I have downloaded and installed the magento 2 admin end grid using the following link.
https://github.com/mageplaza/magento-2-sample-module
But i am getting errors as shown below while compile:-
Errors during compilation:
Mageplaza\HelloWorld\Controller\Adminhtml\Post
Incorrect dependency in class Mageplaza\HelloWorld\Controller\Adminhtml\Post in /var/www/html/magento2/app/code/Mageplaza/HelloWorld/Controller/Adminhtml/Post.php
\Magento\Backend\Model\View\Result\RedirectFactory already exists in context object
Mageplaza\HelloWorld\Controller\Adminhtml\Post\Save
Incorrect dependency in class Mageplaza\HelloWorld\Controller\Adminhtml\Post\Save in /var/www/html/magento2/app/code/Mageplaza/HelloWorld/Controller/Adminhtml/Post/Save.php
\Magento\Backend\Model\Session already exists in context object
\Magento\Backend\Model\View\Result\RedirectFactory already exists in context object
Mageplaza\HelloWorld\Controller\Adminhtml\Post\Edit
Incorrect dependency in class Mageplaza\HelloWorld\Controller\Adminhtml\Post\Edit in /var/www/html/magento2/app/code/Mageplaza/HelloWorld/Controller/Adminhtml/Post/Edit.php
\Magento\Backend\Model\Session already exists in context object
\Magento\Backend\Model\View\Result\RedirectFactory already exists in context object
I) Mageplaza\HelloWorld\Controller\Adminhtml\Post
Post.php
<?php
namespace Mageplaza\HelloWorld\Controller\Adminhtml;
abstract class Post extends \Magento\Backend\App\Action
{
/**
* Post Factory
*
* @var \Mageplaza\HelloWorld\Model\PostFactory
*/
protected $_postFactory;
/**
* Core registry
*
* @var \Magento\Framework\Registry
*/
protected $_coreRegistry;
/**
* Result redirect factory
*
* @var \Magento\Backend\Model\View\Result\RedirectFactory
*/
protected $_resultRedirectFactory;
/**
* constructor
*
* @param \Mageplaza\HelloWorld\Model\PostFactory $postFactory
* @param \Magento\Framework\Registry $coreRegistry
* @param \Magento\Backend\Model\View\Result\RedirectFactory $resultRedirectFactory
* @param \Magento\Backend\App\Action\Context $context
*/
public function __construct(
\Mageplaza\HelloWorld\Model\PostFactory $postFactory,
\Magento\Framework\Registry $coreRegistry,
\Magento\Backend\Model\View\Result\RedirectFactory $resultRedirectFactory,
\Magento\Backend\App\Action\Context $context
)
{
$this->_postFactory = $postFactory;
$this->_coreRegistry = $coreRegistry;
$this->_resultRedirectFactory = $resultRedirectFactory;
parent::__construct($context);
}
/**
* Init Post
*
* @return \Mageplaza\HelloWorld\Model\Post
*/
protected function _initPost()
{
$postId = (int) $this->getRequest()->getParam('post_id');
/** @var \Mageplaza\HelloWorld\Model\Post $post */
$post = $this->_postFactory->create();
if ($postId) {
$post->load($postId);
}
$this->_coreRegistry->register('mageplaza_helloworld_post', $post);
return $post;
}
/**
* Retrieve well-formed admin user data from the form input
*
* @param array $data
* @return array
*/
/**
* @return bool
*/
protected function _isAllowed()
{
return $this->_authorization->isAllowed('Mageplaza_HelloWorld::mageplaza_helloworld_post');
}
}
II) Mageplaza\HelloWorld\Controller\Adminhtml\Post\Edit
Edit.php
<?php
namespace Mageplaza\HelloWorld\Controller\Adminhtml\Post\;
class Edit extends \Mageplaza\HelloWorld\Controller\Adminhtml\Post
{
/**
* Backend session
*
* @var \Magento\Backend\Model\Session
*/
protected $_backendSession;
/**
* Page factory
*
* @var \Magento\Framework\View\Result\PageFactory
*/
protected $_resultPageFactory;
/**
* Result JSON factory
*
* @var \Magento\Framework\Controller\Result\JsonFactory
*/
protected $_resultJsonFactory;
/**
* constructor
*
* @param \Magento\Backend\Model\Session $backendSession
* @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
* @param \Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory
* @param \Mageplaza\HelloWorld\Model\PostFactory $postFactory
* @param \Magento\Framework\Registry $registry
* @param \Magento\Backend\Model\View\Result\RedirectFactory $resultRedirectFactory
* @param \Magento\Backend\App\Action\Context $context
*/
public function __construct(
\Magento\Backend\Model\Session $backendSession,
\Magento\Framework\View\Result\PageFactory $resultPageFactory,
\Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory,
\Mageplaza\HelloWorld\Model\PostFactory $postFactory,
\Magento\Framework\Registry $registry,
\Magento\Backend\Model\View\Result\RedirectFactory $resultRedirectFactory,
\Magento\Backend\App\Action\Context $context
)
{
$this->_backendSession = $backendSession;
$this->_resultPageFactory = $resultPageFactory;
$this->_resultJsonFactory = $resultJsonFactory;
parent::__construct($postFactory, $registry, $resultRedirectFactory, $context);
}
/**
* is action allowed
*
* @return bool
*/
protected function _isAllowed()
{
return $this->_authorization->isAllowed('Mageplaza_HelloWorld::post');
}
/**
* @return \Magento\Backend\Model\View\Result\Page|\Magento\Backend\Model\View\Result\Redirect|\Magento\Framework\View\Result\Page
