[tgal] / mason / dhandler

%### -*-html-*-
%###
%### Main output for Trivial Gallery.
%###
%### (c) 2021 Mark Wooding
%###
%
%###----- Licensing notice --------------------------------------------------
%###
%### This file is part of Trivial Gallery.
%###
%### Trivial Gallery is free software: you can redistribute it and/or modify
%### it under the terms of the GNU Affero General Public License as
%### published by the Free Software Foundation; either version 3 of the
%### License, or (at your option) any later version.
%###
%### Trivial Gallery is distributed in the hope that it will be useful, but
%### WITHOUT ANY WARRANTY; without even the implied warranty of
%### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
%### Affero General Public License for more details.
%###
%### You should have received a copy of the GNU Affero General Public
%### License along with Trivial Gallery.  If not, see
%### <https://www.gnu.org/licenses/>.
%
%###-------------------------------------------------------------------------
<%def .html>\
% $r->content_type("text/html; charset=\"utf-8\"");
<!DOCTYPE html>
<!--
Trivial Gallery, copyright © 2021 Mark Wooding.
Free software: you can redistribute it and/or modify it under the terms
of the GNU Affero General Public License.
-->
<html>
<head>
  <meta name=viewport content="width=device-width initial-scale=1.0">
  <script type="text/javascript" src="<% "$STATICURL/tgal.js" |hu %>" defer></script>
  <link rel=stylesheet type=text/css href="<% "$STATICURL/tgal.css" |hu %>">
<% $head %>\
  <title><% $title %></title>
</head>
<body>
<% $m->content %>
</body>
</html>\
%
<%args>
	$title
	$head => ""
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .not-found>\
<&| .html, title => "Not found" &>
<h1>Not found</h1>
Failed to find &lsquo;<% $path |h %>&rsquo;.
</&>
% return 404;
%
<%args>
	$path
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .contact>\
<%perl>
	unless ($r->path_info =~ m!/$!)
	  { $m->redirect(join_paths($SCRIPTURL, $path) . "/"); }

	my $real = join_paths $IMGROOT, $path;
	my $url = join_paths $SCRIPTURL, $path;
	my ($dd, $ff, $ii) = listdir $real;
	my $links = "";
	my $uplink;
	if ($path eq "" || $path eq "/") { $uplink = undef; }
	else {
	  ($uplink = $path) =~ s![^/]*/$!!;
	  $links .= sprintf "  <link rel=up href=\"%s\">\n",
	    urlencode "$SCRIPTURL/$uplink";
	}
	(my $nosl = $path) =~ s!/$!!;

	my @size = ("smallthumb", "medthumb", "bigthumb");
	my %tn;
	my %count;
	for my $f (@$ff) {
	  my $img = TrivGal::Image->new($path . $f->name);
	  for my $size (@size) { $tn{$f}{$size} = $img->scale($size); }
	}
	for my $d (@$dd) {
	  my $p = join_paths $path, $d->name;
	  my ($ddd, $fff, $iii);
	  ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;

	  my $count = "";
	  $count .= scalar(@$ddd) . "/" if @$ddd;
	  $count .= scalar(@$fff) if @$fff;
	  $count{$d} = $count;

	  DIR: for (;;) {
	    if (defined $iii) {
	      my $index = join_paths $p, $iii->name;
	      my $img = TrivGal::Image->new($index);
	      for my $size (@size) { $tn{$d}{$size} = $img->scale($size); }
	      last DIR;
	    }
	    if (!@$ddd) { $tn{$d} = undef; last DIR; }
	    $p = join_paths $p, $ddd->[0]->name;
	    ($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
	  }
	}
</%perl>
%
<&| .html, title =>
	     "Folder " . $m->interp->apply_escapes($nosl || "[top]", "h"),
	   head => $links &>
<&| .breadcrumbs, what => "Folder", path => $path &>
  <div class="menu">
    <a href="<% "$SCRIPTURL/" . substr($path, 0, -1) . ".zip" |hu %>">[zip]</a>
  </div>
</&>
%
% my $note = contents "$IMGROOT/$path/.tgal-note.html";
% if (defined $note) {
<div class=note>
<% $note %>
</div>
% }
%
% if (@$dd) {
<h2>Subfolders</h2>
%   for my $size (@size) {
<div class="gallery <% $size %>">
%     for my $d (@$dd) {
  <& .thumbnail, target => $d->name, comment => $d->comment,
		 tn => $tn{$d}{$size}, size => $size,
		 caption =>
		   $m->interp->apply_escapes($d->name, "h") .
