public function actionAdd()
{
$model = new Goods();
$model->setScenario('insert');
if ($model->load(Yii::$app->request->post())) {
$model->image = UploadedFile::getInstance($model, 'image');
if ($model->validate()) {
$model->cover = Yii::$app->security->generateRandomString(10) . '.' . $model->image->extension;
if (floatval($model->price_original) < 0.01) {
$model->price_original = null;
}
$transaction = Yii::$app->db->beginTransaction();
try {
if (!$model->save(false)) {
throw new \Exception('商品添加失败！');
}
$filename = Yii::getAlias(Yii::$app->params['goods.coverPath']) . DIRECTORY_SEPARATOR . $model->cover;
if (!$model->image->saveAs($filename)) {
throw new \Exception('封面图片添加失败！');
}
// 记录商品库存
$goodsSurplus = new GoodsSurplus();
$goodsSurplus->goods_id = $model->id;
$goodsSurplus->surplus_before = 0;
$goodsSurplus->amount = $model->surplus;
$goodsSurplus->surplus_after = $model->surplus;
$goodsSurplus->remark = '初始化库存。';
if (!$goodsSurplus->save(false)) {
throw new \Exception('商品库存记录失败！');
}
$transaction->commit();
Yii::$app->session->setFlash('success', '成功添加商品“' . $model->name . '”。');
return $this->refresh();
} catch (\Exception $e) {
$transaction->rollBack();
Yii::$app->session->setFlash('danger', $e->getMessage());
}
}
}
return $this->render('form', ['model' => $model]);
}
/**
* 调整库存
*
* @param integer $number
* @param string $remark
* @throws \Exception
* @return boolean
*/
public function moveSurplus($number, $remark)
{
$number = (int) $number;
$surplusOriginal = $this->surplus;
$this->surplus += $number;
if ($this->surplus < 0) {
$this->surplus = 0;
}
if ($surplusOriginal == $this->surplus) {
return true;
}
$transaction = Yii::$app->db->beginTransaction();
try {
if (!$this->save(false)) {
throw new \Exception('商品错误！');
}
$goodsSurplus = new GoodsSurplus();
$goodsSurplus->goods_id = $this->id;
$goodsSurplus->surplus_before = $surplusOriginal;
$goodsSurplus->amount = $number;
$goodsSurplus->surplus_after = $this->surplus;
$goodsSurplus->remark = $remark;
if (!$goodsSurplus->save(false)) {
throw new \Exception('商品库存记录失败！');
}
$transaction->commit();
return true;
} catch (\Exception $e) {
$transaction->rollBack();
return false;
}
}
