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<?php |
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namespace Bavix\Wallet\Traits; |
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use Bavix\Wallet\Exceptions\AmountInvalid; |
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use Bavix\Wallet\Exceptions\BalanceIsEmpty; |
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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\Models\Transaction; |
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use Bavix\Wallet\Models\Transfer; |
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use Illuminate\Database\Eloquent\Model; |
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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 Ramsey\Uuid\Uuid; |
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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 WalletModel $wallet |
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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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/** |
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* @param int $amount |
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* @throws |
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*/ |
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private function checkAmount(int $amount): void |
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{ |
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if ($amount <= 0) { |
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throw new AmountInvalid('The amount must be greater than zero'); |
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} |
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} |
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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 $confirmed = true): Transaction |
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{ |
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$this->checkAmount($amount); |
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return $this->change(-$amount, $meta, $confirmed); |
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} |
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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 $confirmed = true): Transaction |
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{ |
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$this->checkAmount($amount); |
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return $this->change($amount, $meta, $confirmed); |
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} |
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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 $confirmed = true): Transaction |
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{ |
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if (!$this->canWithdraw($amount)) { |
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throw new BalanceIsEmpty('Balance insufficient for write-off'); |
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} |
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return $this->forceWithdraw($amount, $meta, $confirmed); |
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} |
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/** |
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* @param int $amount |
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* @return bool |
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*/ |
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public function canWithdraw(int $amount): bool |
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{ |
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return $this->balance >= $amount; |
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} |
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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 $meta = null): Transfer |
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{ |
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return DB::transaction(function() use ($amount, $wallet, $meta) { |
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$withdraw = $this->withdraw($amount, $meta); |
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$deposit = $wallet->deposit($amount, $meta); |
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return $this->assemble($wallet, $withdraw, $deposit); |
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}); |
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} |
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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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* @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 $meta = null): Transfer |
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{ |
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return DB::transaction(function() use ($amount, $wallet, $meta) { |
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$withdraw = $this->forceWithdraw($amount, $meta); |
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$deposit = $wallet->deposit($amount, $meta); |
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return $this->assemble($wallet, $withdraw, $deposit); |
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}); |
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} |
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/** |
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* @param Wallet $wallet |
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* @param Transaction $withdraw |
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* @param Transaction $deposit |
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* @return Transfer |
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* @throws |
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*/ |
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protected function assemble(Wallet $wallet, Transaction $withdraw, Transaction $deposit): Transfer |
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{ |
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/** |
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* @var Model $wallet |
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*/ |
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return \app(config('wallet.transfer.model'))->create([ |
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'deposit_id' => $deposit->getKey(), |
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'withdraw_id' => $withdraw->getKey(), |
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'from_type' => $this->getMorphClass(), |
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'from_id' => $this->getKey(), |
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'to_type' => $wallet->getMorphClass(), |
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'to_id' => $wallet->getKey(), |
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'uuid' => Uuid::uuid4()->toString(), |
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]); |
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} |
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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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* @return Transaction |
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* @throws |
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*/ |
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protected function change(int $amount, ?array $meta, bool $confirmed): Transaction |
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{ |
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return DB::transaction(function () use ($amount, $meta, $confirmed) { |
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if ($confirmed) { |
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$this->addBalance($amount); |
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} |
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if (!$this->wallet->exists) { |
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$this->wallet->save(); |
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} |
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return $this->transactions()->create([ |
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'type' => $amount > 0 ? 'deposit' : 'withdraw', |
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'payable_type' => $this->getMorphClass(), |
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'payable_id' => $this->getKey(), |
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'wallet_id' => $this->wallet->id, |
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'uuid' => Uuid::uuid4()->toString(), |
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'confirmed' => $confirmed, |
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'amount' => $amount, |
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'meta' => $meta, |
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]); |
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}); |
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} |
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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->morphMany(config('wallet.transaction.model'), 'payable'); |
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} |
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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 $this->morphMany(config('wallet.transfer.model'), 'from'); |
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} |
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/** |
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* @return MorphMany |
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*/ |
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public function wallets(): MorphMany |
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{ |
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return $this->morphMany(config('wallet.wallet.model'), 'holder'); |
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} |
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/** |
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* @return MorphOne |
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*/ |
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public function wallet(): MorphOne |
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{ |
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return $this->morphOne(config('wallet.wallet.model'), 'holder') |
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->withDefault([ |
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'name' => config('wallet.wallet.default.name'), |
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'slug' => config('wallet.wallet.default.slug'), |
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'balance' => 0, |
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]); |
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} |
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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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*/ |
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public function getBalanceAttribute(): int |
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{ |
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if ($this instanceof WalletModel) { |
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return (int) ($this->attributes['balance'] ?? 0); |
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} |
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return $this->wallet->balance; |
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} |
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/** |
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* @param int $amount |
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* @return bool |
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*/ |
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protected function addBalance(int $amount): bool |
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{ |
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$wallet = $this; |
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if (!($this instanceof WalletModel)) { |
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$this->getBalanceAttribute(); |
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$wallet = $this->wallet; |
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} |
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$wallet->balance += $amount; |
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return $wallet->save(); |
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} |
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} |
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bavix /
laravel-wallet
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.