summaryrefslogtreecommitdiffstats
path: root/Bugzilla/BugMail.pm
blob: 5bbbe723a8ec3cff9dc5564d421604601e675e03 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>,
#                 Bryce Nesbitt <bryce-mozilla@nextbus.com>
#                 Dan Mosedale <dmose@mozilla.org>
#                 Alan Raetz <al_raetz@yahoo.com>
#                 Jacob Steenhagen <jake@actex.net>
#                 Matthew Tuck <matty@chariot.net.au>
#                 Bradley Baetz <bbaetz@student.usyd.edu.au>
#                 J. Paul Reed <preed@sigkill.com>
#                 Gervase Markham <gerv@gerv.net>
#                 Byron Jones <bugzilla@glob.com.au>

use strict;

package Bugzilla::BugMail;

use Bugzilla::Error;
use Bugzilla::User;
use Bugzilla::Constants;
use Bugzilla::Util;
use Bugzilla::Bug;
use Bugzilla::Classification;
use Bugzilla::Product;
use Bugzilla::Component;
use Bugzilla::Status;
use Bugzilla::Mailer;

use Date::Parse;
use Date::Format;

use constant FORMAT_TRIPLE => "%19s|%-28s|%-28s";
use constant FORMAT_3_SIZE => [19,28,28];
use constant FORMAT_DOUBLE => "%19s %-55s";
use constant FORMAT_2_SIZE => [19,55];

use constant BIT_DIRECT    => 1;
use constant BIT_WATCHING  => 2;

# We need these strings for the X-Bugzilla-Reasons header
# Note: this hash uses "," rather than "=>" to avoid auto-quoting of the LHS.
use constant REL_NAMES => {
    REL_ASSIGNEE      , "AssignedTo", 
    REL_REPORTER      , "Reporter",
    REL_QA            , "QAcontact",
    REL_CC            , "CC",
    REL_VOTER         , "Voter",
    REL_GLOBAL_WATCHER, "GlobalWatcher"
};

# We use this instead of format because format doesn't deal well with
# multi-byte languages.
sub multiline_sprintf {
    my ($format, $args, $sizes) = @_;
    my @parts;
    my @my_sizes = @$sizes; # Copy this so we don't modify the input array.
    foreach my $string (@$args) {
        my $size = shift @my_sizes;
        my @pieces = split("\n", wrap_hard($string, $size));
        push(@parts, \@pieces);
    }

    my $formatted;
    while (1) {
        # Get the first item of each part.
        my @line = map { shift @$_ } @parts;
        # If they're all undef, we're done.
        last if !grep { defined $_ } @line;
        # Make any single undef item into ''
        @line = map { defined $_ ? $_ : '' } @line;
        # And append a formatted line
        $formatted .= sprintf($format, @line);
        # Remove trailing spaces, or they become lots of =20's in 
        # quoted-printable emails.
        $formatted =~ s/\s+$//;
        $formatted .= "\n";
    }
    return $formatted;
}

sub three_columns {
    return multiline_sprintf(FORMAT_TRIPLE, \@_, FORMAT_3_SIZE);
}

# This is a bit of a hack, basically keeping the old system()
# cmd line interface. Should clean this up at some point.
#
# args: bug_id, and an optional hash ref which may have keys for:
# changer, owner, qa, reporter, cc
# Optional hash contains values of people which will be forced to those
# roles when the email is sent.
# All the names are email addresses, not userids
# values are scalars, except for cc, which is a list
# This hash usually comes from the "mailrecipients" var in a template call.
sub Send {
    my ($id, $forced) = (@_);

    my @headerlist;
    my %defmailhead;
    my %fielddescription;

    my $msg = "";

    my $dbh = Bugzilla->dbh;

