<?php
/*****************************************************************************
*       ProcedureCodesLOINCIterator.php
*
*       Author:  ClearHealth Inc. (www.clear-health.com)        2009
*       
*       ClearHealth(TM), HealthCloud(TM), WebVista(TM) and their 
*       respective logos, icons, and terms are registered trademarks 
*       of ClearHealth Inc.
*
*       Though this software is open source you MAY NOT use our 
*       trademarks, graphics, logos and icons without explicit permission. 
*       Derivitive works MUST NOT be primarily identified using our 
*       trademarks, though statements such as "Based on ClearHealth(TM) 
*       Technology" or "incoporating ClearHealth(TM) source code" 
*       are permissible.
*
*       This file is licensed under the GPL V3, you can find
*       a copy of that license by visiting:
*       http://www.fsf.org/licensing/licenses/gpl.html
*       
*****************************************************************************/


class ProcedureCodesLOINCIterator extends WebVista_Model_ORMIterator implements Iterator {

	public function __construct($dbSelect = null,$autoLoad = true) {
		$this->_ormClass = 'ProcedureCodesLOINC';
		if ($dbSelect === null) {
			$dbSelect = $this->getDefaultSQLSelect()->order('shortname');
		}
		// autoLoad gives an option to query the entire rows which takes time if more data in the table
		if ($autoLoad) {
			parent::__construct($this->_ormClass,$dbSelect);
		}
	}

	public static function getDefaultSQLSelect() {
		$db = Zend_Registry::get('dbAdapter');
		$sqlSelect = $db->select()
				->from('procedureCodesLOINC')
				->where("status = 'ACTIVE'")
				->where("order_obs = 'Order' OR order_obs = 'Both' OR order_obs = 'Observation'");
		return $sqlSelect;
	}

	public function setFilters($filters) {
		$db = Zend_Registry::get('dbAdapter');
		$dbSelect = $this->getDefaultSQLSelect()->order('shortname');
		foreach ($filters as $key=>$value) {
			switch ($key) {
				case 'autocomplete':
					$value = $db->quote('%'.$value.'%');
					$dbSelect->where('loinc_num LIKE '.$value.' OR shortname LIKE '.$value.' OR long_common_name LIKE '.$value);
					break;
			}
		}
		$dbSelect->order('shortname');
		trigger_error($dbSelect->__toString(),E_USER_NOTICE);
		$this->_dbSelect = $dbSelect;
		$this->_dbStmt = $db->query($this->_dbSelect);
	}

}
