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Working on tax calculations for inclusive taxes

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This commit is contained in:
David Bomba 2023-07-31 11:28:30 +10:00
parent 924a45db7c
commit cbbac0b18c
1 changed files with 140 additions and 0 deletions
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140
app/Helpers/Invoice/InvoiceItemSumInclusive.php
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@ -12,11 +12,13 @@
namespace App\Helpers\Invoice;
use App\Models\Quote;
use App\Models\Client;
use App\Models\Credit;
use App\Models\Invoice;
use App\Models\PurchaseOrder;
use App\Models\RecurringQuote;
use App\Models\RecurringInvoice;
use App\DataMapper\Tax\RuleInterface;
use App\Utils\Traits\NumberFormatter;
class InvoiceItemSumInclusive
@ -25,6 +27,71 @@ class InvoiceItemSumInclusive
use Discounter;
use Taxer;
private array $eu_tax_jurisdictions = [
'AT', // Austria
'BE', // Belgium
'BG', // Bulgaria
'CY', // Cyprus
'CZ', // Czech Republic
'DE', // Germany
'DK', // Denmark
'EE', // Estonia
'ES', // Spain
'FI', // Finland
'FR', // France
'GR', // Greece
'HR', // Croatia
'HU', // Hungary
'IE', // Ireland
'IT', // Italy
'LT', // Lithuania
'LU', // Luxembourg
'LV', // Latvia
'MT', // Malta
'NL', // Netherlands
'PL', // Poland
'PT', // Portugal
'RO', // Romania
'SE', // Sweden
'SI', // Slovenia
'SK', // Slovakia
];
private array $tax_jurisdictions = [
'AT', // Austria
'BE', // Belgium
'BG', // Bulgaria
'CY', // Cyprus
'CZ', // Czech Republic
'DE', // Germany
'DK', // Denmark
'EE', // Estonia
'ES', // Spain
'FI', // Finland
'FR', // France
'GR', // Greece
'HR', // Croatia
'HU', // Hungary
'IE', // Ireland
'IT', // Italy
'LT', // Lithuania
'LU', // Luxembourg
'LV', // Latvia
'MT', // Malta
'NL', // Netherlands
'PL', // Poland
'PT', // Portugal
'RO', // Romania
'SE', // Sweden
'SI', // Slovenia
'SK', // Slovakia
'US', // USA
'AU', // Australia
];
protected RecurringInvoice | Invoice | Quote | Credit | PurchaseOrder | RecurringQuote $invoice;
private $currency;
@ -39,6 +106,12 @@ class InvoiceItemSumInclusive
private $tax_collection;
private bool $calc_tax = false;
private ?Client $client;
private RuleInterface $rule;
public function __construct(RecurringInvoice | Invoice | Quote | Credit | PurchaseOrder | RecurringQuote $invoice)
{
$this->tax_collection = collect([]);
@ -47,6 +120,7 @@ class InvoiceItemSumInclusive
if ($this->invoice->client) {
$this->currency = $this->invoice->client->currency();
$this->shouldCalculateTax();
} else {
$this->currency = $this->invoice->vendor->currency();
}
@ -107,12 +181,46 @@ class InvoiceItemSumInclusive
return $this;
}
/**
* Attempts to calculate taxes based on the clients location
*
* @return self
*/
private function calcTaxesAutomatically(): self
{
$this->rule->tax($this->item);
$precision = strlen(substr(strrchr($this->rule->tax_rate1, "."), 1));
$this->item->tax_name1 = $this->rule->tax_name1;
$this->item->tax_rate1 = round($this->rule->tax_rate1, $precision);
$precision = strlen(substr(strrchr($this->rule->tax_rate2, "."), 1));
$this->item->tax_name2 = $this->rule->tax_name2;
$this->item->tax_rate2 = round($this->rule->tax_rate2, $precision);
$precision = strlen(substr(strrchr($this->rule->tax_rate3, "."), 1));
$this->item->tax_name3 = $this->rule->tax_name3;
$this->item->tax_rate3 = round($this->rule->tax_rate3, $precision);
return $this;
}
/**
* Taxes effect the line totals and item costs. we decrement both on
* application of inclusive tax rates.
*/
private function calcTaxes()
{
if ($this->calc_tax) {
$this->calcTaxesAutomatically();
}
$item_tax = 0;
$amount = $this->item->line_total - ($this->item->line_total * ($this->invoice->discount / 100));
@ -275,4 +383,36 @@ class InvoiceItemSumInclusive
$this->setTotalTaxes($item_tax);
}
private function shouldCalculateTax(): self
{
if (!$this->invoice->company?->calculate_taxes || $this->invoice->company->account->isFreeHostedClient()) {
$this->calc_tax = false;
return $this;
}
if (in_array($this->client->company->country()->iso_3166_2, $this->tax_jurisdictions) ) { //only calculate for supported tax jurisdictions
$class = "App\DataMapper\Tax\\".$this->client->company->country()->iso_3166_2."\\Rule";
$this->rule = new $class();
if($this->rule->regionWithNoTaxCoverage($this->client->country->iso_3166_2))
return $this;
$this->rule
->setEntity($this->invoice)
->init();
$this->calc_tax = $this->rule->shouldCalcTax();
return $this;
}
return $this;
}
}