class SearchForm(FacetedSearchForm):
"""
In Haystack, the search form is used for interpretting
and sub-filtering the SQS.
"""
# Use a tabindex of 1 so that users can hit tab on any page and it will
# focus on the search widget.
q = forms.CharField(required=False,
label=_('Search'),
widget=SearchInput({
"placeholder":
_('Search for resources, recipes and questions'),
"tabindex":
"1",
"required":
""
}))
#includes the additional search parameters in a json-format
params = JSONFormField(required=False,
label=_('Params'),
widget=HiddenInput({"value": "{}"}))
# Search
RELEVANCY = "relevancy"
NEWEST = "newest"
PRICE_HIGH_TO_LOW = "price-desc"
PRICE_LOW_TO_HIGH = "price-asc"
TITLE_A_TO_Z = "title-asc"
TITLE_Z_TO_A = "title-desc"
SORT_BY_CHOICES = [
(RELEVANCY, _("Relevancy")),
(NEWEST, _("Newest")),
(PRICE_HIGH_TO_LOW, _("Price high To low")),
(PRICE_LOW_TO_HIGH, _("Price low To high")),
(TITLE_A_TO_Z, _("Title A to Z")),
(TITLE_Z_TO_A, _("Title Z to A")),
]
# Map query params to sorting fields. Note relevancy isn't included here
# as we assume results are returned in relevancy order in the absence of an
# explicit sort field being passed to the search backend.
SORT_BY_MAP = {
NEWEST: '-date_created',
PRICE_HIGH_TO_LOW: '-price',
PRICE_LOW_TO_HIGH: 'price',
TITLE_A_TO_Z: 'title_s',
TITLE_Z_TO_A: '-title_s',
}
# Non Solr backends don't support dynamic fields so we just sort on title
if 'solr' not in settings.HAYSTACK_CONNECTIONS['default']['ENGINE']:
SORT_BY_MAP[TITLE_A_TO_Z] = 'title'
SORT_BY_MAP[TITLE_Z_TO_A] = '-title'
sort_by = forms.ChoiceField(choices=SORT_BY_CHOICES,
widget=forms.Select(),
required=False)
def search(self):
# We replace the 'search' method from FacetedSearchForm, so that we can
# handle range queries
print self.selected_facets
print "json:"
try:
jsonParams = self.cleaned_data['params']
print jsonParams
sqs = self.defaultSearch()
sqs = self.priceRange(sqs, jsonParams)
#sqs = sqs.filter(product_class="compressed")
print jsonParams
return sqs
except KeyError:
raise Http404
return self.defaultSearch()
#set pricerange parameters
def priceRange(self, sqs, jsonParams):
try:
# Check to see if a price range was chosen.
if jsonParams["selectedPrice"] and jsonParams["selectedPrice"][
"min"]:
sqs = sqs.filter(price__gte=jsonParams["selectedPrice"]["min"])
else:
sqs = sqs.filter(price__gte=0.02)
# Check to see if a price range was chosen.
if jsonParams["selectedPrice"] and jsonParams["selectedPrice"][
"max"]:
sqs = sqs.filter(price__lte=jsonParams["selectedPrice"]["max"])
else:
sqs = sqs.filter(price__lte=1000)
except:
return sqs
return sqs
# execute search based only on q string. The default implementation of Haystack/Oscar.
def defaultSearch(self):
sqs = super(FacetedSearchForm, self).search()
# We need to process each facet to ensure that the field name and the
# value are quoted correctly and separately:
for facet in self.selected_facets:
if ":" not in facet:
continue
field, value = facet.split(":", 1)
if value:
if field == 'price_exact':
# Don't wrap value in speech marks and don't clean value
sqs = sqs.narrow(u'%s:%s' % (field, value))
else:
sqs = sqs.narrow(u'%s:"%s"' %
(field, sqs.query.clean(value)))
if self.is_valid() and 'sort_by' in self.cleaned_data:
sort_field = self.SORT_BY_MAP.get(self.cleaned_data['sort_by'],
None)
if sort_field:
sqs = sqs.order_by(sort_field)
return sqs
class OptionalForm(forms.Form):
json = JSONFormField(required=False)
class EvalForm(forms.Form):
json = JSONFormField(evaluate=True)
class TestForm(forms.Form):
json = JSONFormField()
class form_class(forms.Form):
labels = JSONFormField()
parent = JSONFormField(required=False)
code = JSONFormField(required=False)
ordernr = JSONFormField(required=False)
class form_class(forms.Form):
moves = JSONFormField(required=False)
hides = JSONFormField(required=False)
reorders = JSONFormField(required=False)
class form_class(forms.Form):
code = JSONFormField()
label = forms.CharField()
labels = JSONFormField(required=False)
parent = JSONFormField(required=False)
class form_class(forms.Form):
parent = JSONFormField(required=False)
label = forms.CharField()
ordernr = JSONFormField(required=False)