/**
* {@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;
}
