@ $attr";
if ($nr_c) {
my $cmid = $children->[0]->{id};
$rv .= $pad . $mapping->{$cmid}->[0];
if ($nr_c > 2) {
my $s = ($nr_c - 1). ' more replies';
$rv .= pad_link($cmid, $level + 1, $s);
} elsif (my $cn = $children->[1]) {
$rv .= $pad . $mapping->{$cn->{id}}->[0];
}
}
my $next = $siblings->[$idx+1] if $siblings && $idx >= 0;
if ($next) {
my $nmid = $next->{id};
$rv .= $pad . $mapping->{$nmid}->[0];
my $nnext = $nr_s - $idx;
if ($nnext > 2) {
my $s = ($nnext - 1).' subsequent siblings';
$rv .= pad_link($nmid, $level, $s);
} elsif (my $nn = $siblings->[$idx + 2]) {
$rv .= $pad . $mapping->{$nn->{id}}->[0];
}
}
$rv .= $pad ."$s_s, $s_c; $ctx->{s_nr}\n";
}
sub walk_thread {
my ($rootset, $ctx, $cb) = @_;
my @q = map { (0, $_, -1) } @$rootset;
while (@q) {
my ($level, $node, $i) = splice(@q, 0, 3);
defined $node or next;
$cb->($ctx, $level, $node, $i) or return;
++$level;
$i = 0;
unshift @q, map { ($level, $_, $i++) } @{$node->{children}};
}
}
sub pre_thread {
my ($ctx, $level, $node, $idx) = @_;
$ctx->{mapping}->{$node->{id}} = [ '', $node, $idx, $level ];
skel_dump($ctx, $level, $node);
}
sub thread_index_entry {
my ($ctx, $level, $smsg) = @_;
my ($beg, $end) = thread_adj_level($ctx, $level);
$beg . '' . index_entry($smsg, $ctx, 0) . '
' . $end;
}
sub stream_thread ($$) {
my ($rootset, $ctx) = @_;
my $ibx = $ctx->{-inbox};
my @q = map { (0, $_) } @$rootset;
my $level;
my $smsg;
while (@q) {
$level = shift @q;
my $node = shift @q or next;
my $cl = $level + 1;
unshift @q, map { ($cl, $_) } @{$node->{children}};
$smsg = $ibx->smsg_mime($node->{smsg}) and last;
}
return missing_thread($ctx) unless $smsg;
$ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
$ctx->{-title_html} = ascii_html($smsg->subject);
$ctx->{-html_tip} = thread_index_entry($ctx, $level, $smsg);
$smsg = undef;
PublicInbox::WwwStream->response($ctx, 200, sub {
return unless $ctx;
while (@q) {
$level = shift @q;
my $node = shift @q or next;
my $cl = $level + 1;
unshift @q, map { ($cl, $_) } @{$node->{children}};
if ($smsg = $ibx->smsg_mime($node->{smsg})) {
return thread_index_entry($ctx, $level, $smsg);
} else {
return ghost_index_entry($ctx, $level, $node);
}
}
my $ret = join('', thread_adj_level($ctx, 0));
$ret .= ${$ctx->{dst}}; # skel
$ctx = undef;
$ret;
});
}
sub thread_html {
my ($ctx) = @_;
my $mid = $ctx->{mid};
my $ibx = $ctx->{-inbox};
my ($nr, $msgs) = $ibx->over->get_thread($mid);
return missing_thread($ctx) if $nr == 0;
my $skel = '
';
$skel .= $nr == 1 ? 'only message in thread' : 'end of thread';
$skel .= ", back to index\n\n";
$skel .= "Thread overview: ";
$skel .= $nr == 1 ? '(only message)' : "$nr+ messages";
$skel .= " (download: mbox.gz";
$skel .= " / follow: Atom feed)\n";
$skel .= "-- links below jump to the message on this page --\n";
$ctx->{-upfx} = '../../';
$ctx->{cur_level} = 0;
$ctx->{dst} = \$skel;
$ctx->{prev_attr} = '';
$ctx->{prev_level} = 0;
$ctx->{root_anchor} = anchor_for($mid);
$ctx->{mapping} = {};
$ctx->{s_nr} = ($nr > 1 ? "$nr+ messages" : 'only message')
.' in thread';
my $rootset = thread_results($ctx, $msgs);
# reduce hash lookups in pre_thread->skel_dump
$ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
walk_thread($rootset, $ctx, *pre_thread);
$skel .= '
';
return stream_thread($rootset, $ctx) unless $ctx->{flat};
# flat display: lazy load the full message from smsg
my $smsg;
while (my $m = shift @$msgs) {
$smsg = $ibx->smsg_mime($m) and last;
}
return missing_thread($ctx) unless $smsg;
$ctx->{-title_html} = ascii_html($smsg->subject);
$ctx->{-html_tip} = ''.index_entry($smsg, $ctx, scalar @$msgs);
$smsg = undef;
PublicInbox::WwwStream->response($ctx, 200, sub {
return unless $msgs;
$smsg = undef;
while (my $m = shift @$msgs) {
$smsg = $ibx->smsg_mime($m) and last;
}
return index_entry($smsg, $ctx, scalar @$msgs) if $smsg;
$msgs = undef;
$skel;
});
}
sub multipart_text_as_html {
my ($mime, $upfx, $ctx) = @_;
my $rv = "";
# scan through all parts, looking for displayable text
msg_iter($mime, sub { $rv .= add_text_body($upfx, $ctx, $_[0]) });
$rv;
}
sub flush_quote {
my ($s, $l, $quot) = @_;
# show everything in the full version with anchor from
# short version (see above)
my $rv = $l->linkify_1($$quot);
# we use a here to allow users to specify their own
# color for quoted text
$rv = $l->linkify_2(ascii_html($rv));
$$quot = undef;
$$s .= qq() . $rv . ''
}
sub attach_link ($$$$;$) {
my ($upfx, $ct, $p, $fn, $err) = @_;
my ($part, $depth, @idx) = @$p;
my $nl = $idx[-1] > 1 ? "\n" : '';
my $idx = join('.', @idx);
my $size = bytes::length($part->body);
# hide attributes normally, unless we want to aid users in
# spotting MUA problems:
$ct =~ s/;.*// unless $err;
$ct = ascii_html($ct);
my $desc = $part->header('Content-Description');
$desc = $fn unless defined $desc;
$desc = '' unless defined $desc;
my $sfn;
if (defined $fn && $fn =~ /\A$PublicInbox::Hval::FN\z/o) {
$sfn = $fn;
} elsif ($ct eq 'text/plain') {
$sfn = 'a.txt';
} else {
$sfn = 'a.bin';
}
my $ret = qq($nl);
if ($err) {
$ret .=
"[-- Warning: decoded text below may be mangled --]\n";
}
$ret .= "[-- Attachment #$idx: ";
my $ts = "Type: $ct, Size: $size bytes";
$desc = ascii_html($desc);
$ret .= ($desc eq '') ? "$ts --]" : "$desc --]\n[-- $ts --]";
$ret .= "\n";
}
sub add_text_body {
my ($upfx, $ctx, $p) = @_;
my $ibx = $ctx->{-inbox};
my $obfs_ibx = $ibx->{obfuscate} ? $ibx : undef;
# $p - from msg_iter: [ Email::MIME, depth, @idx ]
my ($part, $depth, @idx) = @$p;
my $ct = $part->content_type || 'text/plain';
my $fn = $part->filename;
my ($s, $err) = msg_part_text($part, $ct);
return attach_link($upfx, $ct, $p, $fn) unless defined $s;
# makes no difference to browsers, and don't screw up filename
# link generation in diffs with the extra '%0D'
$s =~ s/\r\n/\n/sg;
# always support diff-highlighting, but we can't linkify hunk
# headers for solver unless some coderepo are configured:
my $diff;
if ($s =~ /^(?:diff|---|\+{3}) /ms) {
# diffstat anchors do not link across attachments or messages:
$idx[0] = $upfx . $idx[0] if $upfx ne '';
$ctx->{-apfx} = join('/', @idx);
$ctx->{-anchors} = {}; # attr => filename
$ctx->{-diff} = $diff = [];
delete $ctx->{-long_path};
my $spfx;
if ($ibx->{-repo_objs}) {
if (index($upfx, '//') >= 0) { # absolute URL (Atom feeds)
$spfx = $upfx;
$spfx =~ s!/([^/]*)/\z!/!;
} else {
my $n_slash = $upfx =~ tr!/!/!;
if ($n_slash == 0) {
$spfx = '../';
} elsif ($n_slash == 1) {
$spfx = '';
} else { # nslash == 2
$spfx = '../../';
}
}
}
$ctx->{-spfx} = $spfx;
};
# some editors don't put trailing newlines at the end:
$s .= "\n" unless $s =~ /\n\z/s;
# split off quoted and unquoted blocks:
my @sections = split(/((?:^>[^\n]*\n)+)/sm, $s);
$s = '';
