Yii2 wbraganca-dynamicform updation using yii2-relation-trait not deleting items - yii2

Question

Based on the https://github.com/wbraganca/yii2-dynamicform/wiki/Dynamic-Forms-With-Yii2-relation-trait-(VERY-EASY), I am trying to implement dynamic forms.Create is working perfect, but in Update form, if I delete any dynamic form element, it is not getting deleted, but If I add in the Update action, it is getting saved.
This is my Update code
public function actionUpdate($id)
{
$modelAlumni = $this->findModel($id);
$modelsJob = $modelAlumni->jobs;
if ($modelAlumni->loadAll(Yii::$app->request->post()) && $modelAlumni->saveAll()) {
return $this->redirect(['view', 'id' => $modelAlumni->id]);
} else {
return $this->render('update', [
'modelAlumni' => $modelAlumni,
'modelsJob' => (empty($modelsJob)) ? [new Job] : $modelsJob
]);
}
}
Why is it not deleting?
This is my Alumni model
<?php
namespace app\models;
use Yii;
/**
* This is the model class for table "alumni".
*
* #property integer $id
* #property string $name
* #property integer $gender
* #property integer $contact_number
* #property string $year_graduated
* #property string $qualification
* #property integer $department_id
* #property integer $specialization
* #property string $email
*
* #property Job[] $jobs
*/
class Alumni extends \yii\db\ActiveRecord
{
use \mootensai\relation\RelationTrait;
public $organization;
public $designation;
public $location;
public $current_status;
public $joining_date;
/**
* #inheritdoc
*/
public static function tableName()
{
return 'alumni';
}
/**
* #inheritdoc
*/
public function rules()
{
return [
[['name', 'gender', 'contact_number', 'year_graduated', 'qualification', 'department_id', 'specialization', 'email'], 'required'],
[['name', 'organization', 'designation', 'location'], 'string'],
[['gender', 'contact_number', 'department_id', 'specialization'], 'integer'],
[['year_graduated'], 'safe'],
[['qualification', 'email'], 'string', 'max' => 500],
];
}
/**
* #inheritdoc
*/
public function attributeLabels()
{
return [
'id' => Yii::t('app', 'ID'),
'name' => Yii::t('app', 'Name'),
'gender' => Yii::t('app', 'Gender'),
'contact_number' => Yii::t('app', 'Contact Number'),
'year_graduated' => Yii::t('app', 'Year Graduated'),
'qualification' => Yii::t('app', 'Qualification'),
'department_id' => Yii::t('app', 'Department ID'),
'specialization' => Yii::t('app', 'Specialization'),
'email' => Yii::t('app', 'Email'),
];
}
/**
* #return \yii\db\ActiveQuery
*/
public function getJobs()
{
return $this->hasMany(Job::className(), ['alumni_id' => 'id']);
}
}
Here is my Job Model
<?php
namespace app\models;
use Yii;
/**
* This is the model class for table "job".
*
* #property integer $job_id
* #property string $organization
* #property string $current_status
* #property string $designation
* #property string $joining_date
* #property string $location
* #property integer $alumni_id
*
* #property Alumni $alumni
*/
class Job extends \yii\db\ActiveRecord
{
/**
* #inheritdoc
*/
public static function tableName()
{
return 'job';
}
/**
* #inheritdoc
*/
public function rules()
{
return [
[['organization', 'current_status', 'designation', 'joining_date', 'location', 'alumni_id'], 'required'],
[['organization'], 'string'],
[['joining_date'], 'safe'],
[['alumni_id'], 'integer'],
[['current_status', 'designation'], 'string', 'max' => 300],
[['location'], 'string', 'max' => 255],
[['alumni_id'], 'exist', 'skipOnError' => true, 'targetClass' => Alumni::className(), 'targetAttribute' => ['alumni_id' => 'id']],
];
}
/**
* #inheritdoc
*/
public function attributeLabels()
{
return [
'job_id' => Yii::t('app', 'Job ID'),
'organization' => Yii::t('app', 'Organization'),
'current_status' => Yii::t('app', 'Current Status'),
'designation' => Yii::t('app', 'Designation'),
'joining_date' => Yii::t('app', 'Joining Date'),
'location' => Yii::t('app', 'Location'),
'alumni_id' => Yii::t('app', 'Alumni ID'),
];
}
/**
* #return \yii\db\ActiveQuery
*/
public function getAlumni()
{
return $this->hasOne(Alumni::className(), ['id' => 'alumni_id']);
}
}

Answer 1

There is example, look at actionUpdate
https://github.com/wbraganca/yii2-dynamicform
first find All nested models ids that not in cuurrent POST request
$oldIDs = ArrayHelper::map($modelsAddress, 'id', 'id');
$modelsAddress = Model::createMultiple(Address::classname(), $modelsAddress);
Model::loadMultiple($modelsAddress, Yii::$app->request->post());
$deletedIDs = array_diff($oldIDs, array_filter(ArrayHelper::map($modelsAddress, 'id', 'id')));
then in transaction after save mainModel delete it:
if (! empty($deletedIDs))
{
Address::deleteAll(['id' => $deletedIDs]);
}
This is example, you have to implement for your own solution.
I think there is bug in relation-triat:
https://github.com/mootensai/yii2-relation-trait/issues/27
So above is the best solution