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khosb/application/classes/ormosb.php

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<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class extends Kohana's [ORM] class to create defaults for OSB.
*
* @package OSB
* @subpackage Core
* @category ORM
* @author Deon George
* @copyright (c) 2010 Open Source Billing
* @license http://dev.osbill.net/license.html
*/
abstract class ORMOSB extends ORM {
/**
* @var string Database to connect to
*/
protected $_db = 'default';
protected $_created_column = array('column'=>'date_orig','format'=>TRUE);
protected $_updated_column = array('column'=>'date_last','format'=>TRUE);
// Our attribute values that need to be stored as serialized
protected $_serialize_column = array();
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// Our attributes used in forms.
protected $_form = array();
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public function rules() {
return array(
'id'=>array(
array('ORMOSB::get_next_id',array(':validation',':model',':field')),
),
'site_id'=>array(
array('ORMOSB::set_site_id',array(':validation',':model',':field')),
),
);
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}
/**
* This function will enhance the [Validate::filter], since it always passes
* the value as the first argument and sometimes functions need that to not
* be the first argument.
*
* Currently this implements:
* [date()][date-ref]
*
* [date-ref]: http://www.php.net/date
*
* This function will throw an exception if called without a function
* defined.
*
* @param mixed $val Value to be processed
* @param string $func Name of function to call
* @param string $arg Other arguments for the function
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* @todo This has probably changed in KH 3.1
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*/
final public static function _filters($val,$func,$arg) {
switch ($func) {
case 'date':
return date($arg,$val);
default:
throw new Exception(sprintf(_('Unknown function: %s (%s,%s)'),$func,$arg,$val));
}
}
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final public static function form($table,$blank=FALSE) {
return ORM::factory($table)->formselect($blank);
}
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/**
* Get Next record id
*
* @param array Validate object
* @param string Primary Key
*/
// @todo Do we need the $array?
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public static function get_next_id(Validation $array,$model,$field) {
if (! is_null($model->$field))
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return TRUE;
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$model->_changed[$field] = $field;
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$ido = ORM::factory('module')
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->where('name','=',$model->_table_name)
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->find();
if (! $ido->loaded())
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throw new Kohana_Exception('Problem getting record_id for :table',array(':table'=>$model->_table_name));
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$model->$field = $ido->record_id->next_id($ido->id);
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return TRUE;
}
// @todo Do we need the $array?
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public static function set_site_id(Validation $array,$model,$field) {
if (! is_null($model->$field))
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return TRUE;
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$model->_changed[$field] = $field;
$model->$field = Config::siteid();
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return TRUE;
}
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public function __get($column) {
if (array_key_exists($column,$this->_table_columns)) {
// If the column is a blob, we'll decode it automatically
if (
$this->_table_columns[$column]['data_type'] == 'blob'
AND ! is_null($this->_object[$column])
AND ! isset($this->_changed[$column])
AND (! isset($this->_table_columns[$column]['auto_convert']) OR ! $this->_table_columns[$column]['auto_convert'])
) {
// In case our blob hasnt been saved as one.
try {
$this->_object[$column] = $this->blob($this->_object[$column]);
}
catch(Exception $e) {
// @todo Log this exception
echo Kohana_Exception::text($e), "\n";
echo debug_print_backtrace();
}
$this->_table_columns[$column]['auto_convert'] = TRUE;
}
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// If the column is a serialized object, we'll unserialize it.
if (
in_array($column,$this->_serialize_column)
AND is_string($this->_object[$column])
AND ! is_null($this->_object[$column])
AND ! isset($this->_changed[$column])
AND (! isset($this->_table_columns[$column]['unserialized']) OR ! $this->_table_columns[$column]['unserialized'])
) {
// In case our object hasnt been saved as serialized.
try {
$this->_object[$column] = unserialize($this->_object[$column]);
}
catch(Exception $e) {
// @todo Log this exception
echo Kohana_Exception::text($e), "\n";
echo debug_print_backtrace();
}
$this->_table_columns[$column]['unserialized'] = TRUE;
}
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}
return parent::__get($column);
}
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public function formselect($blank) {
$result = array();
if ($blank)
$result[] = '';
foreach ($this->find_all() as $o)
$result[$o->{$this->_form['id']}] = $o->{$this->_form['value']};
return $result;
}
public function keyget($column,$key=NULL) {
if (is_null($key) OR ! is_array($this->$column))
return $this->$column;
else
return array_key_exists($key,$this->$column) ? $this->{$column}[$key] : NULL;
}
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public function save(Validation $validation = NULL) {
// Find any fields that have changed, and process them.
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if ($this->_changed)
foreach ($this->_changed as $c)
// Any fields that are blobs, and encode them.
if ($this->_table_columns[$c]['data_type'] == 'blob') {
$this->_object[$c] = $this->blob($this->_object[$c],TRUE);
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// We need to reset our auto_convert flag
if (isset($this->_table_columns[$c]['auto_convert']))
$this->_table_columns[$c]['auto_convert'] = FALSE;
// Any fields that should be seriailzed, we'll do that.
} elseif (is_array($this->_object[$c]) AND in_array($c,$this->_serialize_column)) {
$this->_object[$c] = serialize($this->_object[$c]);
}
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return parent::save($validation);
}
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public function changed() {
return $this->_changed;
}
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/**
* Retrieve and Store DB BLOB data.
*/
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private function blob($data,$set=FALSE) {
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return $set ? gzcompress(serialize($data)) : unserialize(gzuncompress($data));
}
public function config($key) {
$mc = Config::instance()->so->module_config($this->_object_name);
return empty($mc[$key]) ? '' : $mc[$key];
}
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}
?>