public function create()
{
$question = new Question();
$question->setAttributes(['subject' => $this->subject, 'content' => $this->content, 'author_id' => $this->author_id]);
if (($result = $question->save()) && ($result = $question->setActive())) {
$tags = Tag::findAll(['name' => is_array($this->tags) ? $this->tags : explode(',', $this->tags)]);
foreach ($tags as $tag) {
$tagItem = new TagItem();
$tagItem->setAttributes(['target_id' => $question->id, 'target_type' => $question::TYPE]);
$tag->addItem($tagItem);
}
}
return $result ? $question : false;
}
public function down()
{
$this->dropTable(Tag::tableName());
$this->dropTable(TagItem::tableName());
}
/**
* 获取帖子标签记录
* @return mixed
*/
public function getTagItems()
{
return $this->hasMany(TagItem::className(), ['target_id' => 'id'])->andWhere(['target_type' => self::TYPE]);
}
public function addItem(TagItem $item)
{
$item->setAttributes(['tid' => $this->id]);
return $item->save();
}