From 7d2c22642310a85bb0ffd8d7c47ac8a62dea860e Mon Sep 17 00:00:00 2001
From: "wicked%sci.fi" <>
Date: Sat, 14 Feb 2009 09:45:44 +0000
Subject: Bug 333648: Add flag change to activity log and bugmail when only
 setter is changed - Patch by Teemu Mannermaa <wicked@sci.fi> r/a=LpSolit

---
 Bugzilla/Flag.pm | 13 ++++++++-----
 Bugzilla/Util.pm | 28 +---------------------------
 2 files changed, 9 insertions(+), 32 deletions(-)

diff --git a/Bugzilla/Flag.pm b/Bugzilla/Flag.pm
index 618cd3ef4..f0286575f 100644
--- a/Bugzilla/Flag.pm
+++ b/Bugzilla/Flag.pm
@@ -515,7 +515,7 @@ sub snapshot {
                                 'attach_id' => $attach_id });
     my @summaries;
     foreach my $flag (@$flags) {
-        my $summary = $flag->type->name . $flag->status;
+        my $summary = $flag->setter->nick . ':' . $flag->type->name . $flag->status;
         $summary .= "(" . $flag->requestee->login . ")" if $flag->requestee;
         push(@summaries, $summary);
     }
@@ -625,10 +625,13 @@ sub update_activity {
     my ($bug_id, $attach_id, $timestamp, $old_summaries, $new_summaries) = @_;
     my $dbh = Bugzilla->dbh;
 
-    $old_summaries = join(", ", @$old_summaries);
-    $new_summaries = join(", ", @$new_summaries);
-    my ($removed, $added) = diff_strings($old_summaries, $new_summaries);
-    if ($removed ne $added) {
+    my ($removed, $added) = diff_arrays($old_summaries, $new_summaries);
+    if (scalar @$removed || scalar @$added) {
+        # Remove flag requester/setter information
+        foreach (@$removed, @$added) { s/^\S+:// }
+
+        $removed = join(", ", @$removed);
+        $added = join(", ", @$added);
         my $field_id = get_field_id('flagtypes.name');
         $dbh->do('INSERT INTO bugs_activity
                   (bug_id, attach_id, who, bug_when, fieldid, removed, added)
diff --git a/Bugzilla/Util.pm b/Bugzilla/Util.pm
index 3573ad148..9122ed3cf 100644
--- a/Bugzilla/Util.pm
+++ b/Bugzilla/Util.pm
@@ -37,7 +37,7 @@ use base qw(Exporter);
                              css_class_quote html_light_quote url_decode
                              i_am_cgi get_netaddr correct_urlbase
                              lsearch ssl_require_redirect use_attachbase
-                             diff_arrays diff_strings
+                             diff_arrays
                              trim wrap_hard wrap_comment find_wrap_point
                              format_time format_time_decimal validate_date
                              validate_time
@@ -345,23 +345,6 @@ sub trim {
     return $str;
 }
 
-sub diff_strings {
-    my ($oldstr, $newstr) = @_;
-
-    # Split the old and new strings into arrays containing their values.
-    $oldstr =~ s/[\s,]+/ /g;
-    $newstr =~ s/[\s,]+/ /g;
-    my @old = split(" ", $oldstr);
-    my @new = split(" ", $newstr);
-
-    my ($rem, $add) = diff_arrays(\@old, \@new);
-
-    my $removed = join (", ", @$rem);
-    my $added = join (", ", @$add);
-
-    return ($removed, $added);
-}
-
 sub wrap_comment {
     my ($comment, $cols) = @_;
     my $wrappedcomment = "";
@@ -681,7 +664,6 @@ Bugzilla::Util - Generic utility functions for bugzilla
 
   # Functions for manipulating strings
   $val = trim(" abc ");
-  ($removed, $added) = diff_strings($old, $new);
   $wrapped = wrap_comment($comment);
 
   # Functions for formatting time
@@ -862,14 +844,6 @@ If the item is not in the list, returns -1.
 Removes any leading or trailing whitespace from a string. This routine does not
 modify the existing string.
 
-=item C<diff_strings($oldstr, $newstr)>
-
-Takes two strings containing a list of comma- or space-separated items
-and returns what items were removed from or added to the new one, 
-compared to the old one. Returns a list, where the first entry is a scalar
-containing removed items, and the second entry is a scalar containing added
-items.
-
 =item C<wrap_hard($string, $size)>
 
 Wraps a string, so that a line is I<never> longer than C<$size>.
-- 
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