fitme3070.pt/views/admin/galerias/edit.php

<?php
require __DIR__ . '/../../../config/db.php';
require __DIR__ . '/../../../config/functions.php';
$user = require_admin();

$id = (int) ($_GET['id'] ?? 0);
if (!$id) { header('Location: index.php'); exit; }

$gallery = db_gallery_get($pdo, $id);
if (!$gallery) { header('Location: index.php'); exit; }

$errors  = [];
$name    = $gallery['name'];
$images  = db_gallery_images($pdo, $id);

// Rename gallery
if (isset($_POST['rename'])) {
    csrf_check();
    $name = trim($_POST['name'] ?? '');
    if ($name === '') $errors[] = 'O nome é obrigatório.';
    elseif (db_gallery_update($pdo, $id, $name)) {
        session()->setFlashdata('success', 'Galeria renomeada.');
        header('Location: ' . base_url('views/admin/galerias/edit.php?id=' . $id));
        exit;
    }
}

// Upload image
if (isset($_FILES['image']) && $_FILES['image']['error'] !== UPLOAD_ERR_NO_FILE) {
    csrf_check();
    $result = db_gallery_image_upload($pdo, $id, $_FILES['image']);
    if ($result) session()->setFlashdata('success', 'Imagem carregada.');
    else session()->setFlashdata('error', 'Falha no upload. Verifique o formato.');
    header('Location: ' . base_url('views/admin/galerias/edit.php?id=' . $id));
    exit;
}

// Optimize existing images (resize/compress to the gallery cap)
if (isset($_POST['optimize'])) {
    csrf_check();
    $stats = img_optimize_dir(__DIR__ . '/../../../uploads/gallery/' . $id . '/', IMG_MAX_GALLERY);
    session()->setFlashdata($stats['failed'] ? 'warning' : 'success', img_stats_message($stats));
    header('Location: ' . base_url('views/admin/galerias/edit.php?id=' . $id));
    exit;
}

// Delete image
// POST + CSRF: um link GET podia ser disparado a partir de outro site.
if (isset($_POST['del_img']) && is_numeric($_POST['del_img'])) {
    csrf_check();
    db_gallery_image_delete($pdo, (int) $_POST['del_img'], $id);
    session()->setFlashdata('success', 'Imagem removida — fica na lixeira 30 dias.');
    header('Location: ' . base_url('views/admin/galerias/edit.php?id=' . $id));
    exit;
}

$page_title = 'Gerir Galeria';
include __DIR__ . '/../../../includes/header.php';
?>
<div class="container" style="max-width:900px;">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h1 class="h3 mb-0"><?= htmlspecialchars($gallery['name']) ?></h1>
        <a class="btn btn-outline-secondary btn-sm" href="index.php"><i class="bi bi-arrow-left me-1"></i>Voltar</a>
    </div>
    <?php foreach ($errors as $e): ?><div class="alert alert-danger"><?= htmlspecialchars($e) ?></div><?php endforeach; ?>

    <div class="row g-4">
        <div class="col-md-4">
            <div class="card shadow-sm"><div class="card-body">
                <h2 class="h6 mb-3">Renomear</h2>
                <form method="POST">
                    <?= csrf_field() ?>
                    <div class="mb-3">
                        <input class="form-control" name="name" value="<?= htmlspecialchars($name) ?>">
                    </div>
                    <button type="submit" name="rename" class="btn btn-primary btn-sm">Renomear</button>
                </form>
            </div></div>

            <div class="card shadow-sm mt-3"><div class="card-body">
                <h2 class="h6 mb-3">Adicionar imagem</h2>
                <form method="POST" enctype="multipart/form-data">
                    <?= csrf_field() ?>
                    <div class="mb-3">
                        <input type="file" class="form-control" name="image" accept=".jpg,.jpeg,.png,.gif,.webp">
                        <div class="form-text">JPG, PNG, GIF ou WebP.</div>
                    </div>
                    <button type="submit" class="btn btn-primary btn-sm"><i class="bi bi-cloud-arrow-up me-1"></i>Carregar</button>
                </form>
            </div></div>
        </div>

        <div class="col-md-8">
            <div class="card shadow-sm"><div class="card-body">
                <div class="d-flex justify-content-between align-items-center mb-3">
                    <h2 class="h6 mb-0">Imagens (<?= count($images) ?>)</h2>
                    <?php if ($images): ?>
                    <form method="POST" class="mb-0">
                        <?= csrf_field() ?>
                        <button type="submit" name="optimize" value="1" class="btn btn-sm btn-outline-success"
                                title="Redimensiona e comprime as imagens desta galeria para o máximo de <?= IMG_MAX_GALLERY ?>px"
                                onclick="return confirm('Otimizar todas as imagens desta galeria (máx. <?= IMG_MAX_GALLERY ?>px)? Os ficheiros originais serão substituídos.')">
                            <i class="bi bi-arrows-angle-contract me-1"></i>Otimizar imagens
                        </button>
                    </form>
                    <?php endif; ?>
                </div>
                <?php if (!$images): ?>
                    <p class="text-muted">Nenhuma imagem nesta galeria.</p>
                <?php else: ?>
                <div class="row g-2">
                <?php foreach ($images as $img): ?>
                    <div class="col-6 col-lg-4 position-relative">
                        <img src="<?= base_url('uploads/gallery/' . $id . '/' . $img['i_file_name']) ?>"
                             alt="" class="img-thumbnail w-100" style="height:140px;object-fit:cover;" loading="lazy">
                        <form method="POST" class="position-absolute top-0 end-0 m-1" onsubmit="return confirm('Remover esta imagem? Fica na lixeira durante 30 dias.')">
                            <?= csrf_field() ?>
                            <button class="btn btn-sm btn-danger rounded-circle" name="del_img" value="<?= (int) $img['i_id'] ?>" aria-label="Remover imagem"
                                    style="width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:12px">&times;</button>
                        </form>
                    </div>
                <?php endforeach; ?>
                </div>
                <?php endif; ?>
            </div></div>
        </div>
    </div>
</div>
<?php include __DIR__ . '/../../../includes/footer.php'; ?>