		   " [$count{$d}]" &>\
%     }
</div>
%   }
% }
%
% if (@$ff) {
<h2>Images</h2>
%   for my $size (@size) {
<div class="gallery <% $size %>">
%     for my $f (@$ff) {
  <& .thumbnail, target => $f->name, comment => $f->comment,
		 tn => $tn{$f}{$size}, size => $size,
		 caption => $m->interp->apply_escapes($f->name, "h") &>\
%     }
</div>
%   }
% }
%
<div class=fill></div>
<& .footer, path => $path &>
</&>
%
<%args>
	$path
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .zip>\
<%perl>
	my $st = stat "$IMGROOT/$path";
	if (!$st) { $m->comp(".not-found", path => $path); return; }
	my $zip = "$TMP/t$$-download.zip";
	my $err = "$TMP/t$$-download.stderr";
	my $kid = fork;
	if (!$kid) {
	  untie *STDIN; open STDIN, "</dev/null";
	  untie *STDOUT; open STDOUT, ">/dev/null";
	  untie *STDERR; open STDERR, ">", $err;
	  chdir "$IMGROOT/$path";
	  exec "zip", "-qr", $zip, ".";
	  exit 127;
	}
	waitpid $kid, 0;
</%perl>
%
% if ($?) {
<&| .html, title => "Zip failed (rc = $?)" &>
<pre>
<%perl>
	open my $f, "<", $err;
	my $buf;
	while (read $f, $buf, 16384) { $m->print($buf); }
</%perl>
</pre>
</&>
% } else {
<%perl>
	$r->content_type("application/zip");
	open my $f, "<", $zip; binmode $f;
	my $buf;
	while (read $f, $buf, 16384) { $m->print($buf); }
</%perl>
% }
%
<%perl>
	eval { unlink $zip; };
	eval { unlink $err; };
</%perl>

%
<%args>
	$path
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .image>\
<%perl>
	my ($dir, $base, $ext) = split_path $path;

	if (defined $scale) {
	  my $img = TrivGal::Image->new($path);
	  $m->redirect($img->scale($scale, 1));
	}

	my $real = join_paths $IMGROOT, $path;
	my $url = join_paths $IMGURL, $path;
	my $realdir = join_paths $IMGROOT, $dir;
	my $urldir = join_paths $SCRIPTURL, $dir;
	my ($dd, $ff, $ii) = listdir $realdir;
	my @thumbsz = qw{smallthumb medthumb bigthumb};
	my @imgsz = sort { $SIZE{$a} <=> $SIZE{$b} } keys %SIZE;
	my ($wd, $ht, $max);
	my %tn;
	my %vw;

	my $fi = undef;
	FILE: for (my $i = 0; $i < @$ff; $i++) {
	  my $f = $ff->[$i];
	  my $img = TrivGal::Image->new(join_paths $dir, $f->name);
	  for my $sz (@thumbsz) { $tn{$f->name}{$sz} = $img->scale($sz); }
	  if ($ff->[$i]->name eq "$base$ext") {
	    $fi = $i;
	    ($wd, $ht) = ($img->wd, $img->ht);
	    $max = $img->sz;
	    SIZE: for my $sc (@imgsz) {
	      my $sz = $SIZE{$sc};
	      last SIZE if $max < $sz;
	      $vw{$sc} = $img->scale($sc);
	    }
	  }
	}
	defined $fi or die "image not found in its folder?";
	my $this = $ff->[$fi];

	my %link;
	$link{up} = "";
	if ($fi != 0) {
	  $link{first} = $ff->[0]->name;
	  $link{prev} = $ff->[$fi - 1]->name;
	}
	if ($fi != @$ff - 1) {
	  $link{last} = $ff->[-1]->name;
	  $link{next} = $ff->[$fi + 1]->name;
	}

	my $links = "";
	my $pre = urlencode join_paths $SCRIPTURL, $dir;
	for my $rel (qw{up first prev next last}) {
	  $links .= sprintf "  <link rel=%s href=\"%s\">\n", $rel,
			    urlencode "$pre/$link{$rel}"
	    if exists $link{$rel};
	}
</%perl>
%
<&| .html, title => "Image " . $m->interp->apply_escapes($path, "h"),
	   head => $links &>
