Bulk Edit Optionen in WordPress für Custom Post Type erweitern

add-custom-bulk-edit-options-wordpress.php

#region Add Bulk Edit for Applications
// We are adding custom bulk actions in the WP Admin Backend for the post type "application"
function nxt_custom_bulk_actions($bulk_array) {
	$application_status_fields = get_field_object('field_62daaf75105aa');
	foreach($application_status_fields['choices'] as $status_option_key => $status_option_value) {
		$bulk_array[$status_option_key] = 'Set application status to ' . $status_option_key;
	}
	return $bulk_array;
}
add_filter('bulk_actions-edit-application', 'nxt_custom_bulk_actions');

// Now we start implementing the functionality for the use of the custom bulk edit options defined above
function nxt_bulk_action_handler( $redirect, $doaction, $object_ids ) {
	$application_status_fields = get_field_object('field_62daaf75105aa');
	
	// let's remove our query arg that was added after bulk editing applications first
	$redirect = remove_query_arg( ['nxt_application_status_changed', 'nxt_application_updated_status'], $redirect );
	
	// dynamically check for each possible application status value whether it was selected and update the affected posts
	foreach($application_status_fields['choices'] as $status => $status_label) {
		if ( $doaction == $status ) {
			foreach ( $object_ids as $post_id ) {
				// update_post_meta( $post_id, 'product_price', 1000 );
				update_field('field_62daaf75105aa', $status, $post_id);
			}
			$redirect = add_query_arg( ['nxt_application_status_changed' => count( $object_ids ), 'nxt_application_updated_status' => $status], $redirect );
		}
	}
	// do something for each application status bulk action
	return $redirect;
}
add_filter('handle_bulk_actions-edit-application', 'nxt_bulk_action_handler', 10, 3);

// Display a status update in the backend after applications have been bulk edited
function nxt_bulk_application_action_notices() {
	if ( ! empty( $_REQUEST['nxt_application_status_changed'] ) ) {
		// depending on how many applications were changed, create a fitting status update
		printf( '<div id="nxt_application_update" class="updated notice is-dismissible"><p>' .
			_n( 'Status of %s application has been changed to ' . $_REQUEST["nxt_application_updated_status"] . '.',
			'Status of %s applications has been changed to ' . $_REQUEST["nxt_application_updated_status"] . ".",
			intval( $_REQUEST['nxt_application_status_changed'] )
		) . '</p></div>', intval( $_REQUEST['nxt_application_status_changed'] ) );
	}
}
add_action('admin_notices', 'nxt_bulk_application_action_notices');
#endregion Add Bulk Edit for Applications