zxcms/common/modules/blog/helpers/BlogPostHelper.php

<?php

namespace common\modules\blog\helpers;

use common\modules\blog\entities\BlogPost;
use core\entities\post\Post;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
use Yii;

class BlogPostHelper
{
    public static function statusList(): array
    {
        return [
            Post::STATUS_DRAFT => Yii::t('blog', 'Draft'),
            Post::STATUS_ACTIVE => Yii::t('blog', 'Active'),
        ];
    }

    public static function statusName($status): string
    {
        return ArrayHelper::getValue(self::statusList(), $status);
    }

    public static function statusLabel($status): string
    {
        switch ($status) {
            case Post::STATUS_DRAFT:
                $class = 'label label-default';
                break;
            case Post::STATUS_ACTIVE:
                $class = 'label label-success';
                break;
            default:
                $class = 'label label-default';
        }

        return Html::tag('span', ArrayHelper::getValue(self::statusList(), $status), [
            'class' => $class,
        ]);
    }

	public static function parseYoutubeUrl($url)
	{
		$urls = parse_url($url);
		//url is http://youtu.be/xxxx
		if($urls['host'] == 'youtu.be'){
			$id = ltrim($urls['path'],'/');
		}
		//url is http://www.youtube.com/embed/xxxx
		else if(strpos($urls['path'],'embed') == 1){
			$id = end(explode('/',$urls['path']));
		}
		//url is xxxx only
		else if(strpos($url,'/')===false){
			$id = $url;
		}
		//http://www.youtube.com/watch?feature=player_embedded&v=m-t4pcO99gI
		//url is http://www.youtube.com/watch?v=xxxx
		else{
			parse_str($urls['query']);
			/* @var $v */
			$id = $v;
			if(!empty($feature)){
				$id = end(explode('v=',$urls['query']));
			}
		}
		return $id;
	}

	public static function saveRevision(BlogPost $model) {
		if (!$model->revision_id) {
			$revision                      = clone $model;
			$revision->id                  = null;
			$revision->isNewRecord         = true;
			$revision->revision_at         = $revision->updated_at;
			$revision->revision_id         = $model->id;
			$revision->type                = BlogPost::TYPE_REVISION;
			$revision->save();

			// tags
			foreach ($model->tags as $tag) {
				$revision->assignTag($tag->id);
			}
			$revision->save();

			$path = Yii::getAlias('@staticRoot/origin/posts');
			$parts = pathinfo($model->image);
			copy($path . '/' . $model->id . '.' . $parts['extension'], $path . '/' . $revision->id . '.' .  $parts['extension']);
		}
	}
}