singular label and the plan feature its editor needs ('' = free). */
function azlinkpro_duplicate_types() {
return array(
'azlinkpro_table' => array('label' => 'table', 'feature' => ''),
'azlinkpro_image' => array('label' => 'image', 'feature' => ''),
'azlinkpro_showcase' => array('label' => 'showcase', 'feature' => 'showcase'),
'azlinkpro_proscons' => array('label' => 'Pros & Cons card', 'feature' => 'pros_cons'),
);
}
/** Meta that belongs to the original only: edit locks, old slugs, migration and AI-article links. */
function azlinkpro_duplicate_skip_meta($key) {
if (in_array($key, array('_edit_lock', '_edit_last', '_wp_old_slug', '_wp_old_date',
'_azlinkpro_ai_parent_post', '_azlinkpro_ai_generated', '_azlinkpro_ai_table_id'), true)) { return true; }
return strpos($key, '_azlinkpro_mig_') === 0;
}
function azlinkpro_duplicate_allowed($post) {
$types = azlinkpro_duplicate_types();
if (!$post instanceof WP_Post || !isset($types[$post->post_type]) || !post_type_exists($post->post_type)) { return false; }
if (in_array($post->post_status, array('auto-draft', 'trash'), true)) { return false; }
$feature = $types[$post->post_type]['feature'];
if ($feature !== '' && !azlinkpro_can($feature)) { return false; }
$type = get_post_type_object($post->post_type);
return $type && current_user_can('edit_post', $post->ID) && current_user_can($type->cap->create_posts);
}
function azlinkpro_duplicate_url($post_id) {
$post_id = absint($post_id);
// A raw URL (wp_nonce_url() returns it HTML-escaped, which breaks it in JavaScript); callers escape it with esc_url().
return add_query_arg(array(
'action' => 'azlinkpro_duplicate',
'post' => $post_id,
'_wpnonce' => wp_create_nonce('azlinkpro_duplicate_' . $post_id),
), admin_url('admin-post.php'));
}
/** Creates the copy and returns its ID, or a WP_Error. */
function azlinkpro_duplicate_post($post) {
if (!azlinkpro_duplicate_allowed($post)) {
return new WP_Error('not_allowed', 'You cannot duplicate this item.');
}
$title = trim((string) $post->post_title);
$copy_id = wp_insert_post(wp_slash(array(
'post_type' => $post->post_type,
'post_status' => 'draft',
'post_title' => ($title !== '' ? $title : '(Untitled)') . ' (copy)',
'post_content' => $post->post_content,
'post_excerpt' => $post->post_excerpt,
'post_author' => get_current_user_id(),
'menu_order' => $post->menu_order,
)), true);
if (is_wp_error($copy_id)) { return $copy_id; }
foreach (get_post_meta($post->ID) as $key => $values) {
if (azlinkpro_duplicate_skip_meta($key)) { continue; }
foreach ($values as $value) {
// get_post_meta() returns stored values serialized; add_post_meta() expects them slashed and unserialized.
add_post_meta($copy_id, $key, wp_slash(maybe_unserialize($value)));
}
}
return $copy_id;
}
function azlinkpro_duplicate_handle() {
$post_id = isset($_GET['post']) ? absint($_GET['post']) : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- checked on the next line, per post.
