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Posts tagged with: custom model

Magento 2 create custom model

Every custom module that need to interact with database for that we need to create model. So today we talk about how to create magento 2 create custom model. Model consist of three files model file, resource model file and collection. So let create the our model file.

Step 1: Model file

Model file is pointing out our resource model. Here is example code model file on Github.

<?php


namespace QaisarSatti\HelloWorld\Model;



    class Helloworld extends \Magento\Framework\Model\AbstractModel  
    {  
        protected function _construct()
        {
            $this->_init('QaisarSatti\HelloWorld\Model\ResourceModel\Helloworld');
        }
    }

Step 2: Create Resource model file

In resource model file we initialize table name and primary key column name. Here is example code resource model file on Github.

<?php


namespace QaisarSatti\HelloWorld\Model\ResourceModel;


use \Magento\Framework\Model\ResourceModel\Db\AbstractDb;

class Helloworld extends AbstractDb

{

    protected function _construct()

    {

        $this->_init('blog_posts', 'post_id');

    }

}

Step 3: Collection model

In collection model file have initialize model and resource model. Here is example code collection model file on Github.

<?php


namespace QaisarSatti\HelloWorld\Model\ResourceModel\Helloworld;


use Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection;


class Collection extends AbstractCollection

{

    protected function _construct()
    {

        $this->_init(
        'QaisarSatti\HelloWorld\Model\Helloworld',
        'QaisarSatti\HelloWorld\Model\ResourceModel\Helloworld');

    }

}

Here is complete example code on Github

Author: Qaisar Satti
Category: Magento 2
Last Modified: January 2, 2018