<& .breadcrumbs, what => "Image", path => $path &>
% if ($this->comment) {
  <div class=comment>
    <p><% $this->comment %>
  </div>
% }
%
<div class=viewnav>
% if ($link{prev}) {
  <div class=prev><a class=prev href="<% "$pre/$link{prev}" |hu %>">&lsaquo;</a></div>
% }
  <a class=view href="<% $url |h %>">
    <picture>
% my ($hoff, $voff) = (60, 480);
% SIZE: for (my $i = 0; $i < @imgsz; $i++) {
%   my $scale = $imgsz[$i];
%   last SIZE unless exists $vw{$scale};
%   my $scsz = $SIZE{$scale};
%   my $f = $scsz/$max;
%   my ($thiswd, $thisht) = map int, ($f*$wd + $hoff, $f*$ht + $voff);
      <source srcset="<% $vw{$scale} |h %>"
	      media="(max-width: <% $thiswd %>px) or (max-height: <% $thisht %>px)">
% }
      <img src="<% "$IMGURL/$path" |hu %>">
    </picture>
  </a>
% if ($link{next}) {
  <div class=next><a class=next href="<% "$pre/$link{next}" |hu %>">&rsaquo;</a></div>
% }
</div>
%
% for my $size (qw{smallthumb medthumb bigthumb}) {
<div class="thumbstrip <% $size %>">
%   for my $f (@$ff) {
  <& .thumbnail, target => $f->name,
		 tn => $tn{$f->name}{$size}, size => $size,
		 caption => $m->interp->apply_escapes($f->name, "h"),
		 focus => $f eq $this &>\
%   }
</div>
% }
<& .footer, path => $dir &>
</&>
%
<%args>
	$path
	$scale => undef
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .breadcrumbs>\
% $path =~ s!/$!!;
% my @p = split m!/!, $path;
% my $pp = "";
% my $prev = undef;
<h1><% $what %> \
% if (!@p) {
[top]
% } else {
<a href="<% $SCRIPTURL |hu %>/">[top]</a>&thinsp;/&thinsp;\
%   STEP: for my $p (@p) {
%     if (defined $prev) {
%       $pp .= "$prev/";
<a href="<% join_paths($SCRIPTURL, $pp) |hu %>/">\
<% $prev %></a>&thinsp;/&thinsp;\
%     }
%     $prev = $p;
%   }
<% $prev %>\
% }
% if ($m->has_content) {

<% $m->content %>\
% }
</h1>
<%args>
	$what
	$path
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .thumbnail>\
% $tn //= "$STATICURL/folder.svg";
% if ($focus) {
  <figure class="thumb focusthumb <% $size %>">
    <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
    <figcaption><span class=name><% $caption %></span></figcaption>
% } else {
  <figure class="thumb <% $size %>">
    <a class=thumb href="<% $target |hu %>">
      <img class="thumb <% $size %>" loading=lazy src="<% $tn |h %>">
      <figcaption>
	<span class=name><% $caption %></span>
% if (defined $comment) {
	<span class=comment><% $comment %></span>
% }
      </figcaption>
    </a>
% }
  </figure>
%
<%args>
	$target
	$tn
	$size
	$caption
	$comment => undef
	$focus => 0
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%def .footer>\
<%perl>
</%perl>
<div class=footer>
  <div class=footitem>
    <a href="https://www.gnu.org/licenses/agpl-3.0.en.html"><img class=licence src="<% "$STATICURL/agpl.png" |hu %>"></a>
    Trivial Gallery, copyright &copy; 2021 Mark Wooding.
    Free software: you can modify it and/or redistribute it under the
    terms of the
    <a rel=license href="https://www.gnu.org/licenses/agpl-3.0.en.html">GNU Affero
    General Public License version 3</a>.
