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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::InlineHistory;
use strict;
use base qw(Bugzilla::Extension);
use Bugzilla::User::Setting;
use Bugzilla::Constants;
use Bugzilla::Attachment;
our $VERSION = '1.6';
# don't show inline history for bugs with lots of changes
use constant MAXIMUM_ACTIVITY_COUNT => 500;
# don't show really long values
use constant MAXIMUM_VALUE_LENGTH => 256;
sub template_before_create {
my ($self, $args) = @_;
$args->{config}->{FILTERS}->{ih_short_value} = sub {
my ($str) = @_;
return length($str) <= MAXIMUM_VALUE_LENGTH
? $str
: substr($str, 0, MAXIMUM_VALUE_LENGTH - 3) . '...';
};
}
sub template_before_process {
my ($self, $args) = @_;
my $file = $args->{'file'};
my $vars = $args->{'vars'};
return if $file ne 'bug/edit.html.tmpl';
my $user = Bugzilla->user;
my $dbh = Bugzilla->dbh;
return unless $user->id && $user->settings->{'inline_history'}->{'value'} eq 'on';
# note: bug/edit.html.tmpl doesn't support multiple bugs
my $bug = exists $vars->{'bugs'} ? $vars->{'bugs'}[0] : $vars->{'bug'};
my $bug_id = $bug->id;
# build bug activity
my ($activity) = $bug->can('get_activity')
? $bug->get_activity()
: Bugzilla::Bug::GetBugActivity($bug_id);
$activity = _add_duplicates($bug_id, $activity);
if (scalar @$activity > MAXIMUM_ACTIVITY_COUNT) {
$activity = [];
$vars->{'ih_activity'} = 0;
$vars->{'ih_activity_max'} = 1;
return;
}
# prime caches with objects already loaded
my %user_cache;
foreach my $comment (@{$bug->comments}) {
$user_cache{$comment->{author}->login} = $comment->{author};
}
my %attachment_cache;
foreach my $attachment (@{$bug->attachments}) {
$attachment_cache{$attachment->id} = $attachment;
}
# build a list of bugs we need to check visibility of, so we can check with a single query
my %visible_bug_ids;
# augment and tweak
foreach my $operation (@$activity) {
# make operation.who an object
$user_cache{$operation->{who}} ||= Bugzilla::User->new({ name => $operation->{who} });
$operation->{who} = $user_cache{$operation->{who}};
for (my $i = 0; $i < scalar(@{$operation->{changes}}); $i++) {
my $change = $operation->{changes}->[$i];
# make an attachment object
if ($change->{attachid}) {
$change->{attach} = $attachment_cache{$change->{attachid}};
}
# empty resolutions are displayed as --- by default
# make it explicit here to enable correct display of the change
if ($change->{fieldname} eq 'resolution') {
$change->{removed} = '---' if $change->{removed} eq '';
$change->{added} = '---' if $change->{added} eq '';
}
# make boolean fields true/false instead of 1/0
my ($table, $field) = ('bugs', $change->{fieldname});
if ($field =~ /^([^\.]+)\.(.+)$/) {
($table, $field) = ($1, $2);
}
my $column = $dbh->bz_column_info($table, $field);
if ($column && $column->{TYPE} eq 'BOOLEAN') {
$change->{removed} = '';
$change->{added} = $change->{added} ? 'true' : 'false';
}
my $field_obj;
if ($change->{fieldname} =~ /^cf_/) {
$field_obj = Bugzilla::Field->new({ name => $change->{fieldname}, cache => 1 });
}
# identify buglist changes
if ($change->{fieldname} eq 'blocked' ||
$change->{fieldname} eq 'dependson' ||
$change->{fieldname} eq 'dupe' ||
($field_obj && $field_obj->type == FIELD_TYPE_BUG_ID)
) {
$change->{buglist} = 1;
foreach my $what (qw(removed added)) {
my @buglist = split(/[\s,]+/, $change->{$what});
foreach my $id (@buglist) {
if ($id && $id =~ /^\d+$/) {
$visible_bug_ids{$id} = 1;
}
}
}
}
# split multiple flag changes (must be processed last)
if ($change->{fieldname} eq 'flagtypes.name') {
my @added = split(/, /, $change->{added});
my @removed = split(/, /, $change->{removed});
next if scalar(@added) <= 1 && scalar(@removed) <= 1;
# remove current change
splice(@{$operation->{changes}}, $i, 1);
# restructure into added/removed for each flag
my %flags;
foreach my $added (@added) {
my ($value, $name) = $added =~ /^((.+).)$/;
$flags{$name}{added} = $value;
$flags{$name}{removed} |= '';
}
foreach my $removed (@removed) {
my ($value, $name) = $removed =~ /^((.+).)$/;
$flags{$name}{added} |= '';
$flags{$name}{removed} = $value;
}
# clone current change, modify and insert
foreach my $flag (sort keys %flags) {
my $flag_change = {};
foreach my $key (keys %$change) {
$flag_change->{$key} = $change->{$key};
}
$flag_change->{removed} = $flags{$flag}{removed};
$flag_change->{added} = $flags{$flag}{added};
splice(@{$operation->{changes}}, $i, 0, $flag_change);
}
$i--;
}
}
}
$user->visible_bugs([keys %visible_bug_ids]);
$vars->{'ih_activity'} = $activity;
}
sub _add_duplicates {
# insert 'is a dupe of this bug' comment to allow js to display
# as activity
my ($bug_id, $activity) = @_;
# we're ignoring pre-bugzilla 3.0 ".. has been marked as a duplicate .."
# comments because searching each comment's text is expensive. these
# legacy comments will not be visible at all in the bug's comment/activity
# stream. bug 928786 deals with migrating those comments to be stored as
# CMT_HAS_DUPE instead.
my $dbh = Bugzilla->dbh;
my $sth = $dbh->prepare("
SELECT profiles.login_name, " .
$dbh->sql_date_format('bug_when', '%Y.%m.%d %H:%i:%s') . ",
extra_data
FROM longdescs
INNER JOIN profiles ON profiles.userid = longdescs.who
WHERE bug_id = ? AND type = ?
ORDER BY bug_when
");
$sth->execute($bug_id, CMT_HAS_DUPE);
while (my($who, $when, $dupe_id) = $sth->fetchrow_array) {
my $entry = {
'when' => $when,
'who' => $who,
'changes' => [
{
'removed' => '',
'added' => $dupe_id,
'attachid' => undef,
'fieldname' => 'dupe',
'dupe' => 1,
}
],
};
push @$activity, $entry;
}
return [ sort { $a->{when} cmp $b->{when} } @$activity ];
}
sub install_before_final_checks {
my ($self, $args) = @_;
add_setting('inline_history', ['on', 'off'], 'off');
}
__PACKAGE__->NAME;
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