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khosb/application/classes/ORM.php

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2013-10-10 02:44:53 +00:00
<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class overrides Kohana's ORM
*
* This file contains enhancements for Kohana, that should be considered upstream and maybe havent been yet.
* It also contains some functionality for OSB, which cannot be covered in ORM_OSB.
*
* @package OSB
* @category Modifications
* @author Deon George
* @copyright (c) 2009-2013 Open Source Billing
* @license http://dev.osbill.net/license.html
*/
abstract class ORM extends Kohana_ORM {
protected $_table_names_plural = FALSE;
protected $_model_names_plural = FALSE;
private $_object_formated = array();
private $_formated = FALSE;
// Our filters used to display values in a friendly format
protected $_display_filters = array();
/**
* Format fields for display purposes
*
* @param string column name
* @return mixed
*/
private function _format() {
foreach ($this->_display_filters as $column => $formats)
$this->_object_formated[$column] = $this->run_filter($column,$this->__get($column),array($column=>$formats));
$this->_formated = TRUE;
}
/**
* Return a formated columns, as per the model definition
*/
public function display($column) {
// Trigger a load of the record.
$value = $this->__get($column);
// If some of our fields need to be formated for display purposes.
if (! $this->_formated AND $this->_display_filters)
$this->_format();
if (isset($this->_object_formated[$column]))
return $this->_object_formated[$column];
else
return HTML::nbsp($value);
}
/**
* Override KH's ORM count_relations() function, to include our site_id in the query.
*
* This is a copy of KH's ORM count_relations() function, with the addition of a where
* clause to include the site id.
*/
public function count_relations($alias, $far_keys = NULL)
{
if ($far_keys === NULL)
{
return (int) DB::select(array(DB::expr('COUNT(*)'), 'records_found'))
->from($this->_has_many[$alias]['through'])
->where($this->_has_many[$alias]['foreign_key'], '=', $this->pk())
->where('site_id', '=', Company::instance()->site())
->execute($this->_db)->get('records_found');
}
$far_keys = ($far_keys instanceof ORM) ? $far_keys->pk() : $far_keys;
// We need an array to simplify the logic
$far_keys = (array) $far_keys;
// Nothing to check if the model isn't loaded or we don't have any far_keys
if ( ! $far_keys OR ! $this->_loaded)
return 0;
$count = (int) DB::select(array(DB::expr('COUNT(*)'), 'records_found'))
->from($this->_has_many[$alias]['through'])
->where($this->_has_many[$alias]['foreign_key'], '=', $this->pk())
->where($this->_has_many[$alias]['far_key'], 'IN', $far_keys)
->where('site_id', '=', Company::instance()->site())
->execute($this->_db)->get('records_found');
// Rows found need to match the rows searched
return (int) $count;
}
/** OSB SPECIFIC ENHANCEMENTS **/
// Tables that do not have a site_id column
public static $no_site_id_tables = array('setup','country','currency','language','tax');
/**
* Add our OSB site_id to each SELECT query
* @see parent::__build()
*/
final protected function _build($type) {
// Exclude tables without site ID's
if (! in_array($this->_table_name,ORM::$no_site_id_tables))
$this->where($this->_object_name.'.site_id','=',Company::instance()->site());
return parent::_build($type);
}
/**
* Function help to find records that are active
*/
public function list_active() {
return $this->_where_active()->find_all();
}
/**
* Function help to find records that are active
*/
protected function _where_active() {
return $this->where('status','=',TRUE);
}
public function where_active() {
return $this->_where_active();
}
}
?>