if (defined($fn) || $depth > 0 || $err) {
# badly-encoded message with $err? tell the world about it!
$s .= attach_link($upfx, $ct, $p, $fn, $err);
$s .= "\n";
}
my $l = PublicInbox::Linkify->new;
foreach my $cur (@sections) {
if ($cur =~ /\A>/) {
flush_quote(\$s, $l, \$cur);
} elsif ($diff) {
@$diff = split(/^/m, $cur);
$cur = undef;
flush_diff(\$s, $ctx, $l);
} else {
# regular lines, OK
$l->linkify_1($cur);
$s .= $l->linkify_2(ascii_html($cur));
$cur = undef;
}
}
obfuscate_addrs($obfs_ibx, $s) if $obfs_ibx;
$s;
}
sub _msg_html_prepare {
my ($hdr, $ctx, $more, $nr) = @_;
my $atom = '';
my $over = $ctx->{-inbox}->over;
my $obfs_ibx = $ctx->{-obfs_ibx};
my $rv = '';
my $mids = mids($hdr);
my $multiple = scalar(@$mids) > 1; # zero, one, infinity
if ($nr == 0) {
if ($more) {
$rv .=
"WARNING: multiple messages refer to this Message-ID\n
";
}
$rv .= ""; # anchor for body start
} else {
$rv .= '';
}
if ($over) {
$ctx->{-upfx} = '../';
}
my @title;
my $v;
if (defined($v = $hdr->header('From'))) {
$v = PublicInbox::Hval->new($v);
my @n = PublicInbox::Address::names($v->raw);
$title[1] = ascii_html(join(', ', @n));
$v = $v->as_html;
if ($obfs_ibx) {
obfuscate_addrs($obfs_ibx, $v);
obfuscate_addrs($obfs_ibx, $title[1]);
}
$rv .= "From: $v\n" if $v ne '';
}
foreach my $h (qw(To Cc)) {
defined($v = $hdr->header($h)) or next;
fold_addresses($v);
$v = ascii_html($v);
obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
$rv .= "$h: $v\n" if $v ne '';
}
if (defined($v = $hdr->header('Subject')) && ($v ne '')) {
$v = ascii_html($v);
obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx;
if ($over) {
$rv .= qq(Subject: $v\n);
} else {
$rv .= "Subject: $v\n";
}
$title[0] = $v;
} else { # dummy anchor for thread skeleton at bottom of page
$rv .= qq() if $over;
$title[0] = '(no subject)';
}
if (defined($v = $hdr->header('Date'))) {
$v = ascii_html($v);
obfuscate_addrs($obfs_ibx, $v) if $obfs_ibx; # possible :P
$rv .= "Date: $v\n";
}
$ctx->{-title_html} = join(' - ', @title);
foreach (@$mids) {
my $mid = PublicInbox::Hval->new_msgid($_) ;
my $mhtml = $mid->as_html;
if ($multiple) {
my $href = $mid->{href};
$rv .= "Message-ID: ";
$rv .= "";
$rv .= "<$mhtml> ";
$rv .= "(raw)\n";
} else {
$rv .= "Message-ID: <$mhtml> ";
$rv .= "(raw)\n";
}
}
$rv .= _parent_headers($hdr, $over);
$rv .= "\n";
}
sub thread_skel {
my ($dst, $ctx, $hdr, $tpfx) = @_;
my $mid = mids($hdr)->[0];
my $ibx = $ctx->{-inbox};
my ($nr, $msgs) = $ibx->over->get_thread($mid);
my $expand = qq(expand[flat) .
qq(|nested] ) .
