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<?php |
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namespace Bavix\Wallet\Traits; |
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use Bavix\Wallet\Interfaces\Wallet; |
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use Bavix\Wallet\Models\Transaction; |
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use Bavix\Wallet\Models\Transfer; |
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use Bavix\Wallet\Models\Wallet as WalletModel; |
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use Bavix\Wallet\Services\CommonService; |
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use Bavix\Wallet\Services\WalletService; |
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use Illuminate\Database\Eloquent\Relations\MorphMany; |
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use Illuminate\Database\Eloquent\Relations\MorphOne; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\DB; |
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use Throwable; |
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use function app; |
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use function config; |
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/** |
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* Trait HasWallet |
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* |
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* @package Bavix\Wallet\Traits |
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* |
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* @property-read Collection|WalletModel[] $wallets |
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* @property-read int $balance |
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*/ |
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trait HasWallet |
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{ |
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use MorphOneWallet; |
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/** |
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* The input means in the system |
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* |
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* @param int $amount |
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* @param array|null $meta |
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* @param bool $confirmed |
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* |
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* @return Transaction |
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*/ |
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public function deposit(int $amount, ?array $meta = null, bool $confirmed = true): Transaction |
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{ |
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$self = $this; |
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return DB::transaction(static function() use ($self, $amount, $meta, $confirmed) { |
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return app(CommonService::class) |
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->deposit($self, $amount, $meta, $confirmed); |
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}); |
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} |
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/** |
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* Magic laravel framework method, makes it |
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* possible to call property balance |
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* |
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* Example: |
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* $user1 = User::first()->load('wallet'); |
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* $user2 = User::first()->load('wallet'); |
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* |
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* Without static: |
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* var_dump($user1->balance, $user2->balance); // 100 100 |
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* $user1->deposit(100); |
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* $user2->deposit(100); |
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* var_dump($user1->balance, $user2->balance); // 200 200 |
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* |
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* With static: |
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* var_dump($user1->balance, $user2->balance); // 100 100 |
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* $user1->deposit(100); |
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* var_dump($user1->balance); // 200 |
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* $user2->deposit(100); |
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* var_dump($user2->balance); // 300 |
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* |
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* @return int |
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* @throws |
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*/ |
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public function getBalanceAttribute(): int |
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{ |
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return app(WalletService::class)->getBalance($this); |
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} |
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/** |
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* all user actions on wallets will be in this method |
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* |
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* @return MorphMany |
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*/ |
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public function transactions(): MorphMany |
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{ |
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return ($this instanceof WalletModel ? $this->holder : $this) |
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->morphMany(config('wallet.transaction.model'), 'payable'); |
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} |
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/** |
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* This method ignores errors that occur when transferring funds |
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* |
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* @param Wallet $wallet |
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* @param int $amount |
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* @param array|null $meta |
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* @return null|Transfer |
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*/ |
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public function safeTransfer(Wallet $wallet, int $amount, ?array $meta = null): ?Transfer |
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{ |
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try { |
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return $this->transfer($wallet, $amount, $meta); |
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} catch (Throwable $throwable) { |
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return null; |
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} |
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} |
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/** |
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* A method that transfers funds from host to host |
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* |
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* @param Wallet $wallet |
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* @param int $amount |
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* @param array|null $meta |
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* @return Transfer |
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* @throws |
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*/ |
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public function transfer(Wallet $wallet, int $amount, ?array $meta = null): Transfer |
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{ |
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app(CommonService::class)->verifyWithdraw($this, $amount); |
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return $this->forceTransfer($wallet, $amount, $meta); |
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} |
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/** |
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* Withdrawals from the system |
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* |
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* @param int $amount |
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* @param array|null $meta |
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* @param bool $confirmed |
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* |
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* @return Transaction |
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*/ |
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public function withdraw(int $amount, ?array $meta = null, bool $confirmed = true): Transaction |
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{ |
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app(CommonService::class)->verifyWithdraw($this, $amount); |
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return $this->forceWithdraw($amount, $meta, $confirmed); |
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} |
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/** |
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* Checks if you can withdraw funds |
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* |
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* @param int $amount |
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* @param bool $allowZero |
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* @return bool |
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*/ |
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public function canWithdraw(int $amount, bool $allowZero = null): bool |
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{ |
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/** |
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* Allow to buy for free with a negative balance |
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*/ |
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if ($allowZero && $amount === 0) { |
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return true; |
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} |
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return $this->balance >= $amount; |
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} |
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/** |
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* Forced to withdraw funds from system |
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* |
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* @param int $amount |
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* @param array|null $meta |
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* @param bool $confirmed |
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* |
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* @return Transaction |
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*/ |
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public function forceWithdraw(int $amount, ?array $meta = null, bool $confirmed = true): Transaction |
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{ |
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$self = $this; |
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return DB::transaction(static function() use ($self, $amount, $meta, $confirmed) { |
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return app(CommonService::class) |
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->forceWithdraw($self, $amount, $meta, $confirmed); |
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}); |
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} |
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/** |
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* the forced transfer is needed when the user does not have the money and we drive it. |
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* Sometimes you do. Depends on business logic. |
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* |
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* @param Wallet $wallet |
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* @param int $amount |
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* @param array|null $meta |
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* @return Transfer |
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*/ |
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public function forceTransfer(Wallet $wallet, int $amount, ?array $meta = null): Transfer |
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{ |
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$self = $this; |
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return DB::transaction(static function() use ($self, $amount, $wallet, $meta) { |
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return app(CommonService::class) |
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->forceTransfer($self, $wallet, $amount, $meta); |
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}); |
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} |
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/** |
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* the transfer table is used to confirm the payment |
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* this method receives all transfers |
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* |
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* @return MorphMany |
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*/ |
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public function transfers(): MorphMany |
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{ |
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return app(WalletService::class) |
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->getWallet($this, false) |
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->morphMany(config('wallet.transfer.model'), 'from'); |
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} |
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} |
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bavix /
laravel-wallet
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