1 | package com.wediscussmovies.project.service.impl;
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2 |
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3 | import com.wediscussmovies.project.model.User;
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4 | import com.wediscussmovies.project.model.exception.GenreNotExistException;
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5 | import com.wediscussmovies.project.model.exception.UserNotExistException;
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6 | import com.wediscussmovies.project.model.primarykeys.UserGenresPK;
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7 | import com.wediscussmovies.project.model.relation.UserGenres;
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8 | import com.wediscussmovies.project.querymodels.GenreLikesQM;
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9 | import com.wediscussmovies.project.repository.GenreLikesRepository;
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10 | import com.wediscussmovies.project.repository.GenreRepository;
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11 | import com.wediscussmovies.project.model.Genre;
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12 | import com.wediscussmovies.project.repository.UserRepository;
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13 | import com.wediscussmovies.project.service.GenreService;
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14 | import org.springframework.stereotype.Service;
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15 |
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16 | import java.util.List;
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17 |
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18 | @Service
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19 | public class GenreServiceImpl implements GenreService {
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20 | private final GenreRepository genreRepository;
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21 | private final UserRepository userRepository;
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22 | private final GenreLikesRepository genreLikesRepository;
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23 |
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24 |
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25 | public GenreServiceImpl(GenreRepository genreRepository, UserRepository userRepository, GenreLikesRepository genreLikesRepository) {
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26 | this.genreRepository = genreRepository;
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27 | this.userRepository = userRepository;
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28 | this.genreLikesRepository = genreLikesRepository;
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29 | }
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30 |
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31 | @Override
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32 | public Genre findById(Integer id) {
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33 | return this.genreRepository.findById(id).orElseThrow(() -> new GenreNotExistException(id));
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34 | }
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35 |
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36 | @Override
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37 | public List<Genre> findAllByType(String genre) {
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38 | return this.genreRepository.findAllByGenreType(genre);
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39 | }
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40 |
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41 | @Override
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42 | public Genre save(String genreName) {
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43 | Genre genre = new Genre(genreName);
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44 | return this.genreRepository.save(genre);
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45 | }
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46 |
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47 | @Override
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48 | public List<GenreLikesQM> findAllWithLikes() {
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49 | // List<GenreLikes> genreLikesList = this.genreRepository.findAllWithLikes();
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50 | // genreLikesList.sort(GenreLikes.sorter);
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51 | return this.genreRepository.findAllWithLikes();
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52 | }
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53 |
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54 | @Override
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55 | public List<Genre> findAll() {
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56 | return this.genreRepository.findAllSorted();
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57 | }
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58 |
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59 | @Override
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60 | public void likeGenre(Integer genreId, Integer userId) {
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61 | User user = this.userRepository.findById(userId).orElseThrow(() -> new UserNotExistException(userId.toString()));
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62 | Genre genre = this.genreRepository.findById(genreId).orElseThrow(() -> new GenreNotExistException(genreId));
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63 | this.genreLikesRepository.save(new UserGenres(genre, user));
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64 | }
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65 |
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66 | @Override
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67 | public void unlikeGenre(Integer genreId, Integer userId) {
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68 | UserGenresPK movieLikesPK = new UserGenresPK(userId, genreId);
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69 | this.genreLikesRepository.deleteById(movieLikesPK);
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70 | }
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71 | }
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