Last change
on this file was 8d11f8c, checked in by jovanmanchev <jovanmanchev3003@…>, 18 months ago |
code added, trial 2
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Property mode
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100644
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File size:
1.3 KB
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[8d11f8c] | 1 | package com.example.fooddeliverysystem.service.impl;
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| 2 |
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| 3 | import com.example.fooddeliverysystem.exceptions.FoodItemNotFoundException;
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| 4 | import com.example.fooddeliverysystem.model.FoodItem;
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| 5 | import com.example.fooddeliverysystem.model.Price;
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| 6 | import com.example.fooddeliverysystem.repository.PriceRepository;
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| 7 | import com.example.fooddeliverysystem.service.PriceService;
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| 8 | import org.springframework.stereotype.Service;
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| 9 |
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| 10 | import java.util.List;
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| 11 | import java.util.Optional;
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| 12 |
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| 13 | @Service
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| 14 | public class PriceServiceImpl implements PriceService {
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| 15 |
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| 16 | private final PriceRepository priceRepository;
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| 17 |
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| 18 | public PriceServiceImpl(PriceRepository priceRepository) {
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| 19 | this.priceRepository = priceRepository;
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| 20 | }
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| 21 |
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| 22 | @Override
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| 23 | public List<Price> findAllPrices() {
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| 24 | return this.priceRepository.findAll();
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| 25 | }
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| 26 |
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| 27 | @Override
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| 28 | public Price findCurrentPriceForFoodItem(FoodItem foodItem) throws FoodItemNotFoundException {
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| 29 | List<Price> pricesForFoodItem = this.priceRepository.findAllByPriceKey_FoodItem(foodItem);
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| 30 | Optional<Price> currentPrice = pricesForFoodItem.stream()
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| 31 | .sorted((price1, price2) -> (int) (price2.getPriceKey().getPriceNumber() - price1.getPriceKey().getPriceNumber()))
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| 32 | .findFirst();
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| 33 | return currentPrice.orElseThrow(() -> new FoodItemNotFoundException("food item cannot be found"));
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| 34 |
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| 35 | }
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| 36 | }
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