From ef56c491a65eed9dfddb2866c5faa59acb69b0ed Mon Sep 17 00:00:00 2001
From: "dkl%redhat.com" <>
Date: Thu, 28 Aug 2008 01:38:45 +0000
Subject: Bug 449791 – Allow flag notification emails to be threaded similar to
 normal bug change emails Patch by Dave Lawrence <dkl@redhat.com> -
 r/a=LpSolit
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Bugzilla/BugMail.pm | 18 +-----------------
 Bugzilla/Flag.pm    | 13 +++++++++----
 Bugzilla/Mailer.pm  | 29 ++++++++++++++++++++++++++++-
 3 files changed, 38 insertions(+), 22 deletions(-)

(limited to 'Bugzilla')

diff --git a/Bugzilla/BugMail.pm b/Bugzilla/BugMail.pm
index 20bb7e254..4e91d4be4 100644
--- a/Bugzilla/BugMail.pm
+++ b/Bugzilla/BugMail.pm
@@ -636,22 +636,6 @@ sub sendMail {
     push(@watchingrel, 'None') unless @watchingrel;
     push @watchingrel, map { user_id_to_login($_) } @$watchingRef;
 
-    my $sitespec = '@' . Bugzilla->params->{'urlbase'};
-    $sitespec =~ s/:\/\//\./; # Make the protocol look like part of the domain
-    $sitespec =~ s/^([^:\/]+):(\d+)/$1/; # Remove a port number, to relocate
-    if ($2) {
-        $sitespec = "-$2$sitespec"; # Put the port number back in, before the '@'
-    }
-    my $threadingmarker;
-    if ($isnew) {
-        $threadingmarker = "Message-ID: <bug-$id-" . $user->id . "$sitespec>";
-    }
-    else {
-        $threadingmarker = "In-Reply-To: <bug-$id-" . $user->id . "$sitespec>" .
-                            "\nReferences: <bug-$id-" . $user->id . "$sitespec>";
-    }
-    
-
     my $vars = {
         isnew => $isnew,
         to => $user->email,
@@ -678,7 +662,7 @@ sub sendMail {
         reporter => $values{'reporter'},
         reportername => Bugzilla::User->new({name => $values{'reporter'}})->name,
         diffs => $diffs,
-        threadingmarker => $threadingmarker
+        threadingmarker => build_thread_marker($id, $user->id, $isnew),
     };
 
     my $msg;
diff --git a/Bugzilla/Flag.pm b/Bugzilla/Flag.pm
index 73266ce9f..8201a907d 100644
--- a/Bugzilla/Flag.pm
+++ b/Bugzilla/Flag.pm
@@ -1104,10 +1104,15 @@ sub notify {
     }
 
     foreach my $to (keys %recipients) {
-        my $vars = { 'flag'       => $flag,
-                     'to'         => $to,
-                     'bug'        => $bug,
-                     'attachment' => $attachment};
+        # Add threadingmarker to allow flag notification emails to be the
+        # threaded similar to normal bug change emails.
+        my $thread_user_id = $recipients{$to} ? $recipients{$to}->id : 0;
+    
+        my $vars = { 'flag'            => $flag,
+                     'to'              => $to,
+                     'bug'             => $bug,
+                     'attachment'      => $attachment,
+                     'threadingmarker' => build_thread_marker($bug->id, $thread_user_id) };
 
         my $lang = $recipients{$to} ?
           $recipients{$to}->settings->{'lang'}->{'value'} : $default_lang;
diff --git a/Bugzilla/Mailer.pm b/Bugzilla/Mailer.pm
index 5c7a75450..c790d179f 100644
--- a/Bugzilla/Mailer.pm
+++ b/Bugzilla/Mailer.pm
@@ -35,7 +35,7 @@ package Bugzilla::Mailer;
 use strict;
 
 use base qw(Exporter);
-@Bugzilla::Mailer::EXPORT = qw(MessageToMTA);
+@Bugzilla::Mailer::EXPORT = qw(MessageToMTA build_thread_marker);
 
 use Bugzilla::Constants;
 use Bugzilla::Error;
@@ -154,4 +154,31 @@ sub MessageToMTA {
     }
 }
 
+# Builds header suitable for use as a threading marker in email notifications
+sub build_thread_marker {
+    my ($bug_id, $user_id, $is_new) = @_;
+
+    if (!defined $user_id) {
+        $user_id = Bugzilla->user->id;
+    }
+
+    my $sitespec = '@' . Bugzilla->params->{'urlbase'};
+    $sitespec =~ s/:\/\//\./; # Make the protocol look like part of the domain
+    $sitespec =~ s/^([^:\/]+):(\d+)/$1/; # Remove a port number, to relocate
+    if ($2) {
+        $sitespec = "-$2$sitespec"; # Put the port number back in, before the '@'
+    }
+
+    my $threadingmarker;
+    if ($is_new) {
+        $threadingmarker = "Message-ID: <bug-$bug_id-$user_id$sitespec>";
+    }
+    else {
+        $threadingmarker = "In-Reply-To: <bug-$bug_id-$user_id$sitespec>" .
+                           "\nReferences: <bug-$bug_id-$user_id$sitespec>";
+    }
+
+    return $threadingmarker;
+}
+
 1;
-- 
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