mm09.2 Magento Attribute Models

eav_entity_type

<config>

<global>

<customer>

<models>

<customer>

<class>Mage_Customer_Model</class>

<resourceModel>customer_entity</resourceModel>

</customer>

<customer_entity>

<class>Mage_Customer_Model_Entity</class>

<entities>

<entity>

<table>customer_entity</table>

</entity>

<address_entity>

<table>customer_address_entity</table>

</address_entity>

<value_prefix>

<table>customer_entity</table>

</value_prefix>

<customer_group>

<table>customer_group</table>

</customer_group>

</entities>

</customer_entity>

</models>

</customer>

</global>

</config>

eav_attribute

Flat Catalog

public function getFlatIndexes();

Mage::getResourceModel('eav/entity_attribute')

->getFlatUpdateSelect($this->getAttribute(), $store);

Flexibler default-Wert

public function getDefaultValue()

Select/Multiselect:

Liefern der Optionen

public function getAllOptions();

Mage::getModel('catalog/product')->getCollection()->toOptionArray();

Mage_Eav_Model_Entity_Attribute_Source_Boolean

Mage_Eav_Model_Entity_Attribute_Source_Store

Mage_Eav_Model_Entity_Attribute_Source_Table

Mage_Eav_Model_Entity_Attribute_Source_Config

Mage_Customer_Model_Customer_Attribute_Source_Group

usw...

<?php

class Mm09_SampleModule_Model_Entity_Attribute_Source_Xignite

extends Mage_Eav_Model_Entity_Attribute_Source_Abstract

{

public function getAllOptions()

{

if (! $this->_options)

{

$this->_options = array(array(

'value' => '',

'label' => Mage::helper('SampleModule')->__('--- Please Choose ---')

));

$client = new SoapClient('http://www.xignite.com/xGlobalQuotes.asmx?WSDL');

$result = $client->GetGlobalDelayedQuotes(array('Identifiers' => 'BMW.DE,MTV.L,RSL.L', 'IdentifierType' => 'Symbol'));

foreach ($result->GetGlobalDelayedQuotesResult->GlobalQuote as $record)

{

$this->_options[] = array(

'value' => $record->Security->Symbol,

'label' => sprintf('%s (%s)', $record->Security->Name, $record->Security->Market)

);

}

}

return $this->_options;

}

}

afterLoad();

beforeSave();

afterSave();

beforeDelete();

afterDelete();

validate();

public function getValue(Varien_Object $object)

{

$data = '';

if ($value = parent::getValue($object))

{

$data = Mage::getSingleton('core/locale')->date($value, Zend_Date::ISO_8601, null, false)

->toString('YYYY-MM-dd HH:ii:ss');

}

return $data;

}

public function getInputRendererClass();

Fragen ?

attribute_id | attribute_code | attribute_model | source_model | backend_model | frontend_model | backend_type | ...

entity_type_id | entity_type_code | entity_model | entity_table | attribute_model | ...

FK eav_entity.entity_type_id

Mage_Customer_Model_Customer

unique ID

Default ist eav/entity_attribute

Default eav/entity_attribute

Default eav/entity_attribute_backend_default

Default eav/entity_attribute_source_config

unique ID

Default eav/entity_attribute_frontend_default

entity_table

customer/entity

Attribute Models

Frontend Models

Mage_Eav_Model_Entity_Attribute_Frontend_Abstract

mm09.2 in ffm

02.11.2009

von Vinai Kopp

public function getValue();

Formatieren vor der Ausgabe

für komplexe Backend Interfaces

Block Klasse, Varien_Data_Form_Element_Abstract

public function getElementHtml();

Flexibler default-Wert im Frontend

<?php

abstract class Mm09_SampleModule_Model_Entity_Attribute_Frontend_Sample

extends Mage_Eav_Model_Entity_Attribute_Frontend_Abstract

{

public function getValue($object)

{

$value = parent::getValue($object)

if (! isset($value))

{

$value = Mage::getStoreConfig('general/sample_module/default_value');

}

return $value;

}

}

Entity Models

Kontakt

Vinai Kopp

Beispiel...

Werte via SOAP holen

(ein unsinniges Beispiel...!)

Freier Programmierer

vinai@netzarbeiter.de

+49 173 - 31 33 444

Optionen als Array

Source Model

Deutsches offizielles Magento Forum: http://www.magentocommerce.com/boards/viewforum/25/

IRC irc.freenode.net Channel #magento-de (deutsch) oder #magento (english)

Dokumentation?

t3n Magazin: regelmäßig Magento Artikel

Liste mit Magento-Development Blogs http://blog.velite.de/essential-magento-developer-blogs/

... Zeitlos und immer Richtig: use the Source...!

