268 lines
6.6 KiB
PHP
268 lines
6.6 KiB
PHP
<?php defined('SYSPATH') or die('No direct access allowed.');
|
|
|
|
/**
|
|
* This class provides invoice capabilities.
|
|
*
|
|
* @package OSB
|
|
* @subpackage Invoice
|
|
* @category Models
|
|
* @author Deon George
|
|
* @copyright (c) 2010 Open Source Billing
|
|
* @license http://dev.osbill.net/license.html
|
|
*/
|
|
class Model_Invoice extends ORMOSB {
|
|
private $invoice_items = array();
|
|
|
|
protected $_belongs_to = array(
|
|
'account'=>array()
|
|
);
|
|
protected $_has_many = array(
|
|
'invoice_item'=>array(),
|
|
'invoice_item_tax'=>array(),
|
|
'service'=>array('through'=>'invoice_item'),
|
|
'payment'=>array('through'=>'payment_item'),
|
|
);
|
|
|
|
/**
|
|
* @var array Filters to render values properly
|
|
*/
|
|
protected $_filters = array(
|
|
// @todo This rounding should be a global configuration
|
|
'total_amt'=>array('round'=>array('2')),
|
|
);
|
|
|
|
protected $_callbacks = array(
|
|
'id'=>array('get_next_id'),
|
|
'total_amt'=>array('calc_total'),
|
|
'tax_amt'=>array('calc_tax'),
|
|
);
|
|
|
|
protected $_formats = array(
|
|
'date_orig'=>array('Config::date'=>array()),
|
|
'due_date'=>array('Config::date'=>array()),
|
|
'billed_amt'=>array('Currency::display'=>array()),
|
|
'credit_amt'=>array('Currency::display'=>array()),
|
|
'status'=>array('StaticList_YesNo::display'=>array()),
|
|
'total_amt'=>array('Currency::display'=>array()),
|
|
);
|
|
|
|
/**
|
|
* Display the Invoice Number
|
|
*/
|
|
public function invnum() {
|
|
return sprintf('%06s',$this->id);
|
|
}
|
|
|
|
/**
|
|
* Display the Invoice Reference Number
|
|
*/
|
|
public function refnum() {
|
|
return sprintf('%02s-%04s-%06s',Config::siteid(),$this->account_id,$this->id);
|
|
}
|
|
|
|
/**
|
|
* Display the amount due
|
|
*/
|
|
public function due($format=FALSE) {
|
|
$result = 0;
|
|
// If the invoice is active calculate the due amount
|
|
if ($this->status)
|
|
$result = $this->total_amt-$this->credit_amt-$this->billed_amt;
|
|
|
|
if ($format)
|
|
return Currency::display($result);
|
|
else
|
|
return $result;
|
|
}
|
|
|
|
public function subtotal($format=FALSE) {
|
|
$result = 0;
|
|
|
|
foreach ($this->items() as $item)
|
|
$result += $item->subtotal();
|
|
|
|
if ($format)
|
|
return Currency::display($result);
|
|
else
|
|
return $result;
|
|
}
|
|
|
|
public function total($format=FALSE) {
|
|
$result = 0;
|
|
|
|
foreach ($this->items() as $item)
|
|
$result += $item->total();
|
|
|
|
// Reduce any credits
|
|
$result -= $this->credit_amt;
|
|
|
|
if ($format)
|
|
return Currency::display($result);
|
|
else
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Return a list of invoice items for this invoice.
