/**
* Updates an existing Posts model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param integer $id
* @return mixed
*/
public function actionUpdate($id)
{
$model = $this->findModel($id);
$relatives = $model->relatives;
$relativesID = [];
foreach ($relatives as $relative) {
$relativesID[] = $relative->id_categories;
}
/** @var Categories[] $categories */
$categories = Categories::find()->all();
/** @var [] $items [category_id => 'name',category_id => 'name',category_id => 'name'] */
$items = [];
foreach ($categories as $category) {
$items[$category->id] = $category->title;
}
if ($model->load(Yii::$app->request->post()) && $model->save()) {
$model->unlinkAll('relatives', true);
foreach ($model->categoriesID as $categoryID) {
$categoryPost = new Relatives();
$categoryPost->id_categories = $categoryID;
$categoryPost->id_posts = $model->id;
$categoryPost->save();
}
return $this->redirect(['view', 'id' => $model->id]);
} else {
$model->categoriesID = $relativesID;
return $this->render('update', ['model' => $model, 'items' => $items]);
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getRelatives()
{
return $this->hasMany(Relatives::className(), ['id_categories' => 'id']);
}