qq(mbox.gz ) .
qq(Atom feed);
my $parent = in_reply_to($hdr);
$$dst .= "\nThread overview: ";
if ($nr <= 1) {
if (defined $parent) {
$$dst .= "$expand\n ";
$$dst .= ghost_parent("$tpfx../", $parent) . "\n";
} else {
$$dst .= "[no followups] $expand\n";
}
$ctx->{next_msg} = undef;
$ctx->{parent_msg} = $parent;
return;
}
$$dst .= "$nr+ messages / $expand";
$$dst .= qq! top\n!;
my $subj = $hdr->header('Subject');
defined $subj or $subj = '';
$subj = '(no subject)' if $subj eq '';
$ctx->{prev_subj} = [ split(/ /, subject_normalized($subj)) ];
$ctx->{cur} = $mid;
$ctx->{prev_attr} = '';
$ctx->{prev_level} = 0;
$ctx->{dst} = $dst;
# reduce hash lookups in skel_dump
$ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
walk_thread(thread_results($ctx, $msgs), $ctx, *skel_dump);
$ctx->{parent_msg} = $parent;
}
sub _parent_headers {
my ($hdr, $over) = @_;
my $rv = '';
my $refs = references($hdr);
my $irt = pop @$refs;
if (defined $irt) {
my $v = PublicInbox::Hval->new_msgid($irt);
my $html = $v->as_html;
my $href = $v->{href};
$rv .= "In-Reply-To: <";
$rv .= "$html>\n";
}
# do not display References: if search is present,
# we show the thread skeleton at the bottom, instead.
return $rv if $over;
if (@$refs) {
@$refs = map { linkify_ref_no_over($_) } @$refs;
$rv .= 'References: '. join("\n\t", @$refs) . "\n";
}
$rv;
}
sub html_footer {
my ($hdr, $standalone, $ctx, $rhref) = @_;
my $ibx = $ctx->{-inbox} if $ctx;
my $upfx = '../';
my $tpfx = '';
my $idx = $standalone ? " index" : '';
my $irt = '';
if ($idx && $ibx->over) {
$idx .= "\n";
thread_skel(\$idx, $ctx, $hdr, $tpfx);
my ($next, $prev);
my $parent = ' ';
$next = $prev = ' ';
if (my $n = $ctx->{next_msg}) {
$n = PublicInbox::Hval->new_msgid($n)->{href};
$next = "next";
}
my $u;
my $par = $ctx->{parent_msg};
if ($par) {
$u = PublicInbox::Hval->new_msgid($par)->{href};
$u = "$upfx$u/";
}
if (my $p = $ctx->{prev_msg}) {
$prev = PublicInbox::Hval->new_msgid($p)->{href};
if ($p && $par && $p eq $par) {
$prev = "prev parent';
$parent = '';
} else {
$prev = "prev';
$parent = " parent" if $u;
}
} elsif ($u) { # unlikely
$parent = " parent";
}
$irt = "$next $prev$parent ";
} else {
$irt = '';
}
$rhref ||= '#R';
$irt .= qq(reply);
$irt .= $idx;
}
sub linkify_ref_no_over {
my $v = PublicInbox::Hval->new_msgid($_[0]);
my $html = $v->as_html;
my $href = $v->{href};
"<$html>";
}
sub anchor_for {
my ($msgid) = @_;
'm' . id_compress($msgid, 1);
}
sub ghost_parent {
my ($upfx, $mid) = @_;
$mid = PublicInbox::Hval->new_msgid($mid);
my $href = $mid->{href};
my $html = $mid->as_html;
qq{[parent not found: <$html>]};
}
sub indent_for {
my ($level) = @_;
$level ? INDENT x ($level - 1) : '';
}
sub find_mid_root {
my ($ctx, $level, $node, $idx) = @_;
++$ctx->{root_idx} if $level == 0;
if ($node->{id} eq $ctx->{mid}) {
$ctx->{found_mid_at} = $ctx->{root_idx};
return 0;
}
1;
}
sub strict_loose_note ($) {