    Browse or download the <a href="<% $SRCURL %>">source code</a>.
  </div>
% my $user =
%   find_covering_file $IMGROOT, $path, ".tgal-footer.html";
% if (defined $user) {
  <div class=footitem>
<% $user %>
  </div>
% }
</div>
<%args>
	$path
</%args>
</%def>
%
%###-------------------------------------------------------------------------
<%once>
	use autodie;
	use File::stat;

	use TrivGal;
</%once>
%
<%init>
	TrivGal->init;

	my $path = $m->dhandler_arg;
	my $st = stat "$IMGROOT/$path";
	my $comp;
	if (!$st) {
	  $comp = ".not-found";
	  if ($path =~ /^ (.*) (\.(?: zip)) $/x) {
	    $st = stat "$IMGROOT/$1";
	    if ($st) { $path = $1; $comp = $2; }
	  }
	}
	elsif (-d $st) { $comp = ".contact"; }
	elsif (-f $st) { $comp = ".image"; }
	else { $comp = ".not-found"; }
        $r->header_out("X-AGPL-Source" => $SRCURL);
	$m->comp($comp, path => $path, %ARGS);
</%init>
%
%###----- That's all, folks -------------------------------------------------
Commit	Line	Data
6ac5dde2 MW	1	%### --html--
	2	%###
	3	%### Main output for Trivial Gallery.
	4	%###
	5	%### (c) 2021 Mark Wooding
	6	%###
	7	%
	8	%###----- Licensing notice --------------------------------------------------
	9	%###
	10	%### This file is part of Trivial Gallery.
	11	%###
	12	%### Trivial Gallery is free software: you can redistribute it and/or modify
	13	%### it under the terms of the GNU Affero General Public License as
	14	%### published by the Free Software Foundation; either version 3 of the
	15	%### License, or (at your option) any later version.
	16	%###
	17	%### Trivial Gallery is distributed in the hope that it will be useful, but
	18	%### WITHOUT ANY WARRANTY; without even the implied warranty of
	19	%### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	20	%### Affero General Public License for more details.
	21	%###
	22	%### You should have received a copy of the GNU Affero General Public
	23	%### License along with Trivial Gallery. If not, see
	24	%### <https://www.gnu.org/licenses/>.
	25	%
	26	%###-------------------------------------------------------------------------
	27	<%def .html>\
	28	% $r->content_type("text/html; charset=\"utf-8\"");
	29	<!DOCTYPE html>
	30	<!--
	31	Trivial Gallery, copyright © 2021 Mark Wooding.
	32	Free software: you can redistribute it and/or modify it under the terms
	33	of the GNU Affero General Public License.
	34	-->
	35	<html>
	36	<head>
	37	<meta name=viewport content="width=device-width initial-scale=1.0">
988a1d43 MW	38	<script type="text/javascript" src="<% "$STATICURL/tgal.js" \|hu %>" defer></script>
988a1d43 MW	39	<link rel=stylesheet type=text/css href="<% "$STATICURL/tgal.css" \|hu %>">
6ac5dde2 MW	40	<% $head %>\
	41	<title><% $title %></title>
	42	</head>
	43	<body>
	44	<% $m->content %>
	45	</body>
	46	</html>\
	47	%
	48	<%args>
	49	$title
	50	$head => ""
	51	</%args>
	52	</%def>
	53	%
	54	%###-------------------------------------------------------------------------
	55	<%def .not-found>\
	56	<&\| .html, title => "Not found" &>
	57	<h1>Not found</h1>
	58	Failed to find ‘<% $path \|h %>’.
	59	</&>
	60	% return 404;
	61	%
	62	<%args>
	63	$path
	64	</%args>
	65	</%def>
	66	%
	67	%###-------------------------------------------------------------------------
	68	<%def .contact>\
	69	<%perl>
458a80b2 MW	70	unless ($r->path_info =~ m!/$!)
