andreschaffer/event-sourcing-cqrs-examples

package bankservice.port.incoming.adapter.resources.accounts.withdrawals;

import static com.google.common.base.Preconditions.checkNotNull;
import static jakarta.ws.rs.core.MediaType.APPLICATION_JSON;
import static jakarta.ws.rs.core.Response.Status.BAD_REQUEST;

import bankservice.domain.model.OptimisticLockingException;
import bankservice.domain.model.account.NonSufficientFundsException;
import bankservice.service.account.AccountNotFoundException;
import bankservice.service.account.AccountService;
import bankservice.service.account.WithdrawAccountCommand;
import io.dropwizard.jersey.params.UUIDParam;
import jakarta.validation.Valid;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.PathParam;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.Response;

@Consumes(APPLICATION_JSON)
@Produces(APPLICATION_JSON)
@Path("/accounts/{id}/withdrawals")
public class WithdrawalsResource {

  private final AccountService accountService;

  public WithdrawalsResource(AccountService accountService) {
    this.accountService = checkNotNull(accountService);
  }

  @POST
  public Response post(@PathParam("id") UUIDParam accountId, @Valid WithdrawalDto withdrawalDto)
      throws AccountNotFoundException, OptimisticLockingException {

    WithdrawAccountCommand command = new WithdrawAccountCommand(accountId.get(),
        withdrawalDto.getAmount());
    try {
      accountService.process(command);
    } catch (NonSufficientFundsException e) {
      return Response.status(BAD_REQUEST).build();
    }
    return Response.noContent().build();
  }
}