    # XXX - These variables below are useless. We could use field object
    # methods directly. But we first have to implement a cache in
    # Bugzilla->get_fields to avoid querying the DB all the time.
    foreach my $field (Bugzilla->get_fields({obsolete => 0})) {
        push(@headerlist, $field->name);
        $defmailhead{$field->name} = $field->in_new_bugmail;
        $fielddescription{$field->name} = $field->description;
    }

    my %values = %{$dbh->selectrow_hashref(
        'SELECT ' . join(',', editable_bug_fields()) . ', reporter,
                lastdiffed AS start_time, LOCALTIMESTAMP(0) AS end_time
           FROM bugs WHERE bug_id = ?',
        undef, $id)};

    my $product = new Bugzilla::Product($values{product_id});
    $values{product} = $product->name;
    if (Bugzilla->params->{'useclassification'}) {
        $values{classification} = Bugzilla::Classification->new($product->classification_id)->name;
    }
    my $component = new Bugzilla::Component($values{component_id});
    $values{component} = $component->name;

    my ($start, $end) = ($values{start_time}, $values{end_time});

    # User IDs of people in various roles. More than one person can 'have' a 
    # role, if the person in that role has changed, or people are watching.
    my $reporter = $values{'reporter'};
    my @assignees = ($values{'assigned_to'});
    my @qa_contacts = ($values{'qa_contact'});

    my $cc_users = $dbh->selectall_arrayref(
           "SELECT cc.who, profiles.login_name
              FROM cc
        INNER JOIN profiles
                ON cc.who = profiles.userid
             WHERE bug_id = ?",
           undef, $id);

    my (@ccs, @cc_login_names);
    foreach my $cc_user (@$cc_users) {
        my ($user_id, $user_login) = @$cc_user;
        push (@ccs, $user_id);
        push (@cc_login_names, $user_login);
    }

    # Include the people passed in as being in particular roles.
    # This can include people who used to hold those roles.
    # At this point, we don't care if there are duplicates in these arrays.
    my $changer = $forced->{'changer'};
    if ($forced->{'owner'}) {
        push (@assignees, login_to_id($forced->{'owner'}, THROW_ERROR));
    }
    
    if ($forced->{'qacontact'}) {
        push (@qa_contacts, login_to_id($forced->{'qacontact'}, THROW_ERROR));
    }
    
    if ($forced->{'cc'}) {
        foreach my $cc (@{$forced->{'cc'}}) {
            push(@ccs, login_to_id($cc, THROW_ERROR));
        }
    }
    
    # Convert to names, for later display
    $values{'changer'} = $changer;
    # If no changer is specified, then it has no name.
    if ($changer) {
        $values{'changername'} = Bugzilla::User->new({name => $changer})->name;
    }
    $values{'assigned_to'} = user_id_to_login($values{'assigned_to'});
    $values{'reporter'} = user_id_to_login($values{'reporter'});
    if ($values{'qa_contact'}) {
        $values{'qa_contact'} = user_id_to_login($values{'qa_contact'});
    }
    $values{'cc'} = join(', ', @cc_login_names);
    $values{'estimated_time'} = format_time_decimal($values{'estimated_time'});

    if ($values{'deadline'}) {
        $values{'deadline'} = time2str("%Y-%m-%d", str2time($values{'deadline'}));
    }

    my $dependslist = $dbh->selectcol_arrayref(
        'SELECT dependson FROM dependencies
         WHERE blocked = ? ORDER BY dependson',
        undef, ($id));

    $values{'dependson'} = join(",", @$dependslist);

    my $blockedlist = $dbh->selectcol_arrayref(
        'SELECT blocked FROM dependencies
         WHERE dependson = ? ORDER BY blocked',
        undef, ($id));

    $values{'blocked'} = join(",", @$blockedlist);

    my $grouplist = $dbh->selectcol_arrayref(
        '    SELECT name FROM groups
         INNER JOIN bug_group_map
                 ON groups.id = bug_group_map.group_id
                    AND bug_group_map.bug_id = ?',
        undef, ($id));

    $values{'bug_group'} = join(', ', @$grouplist);
 
    my @args = ($id);