Bücher:

Online-Shops mit Magento (Roman Zenner)

Magento - Das Handbuch für Entwickler (Visions new Media Entwickler)

Mage_Core_Model_Abstract

return array(

array(

'value' => '',

'label' => Mage::helper('core')->__('--- Please Choose ---'),

),

array(

'value' => 'wert1',

'label' => 'Option Eins'

),

array(

'value' => 'wert2',

'label' => 'Option Zwei'

)

);

Setup Script

<?php

$this->startSetup();

$this->addAttribute('catalog_product', 'source_sample', array(

'label' => 'xIgnite SOAP API',

'type' => 'varchar',

'input' => 'select',

'source' => 'SampleModule/entity_attribute_source_xignite',

'global' => Mage_Catalog_Model_Resource_Eav_Attribute::SCOPE_STORE,

'visible' => 1,

'visible_on_front' => 0,

'required' => 0,

'user_defined' => 1,

'default' => ''

));

$this->endSetup();

Support

Optionen aus der Konfiguration

<?php

abstract class Mm09_SampleModule_Model_Entity_Attribute_Sample

extends Mage_Catalog_Model_Resource_Eav_Attribute

{

public function getDefaultValue()

{

$value = Mage::getStoreConfig('general/sample_module/default_value');

return $value;

}

}

<global>

<modul>

<fields>

<red><label>Rotwein</label> </red>

<white><label>Weißwein</label></white>

<champagne><label>Sekt</label></champagne>

<desert><label>Dessertwein</label></desert>

</fields>

</modul>

</global>

if ($config = Mage::getConfig()->getNode('global/modul/fields')->asArray())

{

if (is_array($config)) foreach ($config as $value => $data)

{

$this->_options[] = array(

'value' => $value,

'label' => $data['label'],

);

}

}

Optionen aus Collections

function _construct()

{

$this->_init('customer/customer');

}

protected function _init($resourceModel)

{

$this->_setResourceModel($resourceModel);

}

mapped to Mage_Customer_Model_Entity_Customer

$indexName = $this->getAttribute()->getAttributeCode();

array(

$indexName => 'attribute_column_name',

...

)

Source Models

Attribute Models

public function getOptionText($value);

Mage_Eav_Model_Entity_Attribute_Source_Abstract

public function getOptionText($value)

{

$optionText = parent::getOptionText($value);

if (is_array($optionText) && isset($optionText['label']))

{

$optionText = $optionText['label'];

}

return $optionText;

}

getBackend()

getSource()

getFrontend()

getEntity()

Bug in Mage_Eav_Model_Entity_Attribute_Source_Abstract::getOptionText()

Behoben in Magento 1.4

Interface zu allen weiteren Models

Mage_Catalog_Model_Resource_Eav_Attribute

Mage_Eav_Model_Entity_Attribute_Abstract

public function

public function getFlatColums();

... Product und Category Attribute

für Product und Category select/multiselect Attribute...

$columnName = $this->getAttribute()->getAttributeCode();

array(

$columnName = array(

'type' => 'int',

'unsigned' => false,

'is_null' => true,

'default' => null,

'extra' => null

)

);

public function getFlatUpdateSelect($store);

public function getFlatColumns();

public function getFlatIndexes();

für non-Select/Multiselect Attribute

Der Flat Catalog

Varien_Db_Select das den Wert des Attributes zurückliefert.

Default Source Models

public function getFlatUpdateSelect($store);

Entity Resource Models

Beispiel - Validierung

Mage_Eav_Model_Entity_Abstract

Core Backend Models

public function validate($object)

{

if (parent::validate($object))

{

$attrCode = $this->getAttribute()->getAttributeCode();

$data = $object->getData($attrCode);

if ($data)

{

if (! is_numeric($data))

{

Mage::throwException(Mage::helper('SampleModule')->__('The amount must be a numeric value'));

}

if ($data < 0)

{

Mage::throwException(Mage::helper('SampleModule')->__('The amount must greater then zero'));

}

}

}

return true;

}

Mage_Eav_Model_Entity_Attribute_Backend_Array

Mage_Eav_Model_Entity_Attribute_Backend_Datetime

Mage_Eav_Model_Entity_Attribute_Backend_Increment

Mage_Eav_Model_Entity_Attribute_Backend_Store

Mage_Customer_Model_Customer_Attribute_Backend_Password

Mage_Catalog_Model_Product_Attribute_Backend_Media

... und viele mehr

public function getReadConnection();

public function loadAllAttributes($object=null);

public function getWriteConnection();

public function getAttribute($attribute);

public function beginTransaction();

public function saveAttribute(Varien_Object $object, $attributeCode);

public function commit();

public function rollBack();

Mage_Eav_Model_Entity_Attribute_Backend_Abstract

Backend Models

... wie der Name schon sagt

Cleanup

... Files löschen

... Alternative zu model_delete_after Events

Integrity Checks - darf gelöscht werden?

Eigene Trigger anstoßen

... Caching

... externe Systeme

... Alternative zum afterSave() im Model

Default Werte setzen

Werte aktualisieren

Daten zum Speichern formatieren

Nachladen von Werten aus

weiteren Tabellen / Dateien

Load / Save Trigger

public function getEntityIdField();

public function

Feld zum Joinen der Value Tabelle mit der Entity Tabelle

Default: entity_id aus Mage_Eav_Model_Entity::DEFAULT_ENTITY_ID_FIELD

public function getTable();

Für backend_type = 'static' backend_table der Entity

Name der Tabelle mit für den Wert des Attributs

EAV Attribute - backend_table der Entity . '_' . Data-Type

Datenbank