[dfd5d87] | 1 | package finki.it.phoneluxbackend.services;
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| 2 |
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| 3 | import finki.it.phoneluxbackend.entities.PhoneOffer;
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| 4 | import finki.it.phoneluxbackend.repositories.PhoneOfferRepository;
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| 5 | import finki.it.phoneluxbackend.repositories.PhoneRepository;
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| 6 | import org.springframework.stereotype.Service;
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| 7 |
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| 8 | import java.util.ArrayList;
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[f25d07e] | 9 | import java.util.Comparator;
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[dfd5d87] | 10 | import java.util.List;
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[f25d07e] | 11 | import java.util.stream.Collectors;
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[dfd5d87] | 12 |
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| 13 | @Service
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| 14 | public class PhoneOfferService {
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| 15 | private final PhoneOfferRepository phoneOfferRepository;
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| 16 | private final PhoneRepository phoneRepository;
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| 17 |
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| 18 | public PhoneOfferService(PhoneOfferRepository phoneOfferRepository, PhoneRepository phoneRepository) {
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| 19 | this.phoneOfferRepository = phoneOfferRepository;
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| 20 | this.phoneRepository = phoneRepository;
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| 21 | }
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| 22 |
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| 23 | public List<PhoneOffer> getPhoneOffersForPhone(Long phoneId) {
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| 24 | boolean exists = phoneRepository.existsById(phoneId);
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| 25 | if(!exists)
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| 26 | throw new IllegalStateException("Phone with id "+phoneId+" does not exist");
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| 27 |
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[f25d07e] | 28 | return phoneRepository.findById(phoneId).get().getPhoneOffers()
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| 29 | .stream().sorted(Comparator.comparing(PhoneOffer::getPrice)).collect(Collectors.toList());
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[dfd5d87] | 30 | }
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[f25d07e] | 31 |
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| 32 | public List<String> getShops() {
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| 33 | return phoneOfferRepository.findAll().stream()
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| 34 | .map(PhoneOffer::getOffer_shop)
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| 35 | .distinct()
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| 36 | .collect(Collectors.toList());
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| 37 | }
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| 38 |
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| 39 |
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| 40 | public int getLowestPrice() {
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| 41 | return phoneOfferRepository.findAll()
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| 42 | .stream().sorted(Comparator.comparing(PhoneOffer::getPrice))
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| 43 | .collect(Collectors.toList()).get(0).getPrice();
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| 44 | }
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| 45 |
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| 46 | public int getHighestPrice() {
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| 47 | return phoneOfferRepository.findAll()
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| 48 | .stream().sorted(Comparator.comparing(PhoneOffer::getPrice).reversed())
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| 49 | .collect(Collectors.toList()).get(0).getPrice();
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| 50 | }
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| 51 |
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[dfd5d87] | 52 | }
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