	71	{ $m->redirect(join_paths($SCRIPTURL, $path) . "/"); }
	72
6ac5dde2 MW	73	my $real = join_paths $IMGROOT, $path;
	74	my $url = join_paths $SCRIPTURL, $path;
	75	my ($dd, $ff, $ii) = listdir $real;
	76	my $links = "";
	77	my $uplink;
	78	if ($path eq "" \|\| $path eq "/") { $uplink = undef; }
	79	else {
	80	($uplink = $path) =~ s![^/]*/$!!;
	81	$links .= sprintf " <link rel=up href=\"%s\">\n",
	82	urlencode "$SCRIPTURL/$uplink";
	83	}
	84	(my $nosl = $path) =~ s!/$!!;
6e749fab	85
84ffdea7	86	my @size = ("smallthumb", "medthumb", "bigthumb");
6e749fab	87	my %tn;
f6ac1767	88	my %count;
84ffdea7 MW	89	for my $f (@$ff) {
	90	my $img = TrivGal::Image->new($path . $f->name);
	91	for my $size (@size) { $tn{$f}{$size} = $img->scale($size); }
	92	}
6e749fab	93	for my $d (@$dd) {
2fe5383f	94	my $p = join_paths $path, $d->name;
b0e94d8a MW	95	my ($ddd, $fff, $iii);
b0e94d8a MW	96	($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
f6ac1767 MW	97
	98	my $count = "";
	99	$count .= scalar(@$ddd) . "/" if @$ddd;
	100	$count .= scalar(@$fff) if @$fff;
	101	$count{$d} = $count;
	102
2fe5383f	103	DIR: for (;;) {
2fe5383f MW	104	if (defined $iii) {
2fe5383f MW	105	my $index = join_paths $p, $iii->name;
84ffdea7 MW	106	my $img = TrivGal::Image->new($index);
84ffdea7 MW	107	for my $size (@size) { $tn{$d}{$size} = $img->scale($size); }
2fe5383f MW	108	last DIR;
	109	}
	110	if (!@$ddd) { $tn{$d} = undef; last DIR; }
	111	$p = join_paths $p, $ddd->[0]->name;
b0e94d8a	112	($ddd, $fff, $iii) = listdir join_paths $IMGROOT, $p;
2fe5383f	113	}
6e749fab	114	}
6ac5dde2 MW	115	</%perl>
6ac5dde2 MW	116	%
3d7d20f8 MW	117	<&\| .html, title =>
3d7d20f8 MW	118	"Folder " . $m->interp->apply_escapes($nosl \|\| "[top]", "h"),
6ac5dde2	119	head => $links &>
aa5c3a51 MW	120	<&\| .breadcrumbs, what => "Folder", path => $path &>
	121	<div class="menu">
	122	<a href="<% "$SCRIPTURL/" . substr($path, 0, -1) . ".zip" \|hu %>">[zip]</a>
	123	</div>
	124	</&>
6ac5dde2 MW	125	%
	126	% my $note = contents "$IMGROOT/$path/.tgal-note.html";
	127	% if (defined $note) {
	128	<div class=note>
	129	<% $note %>
	130	</div>
	131	% }
	132	%
	133	% if (@$dd) {
	134	<h2>Subfolders</h2>
84ffdea7	135	% for my $size (@size) {
6e749fab	136	<div class="gallery <% $size %>">
84ffdea7	137	% for my $d (@$dd) {
24f4eac3	138	<& .thumbnail, target => $d->name, comment => $d->comment,
84ffdea7	139	tn => $tn{$d}{$size}, size => $size,
27ad11a2	140	caption =>
f6ac1767 MW	141	$m->interp->apply_escapes($d->name, "h") .
