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_Core
 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: /**
 29:  * Custom variable resource model
 30:  *
 31:  * @category    Mage
 32:  * @package     Mage_Core
 33:  * @author      Magento Core Team <core@magentocommerce.com>
 34:  */
 35: class Mage_Core_Model_Resource_Variable extends Mage_Core_Model_Resource_Db_Abstract
 36: {
 37:     /**
 38:      * Constructor
 39:      *
 40:      */
 41:     protected function _construct()
 42:     {
 43:         $this->_init('core/variable', 'variable_id');
 44:     }
 45: 
 46:     /**
 47:      * Load variable by code
 48:      *
 49:      * @param Mage_Core_Model_Variable $object
 50:      * @param string $code
 51:      * @return Mage_Core_Model_Resource_Variable
 52:      */
 53:     public function loadByCode(Mage_Core_Model_Variable $object, $code)
 54:     {
 55:         if ($result = $this->getVariableByCode($code, true, $object->getStoreId())) {
 56:             $object->setData($result);
 57:         }
 58:         return $this;
 59:     }
 60: 
 61:     /**
 62:      * Retrieve variable data by code
 63:      *
 64:      * @param string $code
 65:      * @param boolean $withValue
 66:      * @param integer $storeId
 67:      * @return array
 68:      */
 69:     public function getVariableByCode($code, $withValue = false, $storeId = 0)
 70:     {
 71:         $select = $this->_getReadAdapter()->select()
 72:             ->from($this->getMainTable())
 73:             ->where($this->getMainTable() . '.code = ?', $code);
 74:         if ($withValue) {
 75:             $this->_addValueToSelect($select, $storeId);
 76:         }
 77:         return $this->_getReadAdapter()->fetchRow($select);
 78:     }
 79: 
 80:     /**
 81:      * Perform actions after object save
 82:      *
 83:      * @param Mage_Core_Model_Abstract $object
 84:      * @return Mage_Core_Model_Resource_Variable
 85:      */
 86:     protected function _afterSave(Mage_Core_Model_Abstract $object)
 87:     {
 88:         parent::_afterSave($object);
 89:         if ($object->getUseDefaultValue()) {
 90:             /*
 91:              * remove store value
 92:              */
 93:             $this->_getWriteAdapter()->delete(
 94:                 $this->getTable('core/variable_value'), array(
 95:                     'variable_id = ?' => $object->getId(),
 96:                     'store_id = ?' => $object->getStoreId()
 97:             ));
 98:         } else {
 99:             $data =  array(
100:                 'variable_id' => $object->getId(),
101:                 'store_id'    => $object->getStoreId(),
102:                 'plain_value' => $object->getPlainValue(),
103:                 'html_value'  => $object->getHtmlValue()
104:             );
105:             $data = $this->_prepareDataForTable(new Varien_Object($data), $this->getTable('core/variable_value'));
106:             $this->_getWriteAdapter()->insertOnDuplicate(
107:                 $this->getTable('core/variable_value'),
108:                 $data,
109:                 array('plain_value', 'html_value')
110:             );
111:         }
112:         return $this;
113:     }
114: 
115:     /**
116:      * Retrieve select object for load object data
117:      *
118:      * @param string $field
119:      * @param mixed $value
120:      * @param Mage_Core_Model_Abstract $object
121:      * @return Zend_Db_Select
122:      */
123:     protected function _getLoadSelect($field, $value, $object)
124:     {
125:         $select = parent::_getLoadSelect($field, $value, $object);
126:         $this->_addValueToSelect($select, $object->getStoreId());
127:         return $select;
128:     }
129: 
130:     /**
131:      * Add variable store and default value to select
132:      *
133:      * @param Zend_Db_Select $select
134:      * @param integer $storeId
135:      * @return Mage_Core_Model_Resource_Variable
136:      */
137:     protected function _addValueToSelect(Zend_Db_Select $select, $storeId = Mage_Core_Model_App::ADMIN_STORE_ID)
138:     {
139:         $adapter = $this->_getReadAdapter();
140:         $ifNullPlainValue = $adapter->getCheckSql('store.plain_value IS NULL', 'def.plain_value', 'store.plain_value');
141:         $ifNullHtmlValue  = $adapter->getCheckSql('store.html_value IS NULL', 'def.html_value', 'store.html_value');
142: 
143:         $select->joinLeft(
144:                 array('def' => $this->getTable('core/variable_value')),
145:                 'def.variable_id = '.$this->getMainTable().'.variable_id AND def.store_id = 0',
146:                 array())
147:             ->joinLeft(
148:                 array('store' => $this->getTable('core/variable_value')),
149:                 'store.variable_id = def.variable_id AND store.store_id = ' . $adapter->quote($storeId),
150:                 array())
151:             ->columns(array(
152:                 'plain_value'       => $ifNullPlainValue,
153:                 'html_value'        => $ifNullHtmlValue,
154:                 'store_plain_value' => 'store.plain_value',
155:                 'store_html_value'  => 'store.html_value'
156:             ));
157: 
158:         return $this;
159:     }
160: }
161: