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<?php
namespace Bavix\Wallet\Traits;
use function app;
use Bavix\Wallet\Exceptions\AmountInvalid;
use Bavix\Wallet\Exceptions\BalanceIsEmpty;
use Bavix\Wallet\Exceptions\InsufficientFunds;
use Bavix\Wallet\Interfaces\Customer;
use Bavix\Wallet\Interfaces\Mathable;
use Bavix\Wallet\Interfaces\Product;
use Bavix\Wallet\Interfaces\Wallet;
use Bavix\Wallet\Models\Transfer;
use Bavix\Wallet\Objects\Bring;
use Bavix\Wallet\Services\CommonService;
use Bavix\Wallet\Services\DbService;
use Bavix\Wallet\Services\LockService;
use Bavix\Wallet\Services\WalletService;
use Throwable;
/**
* Trait HasGift.
*/
trait HasGift
{
/**
* Give the goods safely.
*
* @param Wallet $to
* @param Product $product
* @param bool $force
*
* @return Transfer|null
*/
public function safeGift(Wallet $to, Product $product, bool $force = null): ?Transfer
{
try {
return $this->gift($to, $product, $force);
} catch (Throwable $throwable) {
return null;
}
}
/**
* From this moment on, each user (wallet) can give
* the goods to another user (wallet).
* This functionality can be organized for gifts.
*
* @param Wallet $to
* @param Product $product
* @param bool $force
*
* @return Transfer
*
* @throws AmountInvalid
* @throws BalanceIsEmpty
* @throws InsufficientFunds
* @throws Throwable
*/
public function gift(Wallet $to, Product $product, bool $force = null): Transfer
{
return app(LockService::class)->lock($this, __FUNCTION__, function () use ($to, $product, $force): Transfer {
/**
* Who's giving? Let's call him Santa Claus.
* @var Customer $santa
*/
$santa = $this;
/**
* Unfortunately,
* I think it is wrong to make the "assemble" method public.
* That's why I address him like this!
*/
return app(DbService::class)->transaction(static function () use ($santa, $to, $product, $force): Transfer {
$math = app(Mathable::class);
$discount = app(WalletService::class)->discount($santa, $product);
$amount = $math->sub($product->getAmountProduct($santa), $discount);
$meta = $product->getMetaProduct();
$fee = app(WalletService::class)
->fee($product, $amount);
$commonService = app(CommonService::class);
/**
* Santa pays taxes.
*/
if (! $force) {
$commonService->verifyWithdraw($santa, $math->add($amount, $fee));
}
$withdraw = $commonService->forceWithdraw($santa, $math->add($amount, $fee), $meta);
$deposit = $commonService->deposit($product, $amount, $meta);
$from = app(WalletService::class)
->getWallet($to);
$transfers = $commonService->assemble([
app(Bring::class)
->setStatus(Transfer::STATUS_GIFT)
->setDiscount($discount)
->setDeposit($deposit)
->setWithdraw($withdraw)
->setFrom($from)
->setTo($product),
]);
return current($transfers);
});
});
}
/**
* to give force).
*
* @param Wallet $to
* @param Product $product
*
* @return Transfer
*
* @throws AmountInvalid
* @throws Throwable
*/
public function forceGift(Wallet $to, Product $product): Transfer
{
return $this->gift($to, $product, true);
}
}