oms-Billing/Models/BillElement.php
2024-03-20 07:21:20 +00:00

481 lines
15 KiB
PHP
Executable File

<?php
/**
* Jingga
*
* PHP Version 8.2
*
* @package Modules\Billing\Models
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace Modules\Billing\Models;
use Modules\Billing\Models\Tax\TaxCombination;
use Modules\Finance\Models\TaxCode;
use Modules\ItemManagement\Models\Container;
use Modules\ItemManagement\Models\Item;
use Modules\ItemManagement\Models\NullItem;
use phpOMS\Localization\ISO4217DecimalEnum;
use phpOMS\Stdlib\Base\FloatInt;
use phpOMS\Stdlib\Base\SmartDateTime;
/**
* Bill class.
*
* @package Modules\Billing\Models
* @license OMS License 2.0
* @link https://jingga.app
* @since 1.0.0
*/
class BillElement implements \JsonSerializable
{
/**
* ID.
*
* @var int
* @since 1.0.0
*/
public int $id = 0;
public int $order = 0;
public ?Item $item = null;
public ?Container $container = null;
public string $itemNumber = '';
public string $itemName = '';
public string $itemDescription = '';
/**
* Line quantity
*
* Careful this also includes the bonus items defined in $discountQ!
*
* @var FloatInt
* @since 1.0.0
*/
public FloatInt $quantity;
public ?Subscription $subscription = null;
/**
* Single unit price
*
* Careful this is NOT corrected by bonus items defined in $discountQ
*
* @var FloatInt
* @since 1.0.0
*/
public FloatInt $singleSalesPriceNet;
public FloatInt $effectiveSingleSalesPriceNet;
public FloatInt $singleSalesPriceGross;
public FloatInt $totalSalesPriceNet;
public FloatInt $totalSalesPriceGross;
public FloatInt $singleDiscountP;
public FloatInt $totalDiscountP;
public FloatInt $singleDiscountR;
public FloatInt $discountQ;
public FloatInt $singleListPriceNet;
public FloatInt $singleListPriceGross;
public FloatInt $totalListPriceNet;
public FloatInt $totalListPriceGross;
public FloatInt $singlePurchasePriceNet;
public FloatInt $totalPurchasePriceNet;
public FloatInt $singleProfitNet;
public FloatInt $totalProfitNet;
public ?int $itemSegment = null;
public ?int $itemSection = null;
public ?int $itemSalesGroup = null;
public ?int $itemProductGroup = null;
public ?int $itemType = null;
public string $fiAccount = '';
public ?string $costcenter = null;
public ?string $costobject = null;
public ?TaxCombination $taxCombination = null;
/**
* Tax amount
*
* @var FloatInt
* @since 1.0.0
*/
public FloatInt $taxP;
/**
* Tax percentage
*
* @var FloatInt
* @since 1.0.0
*/
public FloatInt $taxR;
public string $taxCode = '';
/**
* Event assigned to this element.
*
* @var int
* @since 1.0.0
*/
public int $event = 0;
/**
* Promotion assigned to this element.
*
* @var int
* @since 1.0.0
*/
public int $promotion = 0;
public Bill $bill;
// Distribution of lots/sn and from which stock location
public array $identifiers = [];
/**
* Constructor.
*
* @since 1.0.0
*/
public function __construct()
{
$this->bill = new NullBill();
$this->quantity = new FloatInt(FloatInt::DIVISOR);
$this->singleListPriceNet = new FloatInt();
$this->singleListPriceGross = new FloatInt();
$this->totalListPriceNet = new FloatInt();
$this->totalListPriceGross = new FloatInt();
$this->singleSalesPriceNet = new FloatInt();
$this->singleSalesPriceGross = new FloatInt();
$this->effectiveSingleSalesPriceNet = new FloatInt();
$this->totalSalesPriceNet = new FloatInt();
$this->totalSalesPriceGross = new FloatInt();
$this->singlePurchasePriceNet = new FloatInt();
$this->totalPurchasePriceNet = new FloatInt();
$this->singleProfitNet = new FloatInt();
$this->totalProfitNet = new FloatInt();
$this->singleDiscountP = new FloatInt();
$this->totalDiscountP = new FloatInt();
$this->singleDiscountR = new FloatInt();
$this->discountQ = new FloatInt();
$this->taxP = new FloatInt();
$this->taxR = new FloatInt();
}
/**
* Set the element quantity.
*
* @param int $quantity Quantity
*
* @return void
*
* @since 1.0.0
*/
public function setQuantity(int $quantity) : void
{
if ($this->quantity->value === $quantity) {
return;
}
$this->quantity->value = $quantity;
$this->recalculatePrices();
}
/**
* Re-calculate prices.
*
* This function is very important to call after changing any prices/quantities
*
* @return void
*
* @since 1.0.0
*/
public function recalculatePrices() : void
{
$rd = -FloatInt::MAX_DECIMALS + ISO4217DecimalEnum::getByName('_' . $this->bill->currency);
$this->totalListPriceNet->value = (int) \round($this->quantity->getNormalizedValue() * $this->singleListPriceNet->value, $rd);
$this->totalSalesPriceNet->value = (int) \round(($this->quantity->getNormalizedValue() - $this->discountQ->getNormalizedValue()) * $this->singleListPriceNet->value, $rd);
// @todo Check if this is correct, this should maybe happen after applying the discounts?!
// This depends on if the single price is already discounted or not
$this->singleProfitNet->value = $this->singleSalesPriceNet->value - $this->singlePurchasePriceNet->value;
$this->totalProfitNet->value = $this->totalSalesPriceNet->value - $this->totalPurchasePriceNet->value;
$this->taxP->value = (int) \round($this->taxR->value / (FloatInt::DIVISOR * 100) * $this->totalSalesPriceNet->value, $rd);
$this->singleListPriceGross->value = (int) \round($this->singleListPriceNet->value + $this->singleListPriceNet->value * $this->taxR->value / (FloatInt::DIVISOR * 100), $rd);
$this->totalListPriceGross->value = (int) \round($this->totalListPriceNet->value + $this->totalListPriceNet->value * $this->taxR->value / (FloatInt::DIVISOR * 100), $rd);
$this->singleSalesPriceGross->value = (int) \round($this->singleSalesPriceNet->value + $this->singleSalesPriceNet->value * $this->taxR->value / (FloatInt::DIVISOR * 100), $rd);
$this->totalSalesPriceGross->value = (int) \round($this->totalSalesPriceNet->value + $this->totalSalesPriceNet->value * $this->taxR->value / (FloatInt::DIVISOR * 100), $rd);
$this->singleDiscountP->value = $this->quantity->value - $this->discountQ->value === 0
? 0
: (int) \round($this->totalDiscountP->value / ($this->quantity->getNormalizedValue() - $this->discountQ->getNormalizedValue()));
// important because the quantity includes $discountQ
$this->effectiveSingleSalesPriceNet->value = (int) \round($this->totalSalesPriceNet->value / ($this->quantity->value / FloatInt::DIVISOR), $rd);
}
/**
* Validate the correctness of the element
*
* @return bool
*
* @todo also consider rounding similarly to recalculatePrices
*
* @since 1.0.0
*/
public function isValid() : bool
{
return $this->validateNetGross()
&& $this->validateProfit()
&& $this->validateTax()
&& $this->validateTaxRate()
&& $this->validateSingleTotal()
&& $this->validateEffectiveSinglePrice()
&& $this->validateTotalPrice();
}
/**
* Validate the correctness of the net and gross values
*
* @return bool
*
* @since 1.0.0
*/
public function validateNetGross() : bool
{
return $this->singleListPriceNet->value <= $this->singleListPriceGross->value
&& $this->singleSalesPriceNet->value <= $this->singleSalesPriceGross->value
&& $this->totalListPriceNet->value <= $this->totalListPriceGross->value
&& $this->totalSalesPriceNet->value <= $this->totalSalesPriceGross->value;
}
/**
* Validate the correctness of the profit
*
* @return bool
*
* @since 1.0.0
*/
public function validateProfit() : bool
{
return $this->totalSalesPriceNet->value - $this->totalPurchasePriceNet->value === $this->totalProfitNet->value;
}
/**
* Validate the correctness of the taxes
*
* @return bool
*
* @since 1.0.0
*/
public function validateTax() : bool
{
$paidQuantity = $this->quantity->value - $this->discountQ->value;
return \abs($this->singleListPriceNet->value + ((int) \round($this->taxP->value / ($paidQuantity / FloatInt::DIVISOR), 0)) - $this->singleListPriceGross->value) === 0
&& \abs($this->singleSalesPriceNet->value + ((int) \round($this->taxP->value / ($paidQuantity / FloatInt::DIVISOR), 0)) - $this->singleSalesPriceGross->value) === 0
&& \abs($this->totalListPriceNet->value + $this->taxP->value - $this->totalListPriceGross->value) === 0
&& \abs($this->totalSalesPriceNet->value + $this->taxP->value - $this->totalSalesPriceGross->value) === 0;
}
/**
* Validate the correctness of the tax rate
*
* @return bool
*
* @since 1.0.0
*/
public function validateTaxRate() : bool
{
return (($this->taxP->value === 0 && $this->taxR->value === 0)
|| (\abs($this->taxP->value / $this->totalSalesPriceNet->value - $this->taxR->value / (FloatInt::DIVISOR * 100)) < 0.001)
