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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
package Bugzilla::Extension::ZPushNotify;
use 5.10.1;
use strict;
use warnings;
use base qw(Bugzilla::Extension);
our $VERSION = '1';
use Bugzilla;
#
# insert into the notifications table
#
sub _notify {
my ($bug_id, $delta_ts) = @_;
# beacuse the push_notify table is hot, we defer updating it until the
# request has completed. this ensures we are outside the scope of any
# transaction blocks.
my $stash = Bugzilla->request_cache->{ZPushNotify_stash} ||= [];
push @$stash, { bug_id => $bug_id, delta_ts => $delta_ts };
}
sub request_cleanup {
my $stash = Bugzilla->request_cache->{ZPushNotify_stash}
|| return;
my $dbh = Bugzilla->dbh;
foreach my $rh (@$stash) {
# using REPLACE INTO or INSERT .. ON DUPLICATE KEY UPDATE results in a
# lock on the bugs table due to the FK. this way is more verbose but
# only locks the push_notify table.
$dbh->bz_start_transaction();
my ($id) = $dbh->selectrow_array(
"SELECT id FROM push_notify WHERE bug_id=?",
undef,
$rh->{bug_id}
);
if ($id) {
$dbh->do(
"UPDATE push_notify SET delta_ts=? WHERE id=?",
undef,
$rh->{delta_ts}, $id
);
}
else {
$dbh->do(
"INSERT INTO push_notify (bug_id, delta_ts) VALUES (?, ?)",
undef,
$rh->{bug_id}, $rh->{delta_ts}
);
}
$dbh->bz_commit_transaction();
}
}
#
# object hooks
#
sub object_end_of_create {
my ($self, $args) = @_;
my $object = $args->{object};
return unless Bugzilla->params->{enable_simple_push};
return unless $object->isa('Bugzilla::Flag');
_notify($object->bug->id, $object->creation_date);
}
sub flag_updated {
my ($self, $args) = @_;
my $flag = $args->{flag};
my $timestamp = $args->{timestamp};
my $changes = $args->{changes};
return unless Bugzilla->params->{enable_simple_push};
return unless scalar(keys %$changes);
_notify($flag->bug->id, $timestamp);
}
sub flag_deleted {
my ($self, $args) = @_;
my $flag = $args->{flag};
my $timestamp = $args->{timestamp};
return unless Bugzilla->params->{enable_simple_push};
_notify($flag->bug->id, $timestamp);
}
sub attachment_end_of_update {
my ($self, $args) = @_;
return unless Bugzilla->params->{enable_simple_push};
return unless scalar keys %{ $args->{changes} };
return unless my $object = $args->{object};
_notify($object->bug->id, $object->modification_time);
}
sub object_before_delete {
my ($self, $args) = @_;
return unless Bugzilla->params->{enable_simple_push};
return unless my $object = $args->{object};
if ($object->isa('Bugzilla::Attachment')) {
my $timestamp = Bugzilla->dbh->selectrow_array('SELECT LOCALTIMESTAMP(0)');
_notify($object->bug->id, $timestamp);
}
}
sub bug_end_of_update_delta_ts {
my ($self, $args) = @_;
return unless Bugzilla->params->{enable_simple_push};
_notify($args->{bug_id}, $args->{timestamp});
}
sub bug_end_of_create {
my ($self, $args) = @_;
return unless Bugzilla->params->{enable_simple_push};
_notify($args->{bug}->id, $args->{timestamp});
}
#
# schema / param
#
sub db_schema_abstract_schema {
my ($self, $args) = @_;
$args->{'schema'}->{'push_notify'} = {
FIELDS => [
id => {
TYPE => 'INTSERIAL',
NOTNULL => 1,
PRIMARYKEY => 1,
},
bug_id => {
TYPE => 'INT3',
NOTNULL => 1,
REFERENCES => {
TABLE => 'bugs',
COLUMN => 'bug_id',
DELETE => 'CASCADE'
},
},
delta_ts => {
TYPE => 'DATETIME',
NOTNULL => 1,
},
],
INDEXES => [
push_notify_idx => {
FIELDS => [ 'bug_id' ],
TYPE => 'UNIQUE',
},
],
};
}
sub config_modify_panels {
my ($self, $args) = @_;
push @{ $args->{panels}->{advanced}->{params} }, {
name => 'enable_simple_push',
type => 'b',
default => 0,
};
}
__PACKAGE__->NAME;
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