[인프런 워밍업 스터디 클럽 0기 - BE] #6 과제

문제 

 

 

 

Controller

 

@RestController
public class FruitController {

    private final FruitService fruitService;

    public FruitController(FruitService fruitService) {
        this.fruitService = fruitService;
    }

    @PostMapping("/api/v1/fruit")
    public void saveFruit(@RequestBody FruitRequest request) {
        fruitService.saveFruit(request);
    }


    @PutMapping("/api/v1/fruit")
    public void saleFruit(@RequestBody SoldOutFruitRequest request) {
        fruitService.saleFruit(request);
    }

    @GetMapping("/api/v1/fruit/stat")
    public TotalPriceResponse salesData(@RequestParam String name) {
        return fruitService.salesData(name);
    }
}

 

 

Service

 

@Service
public class FruitService {

    private final FruitRepository fruitRepository;

    public FruitService(FruitRepository fruitRepository) {
        this.fruitRepository = fruitRepository;
    }

    public void saveFruit(FruitRequest request) {
        fruitRepository.saveFruit(request);
    }

    public void saleFruit(SoldOutFruitRequest request) {
        boolean isEmpty = fruitRepository.checkSoldOut(request);

        if (isEmpty) {
            throw new IllegalArgumentException();
        }

        fruitRepository.saleFruit(request);
    }

    public TotalPriceResponse salesData(String name) {
        return new TotalPriceResponse(fruitRepository.salesRead(name), fruitRepository.notSalesRead(name));
    }
}

 

Repository

 

public interface FruitRepository {

    void saveFruit(FruitRequest request);

    void saleFruit(SoldOutFruitRequest request);

    boolean checkSoldOut(SoldOutFruitRequest request);

    long salesRead(String name);

    long notSalesRead(String name);
}

 

 

@Primary
@Repository
public class FruitMemoryRepository implements FruitRepository {

    private final List<Fruit> fruits = new ArrayList<>();

    @Override
    public void saveFruit(FruitRequest request) {
        fruits.add(new Fruit(request.getName(), request.getWarehousingDate(), request.getPrice()));
    }

    @Override
    public void saleFruit(SoldOutFruitRequest request) {
        Fruit fruit = fruits.get((int) request.getId());
        fruit.setSold(true);
    }

    @Override
    public boolean checkSoldOut(SoldOutFruitRequest request) {
        Fruit fruit = fruits.get((int) request.getId());
        if (fruit.isSold()) {
            return true;
        }
        return false;
    }

    @Override
    public long salesRead(String name) {
        long price = 0;
        for (int i = 0; i < fruits.size(); i++) {
            Fruit fruit = fruits.get(i);
            if (fruit.getName().equals(name) && fruit.isSold()) {
                price += fruit.getPrice();
            }
        }
        return price;
    }

    @Override
    public long notSalesRead(String name) {
        long price = 0;
        for (int i = 0; i < fruits.size(); i++) {
            Fruit fruit = fruits.get(i);
            if (fruit.getName().equals(name) && !fruit.isSold()) {
                price += fruit.getPrice();
            }
        }
        return price;
    }
}