X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FSearchThread.pm;h=be29098073cab4bd1f67884750c5ee273e572336;hb=c204da04aa24e85236f82ba5a7c6c7e19c8a20d3;hp=6fbce15c86e8a4b573f0ebe48a4f24fa13209415;hpb=38c481a5438593cff686709493a70b8a6b3033d1;p=public-inbox.git

diff --git a/lib/PublicInbox/SearchThread.pm b/lib/PublicInbox/SearchThread.pm
index 6fbce15c..be290980 100644
--- a/lib/PublicInbox/SearchThread.pm
+++ b/lib/PublicInbox/SearchThread.pm
@@ -22,15 +22,22 @@ use strict;
 use warnings;
 
 sub thread {
-	my ($messages, $ordersub, $srch) = @_;
+	my ($msgs, $ordersub, $ibx) = @_;
 	my $id_table = {};
-	_add_message($id_table, $_) foreach @$messages;
+
+	# Sadly, we sort here anyways since the fill-in-the-blanks References:
+	# can be shakier if somebody used In-Reply-To with multiple, disparate
+	# messages.  So, take the client Date: into account since we can't
+	# alway determine ordering when somebody uses multiple In-Reply-To.
+	# We'll trust the client Date: header here instead of the Received:
+	# time since this is for display (and not retrieval)
+	_add_message($id_table, $_) for sort { $a->{ds} <=> $b->{ds} } @$msgs;
 	my $rootset = [ grep {
-			!delete($_->{parent}) && $_->visible($srch)
+			!delete($_->{parent}) && $_->visible($ibx)
 		} values %$id_table ];
 	$id_table = undef;
 	$rootset = $ordersub->($rootset);
-	$_->order_children($ordersub, $srch) for @$rootset;
+	$_->order_children($ordersub, $ibx) for @$rootset;
 	$rootset;
 }
 
@@ -76,7 +83,9 @@ sub _add_message ($$) {
 
 	# C. Set the parent of this message to be the last element in
 	# References.
-	$prev->add_child($this) if defined $prev;
+	if (defined $prev && !$this->has_descendent($prev)) { # would loop
+		$prev->add_child($this);
+	}
 }
 
 package PublicInbox::SearchThread::Msg;
@@ -131,20 +140,20 @@ sub has_descendent {
 # a ghost Message-ID is the result of a long header line
 # being folded/mangled by a MUA, and not a missing message.
 sub visible ($$) {
-	my ($self, $srch) = @_;
-	($self->{smsg} ||= eval { $srch->lookup_mail($self->{id}) }) ||
+	my ($self, $ibx) = @_;
+	($self->{smsg} ||= eval { $ibx->smsg_by_mid($self->{id}) }) ||
 	 (scalar values %{$self->{children}});
 }
 
 sub order_children {
-	my ($cur, $ordersub, $srch) = @_;
+	my ($cur, $ordersub, $ibx) = @_;
 
 	my %seen = ($cur => 1); # self-referential loop prevention
 	my @q = ($cur);
 	while (defined($cur = shift @q)) {
 		my $c = $cur->{children}; # The hashref here...
 
-		$c = [ grep { !$seen{$_}++ && visible($_, $srch) } values %$c ];
+		$c = [ grep { !$seen{$_}++ && visible($_, $ibx) } values %$c ];
 		$c = $ordersub->($c) if scalar @$c > 1;
 		$cur->{children} = $c; # ...becomes an arrayref
 		push @q, @$c;