*/
public function execute()
{
$id = $this->getRequest()->getParam('post_id');
/** @var \Mageplaza\HelloWorld\Model\Post $post */
$post = $this->_initPost();
/** @var \Magento\Backend\Model\View\Result\Page|\Magento\Framework\View\Result\Page $resultPage */
$resultPage = $this->_resultPageFactory->create();
$resultPage->setActiveMenu('Mageplaza_HelloWorld::post');
$resultPage->getConfig()->getTitle()->set(__('Posts'));
if ($id) {
$post->load($id);
if (!$post->getId()) {
$this->messageManager->addError(__('This Post no longer exists.'));
$resultRedirect = $this->_resultRedirectFactory->create();
$resultRedirect->setPath(
'mageplaza_helloworld/*/edit',
[
'post_id' => $post->getId(),
'_current' => true
]
);
return $resultRedirect;
}
}
$title = $post->getId() ? $post->getName() : __('New Post');
$resultPage->getConfig()->getTitle()->prepend($title);
$data = $this->_backendSession->getData('mageplaza_helloworld_post_data', true);
if (!empty($data)) {
$post->setData($data);
}
return $resultPage;
}
}
III)/Mageplaza/HelloWorld/Controller/Adminhtml/Post/Save.php
Save.php
<?php
namespace Mageplaza\HelloWorld\Controller\Adminhtml\Post;
class Save extends \Mageplaza\HelloWorld\Controller\Adminhtml\Post
{
/**
* Upload model
*
* @var \Mageplaza\HelloWorld\Model\Upload
*/
protected $_uploadModel;
/**
* File model
*
* @var \Mageplaza\HelloWorld\Model\Post\File
*/
protected $_fileModel;
/**
* Image model
*
* @var \Mageplaza\HelloWorld\Model\Post\Image
*/
protected $_imageModel;
/**
* Backend session
*
* @var \Magento\Backend\Model\Session
*/
protected $_backendSession;
/**
* constructor
*
* @param \Mageplaza\HelloWorld\Model\Upload $uploadModel
* @param \Mageplaza\HelloWorld\Model\Post\File $fileModel
* @param \Mageplaza\HelloWorld\Model\Post\Image $imageModel
* @param \Magento\Backend\Model\Session $backendSession
* @param \Mageplaza\HelloWorld\Model\PostFactory $postFactory
* @param \Magento\Framework\Registry $registry
* @param \Magento\Backend\Model\View\Result\RedirectFactory $resultRedirectFactory
* @param \Magento\Backend\App\Action\Context $context
*/
public function __construct(
\Mageplaza\HelloWorld\Model\Upload $uploadModel,
\Mageplaza\HelloWorld\Model\Post\File $fileModel,
\Mageplaza\HelloWorld\Model\Post\Image $imageModel,
\Magento\Backend\Model\Session $backendSession,
\Mageplaza\HelloWorld\Model\PostFactory $postFactory,
\Magento\Framework\Registry $registry,
\Magento\Backend\Model\View\Result\RedirectFactory $resultRedirectFactory,
\Magento\Backend\App\Action\Context $context
)
{
$this->_uploadModel = $uploadModel;
$this->_fileModel = $fileModel;
$this->_imageModel = $imageModel;
$this->_backendSession = $backendSession;
parent::__construct($postFactory, $registry, $resultRedirectFactory, $context);
}
/**
* run the action
*
* @return \Magento\Backend\Model\View\Result\Redirect
*/
public function execute()
{
$data = $this->getRequest()->getPost('post');
$resultRedirect = $this->resultRedirectFactory->create();
if ($data) {
$data = $this->_filterData($data);
$post = $this->_initPost();
$post->setData($data);
$featuredImage = $this->_uploadModel->uploadFileAndGetName('featured_image', $this->_imageModel->getBaseDir(), $data);
$post->setFeaturedImage($featuredImage);
$sampleUploadFile = $this->_uploadModel->uploadFileAndGetName('sample_upload_file', $this->_fileModel->getBaseDir(), $data);
$post->setSampleUploadFile($sampleUploadFile);
$this->_eventManager->dispatch(
'mageplaza_helloworld_post_prepare_save',
[
'post' => $post,
'request' => $this->getRequest()
]
);
try {
$post->save();
$this->messageManager->addSuccess(__('The Post has been saved.'));
$this->_backendSession->setMageplazaHelloWorldPostData(false);
if ($this->getRequest()->getParam('back')) {
$resultRedirect->setPath(
'mageplaza_helloworld/*/edit',
[
'post_id' => $post->getId(),
'_current' => true
]
);
return $resultRedirect;
}
$resultRedirect->setPath('mageplaza_helloworld/*/');
return $resultRedirect;
} catch (\Magento\Framework\Exception\LocalizedException $e) {
$this->messageManager->addError($e->getMessage());
} catch (\RuntimeException $e) {
$this->messageManager->addError($e->getMessage());
} catch (\Exception $e) {
$this->messageManager->addException($e, __('Something went wrong while saving the Post.'));
}
$this->_getSession()->setMageplazaHelloWorldPostData($data);
$resultRedirect->setPath(
'mageplaza_helloworld/*/edit',
[
'post_id' => $post->getId(),
'_current' => true
]
);
return $resultRedirect;
}
$resultRedirect->setPath('mageplaza_helloworld/*/');
return $resultRedirect;
}
/**
* filter values
*
* @param array $data
* @return array
*/
protected function _filterData($data)
{
if (isset($data['sample_multiselect'])) {
if (is_array($data['sample_multiselect'])) {
$data['sample_multiselect'] = implode(',', $data['sample_multiselect']);
}
}
return $data;
}
}
Screenshot:- http://prntscr.com/gqm7xw
Please help me how to fix thanks