f6ac1767 MW	142	" [$count{$d}]" &>\
84ffdea7	143	% }
f4b90914	144	</div>
84ffdea7	145	% }
6ac5dde2 MW	146	% }
	147	%
	148	% if (@$ff) {
	149	<h2>Images</h2>
84ffdea7	150	% for my $size (@size) {
6e749fab	151	<div class="gallery <% $size %>">
84ffdea7	152	% for my $f (@$ff) {
dfdd1964	153	<& .thumbnail, target => $f->name, comment => $f->comment,
84ffdea7	154	tn => $tn{$f}{$size}, size => $size,
dfdd1964	155	caption => $m->interp->apply_escapes($f->name, "h") &>\
84ffdea7	156	% }
f4b90914	157	</div>
84ffdea7	158	% }
6ac5dde2 MW	159	% }
	160	%
	161	<div class=fill></div>
	162	<& .footer, path => $path &>
	163	</&>
aa5c3a51 MW	164	%
	165	<%args>
	166	$path
	167	</%args>
	168	</%def>
	169	%
	170	%###-------------------------------------------------------------------------
	171	<%def .zip>\
	172	<%perl>
	173	my $st = stat "$IMGROOT/$path";
	174	if (!$st) { $m->comp(".not-found", path => $path); return; }
	175	my $zip = "$TMP/t$$-download.zip";
	176	my $err = "$TMP/t$$-download.stderr";
	177	my $kid = fork;
	178	if (!$kid) {
	179	untie *STDIN; open STDIN, "</dev/null";
	180	untie *STDOUT; open STDOUT, ">/dev/null";
	181	untie *STDERR; open STDERR, ">", $err;
	182	chdir "$IMGROOT/$path";
	183	exec "zip", "-qr", $zip, ".";
	184	exit 127;
	185	}
	186	waitpid $kid, 0;
	187	</%perl>
	188	%
	189	% if ($?) {
	190	<&\| .html, title => "Zip failed (rc = $?)" &>
	191	<pre>
	192	<%perl>
	193	open my $f, "<", $err;
	194	my $buf;
	195	while (read $f, $buf, 16384) { $m->print($buf); }
	196	</%perl>
	197	</pre>
	198	</&>
	199	% } else {
	200	<%perl>
	201	$r->content_type("application/zip");
	202	open my $f, "<", $zip; binmode $f;
	203	my $buf;
	204	while (read $f, $buf, 16384) { $m->print($buf); }
	205	</%perl>
	206	% }
	207	%
	208	<%perl>
	209	eval { unlink $zip; };
	210	eval { unlink $err; };
	211	</%perl>
	212
6ac5dde2 MW	213	%
	214	<%args>
	215	$path
	216	</%args>
	217	</%def>
	218	%
	219	%###-------------------------------------------------------------------------
	220	<%def .image>\
	221	<%perl>
	222	my ($dir, $base, $ext) = split_path $path;
9601c4bb	223
bfc5bfe6 MW	224	if (defined $scale) {
bfc5bfe6 MW	225	my $img = TrivGal::Image->new($path);
784bdf8f	226	$m->redirect($img->scale($scale, 1));
bfc5bfe6	227	}
9601c4bb	228
bfc5bfe6	229	my $real = join_paths $IMGROOT, $path;
6ac5dde2 MW	230	my $url = join_paths $IMGURL, $path;
	231	my $realdir = join_paths $IMGROOT, $dir;
	232	my $urldir = join_paths $SCRIPTURL, $dir;
	233	my ($dd, $ff, $ii) = listdir $realdir;
bfc5bfe6	234	my @thumbsz = qw{smallthumb medthumb bigthumb};
7cd805d1 MW	235	my @imgsz = sort { $SIZE{$a} <=> $SIZE{$b} } keys %SIZE;
7cd805d1 MW	236	my ($wd, $ht, $max);
bfc5bfe6	237	my %tn;
7cd805d1	238	my %vw;
6ac5dde2 MW	239
6ac5dde2 MW	240	my $fi = undef;
bfc5bfe6 MW	241	FILE: for (my $i = 0; $i < @$ff; $i++) {
	242	my $f = $ff->[$i];
	243	my $img = TrivGal::Image->new(join_paths $dir, $f->name);
	244	for my $sz (@thumbsz) { $tn{$f->name}{$sz} = $img->scale($sz); }
7cd805d1 MW	245	if ($ff->[$i]->name eq "$base$ext") {
	246	$fi = $i;
	247	($wd, $ht) = ($img->wd, $img->ht);
	248	$max = $img->sz;
