guild/backend/modules/project/models/Project.php

<?php

namespace backend\modules\project\models;

use common\classes\Debug;
use common\models\FieldsValue;
use common\models\ProjectUser;
use yii\helpers\ArrayHelper;

class Project extends \common\models\Project
{
    public $fields;
    public $user;

    public function init()
    {
        parent::init();

        $fieldValue = FieldsValue::find()
            ->where(
                [
                    'project_id' => \Yii::$app->request->get('id'),
                    'card_id' => null,
                    'company_id' => null,
                ])
            ->all();
        $array = [];
        if (!empty($fieldValue)) {
            foreach ($fieldValue as $item) {
                array_push($array, ['field_id' => $item->field_id, 'value' => $item->value, 'order' => $item->order]);
            }
            $this->fields = $array;
        } else {
            $this->fields = [
                [
                    'field_id' => null,
                    'value' => null,
                    'order' => null,
                ],
            ];
        }

        $user = ArrayHelper::getColumn(ProjectUser::find()->where(['project_id' => \Yii::$app->request->get('id')])->all(),
            'card_id');

        if (!empty($user)) {
            $this->user = $user;

        }
    }

    public function afterSave($insert, $changedAttributes)
    {
        $post = \Yii::$app->request->post('Project');

        FieldsValue::deleteAll(['project_id' => $this->id]);

        foreach ($post['fields'] as $item) {
            $fildsValue = new FieldsValue();
            $fildsValue->field_id = $item['field_id'];
            $fildsValue->value = $item['value'];
            $fildsValue->order = $item['order'];
            $fildsValue->project_id = $this->id;

            $fildsValue->save();
        }

        ProjectUser::deleteAll(['project_id' => $this->id]);

        if($post['user']){
            foreach ($post['user'] as $item) {
                $prUser = new ProjectUser();
                $prUser->project_id = $this->id;
                $prUser->card_id = $item;

                $prUser->save();
            }
        }


        parent::afterSave($insert, $changedAttributes); // TODO: Change the autogenerated stub
    }
}