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<?php |
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namespace Bavix\Wallet\Services; |
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use function app; |
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use Bavix\Wallet\Exceptions\AmountInvalid; |
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use Bavix\Wallet\Interfaces\Customer; |
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use Bavix\Wallet\Interfaces\Discount; |
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use Bavix\Wallet\Interfaces\Mathable; |
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use Bavix\Wallet\Interfaces\MinimalTaxable; |
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use Bavix\Wallet\Interfaces\Storable; |
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use Bavix\Wallet\Interfaces\Taxable; |
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use Bavix\Wallet\Interfaces\Wallet; |
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use Bavix\Wallet\Models\Wallet as WalletModel; |
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use Bavix\Wallet\Traits\HasWallet; |
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class WalletService |
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{ |
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/** |
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* @param Wallet $customer |
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* @param Wallet $product |
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* @return int |
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*/ |
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public function discount(Wallet $customer, Wallet $product): int |
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{ |
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if ($customer instanceof Customer && $product instanceof Discount) { |
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return $product->getPersonalDiscount($customer); |
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} |
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// without discount |
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return 0; |
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} |
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/** |
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* @param Wallet $object |
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* @return int |
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*/ |
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public function decimalPlacesValue(Wallet $object): int |
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{ |
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return $this->getWallet($object)->decimal_places ?: 2; |
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} |
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/** |
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* @param Wallet $object |
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* @return string |
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*/ |
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public function decimalPlaces(Wallet $object): string |
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{ |
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return app(Mathable::class) |
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->pow(10, $this->decimalPlacesValue($object)); |
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} |
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/** |
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* Consider the fee that the system will receive. |
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* |
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* @param Wallet $wallet |
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* @param int $amount |
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* @return float|int |
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*/ |
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public function fee(Wallet $wallet, $amount) |
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{ |
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$fee = 0; |
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$math = app(Mathable::class); |
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if ($wallet instanceof Taxable) { |
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$placesValue = $this->decimalPlacesValue($wallet); |
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$fee = $math->floor( |
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$math->div( |
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$math->mul($amount, $wallet->getFeePercent(), 0), |
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100, |
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$placesValue |
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) |
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); |
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} |
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/** |
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* Added minimum commission condition. |
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* |
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* @see https://github.com/bavix/laravel-wallet/issues/64#issuecomment-514483143 |
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*/ |
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if ($wallet instanceof MinimalTaxable) { |
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1 |
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$minimal = $wallet->getMinimalFee(); |
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1 |
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if (app(Mathable::class)->compare($fee, $minimal) === -1) { |
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$fee = $minimal; |
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} |
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} |
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return $fee; |
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} |
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/** |
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* The amount of checks for errors. |
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* |
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* @param int $amount |
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* @throws |
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*/ |
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public function checkAmount($amount): void |
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{ |
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if (app(Mathable::class)->compare($amount, 0) === -1) { |
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throw new AmountInvalid(trans('wallet::errors.price_positive')); |
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} |
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} |
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/** |
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* @param Wallet $object |
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* @param bool $autoSave |
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* @return WalletModel |
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*/ |
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public function getWallet(Wallet $object, bool $autoSave = true): WalletModel |
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{ |
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/** |
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* @var WalletModel $wallet |
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*/ |
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$wallet = $object; |
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if (! ($object instanceof WalletModel)) { |
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/** |
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* @var HasWallet $object |
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*/ |
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$wallet = $object->wallet; |
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} |
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if ($autoSave) { |
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$wallet->exists or $wallet->save(); |
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} |
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return $wallet; |
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} |
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/** |
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* @param WalletModel $wallet |
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* @return bool |
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*/ |
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public function refresh(WalletModel $wallet): bool |
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{ |
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return app(LockService::class)->lock($this, __FUNCTION__, static function () use ($wallet) { |
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$math = app(Mathable::class); |
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app(Storable::class)->getBalance($wallet); |
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$whatIs = $wallet->balance; |
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$balance = $wallet->getAvailableBalance(); |
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$wallet->balance = $balance; |
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return app(Storable::class)->setBalance($wallet, $balance) && |
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(! $math->compare($whatIs, $balance) || $wallet->save()); |
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}); |
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} |
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/** |
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* @param WalletModel $wallet |
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* @param array|null $meta |
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* @return void |
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* @throws |
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*/ |
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public function adjustment(WalletModel $wallet, ?array $meta = null): void |
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{ |
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app(DbService::class)->transaction(function () use ($wallet, $meta) { |
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$math = app(Mathable::class); |
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app(Storable::class)->getBalance($wallet); |
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$adjustmentBalance = $wallet->balance; |
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$wallet->refreshBalance(); |
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$difference = $math->sub($wallet->balance, $adjustmentBalance); |
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switch ($math->compare($difference, 0)) { |
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case -1: |
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$wallet->deposit($math->abs($difference), $meta); |
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break; |
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case 1: |
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$wallet->forceWithdraw($math->abs($difference), $meta); |
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break; |
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} |
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}); |
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} |
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} |
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bavix /
laravel-wallet
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