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© 2014 Irish Titan
Anatomy of a Magento Extension
Jon Saverda
© 2014 Irish Titan
Understanding Extension Flow
• Local • Community • Core (Please do not edit these)
© 2014 Irish Titan
Starting your extensions
<?xml version="1.0" encoding="UTF-8"?><config> <modules> <Irishtitan_Example> <codePool>local</codePool>
<active>true</active> </Irishtitan_Example> </modules></config>
© 2014 Irish Titan
It Works!
© 2014 Irish Titan
Finally getting started<?xml version="1.0" encoding="UTF-8"?>
<config> <modules> <Irishtitan_Fabric> <version>0.1.0</version> </Irishtitan_Fabric> </modules></config>
© 2014 Irish Titan
Setting up a controller<config>
<modules> ..... <frontend> <routers> <irishtitan_example> <use>standard</use> <args> <module>Irishtitan_Example</module> <frontName>example</frontName> </args> </irishtitan_example> </routers> </frontend> ..... </modules></config>
© 2014 Irish Titan
The controller file
class Irishtitan_Example_IndexController extends Mage_Core_Controller_Front_Action{
public function indexAction(){
echo 'You now have text on the page!!!';}
}
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Blocks<global> <blocks> <irishtitan_example> <class>Irishtitan_Example_Block</class> </irishtitan_example> </blocks></global>
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/* Updated controller */
class Irishtitan_Example_IndexController extends Mage_Core_Controller_Front_Action{
public function indexAction(){
$this->loadLayout();
$block = $this->getLayout()->createBlock('irishtitan_example/example');
$this->getLayout()->getBlock('content')->insert($block);
$this->renderLayout();}
}
class Irishtitan_Example_Block_Example extends Mage_Core_Block_Template{
public function __construct(){
parent::__construct();
$this->setTemplate('irishtitan_example/example.phtml');}
}
© 2014 Irish Titan
© 2014 Irish Titan
ModelModel - This is where you place most of your business logic and also represents an entity in the db
● Models need four files in order to work properly○ The model file○ The model resource file○ Model Collection File○ Installation script
<models> <irishtitan_example> <class>Irishtitan_Example_Model</class> </irishtitan_example></models>
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SQL$installer = $this;
$installer>startSetup();
$installer->run(" DROP TABLE IF EXISTS `{$this->getTable(example)}`; CREATE TABLE `fabric` ( `id` int(11) unsigned NOT NULL AUTO_INCREMENT, `example_name` varchar(255) NOT NULL, `example_img` varchar(1000) DEFAULT NULL, `description` text, `active` int(10) unsigned DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `id` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8");
$installer->endSetup();
© 2014 Irish Titan
Helpers<helpers> <irishtitan_example> <class>Irishtitan_Example_Helper</class> </irishtitan_example></helpers>
class Irishtitan_Example_Helper_Data extends Mage_Core_Helper_Abstract{
public function exampleHelper(){
return 'Here is a example of the helper';}
}
<?php echo Mage::helper('irishtitan_example')->exampleHelper(); ?>
© 2014 Irish Titan
© 2014 Irish Titan
Events / Observers<adminhtml> <events> <catalog_product_save_after> <observers> <irishtitan_example>
<class>Irishtitan_Example_Model_Observer</class>
<method>sendProductToThirdParty</method>
</irishtitan_example> </observers> </catalog_product_save_after> </events></adminhtml>
class Irishtitan_Example_Model_Observer{
public function sendProductToThirdPartyAction($observer)
{/* Here is the code to send a product to a
third party */ $product = $observer->getEvent()->getProduct();
}}
© 2014 Irish Titan
Resourceshttp://www.silksoftware.com/magento-module-creator/http://magicento.com/
