Get Gallery ID in a filter function

I figured it out:

global $current_foogallery;
$gallery_id = $current_foogallery->ID;

Good to know, care to share what your use case for this was? I’m interested.

I want my thumbnails to come from WordPress’s media library and be public (foogallery’s default behavior) but I want the clicked link to go to a protected fullsize image via Amazon S3/Cloudfront (using the s2member plugin). I saved the path to the full-size Amazon gallery as custom post meta with the foogallery, but I needed the gallery ID to pull it out again within the filter.

This functionality is possible within the vanilla plugin by adding a custom target link in the image attributes, but I’m not gonna do that for hundreds of photos individually! So I filtered the link output.

I’ll probably wrap all this up in a proper plugin eventually, but for now I just needed it to work. And it does now! ??

function protected_img_urls($attr) {
            global $current_foogallery;
            $gallery_id = $current_foogallery->ID;
            $protectedpath = trim(get_post_meta( $gallery_id, 'protected_img_url', true ));
            $lastchar = substr($protectedpath, -1);
            if($lastchar != "/") {
                    $protectedpath .= "/";
                }
            $img_path = $attr['href'];
            //explode with '/' and take only last section.
            $pieces = explode("/", $img_path);
            $img_path = end($pieces);
            $attr['href'] = get_site_url()."/?s2member_file_download=".$protectedpath.$img_path."&s2member_skip_confirmation";
            return $attr;
        }
    add_filter( 'foogallery_attachment_html_link_attributes', 'protected_img_urls' );
    }

very nice @stencade!