my ($nr) = @_;
my $msg =
" -- strict thread matches above, loose matches on Subject: below --\n";
if ($nr > PublicInbox::Over::DEFAULT_LIMIT()) {
$msg .=
" -- use mbox.gz link to download all $nr messages --\n";
}
$msg;
}
sub thread_results {
my ($ctx, $msgs) = @_;
require PublicInbox::SearchThread;
my $ibx = $ctx->{-inbox};
my $rootset = PublicInbox::SearchThread::thread($msgs, *sort_ds, $ibx);
# FIXME: `tid' is broken on --reindex, so that needs to be fixed
# and preserved in the future. This bug is hidden by `sid' matches
# in get_thread, so we never noticed it until now. And even when
# reindexing is fixed, we'll keep this code until a SCHEMA_VERSION
# bump since reindexing is expensive and users may not do it
# loose threading could've returned too many results,
# put the root the message we care about at the top:
my $mid = $ctx->{mid};
if (defined($mid) && scalar(@$rootset) > 1) {
$ctx->{root_idx} = -1;
my $nr = scalar @$msgs;
walk_thread($rootset, $ctx, *find_mid_root);
my $idx = $ctx->{found_mid_at};
if (defined($idx) && $idx != 0) {
my $tip = splice(@$rootset, $idx, 1);
@$rootset = reverse @$rootset;
unshift @$rootset, $tip;
$ctx->{sl_note} = strict_loose_note($nr);
}
}
$rootset
}
sub missing_thread {
my ($ctx) = @_;
require PublicInbox::ExtMsg;
PublicInbox::ExtMsg::ext_msg($ctx);
}
sub fmt_ts { POSIX::strftime('%Y-%m-%d %k:%M', gmtime($_[0])) }
sub dedupe_subject {
my ($prev_subj, $subj, $val) = @_;
my $omit = ''; # '"' denotes identical text omitted
my (@prev_pop, @curr_pop);
while (@$prev_subj && @$subj && $subj->[-1] eq $prev_subj->[-1]) {
push(@prev_pop, pop(@$prev_subj));
push(@curr_pop, pop(@$subj));
$omit ||= $val;
}
pop @$subj if @$subj && $subj->[-1] =~ /^re:\s*/i;
if (scalar(@curr_pop) == 1) {
$omit = '';
push @$prev_subj, @prev_pop;
push @$subj, @curr_pop;
}
$omit;
}
sub skel_dump {
my ($ctx, $level, $node) = @_;
my $smsg = $node->{smsg} or return _skel_ghost($ctx, $level, $node);
my $dst = $ctx->{dst};
my $cur = $ctx->{cur};
my $mid = $smsg->{mid};
if ($level == 0 && $ctx->{skel_dump_roots}++) {
$$dst .= delete $ctx->{sl_note} || '';
}
my $f = ascii_html($smsg->from_name);
my $obfs_ibx = $ctx->{-obfs_ibx};
obfuscate_addrs($obfs_ibx, $f) if $obfs_ibx;
my $d = fmt_ts($smsg->{ds}) . ' ' . indent_for($level) . th_pfx($level);
my $attr = $f;
$ctx->{first_level} ||= $level;
if ($attr ne $ctx->{prev_attr} || $ctx->{prev_level} > $level) {
$ctx->{prev_attr} = $attr;
}
$ctx->{prev_level} = $level;
if ($cur) {
if ($cur eq $mid) {
delete $ctx->{cur};
$$dst .= "$d".
"$attr [this message]\n";
return 1;
} else {
$ctx->{prev_msg} = $mid;
}
} else {
$ctx->{next_msg} ||= $mid;
}
# Subject is never undef, this mail was loaded from
# our Xapian which would've resulted in '' if it were
# really missing (and Filter rejects empty subjects)
my @subj = split(/ /, subject_normalized($smsg->subject));
