silverstripe-blog/code/compat/pages/BlogEntry.php

<?php

/**
 * @deprecated since version 2.0
 *
 * @property int $ParentID
 * @property string $Date
 * @property string $PublishDate
 * @property string $Tags
 */
class BlogEntry extends BlogPost implements MigratableObject {
	/**
	 * @var string
	 */
	private static $hide_ancestor = 'BlogEntry';

	/**
	 * @var array
	 */
	private static $db = array(
		'Date' => 'SS_Datetime',
		'Author' => 'Text',
		'Tags' => 'Text',
	);

	/**
	 * {@inheritdoc}
	 */
	public function canCreate($member = null) {
		return false;
	}

	/**
	 * {@inheritdoc}
	 */
	public function up() {
		
		//Migrate comma separated tags into BlogTag objects.
		foreach($this->TagNames() as $tag) {
			
			$existingTag = BlogTag::get()->filter(array('Title' => $tag, 'BlogID' => $this->ParentID));
			if($existingTag->count()) {
				//if tag already exists we will simply add it to this post.
				$tagObject = $existingTag->First();
			
			} else {

				//if the tag is now we create it and add it to this post.
				$tagObject = new BlogTag();
				$tagObject->Title = $tag;
				$tagObject->BlogID = $this->ParentID;
				$tagObject->write();

				
			}

			if($tagObject){
				$this->Tags()->add($tagObject);
			}
		}

		//Store if the original entity was published or not (draft)
		$published = $this->IsPublished();
		// If a user has subclassed BlogEntry, it should not be turned into a BlogPost.
		if($this->ClassName === 'BlogEntry') {
			$this->ClassName = 'BlogPost';
			$this->RecordClassName = 'BlogPost';
		}
		//Migrate these key data attributes
		$this->PublishDate = $this->Date;
		$this->AuthorNames = $this->Author;
		$this->InheritSideBar = true;
		
		//Write and additionally publish the item if it was published before.
		$this->write();
		if($published){
			$this->publish('Stage','Live');
			$message = "PUBLISHED: ";
		} else {
			$message = "DRAFT: ";
		}
		
		return $message . $this->Title;
	}

	/**
	 * Safely split and parse all distinct tags assigned to this BlogEntry.
	 *
	 * @deprecated since version 2.0
	 *
	 * @return array
	 */
	public function TagNames() {
		$tags = preg_split('/\s*,\s*/', trim($this->Tags));

		$results = array();

		foreach($tags as $tag) {
			if($tag) $results[mb_strtolower($tag)] = $tag;
		}

		return $results;
	}

}

/**
 * @deprecated since version 2.0
 */
class BlogEntry_Controller extends BlogPost_Controller {

}