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| #!/usr/bin/env perl
# 言語: perl
# バージョン: 5.36以上
# 依存: Moo（cpanmでインストール）
use v5.36;
# === 高解像度アート画像クラス（RealSubject） ===
package GhostImage {
use Moo;
use Time::HiRes qw(sleep);
has name => ( is => 'ro', required => 1 );
has resolution => ( is => 'ro', default => sub { '8K' } );
sub BUILD ($self, $args) {
sleep(0.2);
}
sub render ($self) {
return "🖼️ " . $self->name . " [" . $self->resolution . "]";
}
}
# === Virtual Proxy ===
package ImageProxy {
use Moo;
has name => ( is => 'ro', required => 1 );
has resolution => ( is => 'ro', default => sub { '8K' } );
has _real_image => (
is => 'lazy',
init_arg => undef,
builder => '_build_real_image',
);
sub _build_real_image ($self) {
GhostImage->new(name => $self->name, resolution => $self->resolution);
}
sub render ($self) { "👻 " . $self->name . " [プレビュー]" }
sub render_full ($self) { $self->_real_image->render }
}
# === Audit Proxy (Logging Proxy) ===
package AuditProxy {
use Moo;
has inner_proxy => ( is => 'ro', required => 1 );
has current_user => ( is => 'rw', default => sub { { name => 'anonymous' } } );
has log_storage => ( is => 'ro', default => sub { [] } );
sub name ($self) { $self->inner_proxy->name }
sub _log ($self, $action, $details = '') {
my ($sec, $min, $hour, $mday, $mon, $year) = localtime;
my $timestamp = sprintf("%04d-%02d-%02d %02d:%02d:%02d",
$year + 1900, $mon + 1, $mday, $hour, $min, $sec);
my $entry = {
timestamp => $timestamp,
user => $self->current_user->{name},
action => $action,
target => $self->name,
details => $details,
};
push @{$self->log_storage}, $entry;
say sprintf("[AUDIT] %s | %-12s | %-10s | %s%s",
$timestamp,
$entry->{user},
$entry->{action},
$entry->{target},
$details ? " ($details)" : "",
);
}
sub render ($self) {
$self->_log('PREVIEW');
return $self->inner_proxy->render;
}
sub render_full ($self) {
$self->_log('VIEW_FULL');
return $self->inner_proxy->render_full;
}
sub get_logs ($self) {
return @{$self->log_storage};
}
sub export_logs ($self) {
say "\n📋 監査ログエクスポート";
say "=" x 70;
for my $entry (@{$self->log_storage}) {
say sprintf("%s | %-12s | %-10s | %s",
$entry->{timestamp},
$entry->{user},
$entry->{action},
$entry->{target},
);
}
say "=" x 70;
say "Total entries: " . scalar(@{$self->log_storage});
}
}
# === ギャラリークラス ===
package GhostGallery {
use Moo;
has images => ( is => 'ro', default => sub { [] } );
has current_user => ( is => 'rw', default => sub { { name => 'ゲスト' } } );
has audit_log => ( is => 'ro', default => sub { [] } );
sub add_image ($self, $img) {
# 共有の監査ログストレージを設定
if ($img->isa('AuditProxy')) {
$img = AuditProxy->new(
inner_proxy => $img->inner_proxy,
log_storage => $self->audit_log,
);
}
push @{$self->images}, $img;
}
sub set_user ($self, $user) {
$self->current_user($user);
for my $img (@{$self->images}) {
if ($img->isa('AuditProxy')) {
$img->current_user($user);
}
}
}
sub show_gallery ($self) {
say "\n=== 👻 ゴーストギャラリー ===";
say "ログイン: " . $self->current_user->{name} . "\n";
my $i = 1;
for my $img (@{$self->images}) {
say "$i. " . $img->render;
$i++;
}
say "\n============================\n";
}
sub view_image ($self, $idx) {
my $img = $self->images->[$idx - 1];
if ($img) {
say "\n🔍 詳細表示:";
say $img->render_full;
}
}
sub export_audit_log ($self) {
say "\n📋 ギャラリー監査ログ";
say "=" x 70;
for my $entry (@{$self->audit_log}) {
say sprintf("%s | %-12s | %-10s | %s",
$entry->{timestamp},
$entry->{user},
$entry->{action},
$entry->{target},
);
}
say "=" x 70;
say "Total entries: " . scalar(@{$self->audit_log});
}
}
# === メイン処理 ===
package main {
use v5.36;
say "📸 ギャラリーを初期化中...\n";
my $gallery = GhostGallery->new;
# AuditProxy + Virtual Proxy のチェーン
$gallery->add_image(
AuditProxy->new(
inner_proxy => ImageProxy->new(name => '叫ぶ亡霊'),
)
);
$gallery->add_image(
AuditProxy->new(
inner_proxy => ImageProxy->new(name => '禁断の肖像画'),
)
);
$gallery->add_image(
AuditProxy->new(
inner_proxy => ImageProxy->new(name => '呪われた王冠'),
)
);
say "✅ 初期化完了！\n";
# ユーザーAがギャラリーを閲覧
$gallery->set_user({ name => '田中太郎' });
$gallery->show_gallery;
$gallery->view_image(1);
$gallery->view_image(2);
say "\n" . "-" x 50 . "\n";
# ユーザーBがギャラリーを閲覧
$gallery->set_user({ name => '山田花子' });
$gallery->show_gallery;
$gallery->view_image(1);
$gallery->view_image(3);
# 監査ログをエクスポート
$gallery->export_audit_log;
}
|
