+import re
+from django.db import connection, transaction
+from django.db.models import Q
from forum.models.question import Question, QuestionManager
-from forum.modules.decorators import decorate
+from forum.models.node import Node
+from forum.modules import decorate
+
+word_re = re.compile(r'\w+', re.UNICODE)
@decorate(QuestionManager.search, needs_origin=False)
def question_search(self, keywords):
- return self.extra(
- tables=['forum_rootnode_doc'],
- select={
- 'ranking': 'ts_rank_cd(\'{0.1, 0.2, 0.8, 1.0}\'::float4[], "forum_rootnode_doc"."document", plainto_tsquery(\'english\', %s), 32)',
- },
- where=['"forum_rootnode_doc"."node_id" = "forum_node"."id"', '"forum_rootnode_doc"."document" @@ plainto_tsquery(\'english\', %s)'],
- params=[keywords],
- select_params=[keywords],
- order_by=['-ranking']
- )
\ No newline at end of file
+ tsquery = " | ".join(word_re.findall(keywords))
+ ilike = keywords + u"%%"
+
+ return '-ranking', 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],
+ )
+
+
+@decorate(Node.delete)
+def delete(origin, self, *args, **kwargs):
+ cursor = connection.cursor()
+ cursor.execute("DELETE FROM forum_rootnode_doc WHERE node_id = %s" % (self.id))
+ transaction.commit_unless_managed()
+ return origin(self, *args, **kwargs)
+
+