1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Eav
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: /**
 28:  * Eav Resource Entity Attribute Group
 29:  *
 30:  * @category    Mage
 31:  * @package     Mage_Eav
 32:  * @author      Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Eav_Model_Resource_Entity_Attribute_Group extends Mage_Core_Model_Resource_Db_Abstract
 35: {
 36:     /**
 37:      * Resource initialization
 38:      */
 39:     protected function _construct()
 40:     {
 41:         $this->_init('eav/attribute_group', 'attribute_group_id');
 42:     }
 43: 
 44:     /**
 45:      * Checks if attribute group exists
 46:      *
 47:      * @param Mage_Eav_Model_Entity_Attribute_Group $object
 48:      * @return boolean
 49:      */
 50:     public function itemExists($object)
 51:     {
 52:         $adapter   = $this->_getReadAdapter();
 53:         $bind      = array(
 54:             'attribute_set_id'      => $object->getAttributeSetId(),
 55:             'attribute_group_name'  => $object->getAttributeGroupName()
 56:         );
 57:         $select = $adapter->select()
 58:             ->from($this->getMainTable())
 59:             ->where('attribute_set_id = :attribute_set_id')
 60:             ->where('attribute_group_name = :attribute_group_name');
 61: 
 62:         return $adapter->fetchRow($select, $bind) > 0;
 63:     }
 64: 
 65:     /**
 66:      * Perform actions before object save
 67:      *
 68:      * @param Mage_Core_Model_Abstract $object
 69:      * @return Mage_Core_Model_Resource_Db_Abstract
 70:      */
 71:     protected function _beforeSave(Mage_Core_Model_Abstract $object)
 72:     {
 73:         if (!$object->getSortOrder()) {
 74:             $object->setSortOrder($this->_getMaxSortOrder($object) + 1);
 75:         }
 76:         return parent::_beforeSave($object);
 77:     }
 78: 
 79:     /**
 80:      * Perform actions after object save
 81:      *
 82:      * @param Mage_Core_Model_Abstract $object
 83:      * @return Mage_Core_Model_Resource_Db_Abstract
 84:      */
 85:     protected function _afterSave(Mage_Core_Model_Abstract $object)
 86:     {
 87:         if ($object->getAttributes()) {
 88:             foreach ($object->getAttributes() as $attribute) {
 89:                 $attribute->setAttributeGroupId($object->getId());
 90:                 $attribute->save();
 91:             }
 92:         }
 93: 
 94:         return parent::_afterSave($object);
 95:     }
 96: 
 97:     /**
 98:      * Retreive max sort order
 99:      *
100:      * @param Mage_Core_Model_Abstract $object
101:      * @return int
102:      */
103:     protected function _getMaxSortOrder($object)
104:     {
105:         $adapter = $this->_getReadAdapter();
106:         $bind    = array(':attribute_set_id' => $object->getAttributeSetId());
107:         $select  = $adapter->select()
108:             ->from($this->getMainTable(), new Zend_Db_Expr("MAX(sort_order)"))
109:             ->where('attribute_set_id = :attribute_set_id');
110: 
111:         return $adapter->fetchOne($select, $bind);
112:     }
113: 
114:     /**
115:      * Set any group default if old one was removed
116:      *
117:      * @param integer $attributeSetId
118:      * @return Mage_Eav_Model_Resource_Entity_Attribute_Group
119:      */
120:     public function updateDefaultGroup($attributeSetId)
121:     {
122:         $adapter = $this->_getWriteAdapter();
123:         $bind    = array(':attribute_set_id' => $attributeSetId);
124:         $select  = $adapter->select()
125:             ->from($this->getMainTable(), $this->getIdFieldName())
126:             ->where('attribute_set_id = :attribute_set_id')
127:             ->order('default_id ' . Varien_Data_Collection::SORT_ORDER_DESC)
128:             ->limit(1);
129: 
130:         $groupId = $adapter->fetchOne($select, $bind);
131: 
132:         if ($groupId) {
133:             $data  = array('default_id' => 1);
134:             $where = array('attribute_group_id =?' => $groupId);
135:             $adapter->update($this->getMainTable(), $data, $where);
136:         }
137: 
138:         return $this;
139:     }
140: }
141: