/**
* This function is used to create a connection between two post types.
*
* The following parameters should be passed when create a post type link:
*
* Slug (string) – The new slug of the PTL
* Title (string) – The new title of the PTL
* Parent (string) – The parent post type id
* Child (string) – The child post type id
* Sortable (int) – Whether the item is sortable. 1 = yes, 0 = no.
* Add new (int) – Whether the user can add and link new items. 1 = yes, 0 = no.
* Add existing (int) – Whether the user can link existing items. 1 = yes, 0 = no.
* After post display children - Display child posts automatically on post. 1 = yes, 0 = no.
* After post display parents - Display parent posts automatically on post. 1 = yes, 0 = no.
* Backwards Linking - Set to 1 if you want to allow backwards linking. 1 = enabled, 2 = disabled.
* Related - Whether this connection is a related conection or not. 1 = enabled, 2 = disabled.
*
* The function will return a SP_Connection object.
*
* @since 1.5.0
* @access public
*
* @param $slug
* @param $title
* @param $parent
* @param $child
* @param $sortable
* @param $add_new
* @param $add_existing
* @param $after_post_display_children
* @param $after_post_display_parents
* @param $backwards_linking
* @param $deprecated
*
* @return SP_Connection
*/
public function add_connection($slug, $title, $parent, $child, $sortable, $add_new, $add_existing, $after_post_display_children = 0, $after_post_display_parents = 0, $backwards_linking = 0, $deprecated = false)
{
// Create the Connection Manager
$connection_manager = new SP_Connection_Manager();
// Create the connection
$connection = new SP_Connection();
$connection->set_slug($slug);
$connection->set_title($title);
$connection->set_parent($parent);
$connection->set_child($child);
$connection->set_add_new($add_new);
$connection->set_add_existing($add_existing);
$connection->set_after_post_display_children($after_post_display_children);
$connection->set_sortable($sortable);
$connection->set_after_post_display_parents($after_post_display_parents);
$connection->set_backwards_linking($backwards_linking);
// Save the connection
return $connection_manager->save($connection);
}
/**
* Handle post requests
*
* @access public
* @return void
*/
public function handle_post()
{
if (isset($_POST['sp_save_check'])) {
// Check if user is allowed to do this
if (!current_user_can('manage_options')) {
return;
}
// Check nonce
if (!isset($_POST['sp_edit_nonce']) || !wp_verify_nonce($_POST['sp_edit_nonce'], plugin_basename(__FILE__))) {
return;
}
$connection = new SP_Connection();
// Check the id
$id = isset($_POST['id']) && $_POST['id'] != '' ? $_POST['id'] : null;
$connection->set_id($id);
// Check the title
if (isset($_POST['title']) && $_POST['title'] != '') {
$connection->set_title($_POST['title']);
}
// Check the slug
$slug = '';
if (isset($_POST['slug']) && $_POST['slug'] != '') {
$slug = $_POST['slug'];
} else {
$slug = sanitize_title_with_dashes($_POST['title']);
}
$connection->set_slug($slug);
// Parent
$connection->set_parent(trim($_POST['parent']));
// Child
$connection->set_child(trim($_POST['child']));
// Check the add new
$add_new = 0;
if (isset($_POST['add_new']) && $_POST['add_new'] == '1') {
$add_new = 1;
}
$connection->set_add_new($add_new);
// Check the add existing
$add_existing = 0;
if (isset($_POST['add_existing']) && $_POST['add_existing'] == '1') {
$add_existing = 1;
}
$connection->set_add_existing($add_existing);
// Check the display children
$after_post_display_children = 0;
if (isset($_POST['after_post_display_children']) && $_POST['after_post_display_children'] == '1') {
$after_post_display_children = 1;
}
$connection->set_after_post_display_children($after_post_display_children);
/**
* Action: 'pc_connection_catch_post' - Action that is ran after the connection form data is post but before the connection is saved
*
* @api SP_Connection $connection The Connection
*/
$connection = apply_filters('pc_connection_catch_post', $connection);
// Save the link
$pt_link_manager = new SP_Connection_Manager();
$pt_link_manager->save($connection);
wp_redirect(get_admin_url() . 'admin.php?page=post_connector');
exit;
}
}