    # If lastdiffed is NULL, then we don't limit the search on time.
    my $when_restriction = '';
    if ($start) {
        $when_restriction = ' AND bug_when > ? AND bug_when <= ?';
        push @args, ($start, $end);
    }
    
    my $diffs = $dbh->selectall_arrayref(
           "SELECT profiles.login_name, profiles.realname, fielddefs.description,
                   bugs_activity.bug_when, bugs_activity.removed, 
                   bugs_activity.added, bugs_activity.attach_id, fielddefs.name
              FROM bugs_activity
        INNER JOIN fielddefs
                ON fielddefs.id = bugs_activity.fieldid
        INNER JOIN profiles
                ON profiles.userid = bugs_activity.who
             WHERE bugs_activity.bug_id = ?
                   $when_restriction
          ORDER BY bugs_activity.bug_when", undef, @args);

    my @new_depbugs;
    my $difftext = "";
    my $diffheader = "";
    my @diffparts;
    my $lastwho = "";
    my $fullwho;
    my @changedfields;
    foreach my $ref (@$diffs) {
        my ($who, $whoname, $what, $when, $old, $new, $attachid, $fieldname) = (@$ref);
        my $diffpart = {};
        if ($who ne $lastwho) {
            $lastwho = $who;
            $fullwho = $whoname ? "$whoname <$who>" : $who;
            $diffheader = "\n$fullwho changed:\n\n";
            $diffheader .= three_columns("What    ", "Removed", "Added");
            $diffheader .= ('-' x 76) . "\n";
        }
        $what =~ s/^(Attachment )?/Attachment #$attachid / if $attachid;
        if( $fieldname eq 'estimated_time' ||
            $fieldname eq 'remaining_time' ) {
            $old = format_time_decimal($old);
            $new = format_time_decimal($new);
        }
        if ($fieldname eq 'dependson') {
            push(@new_depbugs, grep {$_ =~ /^\d+$/} split(/[\s,]+/, $new));
        }
        if ($attachid) {
            ($diffpart->{'isprivate'}) = $dbh->selectrow_array(
                'SELECT isprivate FROM attachments WHERE attach_id = ?',
                undef, ($attachid));
        }
        $difftext = three_columns($what, $old, $new);
        $diffpart->{'header'} = $diffheader;
        $diffpart->{'fieldname'} = $fieldname;
        $diffpart->{'text'} = $difftext;
        push(@diffparts, $diffpart);
        push(@changedfields, $what);
    }
    $values{'changed_fields'} = join(' ', @changedfields);

    my @depbugs;
    my $deptext = "";
    # Do not include data about dependent bugs when they have just been added.
    # Completely skip checking for dependent bugs on bug creation as all
    # dependencies bugs will just have been added.
    if ($start) {
        my $dep_restriction = "";
        if (scalar @new_depbugs) {
            $dep_restriction = "AND bugs_activity.bug_id NOT IN (" .
                               join(", ", @new_depbugs) . ")";
        }

        my $dependency_diffs = $dbh->selectall_arrayref(
           "SELECT bugs_activity.bug_id, bugs.short_desc, fielddefs.name, 
                   bugs_activity.removed, bugs_activity.added
              FROM bugs_activity
        INNER JOIN bugs
                ON bugs.bug_id = bugs_activity.bug_id
        INNER JOIN dependencies
                ON bugs_activity.bug_id = dependencies.dependson
        INNER JOIN fielddefs
                ON fielddefs.id = bugs_activity.fieldid
             WHERE dependencies.blocked = ?
               AND (fielddefs.name = 'bug_status'
                    OR fielddefs.name = 'resolution')
                   $when_restriction
                   $dep_restriction
          ORDER BY bugs_activity.bug_when, bugs.bug_id", undef, @args);

        my $thisdiff = "";
        my $lastbug = "";
        my $interestingchange = 0;
        foreach my $dependency_diff (@$dependency_diffs) {
            my ($depbug, $summary, $what, $old, $new) = @$dependency_diff;

            if ($depbug ne $lastbug) {
                if ($interestingchange) {
                    $deptext .= $thisdiff;
                }
                $lastbug = $depbug;
                $thisdiff =
                  "\nBug $id depends on bug $depbug, which changed state.\n\n" .
                  "Bug $depbug Summary: $summary\n" .
                  correct_urlbase() . "show_bug.cgi?id=$depbug\n\n";
                $thisdiff .= three_columns("What    ", "Old Value", "New Value");
                $thisdiff .= ('-' x 76) . "\n";
                $interestingchange = 0;
            }
            $thisdiff .= three_columns($fielddescription{$what}, $old, $new);
            if ($what eq 'bug_status'
                && is_open_state($old) ne is_open_state($new))
            {
                $interestingchange = 1;
            }
            push(@depbugs, $depbug);
        }

        if ($interestingchange) {
            $deptext .= $thisdiff;
        }
        $deptext = trim($deptext);

        if ($deptext) {
            my $diffpart = {};
            $diffpart->{'text'} = "\n" . trim($deptext);
            push(@diffparts, $diffpart);
        }
    }

    my ($comments, $anyprivate) = get_comments_by_bug($id, $start, $end);

