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Implement updateBeerById in a better way #9

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Implement updateBeerById in a better way #9

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24 changes: 9 additions & 15 deletions src/main/java/guru/springframework/spring6restmvc/services/BeerServiceJPA.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@
import java.util.List;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;

/**
Expand Down Expand Up @@ -44,20 +43,15 @@ public BeerDTO saveNewBeer(BeerDTO beer) {

@Override
public Optional<BeerDTO> updateBeerById(UUID beerId, BeerDTO beer) {
AtomicReference<Optional<BeerDTO>> atomicReference = new AtomicReference<>();

beerRepository.findById(beerId).ifPresentOrElse(foundBeer -> {
foundBeer.setBeerName(beer.getBeerName());
foundBeer.setBeerStyle(beer.getBeerStyle());
foundBeer.setUpc(beer.getUpc());
foundBeer.setPrice(beer.getPrice());
atomicReference.set(Optional.of(beerMapper
.beerToBeerDto(beerRepository.save(foundBeer))));
}, () -> {
atomicReference.set(Optional.empty());
});

return atomicReference.get();
return beerRepository.findById(beerId)
.map(foundBeer -> {
foundBeer.setBeerName(beer.getBeerName());
foundBeer.setBeerStyle(beer.getBeerStyle());
foundBeer.setUpc(beer.getUpc());
foundBeer.setPrice(beer.getPrice());
beerRepository.save(foundBeer);
return beerMapper.beerToBeerDto(foundBeer);
});
}

@Override
Expand Down