<?php
namespace Swissup\FieldManager\Controller\Adminhtml;

abstract class Index extends \Magento\Backend\App\Action
{
/**
* @var string
*/
protected $entityTypeId;

/**
* Core registry
*
* @var \Magento\Framework\Registry
*/
protected $coreRegistry = null;

/**
* Entity factory
*
* @var \Magento\Eav\Model\EntityFactory
*/
protected $eavEntityFactory;

/**
* @var \Magento\Framework\View\Result\PageFactory
*/
protected $resultPageFactory;

/**
* @var \Magento\Customer\Model\AttributeFactory
*/
protected $customerAttributeFactory;

/**
* @var \Magento\Catalog\Model\Product\UrlFactory
*/
protected $urlFactory;

/**
* @var \Magento\Framework\Controller\Result\JsonFactory
*/
protected $resultJsonFactory;

/**
* @var \Magento\Eav\Model\Config
*/
protected $eavModelConfig;

/**
* @var \Magento\Eav\Model\Entity\Attribute\SetFactory
*/
protected $eavAttributeSetFactory;

/**
* @var \Swissup\FieldManager\Helper\Data
*/
protected $helper;

/**
* @param \Magento\Backend\App\Action\Context $context
* @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
* @param \Magento\Framework\Registry $registry
* @param \Magento\Eav\Model\EntityFactory $eavEntityFactory
* @param \Magento\Customer\Model\AttributeFactory $customerAttributeFactory
* @param \Magento\Store\Model\WebsiteFactory $websiteFactory
* @param \Magento\Catalog\Model\Product\UrlFactory $urlFactory
* @param \Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory
* @param \Magento\Eav\Model\Config $eavModelConfig
* @param \Magento\Eav\Model\Entity\Attribute\SetFactory $eavAttributeSetFactory
* @param \Swissup\FieldManager\Helper\Data $helper
*/
public function __construct(
\Magento\Backend\App\Action\Context $context,
\Magento\Framework\View\Result\PageFactory $resultPageFactory,
\Magento\Framework\Registry $registry,
\Magento\Eav\Model\EntityFactory $eavEntityFactory,
\Magento\Customer\Model\AttributeFactory $customerAttributeFactory,
\Magento\Store\Model\WebsiteFactory $websiteFactory,
\Magento\Catalog\Model\Product\UrlFactory $urlFactory,
\Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory,
\Magento\Eav\Model\Config $eavModelConfig,
\Magento\Eav\Model\Entity\Attribute\SetFactory $eavAttributeSetFactory,
\Swissup\FieldManager\Helper\Data $helper
) {
$this->resultPageFactory = $resultPageFactory;
$this->coreRegistry = $registry;
$this->eavEntityFactory = $eavEntityFactory;
$this->customerAttributeFactory = $customerAttributeFactory;
$this->websiteFactory = $websiteFactory;
$this->urlFactory = $urlFactory;
$this->resultJsonFactory = $resultJsonFactory;
$this->eavModelConfig = $eavModelConfig;
$this->eavAttributeSetFactory = $eavAttributeSetFactory;
$this->helper = $helper;
parent::__construct($context);
}

/**
* Dispatch request
*
* @param \Magento\Framework\App\RequestInterface $request
* @return \Magento\Framework\App\ResponseInterface
*/
public function dispatch(\Magento\Framework\App\RequestInterface $request)
{
$this->entityTypeId = (int)$this->eavEntityFactory->create()->setType(
static::ENTITY_TYPE
)->getTypeId();

return parent::dispatch($request);
}

protected function initModel()
{
$model = $this->customerAttributeFactory->create()
->setWebsite(
$this->getRequest()->getParam('website') ?: $this->websiteFactory->create()
);

return $model;
}

/**
* Generate code from label
*
* @param string $label
* @return string
*/
protected function generateCode($label)
{
$code = substr(
preg_replace(
'/[^a-z_0-9]/',
'_',
$this->urlFactory->create()->formatUrlKey($label)
),
0,
30
);

$validatorAttrCode = new \Zend_Validate_Regex(['pattern' => '/^[a-z][a-z_0-9]{0,29}[a-z0-9]$/']);
if (!$validatorAttrCode->isValid($code)) {
$code = 'attr_' . ($code ?: substr(sha1(time()), 0, 8));
}

return $code;
}
}