discourse/app/models/user_search.rb
2013-02-07 09:35:38 -07:00

43 lines
No EOL
1.2 KiB
Ruby

class UserSearch
def self.search term, topic_id
User.find_by_sql sql(term, topic_id)
end
private
def self.sql term, topic_id
sql = "select username, name, email from users u "
if topic_id
sql << "left join (select distinct p.user_id from posts p where topic_id = :topic_id) s on
s.user_id = u.id "
end
if term.length > 0
sql << "where username_lower like :term_like or
to_tsvector('simple', name) @@
to_tsquery('simple',
regexp_replace(
regexp_replace(
cast(plainto_tsquery(:term) as text)
,'\''(?: |$)', ':*''', 'g'),
'''', '', 'g')
) "
end
sql << "order by case when username_lower = :term then 0 else 1 end asc, "
if topic_id
sql << " case when s.user_id is null then 0 else 1 end desc, "
end
sql << " case when last_seen_at is null then 0 else 1 end desc, last_seen_at desc, username asc limit(20)"
sanitize_sql_array(sql, topic_id: topic_id, term_like: "#{term}%", term: term)
end
def self.sanitize_sql_array *args
ActiveRecord::Base.send(:sanitize_sql_array, args)
end
end