mageprince / magento2-FAQ

Model/Faq/DataProvider.php

<?php
/**
 * MagePrince
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the mageprince.com license that is
 * available through the world-wide-web at this URL:
 * https://mageprince.com/end-user-license-agreement
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade this extension to newer
 * version in the future.
 *
 * @category    MagePrince
 * @package     Mageprince_Faq
 * @copyright   Copyright (c) MagePrince (https://mageprince.com/)
 * @license     https://mageprince.com/end-user-license-agreement
 */

namespace Mageprince\Faq\Model\Faq;

use Magento\Framework\App\Request\DataPersistorInterface;

The type Magento\Framework\App\Request\DataPersistorInterface was not found. Maybe you did not declare it correctly or list all dependencies?

use Magento\Ui\DataProvider\AbstractDataProvider;

The type Magento\Ui\DataProvider\AbstractDataProvider was not found. Maybe you did not declare it correctly or list all dependencies?

use Mageprince\Faq\Model\ResourceModel\Faq\CollectionFactory;

The type Mageprince\Faq\Model\ResourceModel\Faq\CollectionFactory was not found. Maybe you did not declare it correctly or list all dependencies?

class DataProvider extends AbstractDataProvider
{
    /**
     * @var array
     */
    private $loadedData;

    /**
     * @var DataPersistorInterface
     */
    private $dataPersistor;

    /**
     * @var CollectionFactory
     */
    public $collection;

    /**
     * DataProvider constructor.
     * @param string $name
     * @param string $primaryFieldName
     * @param string $requestFieldName
     * @param CollectionFactory $collectionFactory
     * @param DataPersistorInterface $dataPersistor
     * @param array $meta
     * @param array $data
     */
    public function __construct(
        $name,
        $primaryFieldName,
        $requestFieldName,
        CollectionFactory $collectionFactory,
        DataPersistorInterface $dataPersistor,
        array $meta = [],
        array $data = []
    ) {
        $this->collection = $collectionFactory->create();
        $this->dataPersistor = $dataPersistor;
        parent::__construct($name, $primaryFieldName, $requestFieldName, $meta, $data);
    }

    /**
     * Get data
     *
     * @return array
     */
    public function getData()
    {
        if (isset($this->loadedData)) {
            return $this->loadedData;
        }
        $items = $this->collection->getItems();
        foreach ($items as $model) {
            $this->loadedData[$model->getId()] = $model->getData();
        }
        $data = $this->dataPersistor->get('mageprince_faq_faq');

        if (!empty($data)) {
            $model = $this->collection->getNewEmptyItem();
            $model->setData($data);
            $this->loadedData[$model->getId()] = $model->getData();
            $this->dataPersistor->clear('mageprince_faq_faq');
        }

        return $this->loadedData;
    }
}