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<?php namespace RayEmitter\Example\BankAccount; |
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use C4tech\RayEmitter\Domain\Aggregate as AbstractAggregate; |
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use Ramsey\Uuid\Uuid; |
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final class Aggregate extends AbstractAggregate |
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{ |
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/** |
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* Minimum needed to open an account. |
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* @var int|float |
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*/ |
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const MINIMUM_TO_OPEN = 50; |
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/** |
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* Account Was Created Event Handle |
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* |
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* @param AccountWasCreated $event Event Object |
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* @return void |
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*/ |
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protected function applyAccountWasCreated(AccountWasCreated $event) |
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{ |
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$data = $event->getPayload(); |
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$identifier = new AccountId($event->getId()); |
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$this->root = new AggregateRoot($identifier); |
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$this->root->owner = $data->owner; |
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$this->root->balance = $data->deposit; |
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} |
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/** |
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* Money Deposited Event Handle |
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* |
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* @param MoneyDeposited $event Event Object |
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* @return void |
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*/ |
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View Code Duplication |
protected function applyMoneyDeposited(MoneyDeposited $event) |
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{ |
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$data = $event->getPayload(); |
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$balance = $this->root->balance->getValue(); |
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$balance += $data->deposit->getValue(); |
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$this->root->balance = new UsDollar($balance); |
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} |
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/** |
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* Money Withdrawn Event Handle |
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* |
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* @param MoneyWithdrawn $event Event Object |
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* @return void |
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*/ |
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View Code Duplication |
protected function applyMoneyWithdrawn(MoneyWithdrawn $event) |
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{ |
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$data = $event->getPayload(); |
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$balance = $this->root->balance->getValue(); |
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$balance -= $data->withdrawal->getValue(); |
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$this->root->balance = new UsDollar($balance); |
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} |
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/** |
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* Create Account Command Handle |
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* |
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* Processes business logic for the account creation command. |
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* @param CreateAccount $command Command object. |
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* @return AccountWasCreated Event object. |
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*/ |
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protected function handleCreateAccount(CreateAccount $command) |
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{ |
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$data = $command->getPayload(); |
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$account_id = new AccountId(Uuid::uuid4()->toString()); |
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$owner = new OwnerName($data->owner); |
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$deposit = new UsDollar($data->deposit); |
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if ($deposit->getValue() < self::MINIMUM_TO_OPEN) { |
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throw new MinimumDepositException(sprintf( |
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'The deposit of $%s is under the required minimum of $%s', |
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$deposit->getValue(), |
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self::MINIMUM_TO_OPEN |
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)); |
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} |
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return new AccountWasCreated($account_id->getValue(), compact('owner', 'deposit')); |
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} |
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/** |
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* Deposit Money Command Handle |
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* |
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* Processes business logic for the deposit money command. |
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* @param DepositMoney $command Command object. |
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* @return MoneyDeposited Event object. |
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*/ |
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protected function handleDepositMoney(DepositMoney $command) |
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{ |
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$data = $command->getPayload(); |
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$deposit = new UsDollar($data->deposit); |
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if ($deposit->getValue() < 0) { |
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throw new MinimumDepositException('You cannot deposit a negative amount.'); |
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} |
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return new MoneyDeposited($command->getId(), compact('deposit')); |
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} |
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/** |
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* Withdraw Money Command Handle |
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* |
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* Processes business logic for the withdraw money command. |
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* @param WithdrawMoney $command Command object. |
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* @return MoneyWithdrawn Event object. |
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*/ |
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protected function handleWithdrawMoney(WithdrawMoney $command) |
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{ |
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$data = $command->getPayload(); |
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$withdrawal = new UsDollar($data->withdrawal); |
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if ($withdrawal->getValue() < 0) { |
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throw new MinimumWithdrawalException('You cannot withdraw a negative amount.'); |
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} |
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if ($withdrawal->getValue() > $this->root->balance->getValue()) { |
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throw new InsufficientFundsException(sprintf( |
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'Insufficient funds. You tried to withdraw $%s but only have $%s in your account.', |
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$withdrawal->getValue(), |
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$this->balance->getValue() |
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)); |
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} |
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return new MoneyWithdrawn($command->getId(), compact('withdrawal')); |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..