def slugify_search_query(text):
from content.utils import normalize_query
import re
norm_query = normalize_query(text)
pattern = re.compile('[^a-zA-Z0-9+]')
alph_norm_query = [re.sub(pattern,'',t.replace(' ','+')) for t in norm_query]
return "_".join(alph_norm_query)
def get_search_query(query_string, search_fields):
"""
Returns a query, that is a combination of Q objects. That combination
aims to search keywords within a model by testing the given search fields.
"""
from django.db.models import Q
query = None # Query to search for every search term
terms = normalize_query(query_string)
for term in terms:
or_query = None # Query to search for a given term in each field
for field_name in search_fields:
q = Q(**{"%s__icontains" % field_name: term})
if or_query is None:
or_query = q
else:
or_query = or_query | q
if query is None:
query = or_query
else:
query = query | or_query
return query
