__('Suchfeld mit Optionen für Titel- und Gastautoren-Suche', 'wp-multi-search'))
);
}
public function widget($args, $instance) {
echo $args['before_widget'];
echo '';
echo csp_search_form();
echo $args['after_widget'];
}
}
function csp_register_widget() {
register_widget('CSP_Search_Widget');
}
add_action('widgets_init', 'csp_register_widget');
// 4️⃣ **Einstellungsseite hinzufügen**
function csp_add_menu_page() {
add_options_page(
'WP-Multi-Search Settings',
'WP-Multi-Search',
'manage_options',
'custom-search-settings',
'csp_render_settings_page'
);
}
add_action('admin_menu', 'csp_add_menu_page');
// 5️⃣ **Einstellungsseite rendern**
function csp_render_settings_page() {
?>
';
foreach ($positions as $value => $label) {
echo '' . esc_html($label) . ' ';
}
echo ' ';
}
// 9️⃣ **Funktion zum Einfügen des Suchformulars in ShiftNav**
function csp_insert_search_form_in_shiftnav($nav_menu, $args) {
if ($args->theme_location !== 'shiftnav') {
return $nav_menu;
}
$position = get_option('csp_shiftnav_position', 'none');
if ($position === 'none') {
return $nav_menu;
}
$search_form = '';
if ($position === 'top') {
return $search_form . $nav_menu;
} elseif ($position === 'bottom') {
return $nav_menu . $search_form;
}
return $nav_menu;
}
add_filter('wp_nav_menu_items', 'csp_insert_search_form_in_shiftnav', 10, 2);
// 🔟 **Aktualisierte Suchfunktion mit Suchtyp-Unterscheidung**
function csp_custom_search_results($query) {
if (!is_admin() && $query->is_search() && $query->is_main_query()) {
$search_type = isset($_GET['search_type']) ? sanitize_text_field($_GET['search_type']) : 'all';
$search_term = $query->get('s');
switch($search_type) {
case 'title':
$query->set('post_title_like', $search_term);
$query->set('s', '');
add_filter('posts_where', 'csp_title_search_where', 10, 2);
break;
case 'guest_author':
$meta_query = array(
array(
'key' => '_guest_author',
'value' => $search_term,
'compare' => '='
)
);
$query->set('meta_query', $meta_query);
$query->set('s', '');
$query->set('post_type', 'post');
break;
default: // 'all'
$query->set('_meta_or_title', $search_term);
add_filter('posts_search', 'csp_custom_search_where', 10, 2);
add_filter('posts_join', 'csp_custom_search_join', 10, 2);
add_filter('posts_groupby', 'csp_custom_search_groupby', 10, 2);
break;
}
// Filter nach der Abfrage entfernen
add_action('wp', function() use ($search_type) {
switch($search_type) {
case 'title':
remove_filter('posts_where', 'csp_title_search_where', 10);
break;
case 'guest_author':
// Keine zusätzlichen Filter zum Entfernen
break;
default:
remove_filter('posts_search', 'csp_custom_search_where', 10);
remove_filter('posts_join', 'csp_custom_search_join', 10);
remove_filter('posts_groupby', 'csp_custom_search_groupby', 10);
break;
}
});
}
}
add_action('pre_get_posts', 'csp_custom_search_results');
// 1️⃣1️⃣ **Hilfsfunktionen für verschiedene Suchtypen**
function csp_title_search_where($where, $query) {
global $wpdb;
if ($search_term = $query->get('post_title_like')) {
$where .= $wpdb->prepare(
" AND {$wpdb->posts}.post_title LIKE %s",
'%' . $wpdb->esc_like($search_term) . '%'
);
}
return $where;
}
function csp_custom_search_where($where, $query) {
global $wpdb;
if ($search_term = $query->get('_meta_or_title')) {
$search = '%' . $wpdb->esc_like($search_term) . '%';
$where .= $wpdb->prepare(
" OR ({$wpdb->posts}.post_title LIKE %s)
OR ({$wpdb->posts}.post_content LIKE %s)
OR ({$wpdb->posts}.post_excerpt LIKE %s)
OR (guest_author.meta_value LIKE %s)
OR ({$wpdb->users}.display_name LIKE %s)",
$search, $search, $search, $search, $search
);
}
return $where;
}
function csp_custom_search_join($join, $query) {
global $wpdb;
if ($query->get('_meta_or_title')) {
$join .= " LEFT JOIN {$wpdb->postmeta} guest_author ON ({$wpdb->posts}.ID = guest_author.post_id AND guest_author.meta_key = '_guest_author')";
$join .= " LEFT JOIN {$wpdb->users} ON ({$wpdb->posts}.post_author = {$wpdb->users}.ID)";
}
return $join;
}
function csp_custom_search_groupby($groupby, $query) {
global $wpdb;
if ($query->get('_meta_or_title')) {
$groupby = "{$wpdb->posts}.ID";
}
return $groupby;
}
// 1️⃣2️⃣ **Hilfsfunktion für Gastautoren-Suche**
function csp_guest_author_search_where($where, $query) {
global $wpdb;
if ($query->get('meta_query')) {
$where .= " AND EXISTS (
SELECT 1 FROM {$wpdb->postmeta}
WHERE {$wpdb->postmeta}.post_id = {$wpdb->posts}.ID
AND {$wpdb->postmeta}.meta_key = '_guest_author'
AND {$wpdb->postmeta}.meta_value != ''
)";
}
return $where;
}
add_filter('posts_where', 'csp_guest_author_search_where', 10, 2);
?>