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