/**
* @inheritdoc
*/
protected function getValue($event)
{
if (is_string($this->value) && method_exists($this->owner, $this->value)) {
$value = call_user_func([$this->owner, $this->value], $event);
} else {
$value = is_callable($this->value) ? call_user_func($this->value, $event) : $this->value;
}
$group = md5(serialize(['class' => $this->unique ? get_class($this->owner) : false, 'group' => $this->group, 'attribute' => $this->attribute, 'value' => $value]));
do {
$repeat = false;
try {
$model = AutoNumber::findOne($group);
if ($model) {
$number = $model->number + 1;
} else {
$model = new AutoNumber(['group' => $group]);
$number = 1;
}
$model->update_time = time();
$model->number = $number;
$model->save(false);
} catch (Exception $exc) {
if ($exc instanceof StaleObjectException) {
$repeat = true;
} else {
throw $exc;
}
}
} while ($repeat);
if ($value === null) {
return $number;
} else {
return str_replace('?', $this->digit ? sprintf("%0{$this->digit}d", $number) : $number, $value);
}
}
/**
* Handle for [[\yii\db\ActiveRecord::EVENT_BEFORE_INSERT]] and [[\yii\db\ActiveRecord::EVENT_BEFORE_UPDATE]]
* @param \yii\base\ModelEvent $event
*/
public function beforeSave($event)
{
list($id, $attribute) = $event->data;
if (isset(self::$_executed[$id])) {
return;
}
/* @var $object \yii\db\ActiveRecord */
$object = $event->sender;
if (is_string($this->format) && method_exists($object, $this->format)) {
$value = call_user_func([$object, $this->format], $object, $attribute);
} else {
$value = is_callable($this->format) ? call_user_func($this->format, $object, $attribute) : $this->format;
}
$group = md5(serialize(['class' => $this->unique ? get_class($object) : false, 'group' => $this->group, 'attribute' => $attribute, 'value' => $value]));
$model = AutoNumber::findOne($group);
if ($model) {
$number = $model->number + 1;
} else {
$model = new AutoNumber(['group' => $group]);
$number = 1;
}
$model->update_time = time();
$model->number = $number;
if ($value === null) {
$object->{$attribute} = $number;
} else {
$object->{$attribute} = str_replace('?', $this->digit ? sprintf("%0{$this->digit}d", $number) : $number, $value);
}
self::$_executed[$id] = true;
try {
$model->save(false);
} catch (\Exception $exc) {
$event->isValid = false;
if ($this->throwIsStale || !$exc instanceof StaleObjectException) {
throw $exc;
}
}
}
