smsg: make parse_references an object method

[public-inbox.git] / lib / PublicInbox / OverIdx.pm

diff --git a/lib/PublicInbox/OverIdx.pm b/lib/PublicInbox/OverIdx.pm
index e606dcf564bfb8e59bf517558002a8b005579769..985c5473e7c7cf491386de5fdf07164de982db54 100644 (file)
--- a/lib/PublicInbox/OverIdx.pm
+++ b/lib/PublicInbox/OverIdx.pm
@@ -243,26 +243,6 @@ sub link_refs {
        $tid;
 }
 
-sub parse_references ($$$) {
-       my ($smsg, $hdr, $mids) = @_;
-       my $refs = references($hdr);
-       push(@$refs, @$mids) if scalar(@$mids) > 1;
-       return $refs if scalar(@$refs) == 0;
-
-       # prevent circular references here:
-       my %seen = ( $smsg->{mid} => 1 );
-       my @keep;
-       foreach my $ref (@$refs) {
-               if (length($ref) > PublicInbox::MID::MAX_MID_SIZE) {
-                       warn "References: <$ref> too long, ignoring\n";
-                       next;
-               }
-               push(@keep, $ref) unless $seen{$ref}++;
-       }
-       $smsg->{references} = '<'.join('> <', @keep).'>' if @keep;
-       \@keep;
-}
-
 # normalize subjects so they are suitable as pathnames for URLs
 # XXX: consider for removal
 sub subject_path ($) {
@@ -283,7 +263,7 @@ sub add_overview {
        my ($self, $eml, $smsg) = @_;
        $smsg->{lines} = $eml->body_raw =~ tr!\n!\n!;
        my $mids = mids_for_index($eml);
-       my $refs = parse_references($smsg, $eml, $mids);
+       my $refs = $smsg->parse_references($eml, $mids);
        $mids->[0] //= $smsg->{mid} //= $eml->{-lei_fake_mid};
        $smsg->{mid} //= '';
        my $subj = $smsg->{subject};