01-01T00:00:00Z': 370,
'2011-02-01T00:00:00Z': 357,
'2011-03-01T00:00:00Z': 370,
'2011-04-01T00:00:00Z': 359,
'end': '2011-05-01T00:00:00Z',
'gap': '+1MONTH/MONTH'}}
'''
facets = []
for field, date_counts in facet_items.iteritems():
facet = Facet(field=field, label=field.replace('_', ' ').title())
gap = date_counts['gap']
for date_string, count in date_counts.iteritems():
match = DATETIME_REGEX.search(date_string)
if not match: continue
data = match.groupdict()
date = datetime_safe.date(int(data['year']),
int(data['month']), int(data['day']))
item = FacetItem(date, count)
if gap == '+1MONTH/MONTH':
item.label = date.strftime("%B")
item.value = date.strftime("%Y-%m")
elif gap == '+1YEAR/YEAR':
item.label = date.strftime("%Y")
item.value = date.strftime("%Y-01")
item.is_selected = self._is_selected_facet(
field, check_parse_date(item.value))
item.facet = facet
facet.items.append(item)
facet.items.sort(key=lambda x: x.value)
facets.append(facet)
return facets
def _parse_date_facets(self, facet_items):
'''
Parse date faceted fields like:
{'departure_dates': {'2010-04-24T18:17:03Z': 105,
'2010-05-01T00:00:00Z': 323,
'2010-06-01T00:00:00Z': 334,
'2010-07-01T00:00:00Z': 468,
'2010-08-01T00:00:00Z': 504,
'2010-09-01T00:00:00Z': 515,
'2010-10-01T00:00:00Z': 519,
'2010-11-01T00:00:00Z': 478,
'2010-12-01T00:00:00Z': 457,
'2011-01-01T00:00:00Z': 370,
'2011-02-01T00:00:00Z': 357,
'2011-03-01T00:00:00Z': 370,
'2011-04-01T00:00:00Z': 359,
'end': '2011-05-01T00:00:00Z',
'gap': '+1MONTH/MONTH'}}
'''
facets = []
for field, date_counts in facet_items.iteritems():
facet = Facet(field=field, label=field.replace('_', ' ').title())
gap = date_counts['gap']
for date_string, count in date_counts.iteritems():
match = DATETIME_REGEX.search(date_string)
if not match: continue
data = match.groupdict()
date = datetime_safe.date(int(data['year']), int(data['month']), int(data['day']))
item = FacetItem(date, count)
if gap == '+1MONTH/MONTH':
item.label=date.strftime("%B")
item.value=date.strftime("%Y-%m")
elif gap == '+1YEAR/YEAR':
item.label=date.strftime("%Y")
item.value=date.strftime("%Y-01")
item.is_selected = self._is_selected_facet(field, check_parse_date(item.value))
item.facet = facet
facet.items.append(item)
facet.items.sort(key=lambda x: x.value)
facets.append(facet)
return facets
