1"""
2per-queue NEW comments and permissions
4@contact: Debian FTP Master <ftpmaster@debian.org>
5@copyright: 2012 Ansgar Burchardt <ansgar@debian.org>
6@license: GNU General Public License version 2 or later
7"""
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, write to the Free Software
21# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23################################################################################
25import psycopg2
26from daklib.dak_exceptions import DBUpdateError
27from daklib.config import Config
29statements = [
30"""
31ALTER TABLE new_comments
32ADD COLUMN policy_queue_id INTEGER REFERENCES policy_queue(id)
33""",
35"""
36UPDATE new_comments
37SET policy_queue_id = (SELECT id FROM policy_queue WHERE queue_name = 'new')
38""",
40"""
41ALTER TABLE new_comments ALTER COLUMN policy_queue_id SET NOT NULL
42""",
44"""
45CREATE OR REPLACE FUNCTION trigger_check_policy_queue_permission() RETURNS TRIGGER
46SET search_path = public, pg_temp
47LANGUAGE plpgsql
48AS $$
49DECLARE
50 v_row RECORD;
51 v_suite_id suite.id%TYPE;
52 v_policy_queue_name policy_queue.queue_name%TYPE;
53BEGIN
55 CASE TG_OP
56 WHEN 'INSERT', 'UPDATE' THEN
57 v_row := NEW;
58 WHEN 'DELETE' THEN
59 v_row := OLD;
60 ELSE
61 RAISE EXCEPTION 'Unexpected TG_OP (%)', TG_OP;
62 END CASE;
64 IF TG_OP = 'UPDATE' AND OLD.policy_queue_id != NEW.policy_queue_id THEN
65 RAISE EXCEPTION 'Cannot change policy_queue_id';
66 END IF;
68 SELECT suite_id, queue_name INTO STRICT v_suite_id, v_policy_queue_name
69 FROM policy_queue WHERE id = v_row.policy_queue_id;
70 IF NOT has_suite_permission(TG_OP, v_suite_id) THEN
71 RAISE EXCEPTION 'Not allowed to % in %', TG_OP, v_policy_queue_name;
72 END IF;
74 RETURN v_row;
76END;
77$$
78""",
80"""
81CREATE CONSTRAINT TRIGGER trigger_new_comments_permission
82 AFTER INSERT OR UPDATE OR DELETE
83 ON new_comments
84 FOR EACH ROW
85 EXECUTE PROCEDURE trigger_check_policy_queue_permission()
86""",
87]
89################################################################################
92def do_update(self):
93 print(__doc__)
94 try:
95 cnf = Config()
97 c = self.db.cursor()
99 for stmt in statements:
100 c.execute(stmt)
102 c.execute("UPDATE config SET value = '91' WHERE name = 'db_revision'")
103 self.db.commit()
105 except psycopg2.ProgrammingError as msg:
106 self.db.rollback()
107 raise DBUpdateError('Unable to apply sick update 91, rollback issued. Error message: {0}'.format(msg))