/**
* Delete attachment from server and db.
*
* @var $attachment_id
*
* @return bool
* @throws \Exception
*/
public function actionDelete()
{
if (\Yii::$app->request->isPost && \Yii::$app->request->isAjax) {
$attachment_id = \Yii::$app->request->post('attachment_id');
//if attachment with id is exists
if ($attachment = Attachment::findOne(["id" => $attachment_id])) {
/* @var Attachment $attachment */
$attachment->delete();
echo \yii\helpers\Json::encode(['status' => '1']);
}
}
return false;
}
/**
* @return bool
*/
public function saveAttachments()
{
if (is_array($this->attachments)) {
$sequence = 0;
foreach ($this->attachments as $attachment_id) {
//save link to document and sequence
if ($attachment = Attachment::findOne(['id' => $attachment_id])) {
$attachment->document_id = $this->primaryKey;
$attachment->sequence = $sequence;
$attachment->save();
$sequence++;
}
}
return true;
}
return false;
}
