-from forum.models import Question\r
-\r
-def question_search(keywords, orderby):\r
- return Question.objects.filter(deleted=False).extra(\r
- select={\r
- 'ranking': "ts_rank_cd(tsv, plainto_tsquery(%s), 32)",\r
- },\r
- where=["tsv @@ plainto_tsquery(%s)"],\r
- params=[keywords],\r
- select_params=[keywords]\r
- ).order_by(orderby, '-ranking')
\ No newline at end of file
+import re
+from django.db.models import Q
+from forum.models.question import Question, QuestionManager
+from forum.modules import decorate
+
+repl_re = re.compile(r"^'|[^\'\-_\s\w]|'$", re.UNICODE)
+sing_quote_re = re.compile(r"\'+")
+
+@decorate(QuestionManager.search, needs_origin=False)
+def question_search(self, keywords):
+ tsquery = " | ".join([k for k in repl_re.sub('', sing_quote_re.sub("'", keywords.strip())).split(' ') if k])
+ ilike = keywords + u"%%"
+
+ return self.extra(
+ tables = ['forum_rootnode_doc'],
+ select={
+ 'ranking': """
+ rank_exact_matches(ts_rank_cd('{0.1, 0.2, 0.8, 1.0}'::float4[], "forum_rootnode_doc"."document", to_tsquery('english', %s), 32))
+ """,
+ },
+ where=["""
+ "forum_rootnode_doc"."node_id" = "forum_node"."id" AND ("forum_rootnode_doc"."document" @@ to_tsquery('english', %s) OR
+ "forum_node"."title" ILIKE %s)
+ """],
+ params=[tsquery, ilike],
+ select_params=[tsquery],
+ order_by=['-ranking']
+ )
+