/**
* Display auto-embed panel on the create/admin form
*/
function bp_links_ajax_link_auto_embed_url()
{
check_ajax_referer('bp_links_save_link-auto-embed');
try {
// try to load a service
$embed_service = BP_Links_Embed::FromUrl($_POST['url']);
// did we get a rich media service?
if ($embed_service instanceof BP_Links_Embed_From_Url) {
// capture embed panel content
ob_start();
bp_links_auto_embed_panel_content($embed_service);
// output response
bp_links_ajax_response_string(1, $embed_service->title(), $embed_service->description(), ob_get_clean());
}
// NOT rich media, fall back to page parser
$page_parser = BP_Links_Embed_Page_Parser::GetInstance();
if ($page_parser->from_url($_POST['url'])) {
$page_title = $page_parser->title();
$page_desc = $page_parser->description();
if (!empty($page_title) || !empty($page_desc)) {
// output response
bp_links_ajax_response_string(2, $page_title, $page_desc);
}
}
} catch (BP_Links_Embed_User_Exception $e) {
bp_links_ajax_response_string(-1, esc_html($e->getMessage()));
} catch (Exception $e) {
// fall through to generic error for all other exceptions
// TODO comment out this debug line before tagging a version
// bp_links_ajax_response_string( -1, esc_html( $e->getMessage() ) );
}
// if all else fails, just spit out generic warning message
bp_links_ajax_response_string(-2, __('Auto-fill not available for this URL.', 'buddypress-links'));
}
private function find_elements()
{
//
// try to get the title
//
$page_title = $this->parser->title();
if (!empty($page_title)) {
$this->data()->title = $page_title;
} else {
return false;
}
//
// try to get the description
//
$page_desc = $this->parser->description();
if (!empty($page_desc)) {
$this->data()->description = $page_desc;
} else {
$this->data()->description = null;
}
//
// try to find some images
//
$page_images = $this->parser->images(100, 800, 2, 50);
$page_images_sorted = $this->filter_images($page_images);
$page_images_bytes = $this->get_images_bytes($page_images_sorted);
if (is_array($page_images_bytes) && count($page_images_bytes)) {
// use the array as is
$this->data()->images = $page_images_bytes;
// set the default index if image selection has at least one entry
if (count($this->image_selection())) {
// set index to first key from array
$this->data()->images_idx = key($page_images_bytes);
} else {
// no images returned by selection method
$this->data()->images_idx = null;
}
} else {
return false;
}
return true;
}
/**
* Get singleton instance
*
* @return BP_Links_Embed_Page_Parser
*/
public static final function GetInstance()
{
if (empty(self::$instance)) {
self::$instance = new BP_Links_Embed_Page_Parser();
}
return self::$instance;
}
