def build_query(self):
filters = []
for the_filter in self.query_filters:
filter_list = []
if the_filter.is_and():
filter_list.append("AND")
elif the_filter.is_not():
filter_list.append("NOT")
elif the_filter.is_or():
filter_list.append("OR")
filter_list.append(FILTER_SEPARATOR.join((the_filter.field, the_filter.filter_type)))
filter_list.append(the_filter.value)
if not len(filters):
del(filter_list[0])
filters.append(" ".join(filter_list))
query = " ".join(filters)
if self.order_by:
query = "%s ORDER BY %s" % (query, ", ".join(self.order_by))
return query
def __repr__(self):
join = 'AND'
if self.is_not():
join = 'NOT'
if self.is_or():
join = 'OR'
return '<QueryFilter: %s %s=%s>' % (join, FILTER_SEPARATOR.join((self.field, self.filter_type)), force_unicode(self.value).encode('utf8'))
def split_expression(self, expression):
"""Parses an expression and determines the field and filter type."""
parts = expression.split(FILTER_SEPARATOR)
if len(parts) > 1 and parts[-1] in VALID_FILTERS:
filter_type = parts.pop()
else:
filter_type = 'content'
field = FILTER_SEPARATOR.join(parts)
return (field, filter_type)
def build_query_fragment(self, field, filter_type, value):
result = ''
value = str(value)
# Check to see if it's a phrase for an exact match.
if ' ' in value:
value = '"%s"' % value
# 'content' is a special reserved word, much like 'pk' in
# Django's ORM layer. It indicates 'no special field'.
result = ' '.join([FILTER_SEPARATOR.join((field, filter_type)), value])
return result
def build_query_fragment(self, field, filter_type, value):
result = ''
value = force_unicode(value)
# Check to see if it's a phrase for an exact match.
if ' ' in value:
value = '"%s"' % value
index_fieldname = self.backend.site.get_index_fieldname(field)
# 'content' is a special reserved word, much like 'pk' in
# Django's ORM layer. It indicates 'no special field'.
result = ' '.join([FILTER_SEPARATOR.join((index_fieldname, filter_type)), value])
return result
def build_query_fragment(self, field, filter_type, value):
result = ''
value = force_unicode(value)
# Check to see if it's a phrase for an exact match.
if ' ' in value:
value = '"%s"' % value
index_fieldname = self.backend.site.get_index_fieldname(field)
# 'content' is a special reserved word, much like 'pk' in
# Django's ORM layer. It indicates 'no special field'.
result = ' '.join(
[FILTER_SEPARATOR.join((index_fieldname, filter_type)), value])
return result
