CMB2 - Youtube video

VideoCmb.php

<?php

namespace OOPFunctions\MetaBoxes\VideoCmb;

if ( !class_exists('\OOPFunctions\MetaBoxes\VideoCmb\VideoCmb') ) {

	/**
	 * Description of VideoCmb
	 *
	 * @author Pablo Pacheco <pablo.pacheco@origgami.com.br>
	 */
	class VideoCmb {

		private $id = 'videocmb';

		/**
		 *
		 * @var Metas
		 */
		private $metas;

		public function __construct() {
			$this->setMetas(new Metas());
			add_action('cmb2_admin_init', array($this, 'addCmb'));
		}

		public function addCmb() {
			$functions = \OOPFunctions\OOPFunctions::getInstance();

			/**
			 * Sample metabox to demonstrate each field type included
			 */
			$cmb_demo = new_cmb2_box(array(
				'id'			 => $this->getId(),
				'title'			 => __('Vídeo', 'cmb2'),
				'object_types'	 => array($functions->getCpt()->getVideos()->getId()), // Post type
			//'show_on'		 => array('key' => 'page-template', 'value' => 'page-templates/santo-gostinho.php'),
			));

			$cmb_demo->add_field(array(
				'name'				 => __('Url do youtube', 'cmb2'),
				//'desc'		 => __('field description (optional)', 'cmb2'),
				'id'				 => $this->getMetas()->videourl,
				'type'				 => 'oembed',
				'sanitization_cb'	 => array($this, 'sanitizeVideo'),
				'preview_size'		 => array(130, 130), // Default: array( 50, 50 )
			));
		}

		public function sanitizeVideo( $value, $field_args, $field ) {
			$postID = $field->object_id;
			$videoUrl = get_post_meta($postID, $this->getMetas()->videourl, true);
			
			if($videoUrl!=$value){
				//die($videoUrl.'-'.$value);
				if(!empty($value)){
					$image = \OOPFunctions\Youtube\Youtube::getImageFromYoutubeUrl($value);
					setThumbnailByUrl($image, $postID);
				}
				
			}
			return $value;
		}

		function getId() {
			return $this->id;
		}

		function getMetas() {
			return $this->metas;
		}

		function setId( $id ) {
			$this->id = $id;
		}

		function setMetas( Metas $metas ) {
			$this->metas = $metas;
		}

	}

	class Metas {

		public $videourl = '_video_url';

	}

}