2013-10-10 02:44:53 +00:00
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<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class provides invoice item 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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2013-06-16 13:36:47 +00:00
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*
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* Column Definitions:
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* + item_type: 0=MAIN Service Item,2=?,3=?,4=Connection/Setup,5=Excess Service Item,6=Change Service,126=Payment Fee,127=Late Fee
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2013-10-10 02:44:53 +00:00
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*/
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2013-09-06 05:39:56 +00:00
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class Model_Invoice_Item extends ORM_OSB {
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2013-10-10 02:44:53 +00:00
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// Relationships
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protected $_belongs_to = array(
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'product'=>array(),
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'invoice'=>array(),
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'service'=>array()
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);
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protected $_has_one = array(
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'charge'=>array('far_key'=>'charge_id','foreign_key'=>'id')
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);
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protected $_has_many = array(
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'invoice_item_tax'=>array('far_key'=>'id')
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);
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protected $_display_filters = array(
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'date_orig'=>array(
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array('Config::date',array(':value')),
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),
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'date_start'=>array(
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array('Config::date',array(':value')),
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),
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'date_stop'=>array(
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array('Config::date',array(':value')),
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),
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);
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2013-09-06 05:39:56 +00:00
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// Items belonging to an invoice item
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protected $_sub_items_load = array(
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'invoice_item_tax'=>FALSE,
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);
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2013-12-05 05:22:23 +00:00
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// The total of all discounts
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public function discount() {
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return Currency::round($this->discount_amt);
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2013-09-06 05:39:56 +00:00
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}
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2013-10-10 02:44:53 +00:00
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2013-12-05 05:22:23 +00:00
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// Display the period that a transaction applies
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public function period() {
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return ($this->date_start == $this->date_stop) ? Config::date($this->date_start) : sprintf('%s -> %s',Config::date($this->date_start),Config::date($this->date_stop));
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2013-06-13 13:35:19 +00:00
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}
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2013-12-05 05:22:23 +00:00
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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 = $this->subitems();
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// Save the invoice item
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parent::save($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 $iito) {
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$iito->invoice_item_id = $this->id;
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if (! $iito->changed())
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continue;
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$iito->save();
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if (! $iito->saved()) {
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$this->void = 1;
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$this->save();
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break;
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}
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}
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} else
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throw new Kohana_Exception('Couldnt save invoice_item for some reason?');
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return $this;
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2013-10-10 02:44:53 +00:00
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}
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2013-12-05 05:22:23 +00:00
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/**
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* Add tax to our item
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*
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* @param Model_Country the country to get the tax rates
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* @param Boolean Is this price inc/ex tax
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*/
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public function subitem_add(Model_Country $co,$taxed=FALSE) {
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$orig = $this->subtotal();
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$tax = 0;
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2013-10-10 02:44:53 +00:00
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2013-12-05 05:22:23 +00:00
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foreach ($co->tax->find_all() as $to) {
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$iito = ORM::factory('Invoice_Item_Tax');
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$iito->tax_id = $to->id;
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$iito->amount = Currency::round($taxed ? ($orig-$orig/(1+$to->rate)) : $orig*$to->rate);
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$tax += $iito->amount;
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array_push($this->_sub_items,$iito);
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}
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// If taxed, we need to reduce our base_rate to a pre-tax amount
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if ($taxed) {
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$this->price_base -= Currency::round($tax/$this->quantity,1);
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// If there is any rounding, we'll take it off the last IITO
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$iito->amount += $orig-$this->total();
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}
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$this->_sub_items_sorted = FALSE;
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}
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// This total of this item before discounts and taxes
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public function subtotal($format=FALSE) {
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$result = $this->price_base*$this->quantity;
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return $format ? Currency::display($result) : Currency::round($result);
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2013-10-10 02:44:53 +00:00
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}
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// Sum up the tax that applies to this invoice item
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2013-06-13 13:35:19 +00:00
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public function tax($format=FALSE) {
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2013-10-10 02:44:53 +00:00
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$result = 0;
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2013-12-05 05:22:23 +00:00
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foreach ($this->subitems() as $iito)
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$result += $iito->amount;
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2013-10-10 02:44:53 +00:00
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2013-12-05 05:22:23 +00:00
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return $format ? Currency::display($result) : Currency::round($result);
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2013-10-10 02:44:53 +00:00
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}
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2013-05-14 13:53:04 +00:00
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public function tax_items() {
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$result = array();
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2013-12-05 05:22:23 +00:00
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foreach ($this->subitems() as $iito) {
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2013-05-14 13:53:04 +00:00
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if (! isset($result[$iit->tax_id]))
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$result[$iit->tax_id] = 0;
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2013-12-05 05:22:23 +00:00
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$result[$iito->tax_id] += $iito->amount;
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2013-05-14 13:53:04 +00:00
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}
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return $result;
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}
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2013-12-05 05:22:23 +00:00
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/**
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* The title for invoice items
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*/
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public function title() {
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if ($this->product_id AND $this->service_id)
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return $this->product_id ? sprintf('%s: %s',$this->product->title(),$this->service->name()) : $this->service->name;
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else
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return 'Unknown Item';
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2013-10-10 02:44:53 +00:00
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}
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2013-12-05 05:22:23 +00:00
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public function total($format=FALSE) {
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$result = $this->void ? 0 : $this->subtotal()+$this->tax()-$this->discount();
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return $format ? Currency::display($result) : Currency::round($result);
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2013-10-10 02:44:53 +00:00
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}
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2013-12-05 05:22:23 +00:00
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// Display a transaction number
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public function trannum() {
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return sprintf('%03s-%06s',$this->item_type,$this->id);
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}
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2013-06-13 13:35:19 +00:00
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2013-12-05 05:22:23 +00:00
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public function invoice_line() {
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if ($this->charge_id)
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return $this->charge->description.' '.$this->period();
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elseif ($this->service_id)
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return 'Service '.$this->period();
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else
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throw HTTP_Exception::factory(501,'Unable to render invoice item :id',array(':id'=>$this->id));
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2013-10-10 02:44:53 +00:00
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}
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/**
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* Name for an invoice item
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2013-12-05 05:22:23 +00:00
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* @deprecated, use StaticList_ItemType()
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2013-10-10 02:44:53 +00:00
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*/
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public function name() {
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switch ($this->item_type) {
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case 0: return _('Service');
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case 1: return _('Item');
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case 2:
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case 3:
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case 4:
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case 6:
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case 126:
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case 127: return _('Charge');
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case 5: return $this->charge->description;
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default: return _('Other');
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}
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}
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/**
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* Detail behind an invoice item
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*/
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public function detail() {
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switch ($this->item_type) {
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case 0: return '';
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case 1: return _('Hardware');
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case 2: return _('Service Relocation Fee');
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case 3: return _('Service Change Fee');
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case 4: return _('Service Connection Fee');
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case 5: return sprintf('%s@%3.2f',$this->quantity,$this->price_base);
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case 6: return _('Service Excess Fee');
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case 125: return _('Payment Fee');
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case 126: return _('Rounding');
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case 127: return _('Late Payment Fee');
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default: '';
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}
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}
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public function invoice_detail_items() {
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switch ($this->item_type) {
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case 0:
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return $this->service->details('invoice_detail_items');
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case 4:
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return array('Charge'=>_('Service Connection Fee'));
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case 5:
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return $this->charge->details('invoice_detail_items');
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default:
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return array('Item'=>$this->item_type);
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}
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}
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}
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?>
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