15/08/2022
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How To Create Model In Magento 2
Steps to create Model in Magento 2
Create Setup Script
Create a setup file in your module, to create a database.
Directory
app/code/VendorName/ModuleName/Setup/InstallSchema.phpContent for InstallSchema.php
<?php
namespace VendorName\ModuleName\Setup;
class InstallSchema implements \Magento\Framework\Setup\InstallSchemaInterface
{
public function install(\Magento\Framework\Setup\SchemaSetupInterface $setup, \Magento\Framework\Setup\ModuleContextInterface $context)
{
$installer = $setup;
$installer->startSetup();
if (!$installer->tableExists('vendorname_modulename_post')) {
$table = $installer->getConnection()->newTable(
$installer->getTable('vendorname_modulename_post')
)
->addColumn(
'post_id',
\Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
null,
[
'identity' => true,
'nullable' => false,
'primary' => true,
'unsigned' => true,
],
'Post ID'
)
->addColumn(
'name',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
['nullable => false'],
'Post Name'
)
->addColumn(
'url_key',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
[],
'Post URL Key'
)
->addColumn(
'post_content',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
'64k',
[],
'Post Post Content'
)
->addColumn(
'tags',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
[],
'Post Tags'
)
->addColumn(
'status',
\Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
1,
[],
'Post Status'
)
->addColumn(
'featured_image',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
[],
'Post Featured Image'
)
->addColumn(
'created_at',
\Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP,
null,
['nullable' => false, 'default' => \Magento\Framework\DB\Ddl\Table::TIMESTAMP_INIT],
'Created At'
)->addColumn(
'updated_at',
\Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP,
null,
['nullable' => false, 'default' => \Magento\Framework\DB\Ddl\Table::TIMESTAMP_INIT_UPDATE],
'Updated At')
->setComment('Post Table');
$installer->getConnection()->createTable($table);
$installer->getConnection()->addIndex(
$installer->getTable('vendorname_modulename_post'),
$setup->getIdxName(
$installer->getTable('vendorname_modulename_post'),
['name','url_key','post_content','tags','featured_image'],
\Magento\Framework\DB\Adapter\AdapterInterface::INDEX_TYPE_FULLTEXT
),
['name','url_key','post_content','tags','featured_image'],
\Magento\Framework\DB\Adapter\AdapterInterface::INDEX_TYPE_FULLTEXT
);
}
$installer->endSetup();
}
}
Create UpgradeSchema.php
Directory
app/code/VendorName/ModuleName/Setup/UpgradeSchema.php
Content for UpgradeSchema.php
<?php
namespace VendorName\ModuleName\Setup;
use Magento\Framework\Setup\UpgradeSchemaInterface;
use Magento\Framework\Setup\SchemaSetupInterface;
use Magento\Framework\Setup\ModuleContextInterface;
class UpgradeSchema implements UpgradeSchemaInterface
{
public function upgrade( SchemaSetupInterface $setup, ModuleContextInterface $context ) {
$installer = $setup;
$installer->startSetup();
if(version_compare($context->getVersion(), '1.1.0', '<')) {
if (!$installer->tableExists('vendorname_modulename_post')) {
$table = $installer->getConnection()->newTable(
$installer->getTable('vendorname_modulename_post')
)
->addColumn(
'post_id',
\Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
null,
[
'identity' => true,
'nullable' => false,
'primary' => true,
'unsigned' => true,
],
'Post ID'
)
->addColumn(
'name',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
['nullable => false'],
'Post Name'
)
->addColumn(
'url_key',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
[],
'Post URL Key'
)
->addColumn(
'post_content',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
'64k',
[],
'Post Post Content'
)
->addColumn(
'tags',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
[],
'Post Tags'
)
->addColumn(
'status',
\Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
