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#!/usr/bin/env raku
sub prefix:<❱>(*@args) {
say "❱ {@args}";
my $proc = run @args, :out, :err;
.say if .chars > 0 for $proc.out.slurp(:close), $proc.err.slurp(:close);
}
sub prefix:<⁉>(*@args) { ❱ @args unless @args[*-1].IO.f }
class Image {
has Str $.filename;
has Str $!source;
has Str $!dist-dir;
submethod BUILD(IO::Path :$source, Str :$dist-dir) {
$!filename = $source.basename;
$!source = $source.path;
$!dist-dir = $dist-dir;
}
method generate(Int :$thumb-geometry, Str :$bg-blur) {
my $thumb = "$!dist-dir/thumb/{$.filename}";
⁉ [|<convert -auto-orient -geometry>, $thumb-geometry, $!source, $thumb];
my $blur = "$!dist-dir/blur/{$.filename}";
⁉ [|<convert -flip -geometry>, $thumb-geometry/4, '-blur', $bg-blur, $thumb, $blur];
my $large = "$!dist-dir/large/{$.filename}";
⁉ ['cp', $!source, $large];
}
method thumb_tag { "<img class='thumb' src='./thumb/{$.filename}' />" }
method large_tag { "<img class='large' src='./large/{$.filename}' />" }
}
sub dist-dirs(Str $dist-dir --> List) { $dist-dir <<~>> </large /blur /thumb> }
sub make-mr-proper(Str $dist-dir) { ❱ ['rm', '-rf', $dist-dir] if $dist-dir.IO.d }
sub ensure-directories(Str $dist-dir) {
mkdir $dist-dir unless $dist-dir.IO.d;
mkdir $_ unless .IO.d for dist-dirs $dist-dir;
}
sub cleanup-nonexistent (Str $dist-dir, @images) {
my $images = set @images.map:{ $_.filename };
for dist-dirs $dist-dir -> $dir {
unlink $_ if .IO.basename ∉ $images
for dir($dir, test => { "$dir/$_".IO.f });
}
}
multi MAIN(
Bool :$mr-proper, #= Clean output dir
Str :$in-dir = './in', #= Input dir
Str :$dist-dir = './dist', #= Output dir
Int :$thumb-geometry = 800, #= Thumbnail geometry
Str :$bg-blur = '0x8', #= Background blur factor
Bool :$randomize = True, #= Randomize order of images
Str :$title = 'Yay', #= Album title
) {
my @images = dir($in-dir, test => { "$in-dir/$_".IO.f })
.map: { new Image: source => $_, :$dist-dir };
@images = @images.pick: * if $randomize;
say "Found {@images.elems} images";
cleanup-nonexistent $dist-dir, @images;
make-mr-proper $dist-dir if $mr-proper;
ensure-directories $dist-dir;
@images.hyper.map: { .generate: :$thumb-geometry, :$bg-blur };
}
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