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invoiceninja/app/Helpers/Invoice/InvoiceItemSum.php
2021-09-15 10:00:29 +10:00

309 lines
8.1 KiB
PHP

<?php
/**
* Invoice Ninja (https://invoiceninja.com).
*
* @link https://github.com/invoiceninja/invoiceninja source repository
*
* @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
*
* @license https://www.elastic.co/licensing/elastic-license
*/
namespace App\Helpers\Invoice;
use App\DataMapper\BaseSettings;
use App\DataMapper\InvoiceItem;
use App\Models\Invoice;
use App\Utils\Traits\NumberFormatter;
class InvoiceItemSum
{
use NumberFormatter;
use Discounter;
use Taxer;
protected $invoice;
private $items;
private $line_total;
private $gross_line_total;
private $currency;
private $total_taxes;
private $item;
private $line_items;
private $sub_total;
private $gross_sub_total;
private $total_discount;
private $tax_collection;
public function __construct($invoice)
{
$this->tax_collection = collect([]);
$this->invoice = $invoice;
$this->currency = $this->invoice->client->currency();
$this->line_items = [];
}
public function process()
{
if (! $this->invoice->line_items || ! isset($this->invoice->line_items) || ! is_array($this->invoice->line_items) || count($this->invoice->line_items) == 0) {
$this->items = [];
return $this;
}
$this->calcLineItems();
return $this;
}
private function calcLineItems()
{
foreach ($this->invoice->line_items as $this->item) {
$this->cleanLineItem()
->sumLineItem()
->setDiscount()
->calcTaxes()
->push();
}
return $this;
}
private function push()
{
$this->sub_total += $this->getLineTotal();
$this->gross_sub_total += $this->getGrossLineTotal();
$this->line_items[] = $this->item;
return $this;
}
/* Don't round the cost x qty - will allow us to use higher precision costs */
private function sumLineItem()
{ //todo need to support quantities less than the precision amount
// $this->setLineTotal($this->formatValue($this->item->cost, $this->currency->precision) * $this->formatValue($this->item->quantity, $this->currency->precision));
$this->setLineTotal($this->item->cost * $this->item->quantity);
return $this;
}
private function setDiscount()
{
if ($this->invoice->is_amount_discount) {
$this->setLineTotal($this->getLineTotal() - $this->formatValue($this->item->discount, $this->currency->precision));
} else {
/*Test 16-08-2021*/
$discount = ($this->item->line_total * ($this->item->discount / 100));
$this->setLineTotal($this->formatValue(($this->getLineTotal() - $discount), $this->currency->precision));
/*Test 16-08-2021*/
//replaces the following
// $this->setLineTotal($this->getLineTotal() - $this->formatValue(round($this->item->line_total * ($this->item->discount / 100), 2), $this->currency->precision));
}
$this->item->is_amount_discount = $this->invoice->is_amount_discount;
return $this;
}
private function calcTaxes()
{
$item_tax = 0;
$amount = $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / 100));
$item_tax_rate1_total = $this->calcAmountLineTax($this->item->tax_rate1, $amount);
$item_tax += $item_tax_rate1_total;
if($item_tax_rate1_total != 0)
$this->groupTax($this->item->tax_name1, $this->item->tax_rate1, $item_tax_rate1_total);
$item_tax_rate2_total = $this->calcAmountLineTax($this->item->tax_rate2, $amount);
$item_tax += $item_tax_rate2_total;
if($item_tax_rate2_total != 0)
$this->groupTax($this->item->tax_name2, $this->item->tax_rate2, $item_tax_rate2_total);
$item_tax_rate3_total = $this->calcAmountLineTax($this->item->tax_rate3, $amount);
$item_tax += $item_tax_rate3_total;
if($item_tax_rate3_total != 0)
$this->groupTax($this->item->tax_name3, $this->item->tax_rate3, $item_tax_rate3_total);
$this->setTotalTaxes($this->formatValue($item_tax, $this->currency->precision));
$this->item->gross_line_total = $this->getLineTotal() + $item_tax;
return $this;
}
private function groupTax($tax_name, $tax_rate, $tax_total)
{
$group_tax = [];
$key = str_replace(' ', '', $tax_name.$tax_rate);
$group_tax = ['key' => $key, 'total' => $tax_total, 'tax_name' => $tax_name.' '.floatval($tax_rate).'%'];
$this->tax_collection->push(collect($group_tax));
}
public function getTotalTaxes()
{
return $this->total_taxes;
}
public function setTotalTaxes($total)
{
$this->total_taxes = $total;
return $this;
}
public function setLineTotal($total)
{
$this->item->line_total = $total;
return $this;
}
public function getLineTotal()
{
return $this->item->line_total;
}
public function getGrossLineTotal()
{
return $this->item->gross_line_total;
}
public function getLineItems()
{
return $this->line_items;
}
public function getGroupedTaxes()
{
return $this->tax_collection;
}
public function setGroupedTaxes($group_taxes)
{
$this->tax_collection = $group_taxes;
return $this;
}
public function getSubTotal()
{
return $this->sub_total;
}
public function getGrossSubTotal()
{
return $this->gross_sub_total;
}
public function setSubTotal($value)
{
$this->sub_total = $value;
return $this;
}
/**
* Invoice Amount Discount.
*
* The problem, when calculating invoice level discounts,
* the tax collected changes.
*
* We need to synthetically reduce the line_total amounts
* and recalculate the taxes and then pass back
* the updated map
*/
public function calcTaxesWithAmountDiscount()
{
$this->setGroupedTaxes(collect([]));
$item_tax = 0;
foreach ($this->line_items as $this->item) {
if ($this->item->line_total == 0) {
continue;
}
//$amount = $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / $this->sub_total));
$amount = ($this->sub_total > 0) ? $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / $this->sub_total)) : 0;
$item_tax_rate1_total = $this->calcAmountLineTax($this->item->tax_rate1, $amount);
$item_tax += $item_tax_rate1_total;
if ($item_tax_rate1_total != 0) {
$this->groupTax($this->item->tax_name1, $this->item->tax_rate1, $item_tax_rate1_total);
}
$item_tax_rate2_total = $this->calcAmountLineTax($this->item->tax_rate2, $amount);
$item_tax += $item_tax_rate2_total;
if ($item_tax_rate2_total != 0) {
$this->groupTax($this->item->tax_name2, $this->item->tax_rate2, $item_tax_rate2_total);
}
$item_tax_rate3_total = $this->calcAmountLineTax($this->item->tax_rate3, $amount);
$item_tax += $item_tax_rate3_total;
if ($item_tax_rate3_total != 0) {
$this->groupTax($this->item->tax_name3, $this->item->tax_rate3, $item_tax_rate3_total);
}
}
$this->setTotalTaxes($item_tax);
}
/**
* Sets default casts for the values in the line_items.
*
* @return $this
*/
private function cleanLineItem()
{
$invoice_item = (object) get_class_vars(InvoiceItem::class);
unset($invoice_item->casts);
foreach ($invoice_item as $key => $value) {
if (! property_exists($this->item, $key) || ! isset($this->item->{$key})) {
$this->item->{$key} = $value;
$this->item->{$key} = BaseSettings::castAttribute(InvoiceItem::$casts[$key], $value);
}
}
return $this;
}
}