public function __construct($post_object) {

$this->post = new TimberPost($post_object);

$this->base_url = get_bloginfo('url');

$this->permalink = get_permalink($post_object);

$cachebust = time();

$this->raw_html = file_get_contents($this->permalink);

}

public function build_manifest() {

ob_start();

$this->cache_header();

$this->featured_image();

$this->cache_list();

$this->inline_images();

$this->theme_manifest();

return ob_get_clean();

}

public function featured_image() {

$featured_image_id = get_post_thumbnail_id($this->post->ID);

if (isset($featured_image_id) && !empty($featured_image_id)):

$this->line("");

$this->comment("Featured image: ");

$url = wp_get_attachment_url($featured_image_id);

$this->line($this->absolute_to_relative_url($url));

endif;

}

public function cache_header() {

$this->line("CACHE MANIFEST");

$this->line("");

$this->comment("Post: ".$this->post->title);

$this->comment("Generated at: ".date('Y-m-d\TH:i:sP', time()));

$this->comment("Generated by ShortList Manifest Generator");

}

public function theme_manifest() {

$this->line("");

$this->comment("Theme Manifest");

$theme_folder = get_theme_root()."/".get_stylesheet();

$asset_folder = "/public";

$uri_path = $theme_folder.$asset_folder;

$files_array = glob_recursive($uri_path."/*.*", GLOB_ERR);

$files_array = array_map(array($this, 'root_to_relative_url'), $files_array);

foreach($files_array as $file):

$this->line($file);

endforeach;

}

public function root_to_relative_url($root_path) {

return str_replace(dirname(ABSPATH), "", $root_path);

}

public function cache_list() {

$this->line("");

$this->line("CACHE:");

$this->line("");

$this->comment("Post Attachments (".count($this->image_urls()). " found)");

}

public function inline_images() {

$this->comment("Inline Images:");

foreach($this->image_urls() as $url):

$this->line($url);

endforeach;

}

public function image_urls() {

$pattern = '~(http.*\.)(jpe?g|png|[tg]iff?|svg)~i';

$m = preg_match_all($pattern,$this->raw_html,$matches);

$image_array = $matches[0];

$image_array = array_map(array($this, 'absolute_to_relative_url'), $image_array);

return $image_array;

}

public function absolute_to_relative_url($url) {

return str_replace($this->base_url, "", $url);

}

public function line($line) {

print("$line\n");

}

public function comment($line) {

print("# $line\n");

}