check_admin_referer('azlinkpro_duplicate_' . $post_id);
if (!$post_id || !current_user_can('edit_post', $post_id)) { wp_die(esc_html__('You cannot copy this item.', 'azlinkpro'), 'AzlinkPRO', array('response' => 403, 'back_link' => true)); }
$post = get_post($post_id);
$copy_id = azlinkpro_duplicate_post($post);
if (is_wp_error($copy_id)) {
wp_die(esc_html($copy_id->get_error_message()), 'AzlinkPRO', array('response' => 403, 'back_link' => true));
}
wp_safe_redirect(add_query_arg('azp_duplicated', $post_id, admin_url('post.php?post=' . $copy_id . '&action=edit')));
exit;
}
add_action('admin_post_azlinkpro_duplicate', 'azlinkpro_duplicate_handle');
/** "Duplicate" under each title in AZ Tables, AZ Images, AZ Showcases and AZ Pros & Cons. */
function azlinkpro_duplicate_row_action($actions, $post) {
if (azlinkpro_duplicate_allowed($post)) {
$label = azlinkpro_duplicate_types()[$post->post_type]['label'];
$actions['azp_duplicate'] = 'Duplicate';
}
return $actions;
}
add_filter('post_row_actions', 'azlinkpro_duplicate_row_action', 10, 2);
/** A Duplicate button in the editor sidebar, in the classic and block editors. */
function azlinkpro_duplicate_add_box($post_type, $post = null) {
if (!isset(azlinkpro_duplicate_types()[$post_type]) || !$post instanceof WP_Post || !azlinkpro_duplicate_allowed($post)) { return; }
add_meta_box('azp-duplicate', 'Duplicate', 'azlinkpro_duplicate_box', $post_type, 'side', 'default');
}
add_action('add_meta_boxes', 'azlinkpro_duplicate_add_box', 20, 2);
function azlinkpro_duplicate_box($post) {
$label = azlinkpro_duplicate_types()[$post->post_type]['label'];
echo 'Make a draft copy of this ' . esc_html($label) . ' with the same products and settings.'
. ($post->post_type === 'azlinkpro_table' ? ' Then pick another layout, such as Minimal or Compact, for the copy.' : '') . '
';
echo 'Duplicate this ' . esc_html($label) . '
';
echo 'Save your changes first: the copy is made from the last saved version.
';
}
/** 1.5.8: a "Duplicate" button beside "Add New" / "Create ..." at the top of the editor. */
function azlinkpro_duplicate_title_button($hook) {
if ($hook !== 'post.php') { return; }
$post = get_post();
if (!$post instanceof WP_Post || !isset(azlinkpro_duplicate_types()[$post->post_type]) || !azlinkpro_duplicate_allowed($post)) { return; }
$label = azlinkpro_duplicate_types()[$post->post_type]['label'];
$data = array(
'url' => azlinkpro_duplicate_url($post->ID),
'text' => 'Duplicate ' . ucfirst($label),
'title' => 'Make a draft copy of this ' . $label . ' (from the last saved version)',
);
wp_register_script('azlinkpro-duplicate-button', false, array(), AZLINKPRO_VERSION, true);
wp_enqueue_script('azlinkpro-duplicate-button');
wp_add_inline_script('azlinkpro-duplicate-button', '(function(d){var a=document.querySelector(".wrap .page-title-action");if(!a||document.getElementById("azp-duplicate-top")){return;}'
. 'var b=document.createElement("a");b.id="azp-duplicate-top";b.className="page-title-action";b.href=d.url;b.textContent=d.text;b.title=d.title;'
. 'a.parentNode.insertBefore(b,a.nextSibling);a.parentNode.insertBefore(document.createTextNode(" "),b);})(' . wp_json_encode($data) . ');');
}
add_action('admin_enqueue_scripts', 'azlinkpro_duplicate_title_button');
/** Shown on the copy right after it is made. */
function azlinkpro_duplicate_notice() {
$source = isset($_GET['azp_duplicated']) ? absint($_GET['azp_duplicated']) : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
if (!$source || !function_exists('get_current_screen')) { return; }
$screen = get_current_screen();
if (!$screen || $screen->base !== 'post' || !isset(azlinkpro_duplicate_types()[$screen->post_type])) { return; }
$label = azlinkpro_duplicate_types()[$screen->post_type]['label'];
$original = current_user_can('edit_post', $source) ? get_the_title($source) : '';
echo 'AzlinkPRO: This is a draft copy'
. ($original !== '' ? ' of “' . esc_html($original) . '”' : '') . '. Rename it and change what you like, then click Save Draft or Publish. The new '
. esc_html($label) . ' gets its own shortcode once saved.