288 lines
7.4 KiB
PHP
288 lines
7.4 KiB
PHP
<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class extends Kohana's [ORM] class to create defaults for OSB.
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*
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* @package OSB
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* @category Helpers
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* @author Deon George
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* @copyright (c) 2009-2013 Open Source Billing
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* @license http://dev.osbill.net/license.html
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*/
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abstract class ORM_OSB extends ORM {
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/**
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* @var string Database to connect to
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*/
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protected $_db = 'default';
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protected $_created_column = array('column'=>'date_orig','format'=>TRUE);
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protected $_updated_column = array('column'=>'date_last','format'=>TRUE);
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// Our attributes used in forms.
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protected $_form = array();
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// Our attributes that should be converted to NULL when empty
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protected $_nullifempty = array();
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// Our attribute values that need to be stored as serialized
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protected $_serialize_column = array();
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// If we need to load any sub items on loading this model
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protected $_sub_items = array();
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protected $_sub_items_load = array();
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protected $_sub_items_sorted = FALSE;
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// Rules to assist with site ID and getting next record ID for inserts.
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public function rules() {
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return array(
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'id'=>array(
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array('ORM_OSB::get_next_id',array(':model',':field')),
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),
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'site_id'=>array(
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array('ORM_OSB::set_site_id',array(':model',':field')),
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),
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);
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}
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/**
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* Retrieve and Store DB BLOB data.
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*/
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private function _blob($data,$set=FALSE) {
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try {
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return $set ? gzcompress($this->_serialize($data,$set)) : $this->_serialize(gzuncompress($data));
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// Maybe the data isnt compressed?
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} catch (Exception $e) {
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return $this->_serialize($data,$set);
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}
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}
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/**
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* Auto process some data as it comes from the database
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* @see parent::__get()
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*/
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public function __get($column) {
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if (array_key_exists($column,$this->_table_columns)) {
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// If the column is a blob, we'll decode it automatically
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if (
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$this->_table_columns[$column]['data_type'] == 'blob'
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AND ! is_null($this->_object[$column])
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AND ! isset($this->_changed[$column])
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AND (! isset($this->_table_columns[$column]['auto_convert']) OR ! $this->_table_columns[$column]['auto_convert'])
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) {
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// In case our blob hasnt been saved as one.
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try {
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$this->_object[$column] = $this->_blob($this->_object[$column]);
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}
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catch(Exception $e) {
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HTTP_Exception::factory(501,Kohana_Exception::text($e));
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}
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$this->_table_columns[$column]['auto_convert'] = TRUE;
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}
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// If the column is a serialized object, we'll unserialize it.
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if (
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in_array($column,$this->_serialize_column)
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AND is_string($this->_object[$column])
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AND ! is_null($this->_object[$column])
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AND ! isset($this->_changed[$column])
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AND (! isset($this->_table_columns[$column]['unserialized']) OR ! $this->_table_columns[$column]['unserialized'])
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) {
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// In case our object hasnt been saved as serialized.
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try {
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$this->_object[$column] = unserialize($this->_object[$column]);
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}
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catch(Exception $e) {
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HTTP_Exception::factory(501,Kohana_Exception::text($e));
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}
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$this->_table_columns[$column]['unserialized'] = TRUE;
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}
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}
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return parent::__get($column);
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}
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/**
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* Intercept our object load, so that we can load our subitems
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*/
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protected function _load_values(array $values) {
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parent::_load_values($values);
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$sort = FALSE;
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if ($this->_loaded AND $this->_sub_items_load AND count($this->_sub_items_load) == 1)
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foreach ($this->_sub_items_load as $item => $sort)
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$this->_sub_items = $this->$item->find_all()->as_array();
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if ($sort) {
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Sort::MAsort($this->_sub_items,$sort);
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$this->_sub_items_sorted = TRUE;
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}
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return $this;
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}
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/**
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* If a column is marked to be nullified if it is empty, this is where it is done.
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*/
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private function _nullifempty(array $array) {
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foreach ($array as $k=>$v) {
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if (is_array($v)) {
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if (is_null($x=$this->_nullifempty($v)))
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unset($array[$k]);
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else
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$array[$k] = $x;
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} elseif (! $v AND $v !== 0 AND $v !== '0')
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unset($array[$k]);
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}
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return count($array) ? $array : NULL;
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}
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/**
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* Try and (un)serialize our data, and if it fails, just return it.
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*/
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private function _serialize($data,$set=FALSE) {
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try {
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return $set ? serialize($data) : unserialize($data);
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// Maybe the data serialized?
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} catch (Exception $e) {
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return $data;
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}
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}
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public function config($key) {
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$mc = Config::instance()->module_config($this->_object_name);
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return empty($mc[$key]) ? '' : $mc[$key];
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}
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public function dump() {
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$result = array();
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$result['this'] = $this->object();
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foreach ($this->_sub_items as $o)
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$result['sub'][] = $o->dump();
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return $result;
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}
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/**
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* Get Next record id
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*
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* @param array Validate object
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* @param string Primary Key
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*/
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final public static function get_next_id($model,$field) {
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if (! is_null($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();
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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;
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}
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public function keyget($column,$key=NULL) {
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if (is_null($key) OR ! is_array($this->$column))
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return $this->$column;
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else
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return array_key_exists($key,$this->$column) ? $this->{$column}[$key] : NULL;
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}
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final public function mid() {
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return ORM::factory('Module',array('name'=>$this->_table_name));
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}
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public function save(Validation $validation=NULL) {
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// Find any fields that have changed, and process them.
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if ($this->_changed)
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foreach ($this->_changed as $c) {
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// Any fields that are blobs, and encode them.
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if (! is_null($this->_object[$c]) AND $this->_table_columns[$c]['data_type'] == 'blob') {
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$this->_object[$c] = $this->_blob($this->_object[$c],TRUE);
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// We need to reset our auto_convert flag
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if (isset($this->_table_columns[$c]['auto_convert']))
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$this->_table_columns[$c]['auto_convert'] = FALSE;
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// Any fields that should be seriailzed, we'll do that.
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} elseif (is_array($this->_object[$c]) AND in_array($c,$this->_serialize_column)) {
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$this->_object[$c] = serialize($this->_object[$c]);
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}
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// Test if the value has still changed
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if ($this->_original_values AND $this->_object[$c] == $this->_original_values[$c])
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unset($this->_changed[$c]);
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}
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return parent::save($validation);
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}
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/**
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* Set the site ID attribute for each row update
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*/
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final public static function set_site_id($model,$field) {
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if (! is_null($model->$field))
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return TRUE;
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$model->_changed[$field] = $field;
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$model->$field = Company::instance()->site();
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return TRUE;
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}
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public function subitems() {
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return $this->_sub_items;
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}
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/**
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* Override the Kohana processing so we can null values if required.
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*/
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public function values(array $values,array $expected=NULL) {
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foreach ($values as $k=>$v) {
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// Convert to NULL
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if (in_array($k,$this->_nullifempty)) {
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if (is_array($v))
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$values[$k] = $this->_nullifempty($v);
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elseif (! $v AND $v !== 0 AND $v !== '0')
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$values[$k] = NULL;
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}
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}
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return parent::values($values,$expected);
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}
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/**
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* Function help to find records that are active
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*/
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public function list_active($active=TRUE) {
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$x=($active ? $this->_where_active() : $this);
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return $x->find_all();
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}
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public function list_count($active=TRUE) {
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$x=($active ? $this->_where_active() : $this);
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return $x->find_all()->count();
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}
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}
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?>
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