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khosb/application/classes/ORM.php
2015-09-29 12:05:00 +10:00

120 lines
3.5 KiB
PHP

<?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 lnApp_ORM {
// 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());
// Ensure we Cache our queries
// @todo: Disabled as it is not working as expected
/*
$caching = FALSE;
foreach ($this->_db_pending as $method)
if ($method['name'] == 'cached') {
$caching = TRUE;
break;
}
if (! $caching)
$this->cached(Kohana::$config->load('cache.orm.'.$this->_table_name));
*/
return parent::_build($type);
}
/**
* Function help to find records that are active
*/
protected function _where_active() {
return $this->where('status','=',TRUE);
}
/**
* Determine if the account is authoised by the user
*/
public function authorised(Model $o=NULL,Model_Account $ao=NULL,$aid='account_id') {
if (is_null($o))
$o = $this;
if (is_null($ao))
$ao = Auth::instance()->get_user();
return in_array($o->{$aid},$ao->RTM->customers($ao->RTM));
}
/**
* Override KH's ORM count_relations() function, to include our site_id in the query.
*
* This is a copy of KH's ORM count_relations() function, with the addition of a where
* clause to include the site id.
*/
public function count_relations($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;
}
/**
* Function help to find records that are active
*/
public function list_active() {
return $this->_where_active()->find_all();
}
public function where_active() {
return $this->_where_active();
}
public function where_authorised(Model_Account $ao=NULL,$aid='account_id') {
if (is_null($ao))
$ao = Auth::instance()->get_user();
return $this->where($aid,'IN',$ao->RTM->customers($ao->RTM));
}
}
?>