    ###########################################################################
    # Start of email filtering code
    ###########################################################################
    
    # A user_id => roles hash to keep track of people.
    my %recipients;
    my %watching;
    
    # Now we work out all the people involved with this bug, and note all of
    # the relationships in a hash. The keys are userids, the values are an
    # array of role constants.
    
    # Voters
    my $voters = $dbh->selectcol_arrayref(
        "SELECT who FROM votes WHERE bug_id = ?", undef, ($id));
        
    $recipients{$_}->{+REL_VOTER} = BIT_DIRECT foreach (@$voters);

    # CCs
    $recipients{$_}->{+REL_CC} = BIT_DIRECT foreach (@ccs);
    
    # Reporter (there's only ever one)
    $recipients{$reporter}->{+REL_REPORTER} = BIT_DIRECT;
    
    # QA Contact
    if (Bugzilla->params->{'useqacontact'}) {
        foreach (@qa_contacts) {
            # QA Contact can be blank; ignore it if so.
            $recipients{$_}->{+REL_QA} = BIT_DIRECT if $_;
        }
    }

    # Assignee
    $recipients{$_}->{+REL_ASSIGNEE} = BIT_DIRECT foreach (@assignees);

    # The last relevant set of people are those who are being removed from 
    # their roles in this change. We get their names out of the diffs.
    foreach my $ref (@$diffs) {
        my ($who, $whoname, $what, $when, $old, $new) = (@$ref);
        if ($old) {
            # You can't stop being the reporter, and mail isn't sent if you
            # remove your vote.
            # Ignore people whose user account has been deleted or renamed.
            if ($what eq "CC") {
                foreach my $cc_user (split(/[\s,]+/, $old)) {
                    my $uid = login_to_id($cc_user);
                    $recipients{$uid}->{+REL_CC} = BIT_DIRECT if $uid;
                }
            }
            elsif ($what eq "QAContact") {
                my $uid = login_to_id($old);
                $recipients{$uid}->{+REL_QA} = BIT_DIRECT if $uid;
            }
            elsif ($what eq "AssignedTo") {
                my $uid = login_to_id($old);
                $recipients{$uid}->{+REL_ASSIGNEE} = BIT_DIRECT if $uid;
            }
        }
    }
    
    # Find all those user-watching anyone on the current list, who is not
    # on it already themselves.
    my $involved = join(",", keys %recipients);

    my $userwatchers =
        $dbh->selectall_arrayref("SELECT watcher, watched FROM watch
                                  WHERE watched IN ($involved)");

    # Mark these people as having the role of the person they are watching
    foreach my $watch (@$userwatchers) {
        while (my ($role, $bits) = each %{$recipients{$watch->[1]}}) {
            $recipients{$watch->[0]}->{$role} |= BIT_WATCHING
                if $bits & BIT_DIRECT;
        }
        push(@{$watching{$watch->[0]}}, $watch->[1]);
    }

    # Global watcher
    my @watchers = split(/[,\s]+/, Bugzilla->params->{'globalwatchers'});
    foreach (@watchers) {
        my $watcher_id = login_to_id($_);
        next unless $watcher_id;
        $recipients{$watcher_id}->{+REL_GLOBAL_WATCHER} = BIT_DIRECT;
    }

    # We now have a complete set of all the users, and their relationships to
    # the bug in question. However, we are not necessarily going to mail them
    # all - there are preferences, permissions checks and all sorts to do yet.
    my @sent;
    my @excluded;

    foreach my $user_id (keys %recipients) {
        my %rels_which_want;
        my $sent_mail = 0;

        my $user = new Bugzilla::User($user_id);
        # Deleted users must be excluded.
        next unless $user;

        if ($user->can_see_bug($id)) {
            # Go through each role the user has and see if they want mail in
            # that role.
            foreach my $relationship (keys %{$recipients{$user_id}}) {
                if ($user->wants_bug_mail($id,
                                          $relationship, 
                                          $diffs, 
                                          $comments,
                                          $deptext,
                                          $changer,
                                          !$start))
                {
                    $rels_which_want{$relationship} = 
                        $recipients{$user_id}->{$relationship};
                }
            }
        }
        
        if (scalar(%rels_which_want)) {
            # So the user exists, can see the bug, and wants mail in at least
            # one role. But do we want to send it to them?

            # If we are using insiders, and the comment is private, only send 
            # to insiders
            my $insider_ok = 1;
            $insider_ok = 0 if $anyprivate && !$user->is_insider;

            # We shouldn't send mail if this is a dependency mail (i.e. there 
            # is something in @depbugs), and any of the depending bugs are not 
            # visible to the user. This is to avoid leaking the summaries of 
            # confidential bugs.
            my $dep_ok = 1;
            foreach my $dep_id (@depbugs) {
                if (!$user->can_see_bug($dep_id)) {
                   $dep_ok = 0;
                   last;
                }
            }

            # Make sure the user isn't in the nomail list, and the insider and 
            # dep checks passed.
            if ($user->email_enabled &&
                $insider_ok &&
                $dep_ok)
            {
                # OK, OK, if we must. Email the user.
                $sent_mail = sendMail($user, 
                                      \@headerlist,
                                      \%rels_which_want, 
                                      \%values,
                                      \%defmailhead, 
                                      \%fielddescription, 
                                      \@diffparts,
                                      $comments,
                                      $anyprivate, 
                                      ! $start, 
                                      $id,
                                      exists $watching{$user_id} ?
                                             $watching{$user_id} : undef);
            }
        }
       
        if ($sent_mail) {
            push(@sent, $user->login); 
        } 
        else {
            push(@excluded, $user->login); 
        } 
    }
    
    $dbh->do('UPDATE bugs SET lastdiffed = ? WHERE bug_id = ?',
             undef, ($end, $id));

    return {'sent' => \@sent, 'excluded' => \@excluded};
}

sub sendMail {
    my ($user, $hlRef, $relRef, $valueRef, $dmhRef, $fdRef,
        $diffRef, $newcomments, $anyprivate, $isnew,
        $id, $watchingRef) = @_;

    my %values = %$valueRef;
    my @headerlist = @$hlRef;
    my %mailhead = %$dmhRef;
    my %fielddescription = %$fdRef;
    my @diffparts = @$diffRef;    
    
    # Build difftext (the actions) by verifying the user should see them
    my $difftext = "";
    my $diffheader = "";
    my $add_diff;

    foreach my $diff (@diffparts) {
        $add_diff = 0;
        
        if (exists($diff->{'fieldname'}) && 
            ($diff->{'fieldname'} eq 'estimated_time' ||
             $diff->{'fieldname'} eq 'remaining_time' ||
             $diff->{'fieldname'} eq 'work_time' ||
             $diff->{'fieldname'} eq 'deadline'))
        {
            $add_diff = 1 if $user->is_timetracker;
        } elsif ($diff->{'isprivate'} 
                 && !$user->is_insider)
        {
            $add_diff = 0;
        } else {
            $add_diff = 1;
        }

        if ($add_diff) {
            if (exists($diff->{'header'}) && 
             ($diffheader ne $diff->{'header'})) {
                $diffheader = $diff->{'header'};
                $difftext .= $diffheader;
            }
            $difftext .= $diff->{'text'};
        }
    }

    if ($difftext eq "" && !scalar(@$newcomments) && !$isnew) {
      # Whoops, no differences!
      return 0;
    }

