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khosb/modules/invoice/classes/Model/Invoice.php

646 lines
15 KiB
PHP

<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class provides invoice capabilities.
*
* @package Invoice
* @category Models
* @author Deon George
* @copyright (c) 2009-2013 Open Source Billing
* @license http://dev.osbill.net/license.html
*/
class Model_Invoice extends ORM implements Cartable {
protected $_belongs_to = array(
'account'=>array()
);
protected $_has_many = array(
'invoice_item'=>array('far_key'=>'id'),
'invoice_item_tax'=>array('through'=>'invoice_item'),
'invoice_memo'=>array('far_key'=>'id'),
'service'=>array('through'=>'invoice_item'),
'payment'=>array('through'=>'payment_item'),
'payment_item'=>array('far_key'=>'id'),
);
protected $_sorting = array(
'id'=>'DESC',
);
protected $_display_filters = array(
'date_orig'=>array(
array('Site::Date',array(':value')),
),
'due_date'=>array(
array('Site::Date',array(':value')),
),
'status'=>array(
array('StaticList_YesNo::get',array(':value',TRUE)),
),
'void'=>array(
array('StaticList_YesNo::get',array(':value',TRUE)),
),
);
// Items belonging to an invoice
protected $_sub_items_load = array(
'invoice_item'=>array('service_id','product_id','item_type','date_start','date_stop'),
);
protected $_compress_column = array(
'reminders',
);
private $_render = array();
/** REQUIRED ABSTRACT METHODS **/
/** REQUIRED INTERFACE METHODS **/
public function cart_item() {
return new Cart_Item(1,sprintf('Invoice: %s',$this->refnum()),$this->due());
}
/**
* Return if this invoice is already in the cart
*/
public function cart_exists() {
return count(Cart::instance()->get($this->mid(),$this->id));
}
/** LOCAL METHODS **/
/**
* Add items to the invoice while building it
*/
public function add_sub_item(Model_Invoice_Item $iio,$taxed=FALSE) {
$iio->add_sub_item($this->account->country,$taxed);
$this->subitem_add($iio);
}
/**
* Return a list of valid checkout options for this invoice
*/
public function checkout() {
$due = $this->due();
return ORM::factory('Checkout')
->where_active()
->where('amount_min','<=',$due)
->where_open()
->and_where('amount_max','>=',$due)
->or_where('amount_max','is',null)
->where_close()->find_all();
}
/**
* Display the amount due
*/
public function due($format=FALSE) {
// If the invoice is active calculate the due amount
$result = $this->status ? Currency::round($this->total()-$this->payments_total(),1) : 0;
return $format ? Currency::display($result) : $result;
}
public function email() {
return ORM::factory('Email_Log')
->where('module_id','=',$this->mid())
->where('module_data','=',$this);
}
/**
* Return an array of items to render, in appropriate order
*/
public function items_render() {
$result = $track = array();
// If the invoice hasnt been saved, then we'll need to assign some fake IDs to the items
$c = 0;
if (! $this->_loaded)
foreach ($this->_sub_items as $iio)
$iio->id = '****:'.$c++;
// First work through our recurring schedule items
$result['s'] = array();
foreach ($this->recur_schedules() as $rs)
foreach ($this->recur_schedule_services($rs) as $sid)
foreach ($this->service_products($sid) as $pid) {
// Get all the services with this recur schedule first, then get service charges with rs=NULL
foreach ($this->_sub_items as $iio) {
// If this is not the recur schedule or service we are working with, skip it
if ($iio->service_id != $sid OR $iio->product_id != $pid OR $iio->recurring_schedule != $rs OR in_array($iio->id,$track))
continue;
// Ensure we dont process this item again
array_push($track,$iio->id);
if (! $iio->void)
array_push($result['s'],$iio);
}
// Get all the items for this service with a NULL rs
foreach ($this->_sub_items as $iio) {
// If this is not the recur schedule or service we are working with, skip it
if ($iio->service_id != $sid OR $iio->product_id != $pid OR ! is_null($iio->recurring_schedule) OR in_array($iio->id,$track))
continue;
// Ensure we dont process this item again
array_push($track,$iio->id);
if (! $iio->void)
array_push($result['s'],$iio);
}
}
// Get service items that dont have a recurring schedule
foreach ($this->_sub_items as $iio)
if (! $iio->void AND ! in_array($iio->id,$track) AND $iio->service_id) {
// Ensure we dont process this item again
array_push($track,$iio->id);
array_push($result['s'],$iio);
}
// Next get the items we havent already got
$result['other'] = array();
foreach ($this->_sub_items as $iio)
if (! $iio->void AND ! in_array($iio->id,$track))
array_push($result['other'],$iio);
// Debug
#foreach ($result['s'] as $iio)
# echo Debug::vars(array('s'=>$iio->object()));
#foreach ($result['other'] as $iio)
# echo Debug::vars(array('o'=>$iio->object()));
return $result;
}
/**
* Return a summary of all itemss on an invoice
*/
public function items_summary() {
$result = array();
$lo = $this->account->language;
$track['p'] = $track = array();
foreach ($this->items_render() as $key => $items) {
switch ($key) {
case 's':
$last = '';
foreach ($items as $iio) {
if ($iio->product) {
$p = $iio->title($lo);
}
if (! isset($result[$p])) {
$result[$p]['quantity'] = 0;
$result[$p]['subtotal'] = 0;
}
$result[$p]['quantity']++;
$result[$p]['subtotal'] += $iio->subtotal();
}
break;
case 'other':
break;
}
}
ksort($result);
return $result;
}
public function payments() {
return $this->payment_item->find_all();
}
public function payments_total($format=FALSE) {
$result = 0;
foreach ($this->payments() as $po)
$result += $po->alloc_amt;
return $format ? Currency::display($result) : $result;
}
/**
* For a particular recurring schedule, get al lthe services
*/
private function recur_schedule_services($rs) {
$result = array();
if (! $rs)
return $result;
foreach ($this->_sub_items as $o)
if ($o->service_id AND $o->recurring_schedule == $rs AND ! in_array($o->service_id,$result))
array_push($result,$o->service_id);
return $result;
}
/**
* Get the recurring schedules on an invoice
* Exclude any NULL recurring schedules
*/
private function recur_schedules() {
$result = array();
foreach ($this->_sub_items as $o)
if (! is_null($o->recurring_schedule) AND ! in_array($o->recurring_schedule,$result))
array_push($result,$o->recurring_schedule);
sort($result);
return $result;
}
/**
* Display the Invoice Reference Number
*/
public function refnum($short=FALSE) {
return ($short ? '' : $this->account->refnum(FALSE).'-').sprintf('%06s',$this->id);
}
/**
* Check the reminder value
*/
public function remind($key) {
if (isset($this->reminders[$key])) {
$x = $this->reminders[$key];
return is_array($x) ? end($x) : $x;
} else
return FALSE;
}
/**
* Returns the array of Email Template Objects
*/
public function reminders($key=NULL,$format=FALSE) {
if (is_null($key) AND ! $this->reminders)
return array();
$prefix = 'task_invoice_';
if (is_null($key)) {
$result = array();
foreach ($this->reminders as $k=>$v)
array_push($result,ORM::factory('Email_Template',array('name'=>$prefix.$k)));
return $result;
} else {
$key = preg_replace("/^$prefix/",'',$key);
return isset($this->reminders[$key]) ? ($format ? Config::date($this->reminders[$key]) : $this->reminders[$key]) : NULL;
}
}
public function save(Validation $validation = NULL) {
// Our items will be clobbered once we save the object, so we need to save it here.
$subitems = $this->subitems();
// If this is a new invoice, we'll need to do more work
$new = ! $this->loaded();
// Save the invoice
parent::save($validation);
// Need to save the associated items and their taxes
if ($this->loaded()) {
foreach ($subitems as $iio) {
$iio->invoice_id = $this->id;
if (! $iio->changed())
continue;
$iio->save();
if (! $iio->saved()) {
$this->void = 1;
$this->save();
break;
}
// If this is a new invoice, we'll need to update some other items
if ($new) {
// Update next invoice date
if ($iio->item_type == 0) {
$iio->service->date_next_invoice = $iio->date_stop+86400;
// @todo Mark invoice as cancelled and write a memo, then...
if (! $iio->service->save())
throw new Kohana_Exception('Problem saving service :service for invoice_item :invoice_item - Failed save()',array(':invoice_item'=>$iio->id,':service'=>$iio->service_id));
}
// Update charge iteme
if (($x=$iio->module()) AND ($x instanceof Model_Charge)) {
$x->processed = 1;
// @todo Mark invoice as cancelled and write a memo, then...
if (! $x->save())
throw new Kohana_Exception('Problem saving charge :charge for invoice_item :invoice_item - Failed save()',array(':invoice_item'=>$iio->id,':charge'=>$x->id));
}
}
// @todo Need to save discount information
}
} else
throw new Kohana_Exception('Couldnt save invoice for some reason?');
return $this;
}
/**
* For a particular service, get all the products
*/
private function service_products($sid) {
$result = array();
foreach ($this->_sub_items as $o)
if ($o->product_id AND $o->service_id == $sid AND ! in_array($o->product_id,$result))
array_push($result,$o->product_id);
return $result;
}
public function service_products_total($sid,$pid,$format=FALSE) {
$result = 0;
foreach ($this->_sub_items as $o)
if ($o->service_id == $sid AND $o->product_id == $pid)
$result += $o->total();
return $format ? Currency::display($result) : $result;
}
public function set_remind($key,$value,$add=FALSE) {
$x = $this->reminders;
// If our value is null, we'll remove it.
if (is_null($value) AND isset($x[$key]))
unset($x[$key]);
elseif ($add) {
if (! is_array($a=$x[$key]))
$x[$key] = array($a);
$x[$key][] = $value;
} else
$x[$key] = $value;
$this->reminders = $x;
$this->save();
return $this->saved();
}
/**
* Return a list of invoice items for this invoice.
