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