1 # Copyright (C) 2013-2019 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # Used for generating Atom feeds for web-accessible mailing list archives.
5 package PublicInbox::Feed;
10 use PublicInbox::WwwAtomStream;
11 use PublicInbox::SearchMsg; # this loads w/o Search::Xapian
16 my $msgs = recent_msgs($ctx);
17 return _no_thread() unless @$msgs;
19 my $ibx = $ctx->{-inbox};
20 PublicInbox::WwwAtomStream->response($ctx, 200, sub {
21 while (my $smsg = shift @$msgs) {
22 $ibx->smsg_mime($smsg) and return $smsg;
27 sub generate_thread_atom {
29 my $mid = $ctx->{mid};
30 my $ibx = $ctx->{-inbox};
31 my $msgs = $ibx->over->get_thread($mid);
32 return _no_thread() unless @$msgs;
34 PublicInbox::WwwAtomStream->response($ctx, 200, sub {
35 while (my $smsg = shift @$msgs) {
36 $ibx->smsg_mime($smsg) and return $smsg;
41 sub generate_html_index {
43 # if the 'r' query parameter is given, it is a legacy permalink
44 # which we must continue supporting:
46 my $ibx = $ctx->{-inbox};
47 if ($qp && !$qp->{r} && $ibx->over) {
48 return PublicInbox::View::index_topics($ctx);
51 my $env = $ctx->{env};
52 my $url = $ibx->base_url($env) . 'new.html';
53 my $qs = $env->{QUERY_STRING};
54 $url .= "?$qs" if $qs ne '';
55 [302, [ 'Location', $url, 'Content-Type', 'text/plain'],
56 [ "Redirecting to $url\n" ] ];
61 my $msgs = recent_msgs($ctx);
63 return [404, ['Content-Type', 'text/plain'],
64 ["No messages, yet\n"] ];
66 $ctx->{-html_tip} = '<pre>';
69 my $ibx = $ctx->{-inbox};
70 PublicInbox::WwwStream->response($ctx, 200, sub {
71 while (my $smsg = shift @$msgs) {
72 my $m = $ibx->smsg_mime($smsg) or next;
73 my $more = scalar @$msgs;
74 return PublicInbox::View::index_entry($m, $ctx, $more);
76 PublicInbox::View::pagination_footer($ctx, './new.html');
83 [404, ['Content-Type', 'text/plain'], ["No feed found for thread\n"]];
88 my $ibx = $ctx->{-inbox};
89 my $max = $ibx->{feedmax};
91 my $v = $ibx->{version} || 1;
93 die "BUG: unsupported inbox version: $v\n";
96 return PublicInbox::View::paginate_recent($ctx, $max);
100 my $addmsg = qr!^:000000 100644 \S+ (\S+) A\t${hex}{2}/${hex}{38}$!;
101 my $delmsg = qr!^:100644 000000 (\S+) \S+ D\t(${hex}{2}/${hex}{38})$!;
102 my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~[0-9]+)?/;
104 # revision ranges may be specified
106 my $r = $qp->{r} if $qp;
107 if ($r && ($r =~ /\A(?:$refhex\.\.)?$refhex\z/o)) {
111 # get recent messages
112 # we could use git log -z, but, we already know ssoma will not
113 # leave us with filenames with spaces in them..
114 my $log = $ibx->git->popen(qw/log
115 --no-notes --no-color --raw -r
116 --no-abbrev --abbrev-commit/,
117 "--format=%H", $range);
118 my %deleted; # only an optimization at this point
123 while (defined(my $line = <$log>)) {
124 if ($line =~ /$addmsg/o) {
126 next if $deleted{$add}; # optimization-only
128 if (scalar(@oids) >= $max) {
132 } elsif ($line =~ /$delmsg/o) {
139 while (my $line = <$log>) {
140 if ($line =~ /^(${hex}{7,40})/) {
147 $ctx->{next_page} = "r=$last_commit" if $last_commit;
148 [ map { bless {blob => $_ }, 'PublicInbox::SearchMsg' } @oids ];