    my $diffs = $difftext;
    # Remove extra newlines.
    $diffs =~ s/^\n+//s; $diffs =~ s/\n+$//s;
    if ($isnew) {
        my $head = "";
        foreach my $f (@headerlist) {
            next unless $mailhead{$f};
            my $value = $values{$f};
            # If there isn't anything to show, don't include this header.
            next unless $value;
            # Only send estimated_time if it is enabled and the user is in the group.
            if (($f ne 'estimated_time' && $f ne 'deadline') || $user->is_timetracker) {
                my $desc = $fielddescription{$f};
                $head .= multiline_sprintf(FORMAT_DOUBLE, ["$desc:", $value],
                                           FORMAT_2_SIZE);
            }
        }
        $diffs = $head . ($difftext ? "\n\n" : "") . $diffs;
    }

    my (@reasons, @reasons_watch);
    while (my ($relationship, $bits) = each %{$relRef}) {
        push(@reasons, $relationship) if ($bits & BIT_DIRECT);
        push(@reasons_watch, $relationship) if ($bits & BIT_WATCHING);
    }

    my @headerrel   = map { REL_NAMES->{$_} } @reasons;
    my @watchingrel = map { REL_NAMES->{$_} } @reasons_watch;
    push(@headerrel,   'None') unless @headerrel;
    push(@watchingrel, 'None') unless @watchingrel;
    push @watchingrel, map { user_id_to_login($_) } @$watchingRef;

    my $vars = {
        isnew => $isnew,
        to => $user->email,
        bugid => $id,
        alias => Bugzilla->params->{'usebugaliases'} ? $values{'alias'} : "",
        classification => $values{'classification'},
        product => $values{'product'},
        comp => $values{'component'},
        keywords => $values{'keywords'},
        severity => $values{'bug_severity'},
        status => $values{'bug_status'},
        priority => $values{'priority'},
        assignedto => $values{'assigned_to'},
        assignedtoname => Bugzilla::User->new({name => $values{'assigned_to'}})->name,
        targetmilestone => $values{'target_milestone'},
        changedfields => $values{'changed_fields'},
        summary => $values{'short_desc'},
        reasons => \@reasons,
        reasons_watch => \@reasons_watch,
        reasonsheader => join(" ", @headerrel),
        reasonswatchheader => join(" ", @watchingrel),
        changer => $values{'changer'},
        changername => $values{'changername'},
        reporter => $values{'reporter'},
        reportername => Bugzilla::User->new({name => $values{'reporter'}})->name,
        diffs => $diffs,
        new_comments => $newcomments,
        threadingmarker => build_thread_marker($id, $user->id, $isnew),
    };

    my $msg;
    my $template = Bugzilla->template_inner($user->settings->{'lang'}->{'value'});
    $template->process("email/newchangedmail.txt.tmpl", $vars, \$msg)
      || ThrowTemplateError($template->error());
    Bugzilla->template_inner("");

    MessageToMTA($msg);

    return 1;
}

# Get bug comments for the given period.
sub get_comments_by_bug {
    my ($id, $start, $end) = @_;
    my $dbh = Bugzilla->dbh;

    my $result = "";
    my $count = 0;
    my $anyprivate = 0;

    # $start will be undef for new bugs, and defined for pre-existing bugs.
    if ($start) {
        # If $start is not NULL, obtain the count-index
        # of this comment for the leading "Comment #xxx" line.
        $count = $dbh->selectrow_array('SELECT COUNT(*) FROM longdescs
                                        WHERE bug_id = ? AND bug_when <= ?',
                                        undef, ($id, $start));
    }

    my $raw = 1; # Do not format comments which are not of type CMT_NORMAL.
    my $comments = Bugzilla::Bug::GetComments($id, "oldest_to_newest", $start, $end, $raw);
    my $attach_base = correct_urlbase() . 'attachment.cgi?id=';

    foreach my $comment (@$comments) {
        $comment->{count} = $count++;
        # If an attachment was created, then add an URL. (Note: the 'g'lobal
        # replace should work with comments with multiple attachments.)
        if ($comment->{body} =~ /Created an attachment \(/) {
            $comment->{body} =~ s/(Created an attachment \(id=([0-9]+)\))/$1\n --> \($attach_base$2\)/g;
        }
    }

    if (Bugzilla->params->{'insidergroup'}) {
        $anyprivate = 1 if scalar(grep {$_->{'isprivate'} > 0} @$comments);
    }

    return ($comments, $anyprivate);
}

1;