	249	SIZE: for my $sc (@imgsz) {
	250	my $sz = $SIZE{$sc};
	251	last SIZE if $max < $sz;
	252	$vw{$sc} = $img->scale($sc);
	253	}
	254	}
bfc5bfe6	255	}
6ac5dde2 MW	256	defined $fi or die "image not found in its folder?";
	257	my $this = $ff->[$fi];
	258
	259	my %link;
	260	$link{up} = "";
	261	if ($fi != 0) {
	262	$link{first} = $ff->[0]->name;
	263	$link{prev} = $ff->[$fi - 1]->name;
	264	}
	265	if ($fi != @$ff - 1) {
	266	$link{last} = $ff->[-1]->name;
	267	$link{next} = $ff->[$fi + 1]->name;
	268	}
	269
	270	my $links = "";
fd972456	271	my $pre = urlencode join_paths $SCRIPTURL, $dir;
6ac5dde2	272	for my $rel (qw{up first prev next last}) {
fd972456 MW	273	$links .= sprintf " <link rel=%s href=\"%s\">\n", $rel,
	274	urlencode "$pre/$link{$rel}"
	275	if exists $link{$rel};
6ac5dde2 MW	276	}
	277	</%perl>
	278	%
	279	<&\| .html, title => "Image " . $m->interp->apply_escapes($path, "h"),
	280	head => $links &>
	281	<& .breadcrumbs, what => "Image", path => $path &>
	282	% if ($this->comment) {
	283	<div class=comment>
	284	<p><% $this->comment %>
	285	</div>
	286	% }
	287	%
	288	<div class=viewnav>
	289	% if ($link{prev}) {
988a1d43	290	<div class=prev><a class=prev href="<% "$pre/$link{prev}" \|hu %>">&lsaquo;</a></div>
6ac5dde2 MW	291	% }
6ac5dde2 MW	292	<a class=view href="<% $url \|h %>">
7cd805d1 MW	293	<picture>
	294	% my ($hoff, $voff) = (60, 480);
	295	% SIZE: for (my $i = 0; $i < @imgsz; $i++) {
	296	% my $scale = $imgsz[$i];
	297	% last SIZE unless exists $vw{$scale};
	298	% my $scsz = $SIZE{$scale};
	299	% my $f = $scsz/$max;
	300	% my ($thiswd, $thisht) = map int, ($f$wd + $hoff, $f$ht + $voff);
	301	<source srcset="<% $vw{$scale} \|h %>"
	302	media="(max-width: <% $thiswd %>px) or (max-height: <% $thisht %>px)">
	303	% }
	304	<img src="<% "$IMGURL/$path" \|hu %>">
	305	</picture>
6ac5dde2 MW	306	</a>
6ac5dde2 MW	307	% if ($link{next}) {
988a1d43	308	<div class=next><a class=next href="<% "$pre/$link{next}" \|hu %>">&rsaquo;</a></div>
6ac5dde2 MW	309	% }
	310	</div>
	311	%
1408b7a2	312	% for my $size (qw{smallthumb medthumb bigthumb}) {
6e749fab MW	313	<div class="thumbstrip <% $size %>">
6e749fab MW	314	% for my $f (@$ff) {
ccaab4e8	315	<& .thumbnail, target => $f->name,
bfc5bfe6	316	tn => $tn{$f->name}{$size}, size => $size,
6ac5dde2	317	caption => $m->interp->apply_escapes($f->name, "h"),
62ee1c09	318	focus => $f eq $this &>\
6e749fab	319	% }
6ac5dde2	320	</div>
6e749fab	321	% }
6ac5dde2 MW	322	<& .footer, path => $dir &>
	323	</&>
	324	%
	325	<%args>
	326	$path
9601c4bb	327	$scale => undef
6ac5dde2 MW	328	</%args>
	329	</%def>
	330	%
	331	%###-------------------------------------------------------------------------
	332	<%def .breadcrumbs>\
	333	% $path =~ s!/$!!;
	334	% my @p = split m!/!, $path;
	335	% my $pp = "";
	336	% my $prev = undef;
	337	<h1><% $what %> \
	338	% if (!@p) {
	339	[top]
	340	% } else {
988a1d43	341	<a href="<% $SCRIPTURL \|hu %>/">[top]</a> / \
6ac5dde2 MW	342	% STEP: for my $p (@p) {
	343	% if (defined $prev) {
	344	% $pp .= "$prev/";
988a1d43	345	<a href="<% join_paths($SCRIPTURL, $pp) \|hu %>/">\
6ac5dde2 MW	346	<% $prev %></a> / \