# remove common suffixes from the subject if it matches the previous,
# so we do not show redundant text at the end.
my $prev_subj = $ctx->{prev_subj} || [];
$ctx->{prev_subj} = [ @subj ];
my $omit = dedupe_subject($prev_subj, \@subj, '" ');
my $end;
if (@subj) {
my $subj = join(' ', @subj);
$subj = ascii_html($subj);
obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
$end = "$subj $omit$f\n"
} else {
$end = "$f\n";
}
my $m;
my $id = '';
my $mapping = $ctx->{mapping};
if ($mapping) {
my $map = $mapping->{$mid};
$id = id_compress($mid, 1);
$m = '#m'.$id;
$map->[0] = "$d$end";
$id = "\nid=r".$id;
} else {
$m = $ctx->{-upfx}.mid_escape($mid).'/';
}
$$dst .= $d . "" . $end;
1;
}
sub _skel_ghost {
my ($ctx, $level, $node) = @_;
my $mid = $node->{id};
my $d = $ctx->{pct} ? ' [irrelevant] ' # search result
: ' [not found] ';
$d .= indent_for($level) . th_pfx($level);
my $upfx = $ctx->{-upfx};
my $m = PublicInbox::Hval->new_msgid($mid);
my $href = $upfx . $m->{href} . '/';
my $html = $m->as_html;
my $mapping = $ctx->{mapping};
my $map = $mapping->{$mid} if $mapping;
if ($map) {
my $id = id_compress($mid, 1);
$map->[0] = $d . qq{<$html>\n};
$d .= qq{<$html>\n};
} else {
$d .= qq{<$html>\n};
}
my $dst = $ctx->{dst};
$$dst .= $d;
1;
}
sub sort_ds {
[ sort {
(eval { $a->topmost->{smsg}->ds } || 0) <=>
(eval { $b->topmost->{smsg}->ds } || 0)
} @{$_[0]} ];
}
# accumulate recent topics if search is supported
# returns 200 if done, 404 if not
sub acc_topic {
my ($ctx, $level, $node) = @_;
my $mid = $node->{id};
my $x = $node->{smsg} || $ctx->{-inbox}->smsg_by_mid($mid);
my ($subj, $ds);
my $topic;
if ($x) {
$subj = $x->subject;
$subj = subject_normalized($subj);
$subj = '(no subject)' if $subj eq '';
$ds = $x->ds;
if ($level == 0) {
$topic = [ $ds, 1, { $subj => $mid }, $subj ];
$ctx->{-cur_topic} = $topic;
push @{$ctx->{order}}, $topic;
return 1;
}
$topic = $ctx->{-cur_topic}; # should never be undef
$topic->[0] = $ds if $ds > $topic->[0];
$topic->[1]++;
my $seen = $topic->[2];
if (scalar(@$topic) == 3) { # parent was a ghost
push @$topic, $subj;
} elsif (!$seen->{$subj}) {
push @$topic, $level, $subj;
}
$seen->{$subj} = $mid; # latest for subject
} else { # ghost message
return 1 if $level != 0; # ignore child ghosts
$topic = [ -666, 0, {} ];
$ctx->{-cur_topic} = $topic;
push @{$ctx->{order}}, $topic;
}
1;
}
sub dump_topics {
my ($ctx) = @_;
my $order = delete $ctx->{order}; # [ ds, subj1, subj2, subj3, ... ]
if (!@$order) {
$ctx->{-html_tip} = '[No topics in range]
';
return 404;
}
my @out;
my $ibx = $ctx->{-inbox};
my $obfs_ibx = $ibx->{obfuscate} ? $ibx : undef;
# sort by recency, this allows new posts to "bump" old topics...
foreach my $topic (sort { $b->[0] <=> $a->[0] } @$order) {
my ($ds, $n, $seen, $top, @ex) = @$topic;
@$topic = ();
next unless defined $top; # ghost topic
my $mid = delete $seen->{$top};
my $href = mid_escape($mid);
my $prev_subj = [ split(/ /, $top) ];
$top = PublicInbox::Hval->new($top)->as_html;
$ds = fmt_ts($ds);
# $n isn't the total number of posts on the topic,
# just the number of posts in the current results window
my $anchor;
if ($n == 1) {
$n = '';
$anchor = '#u'; # top of only message
} else {
$n = " ($n+ messages)";
$anchor = '#t'; # thread skeleton
}
my $mbox = qq(mbox.gz);
my $atom = qq(Atom);
my $s = "$top\n" .
