public function validateAttribute($model, $attribute)
{
$value = $model->{$attribute};
if (isset($model->id) || isset($model->item_id)) {
/** @noinspection PhpUndefinedFieldInspection */
$modelId = isset($model->id) ? $model->id : $model->item_id;
if (Subject::find()->where(['!=', 'id', $modelId])->andWhere(['name' => $value])->exists()) {
$model->addError($attribute, $this->message);
}
} else {
if (Subject::find()->where(['name' => $value])->exists()) {
$model->addError($attribute, $this->message);
}
}
}
/**
* Creates data provider instance with search query applied
*
* @param $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = parent::find();
if (!isset($params['sort'])) {
$query->orderBy(['name' => SORT_ASC]);
}
$dataProvider = new ActiveDataProvider(['query' => $query]);
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['like', 'name', $this->name]);
$query->andFilterWhere(['like', 'email', $this->email]);
$query->andFilterWhere(['like', 'phone', $this->phone]);
return $dataProvider;
}