Yii2 exception for non-saved active records

CantSave.php

<?php

namespace common\exception;


use e96\sentry\ErrorHandler;
use yii\base\Exception;
use yii\db\ActiveRecord;

class CantSave extends Exception
{
    /**
     * @var mixed model errors
     */
    protected $errors;

    /**
     * @var mixed model attributes
     */
    protected $attributes;

    /**
     * @param ActiveRecord $model
     * @param string $message
     * @param int $code
     * @param \Exception $previous
     * @throws \yii\base\InvalidConfigException
     */
    public function __construct($model, $message = "", $code = 0, \Exception $previous = null)
    {
        $this->errors = $model->errors;
        $this->attributes = $model->attributes;

        /** @var ErrorHandler $raven */
        $raven = \Yii::$app->get('raven', false);
        if ($raven) {
            $raven->client->extra_context(
                [
                    'errors' => $this->errors,
                    'attributes' => $this->attributes
                ]
            );
            \Exception::__construct('Can\'t save ' . get_class($model), $code, $previous);
        } else {
            \Exception::__construct(
                'Can\'t save ' . get_class($model) . ': ' . print_r($this->errors, true) .
                'Attributes: ' . print_r($this->attributes, true),
                $code,
                $previous
            );
        }
    }
}

ActiveRecord.php

<?php

namespace common\models;


use common\exception\CantSave;

class ActiveRecord extends \yii\db\ActiveRecord
{
    /**
     * @inheritdoc
     * @throws CantSave
     */
    public function save($runValidation = true, $attributeNames = null)
    {
        $res = parent::save($runValidation, $attributeNames);
        if (!$res) {
            throw new CantSave($this);
        }

        return $res;
    }

}