1,
[],
'Post Status'
)
->addColumn(
'featured_image',
\Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
255,
[],
'Post Featured Image'
)
->addColumn(
'created_at',
\Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP,
null,
['nullable' => false, 'default' => \Magento\Framework\DB\Ddl\Table::TIMESTAMP_INIT],
'Created At'
)->addColumn(
'updated_at',
\Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP,
null,
['nullable' => false, 'default' => \Magento\Framework\DB\Ddl\Table::TIMESTAMP_INIT_UPDATE],
'Updated At')
->setComment('Post Table');
$installer->getConnection()->createTable($table);
$installer->getConnection()->addIndex(
$installer->getTable('vendorname_modulename_post'),
$setup->getIdxName(
$installer->getTable('vendorname_modulename_post'),
['name','url_key','post_content','tags','featured_image'],
\Magento\Framework\DB\Adapter\AdapterInterface::INDEX_TYPE_FULLTEXT
),
['name','url_key','post_content','tags','featured_image'],
\Magento\Framework\DB\Adapter\AdapterInterface::INDEX_TYPE_FULLTEXT
);
}
}
$installer->endSetup();
}
}
After this run this command:
php bin/magento setup:upgrade
When the upgrade is completed, run this command
php bin/magento setup:static-content:deploy
Create Model
Directory
app/code/VendorName/ModuleName/Model/Post.php
Content for Post.php
<?php
namespace VendorName\ModuleName\Model;
class Post extends \Magento\Framework\Model\AbstractModel implements \Magento\Framework\DataObject\IdentityInterface
{
const CACHE_TAG = 'vendorname_modulename_post';
protected $_cacheTag = 'vendorname_modulename_post';
protected $_eventPrefix = 'vendorname_modulename_post';
protected function _construct()
{
$this->_init('VendorName\ModuleName\Model\ResourceModel\Post');
}
public function getIdentities()
{
return [self::CACHE_TAG . '_' . $this->getId()];
}
public function getDefaultValues()
{
$values = [];
return $values;
}
}
Create Resource Model
Directory
app/code/VendorName/ModuleName/Model/ResourceModel/Post.php
Content for Post.php
<?php
namespace VendorName\ModuleName\Model\ResourceModel;
class Post extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
{
public function __construct(
\Magento\Framework\Model\ResourceModel\Db\Context $context
)
{
parent::__construct($context);
}
protected function _construct()
{
$this->_init('vendorname_modulename_post', 'post_id');
}
}
Create Resource Model Collection
Directory
app/code/VendorName/ModuleName/Model/ResourceModel/Post/Collection.php
Content for Collection.php
<?php
namespace VendorName\ModuleName\Model\ResourceModel\Post;
class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
{
protected $_idFieldName = 'post_id';
protected $_eventPrefix = 'vendorname_modulename_post_collection';
protected $_eventObject = 'post_collection';
/**
* Define resource model
*
* @return void
*/
protected function _construct()
{
$this->_init('VendorName\ModuleName\Model\Post', 'VendorName\ModuleName\Model\ResourceModel\Post');
}
}
Create Factory Object
We will call the model to get data in the controller,
Directory
app/code/VendorName/ModuleName/Controller/Index/Index.php
Content for Index.php
<?php
namespace VendorName\ModuleName\Controller\Index;
class Index extends \Magento\Framework\App\Action\Action
{
protected $_pageFactory;
protected $_postFactory;
public function __construct(
\Magento\Framework\App\Action\Context $context,
\Magento\Framework\View\Result\PageFactory $pageFactory,
\Mageplaza\HelloWorld\Model\PostFactory $postFactory
)
{
$this->_pageFactory = $pageFactory;
$this->_postFactory = $postFactory;
return parent::__construct($context);
}
public function execute()
{
$post = $this->_postFactory->create();
$collection = $post->getCollection();
foreach($collection as $item){
echo "<pre>";
print_r($item->getData());
echo "</pre>";
}
exit();
return $this->_pageFactory->create();
}
}
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