" $ds UTC $n - $mbox / $atom\n";
for (my $i = 0; $i < scalar(@ex); $i += 2) {
my $level = $ex[$i];
my $subj = $ex[$i + 1];
$mid = delete $seen->{$subj};
my @subj = split(/ /, subject_normalized($subj));
my @next_prev = @subj; # full copy
my $omit = dedupe_subject($prev_subj, \@subj, ' "');
$prev_subj = \@next_prev;
$subj = ascii_html(join(' ', @subj));
obfuscate_addrs($obfs_ibx, $subj) if $obfs_ibx;
$href = mid_escape($mid);
$s .= indent_for($level) . TCHILD;
$s .= "$subj$omit\n";
}
push @out, $s;
}
$ctx->{-html_tip} = '' . join("\n", @out) . '
';
200;
}
sub ts2str ($) {
my ($ts) = @_;
POSIX::strftime('%Y%m%d%H%M%S', gmtime($ts));
}
sub str2ts ($) {
my ($yyyy, $mon, $dd, $hh, $mm, $ss) = unpack('A4A2A2A2A2A2', $_[0]);
timegm($ss, $mm, $hh, $dd, $mon - 1, $yyyy);
}
sub pagination_footer ($$) {
my ($ctx, $latest) = @_;
delete $ctx->{qp} or return;
my $next = $ctx->{next_page} || '';
my $prev = $ctx->{prev_page} || '';
if ($prev) {
$next = $next ? "$next " : ' ';
$prev .= qq! latest!;
}
"
page: $next$prev
";
}
sub index_nav { # callback for WwwStream
my (undef, $ctx) = @_;
pagination_footer($ctx, '.')
}
sub paginate_recent ($$) {
my ($ctx, $lim) = @_;
my $t = $ctx->{qp}->{t} || '';
my $opts = { limit => $lim };
my ($after, $before);
# Xapian uses '..' but '-' is perhaps friendier to URL linkifiers
# if only $after exists "YYYYMMDD.." because "." could be skipped
# if interpreted as an end-of-sentence
$t =~ s/\A([0-9]{8,14})-// and $after = str2ts($1);
$t =~ /\A([0-9]{8,14})\z/ and $before = str2ts($1);
my $ibx = $ctx->{-inbox};
my $msgs = $ibx->recent($opts, $after, $before);
my $nr = scalar @$msgs;
if ($nr < $lim && defined($after)) {
$after = $before = undef;
$msgs = $ibx->recent($opts);
$nr = scalar @$msgs;
}
my $more = $nr == $lim;
my ($newest, $oldest);
if ($nr) {
$newest = $msgs->[0]->{ts};
$oldest = $msgs->[-1]->{ts};
# if we only had $after, our SQL query in ->recent ordered
if ($newest < $oldest) {
($oldest, $newest) = ($newest, $oldest);
$more = 0 if defined($after) && $after < $oldest;
}
}
if (defined($oldest) && $more) {
my $s = ts2str($oldest);
$ctx->{next_page} = qq!next!;
}
if (defined($newest) && (defined($before) || defined($after))) {
my $s = ts2str($newest);
$ctx->{prev_page} = qq!prev!;
}
$msgs;
}
sub index_topics {
my ($ctx) = @_;
my $msgs = paginate_recent($ctx, 200); # 200 is our window
if (@$msgs) {
walk_thread(thread_results($ctx, $msgs), $ctx, *acc_topic);
}
PublicInbox::WwwStream->response($ctx, dump_topics($ctx), *index_nav);
}
sub thread_adj_level {
my ($ctx, $level) = @_;
my $max = $ctx->{cur_level};
if ($level <= 0) {
return ('', '') if $max == 0; # flat output
# reset existing lists
my $beg = $max > 1 ? ('' x ($max - 1)) : '';
$ctx->{cur_level} = 0;
("$beg", '');
} elsif ($level == $max) { # continue existing list
qw(
);
} elsif ($level < $max) {
my $beg = $max > 1 ? ('' x ($max - $level)) : '';
$ctx->{cur_level} = $level;
("$beg", '');
} else { # ($level > $max) # start a new level
$ctx->{cur_level} = $level;
my $beg = ($max ? '' : '') . '- ';
($beg, '
');
}
}
sub ghost_index_entry {
my ($ctx, $level, $node) = @_;
my ($beg, $end) = thread_adj_level($ctx, $level);
$beg . '
'. ghost_parent($ctx->{-upfx}, $node->{id})
. '
' . $end;
}
1;