|
|
*/
|
|
public function items() {
|
|
// Get our invoice items for an existing invoice
|
|
if ($this->id AND $this->loaded() AND ! $this->_changed)
|
|
return $this->invoice_item->order_by('service_id,item_type,module_id')->find_all();
|
|
|
|
echo kohana::debug(array('BEFORE'=>$this->invoice_item));
|
|
if (! $this->invoice_items)
|
|
$this->invoice_items = $this->invoice_item;
|
|
|
|
echo kohana::debug(array('AFTER'=>$this->invoice_items));die();
|
|
return $this->invoice_items;
|
|
}
|
|
|
|
/**
|
|
* Return a list of our main invoice items (item_id=0)
|
|
*/
|
|
public function items_main() {
|
|
if ($this->id AND $this->loaded() AND ! $this->_changed)
|
|
return $this->invoice_item->where('item_type','=',0)->find_all();
|
|
}
|
|
|
|
/**
|
|
* Return a list of our sub invoice items (item_id!=0)
|
|
*/
|
|
public function items_sub($sid) {
|
|
if ($this->id AND $this->loaded() AND ! $this->_changed)
|
|
return $this->invoice_item->where('service_id','=',$sid)->and_where('item_type','<>',0)->find_all();
|
|
}
|
|
|
|
/**
|
|
* Calculate the total for items for a service
|
|
*/
|
|
public function items_service_total($sid) {
|
|
$total = 0;
|
|
|
|
foreach ($this->invoice_item->where('service_id','=',$sid)->find_all() as $item)
|
|
$total += $item->total();
|
|
|
|
return $total;
|
|
}
|
|
|
|
/**
|
|
* Calculate the tax of items for a service
|
|
*/
|
|
public function items_service_tax($sid) {
|
|
$total = 0;
|
|
|
|
foreach ($this->invoice_item->where('service_id','=',$sid)->find_all() as $item)
|
|
$total += $item->tax_amt;
|
|
|
|
return $total;
|
|
}
|
|
|
|
/**
|
|
* Return a list of items based on a sort criteria
|
|
*/
|
|
public function sorted_service_items($index) {
|
|
$summary = array();
|
|
|
|
foreach ($this->items() as $item) {
|
|
$key = $item->service->$index;
|
|
|
|
if (! isset($summary[$key]['items'])) {
|
|
$summary[$key]['items'] = array();
|
|
$summary[$key]['total'] = 0;
|
|
}
|
|
|
|
// Only record items with item_type=0
|
|
if ($item->item_type == 0)
|
|
array_push($summary[$key]['items'],$item);
|
|
|
|
$summary[$key]['total'] += $item->total();
|
|
}
|
|
|
|
return $summary;
|
|
}
|
|
|
|
/**
|
|
* Return a list of taxes used on this invoice
|
|
*/
|
|
public function tax_summary() {
|
|
$summary = array();
|
|
|
|
foreach ($this->items() as $item) {
|
|
foreach ($item->invoice_item_tax->find_all() as $item_tax) {
|
|
if (! isset($summary[$item_tax->tax_id]))
|
|
$summary[$item_tax->tax_id] = $item_tax->amount;
|
|
else
|
|
$summary[$item_tax->tax_id] += $item_tax->amount;
|
|
}
|
|
}
|
|
|
|
return $summary;
|
|
}
|
|
|
|
public function add_item() {
|
|
$c = count($this->invoice_items);
|
|
|
|
$this->invoice_items[$c] = ORM::factory('invoice_item');
|
|
|
|
return $this->invoice_items[$c];
|
|
}
|
|
|
|
public function save() {
|
|
// Save the invoice
|
|
parent::save();
|
|
|
|
// Need to save the associated items and their taxes
|
|
if ($this->saved()) {
|
|
$tax_amt = 0;
|
|
$discount_amt = 0;
|
|
|
|
foreach ($this->items() as $invoice_item) {
|
|
$invoice_item->invoice_id = $this->id;
|
|
|
|
if (! $invoice_item->check()) {
|
|
// @todo Mark invoice as cancelled and write a memo, then...
|
|
throw new Kohana_Exception('Problem saving invoice_item for invoice :invoice - Failed check()',array(':invoice'=>$invoice->id));
|
|
}
|
|
|
|
$invoice_item->save();
|
|
|
|
if (! $invoice_item->saved()) {
|
|
// @todo Mark invoice as cancelled and write a memo, then...
|
|
throw new Kohana_Exception('Problem saving invoice_item for invoice :invoice - Failed save()',array(':invoice'=>$invoice->id));
|
|
}
|
|
|
|
// @todo Need to save tax information
|
|
// @todo Need to save discount information
|
|
}
|
|
|
|
} else
|
|
throw new Kohana_Exception('Couldnt save invoice for some reason?');
|
|
|
|
echo Kohana::debug(array('saved'=>$this));
|
|
}
|
|
|
|
public function calc_total(Validate $array, $field) {
|
|
$array[$field] = 0;
|
|
|
|
// @todo Rounding here should come from a global config
|
|
foreach ($this->invoice_items as $item)
|
|
$array[$field] += round($item->price_base+$item->price_setup,2);
|
|
|
|
$this->_changed[$field] = $field;
|
|
}
|
|
|
|
public function calc_tax(Validate $array, $field) {
|
|
$array[$field] = 0;
|
|
|
|
// @todo Rounding here should come from a global config
|
|
// @todo tax should be evaluated per item
|
|
// @todo tax parameters should come from user session
|
|
foreach ($this->invoice_items as $item)
|
|
$array[$field] += round(Tax::total(61,NULL,$item->price_base+$item->price_setup),2);
|
|
|
|
$this->_changed[$field] = $field;
|
|
}
|
|
}
|
|
?>
|