* @param type [CHARGE|CREDIT|ALL]
* @see invoice_items
*/
public function subitems($type='ALL') {
$result = array();
foreach ($this->_sub_items as $iio) {
// Ignore voided items
if ($iio->void)
continue;
$return = FALSE;
switch ($type) {
case 'CHARGE':
if ($iio->quantity > 0)
$return = TRUE;
break;
case 'CREDIT':
if ($iio->quantity < 0)
$return = TRUE;
break;
case 'ALL':
default:
$return = TRUE;
break;
}
if ($return)
array_push($result,$iio);
}
return $result;
}
/**
* Return the subtotal of all items
*/
public function subtotal($format=FALSE) {
$result = 0;
foreach ($this->subitems() as $ito)
$result += $ito->subtotal();
return $format ? Currency::display($result) : $result;
}
public function tax($format=FALSE) {
$result = 0;
foreach ($this->subitems() as $ito)
$result += $ito->tax();
return $format ? Currency::display($result) : $result;
}
/**
* Return a list of taxes used on this invoice
* @todo Move some of this to invoice_item_tax.
*/
public function tax_summary() {
$summary = array();
foreach ($this->subitems() as $iio) {
foreach ($iio->tax->find_all() as $iito) {
if (! isset($summary[$iito->tax_id]))
$summary[$iito->tax_id] = $iito->amount;
else
$summary[$iito->tax_id] += $iito->amount;
}
}
// @todo This should be removed eventually
if (! $summary)
$summary[1] = $this->tax();
return $summary;
}
/**
* Return the total of all items
*/
public function total($format=FALSE) {
$result = 0;
// This will include charges and credits
foreach ($this->subitems() as $ito)
$result += $ito->total();
return $format ? Currency::display($result) : $result;
}
public function total_charges($format=FALSE) {
$result = 0;
foreach ($this->subitems('CHARGE') as $ito)
$result += $ito->subtotal()+$ito->tax();
return $format ? Currency::display($result) : $result;
}
public function total_credits($format=FALSE) {
$result = 0;
foreach ($this->subitems('CREDIT') as $ito)
$result += ($ito->subtotal()+$ito->tax())*-1;
return $format ? Currency::display($result) : $result;
}
public function total_discounts($format=FALSE) {
$result = 0;
foreach ($this->subitems() as $ito)
$result += $ito->discount();
return $format ? Currency::display($result) : $result;
}
private function _where_unprocessed() {
return $this->where_open()->where('process_status','!=',1)->or_where('process_status','is',NULL)->where_close();
}
public function where_unprocessed() {
return $this->_where_unprocessed();
}
// Our list function
/**
* Search for invoices matching a term
*/
public function list_autocomplete($term,$index,$value,array $label,array $limit=array(),array $options=array()) {
// We only show invoice numbers.
if (! is_numeric($term))
return array();
$ao = Auth::instance()->get_user();
$this->clear();
$this->where_active();
// Build our where clause
$this->where_open()
->where('id','like','%'.$term.'%')
->where_close();
// Restrict results to authorised accounts
array_push($limit,array('account_id','IN',$ao->RTM->customers($ao->RTM)));
return parent::list_autocomplete($term,$index,$value,$label,$limit,$options);
}
private function _list_due($authorised) {
static $result = array();
if ($authorised)
$this->where_authorised();
if (! $result)
foreach ($this->_where_active()->_where_unprocessed()->find_all() as $io)
if ($io->due())
array_push($result,$io);
return $result;
}
/**
* Return a list of invoices that are due, excluding overdue.
*/
public function list_due($time=NULL,$authorised=TRUE) {
$result = array();
foreach ($this->_list_due($authorised) as $io)
if (is_null($time) OR $io->due_date > $time)
array_push($result,$io);
return $result;
}
public function list_due_total($format=FALSE,$time=NULL,$authorised=TRUE) {
$result = 0;
foreach ($this->list_due($time,$authorised) as $io)
$result += $io->due();
return $format ? Currency::display($result) : $result;
}
/**
* Identify all the invoices that are due
*/
public function list_overdue($time=NULL,$authorised=TRUE) {
$result = array();
if (is_null($time))
$time = time();
foreach ($this->_list_due($authorised) as $io)
if ($io->due_date <= $time)
array_push($result,$io);
return $result;
}
/**
* Return a list of invoices that are over their due date with/without auto billing
*/
public function list_overdue_billing($time=NULL,$billing=FALSE,$authorised=TRUE) {
$result = array();
foreach ($this->list_overdue($time,$authorised) as $io) {
$i = FALSE;
foreach ($io->service->find_all() as $so)
if (($billing AND $so->account_billing_id) OR (! $billing AND ! $so->account_billing_id)) {
array_push($result,$io);
break;
}
}
return $result;
}
/**
* Return a list of invoices that need to be sent.
* @todo This should be optimised a little to return only invoices to send, instead of looking for them.
*/
public function list_tosend() {
return ORM::factory('Invoice')->where_active()->where_open()->where('print_status','is',NULL)->or_where('print_status','!=',1)->where_close();
}
}
?>