	347	% }
	348	% $prev = $p;
	349	% }
	350	<% $prev %>\
	351	% }
f3663b65 MW	352	% if ($m->has_content) {
	353
	354	<% $m->content %>\
	355	% }
6ac5dde2 MW	356	</h1>
	357	<%args>
	358	$what
	359	$path
	360	</%args>
	361	</%def>
	362	%
	363	%###-------------------------------------------------------------------------
	364	<%def .thumbnail>\
ccaab4e8	365	% $tn //= "$STATICURL/folder.svg";
6ac5dde2	366	% if ($focus) {
1408b7a2	367	<figure class="thumb focusthumb <% $size %>">
1126ec40	368	<img class="thumb <% $size %>" loading=lazy src="<% $tn \|h %>">
83bfcbc7	369	<figcaption><span class=name><% $caption %></span></figcaption>
6ac5dde2	370	% } else {
dfdd1964	371	<figure class="thumb <% $size %>">
1126ec40 MW	372	<a class=thumb href="<% $target \|hu %>">
1126ec40 MW	373	<img class="thumb <% $size %>" loading=lazy src="<% $tn \|h %>">
83bfcbc7	374	<figcaption>
6ac5dde2 MW	375	<span class=name><% $caption %></span>
	376	% if (defined $comment) {
	377	<span class=comment><% $comment %></span>
	378	% }
83bfcbc7	379	</figcaption>
6ac5dde2 MW	380	</a>
6ac5dde2 MW	381	% }
83bfcbc7	382	</figure>
6ac5dde2 MW	383	%
	384	<%args>
	385	$target
ccaab4e8	386	$tn
dfdd1964	387	$size
6ac5dde2 MW	388	$caption
	389	$comment => undef
	390	$focus => 0
	391	</%args>
	392	</%def>
	393	%
	394	%###-------------------------------------------------------------------------
	395	<%def .footer>\
	396	<%perl>
	397	</%perl>
	398	<div class=footer>
	399	<div class=footitem>
988a1d43	400	<a href="https://www.gnu.org/licenses/agpl-3.0.en.html"><img class=licence src="<% "$STATICURL/agpl.png" \|hu %>"></a>
6ac5dde2 MW	401	Trivial Gallery, copyright © 2021 Mark Wooding.
	402	Free software: you can modify it and/or redistribute it under the
	403	terms of the
a54108de	404	<a rel=license href="https://www.gnu.org/licenses/agpl-3.0.en.html">GNU Affero
6ac5dde2	405	General Public License version 3</a>.
a38a867d	406	Browse or download the <a href="<% $SRCURL %>">source code</a>.
6ac5dde2 MW	407	</div>
	408	% my $user =
	409	% find_covering_file $IMGROOT, $path, ".tgal-footer.html";
	410	% if (defined $user) {
	411	<div class=footitem>
	412	<% $user %>
	413	</div>
	414	% }
	415	</div>
	416	<%args>
	417	$path
	418	</%args>
	419	</%def>
	420	%
	421	%###-------------------------------------------------------------------------
	422	<%once>
	423	use autodie;
6ac5dde2 MW	424	use File::stat;
	425
	426	use TrivGal;
	427	</%once>
	428	%
	429	<%init>
	430	TrivGal->init;
	431
	432	my $path = $m->dhandler_arg;
	433	my $st = stat "$IMGROOT/$path";
	434	my $comp;
aa5c3a51 MW	435	if (!$st) {
	436	$comp = ".not-found";
	437	if ($path =~ /^ (.*) (\.(?: zip)) $/x) {
	438	$st = stat "$IMGROOT/$1";
	439	if ($st) { $path = $1; $comp = $2; }
	440	}
	441	}
6ac5dde2 MW	442	elsif (-d $st) { $comp = ".contact"; }
	443	elsif (-f $st) { $comp = ".image"; }
	444	else { $comp = ".not-found"; }
ecf3c7a8	445	$r->header_out("X-AGPL-Source" => $SRCURL);
6abe8e59	446	$m->comp($comp, path => $path, %ARGS);
6ac5dde2 MW	447	</%init>
	448	%
	449	%###----- That's all, folks -------------------------------------------------