&& \abs($this->totalSalesPriceGross->value / $this->totalSalesPriceNet->value - 1.0 - $this->taxR->value / (FloatInt::DIVISOR * 100)) < 0.001);
}
/**
* Validate the correctness of single and total prices
*
* @return bool
*
* @since 1.0.0
*/
public function validateSingleTotal() : bool
{
$paidQuantity = $this->quantity->value - $this->discountQ->value;
// Only possible for sales, costs may be different for different lots
return ((int) \round($this->singleListPriceNet->value * ($this->quantity->value / FloatInt::DIVISOR), 0)) === $this->totalListPriceNet->value
&& ((int) \round($this->singleSalesPriceNet->value * ($paidQuantity / FloatInt::DIVISOR), 0)) === $this->totalSalesPriceNet->value
&& ((int) \round($this->singleDiscountP->value * ($this->quantity->value / FloatInt::DIVISOR), 0)) === $this->totalDiscountP->value;
}
/**
* Validate the correctness of the effective price
*
* @return bool
*
* @since 1.0.0
*/
public function validateEffectiveSinglePrice() : bool
{
return $this->effectiveSingleSalesPriceNet->value === (int) \round($this->totalSalesPriceNet->value / ($this->quantity->value / FloatInt::DIVISOR));
}
/**
* Validate the correctness of the total price
*
* @return bool
*
* @since 1.0.0
*/
public function validateTotalPrice() : bool
{
return ((int) \round($this->singleListPriceNet->value * ($this->quantity->value / FloatInt::DIVISOR)
- $this->singleListPriceNet->value * ($this->quantity->value / FloatInt::DIVISOR) * $this->singleDiscountR->value / (FloatInt::DIVISOR * 100)
- $this->totalDiscountP->value * ($this->quantity->value / FloatInt::DIVISOR)
- $this->singleListPriceNet->value * ($this->discountQ->value / FloatInt::DIVISOR), 0))
=== $this->totalSalesPriceNet->value;
}
/**
* Set item.
*
* @param int $item Item
*
* @return void
*
* @since 1.0.0
*/
public function setItem(int $item) : void
{
$this->item = new NullItem($item);
}
/**
* Create element from item
*
* @param Item $item Item
* @param TaxCombination $taxCombination Tax combination
* @param Bill $bill Bill
* @param int $quantity Quantity (1.0 = 10000)
* @param null|Container $container Item container
*
* @return self
*
* @since 1.0.0
*/
public static function fromItem(
Item $item,
TaxCombination $taxCombination,
Bill $bill,
int $quantity = FloatInt::DIVISOR,
?Container $container = null
) : self
{
$element = new self();
$element->bill = $bill;
$element->item = empty($item->id) ? null : $item;
$element->container = empty($container->id) ? null : $container;
$element->itemNumber = $item->number;
$element->itemName = $item->getL11n('name1')->content;
$element->itemDescription = $item->getL11n('description_short')->content;
$element->quantity->value = $quantity;
$element->taxR = new FloatInt($taxCombination->taxCode->percentageInvoice);
$element->taxCode = $taxCombination->taxCode->abbr;
$element->fiAccount = $taxCombination->account;
$element->taxCombination = $taxCombination;
// @todo the purchase price is based on lot/sn/avg prices if available
$element->singlePurchasePriceNet->value = $item->purchasePrice->value;
$element->totalPurchasePriceNet->value = (int) ($element->quantity->getNormalizedValue() * $item->purchasePrice->value);
if ($element->bill->id !== 0
&& $item->getAttribute('subscription')->value->getValue() === 1
&& $element->item !== null
) {
$element->subscription = new Subscription();
$element->subscription->bill = $element->bill->id;
$element->subscription->item = $element->item->id;
$element->subscription->start = $bill?->performanceDate ?? new \DateTime('now');
$element->subscription->end = (new SmartDateTime('now'))->smartModify(m: 1); // @todo depends on subscription type
$element->subscription->quantity = $element->quantity;
$element->subscription->autoRenew = $item->getAttribute('subscription_renewal_type')->value->getValue() === 1;
}
return $element;
}
/**
* {@inheritdoc}
*/
public function toArray() : array
{
return [
'id' => $this->id,
'order' => $this->order,
'item' => $this->item?->id,
'itemNumber' => $this->itemNumber,
'itemName' => $this->itemName,
'itemDescription' => $this->itemDescription,
'quantity' => $this->quantity,
'bill' => $this->bill,
];
}
/**
* {@inheritdoc}
*/
public function jsonSerialize() : mixed
{
return $this->toArray();
}
}