[6e7b472] | 1 | package com.wediscussmovies.project.service.impl;
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| 2 |
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[e0ef1b1] | 3 |
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| 4 | import com.wediscussmovies.project.ajaxmodels.Grade;
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[3ded84d] | 5 | import com.wediscussmovies.project.model.*;
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[e0ef1b1] | 6 | import com.wediscussmovies.project.model.exception.GenreNotExistException;
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| 7 | import com.wediscussmovies.project.model.exception.PersonNotExistException;
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| 8 | import com.wediscussmovies.project.model.exception.UserNotExistException;
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| 9 | import com.wediscussmovies.project.model.primarykeys.MovieLikesPK;
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| 10 | import com.wediscussmovies.project.model.primarykeys.MovieRatesPK;
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| 11 | import com.wediscussmovies.project.model.relation.MovieActors;
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| 12 | import com.wediscussmovies.project.model.relation.MovieGenres;
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| 13 | import com.wediscussmovies.project.model.relation.MovieLikes;
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| 14 | import com.wediscussmovies.project.model.relation.MovieRates;
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[c02189f] | 15 | import com.wediscussmovies.project.querymodels.MovieLikesQM;
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[e0ef1b1] | 16 | import com.wediscussmovies.project.repository.*;
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| 17 | import com.wediscussmovies.project.model.exception.MovieIdNotFoundException;
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[6e7b472] | 18 | import com.wediscussmovies.project.service.MovieService;
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| 19 | import org.springframework.stereotype.Service;
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| 20 |
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[e0ef1b1] | 21 | import javax.swing.text.html.Option;
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| 22 | import javax.transaction.Transactional;
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| 23 | import java.sql.Date;
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[6e7b472] | 24 | import java.util.List;
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[7a0bf79] | 25 | import java.util.Optional;
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[e0ef1b1] | 26 | import java.util.stream.Collectors;
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[6e7b472] | 27 |
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| 28 | @Service
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| 29 | public class MovieServiceImpl implements MovieService {
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[e0ef1b1] | 30 |
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[6e7b472] | 31 | private final MovieRepository movieRepository;
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[e0ef1b1] | 32 | private final PersonRepository personRepository;
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| 33 | private final GenreRepository genreRepository;
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| 34 | private final MovieActorsRepository movieActorsRepository;
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| 35 | private final MovieGenresRepository movieGenresRepository;
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| 36 | private final UserRepository userRepository;
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| 37 | private final MovieLikesRepository movieLikesRepository;
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| 38 | private final MovieRatesRepository movieRatesRepository;
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| 39 |
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| 40 | public MovieServiceImpl(MovieRepository movieRepository, PersonRepository personRepository,
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| 41 | GenreRepository genreRepository, MovieActorsRepository movieActorsRepository,
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| 42 | MovieGenresRepository movieGenresRepository,
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| 43 | UserRepository userRepository, MovieLikesRepository movieLikesRepository,
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| 44 | MovieRatesRepository movieRatesRepository) {
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[6e7b472] | 45 |
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| 46 | this.movieRepository = movieRepository;
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[e0ef1b1] | 47 | this.personRepository = personRepository;
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| 48 | this.genreRepository = genreRepository;
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| 49 | this.movieActorsRepository = movieActorsRepository;
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| 50 | this.movieGenresRepository = movieGenresRepository;
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| 51 | this.userRepository = userRepository;
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| 52 | this.movieLikesRepository = movieLikesRepository;
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| 53 | this.movieRatesRepository = movieRatesRepository;
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[6e7b472] | 54 | }
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| 55 |
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| 56 | @Override
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| 57 | public List<Movie> listAll() {
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[e0ef1b1] | 58 | return this.movieRepository.findAll();
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| 59 | }
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| 60 |
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| 61 | @Override
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| 62 | public List<Movie> listAllByType(Character type) {
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| 63 | if (type.equals('A'))
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| 64 | return this.listAll();
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| 65 | return this.listAllWithoutDirector();
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| 66 | }
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| 67 |
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| 68 | @Override
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| 69 | public List<Movie> listAllWithoutDirector() {
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| 70 | return this.movieRepository.findAllByDirectorIsNull();
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| 71 | }
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| 72 |
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| 73 | @Override
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| 74 | public Movie findById(Integer id) {
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| 75 | return this.movieRepository.findById(id).orElseThrow(() -> new MovieIdNotFoundException(id));
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| 76 | }
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| 77 |
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[c02189f] | 78 | @Override
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| 79 | public Movie findBasicById(Integer id) {
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| 80 | return this.movieRepository.findBasicById(id).orElseThrow(() -> new MovieIdNotFoundException(id));
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| 81 | }
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| 82 |
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| 83 | @Override
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| 84 | public MovieLikesQM findLikesForMovieById(int movieId) {
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| 85 | return this.movieRepository.findLikesForMovie(movieId).get(0);
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| 86 | }
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| 87 |
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[3c0f9a9] | 88 | @Override
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| 89 | public List<Integer> listAllIds() {
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| 90 | return this.movieRepository.findAllMovieIds();
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| 91 | }
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| 92 |
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[e0ef1b1] | 93 | @Override
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| 94 | @Transactional
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| 95 | public Movie save(String title, String description, String imageUrl,
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| 96 | Date airingDate, Double rating, Integer directorId,List<Integer> actorIds,List<Integer> genreIds) {
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| 97 |
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| 98 |
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| 99 | Person director =getDirector(directorId);
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| 100 | Movie movie = new Movie(title,description,imageUrl,airingDate,rating,director);
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| 101 | movie = this.movieRepository.saveAndFlush(movie);
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| 102 | addActorsAndGenresForMovie(movie,actorIds,genreIds);
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| 103 | return movie;
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[6e7b472] | 104 | }
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| 105 |
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[e0ef1b1] | 106 |
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| 107 | @Transactional
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[7a0bf79] | 108 | @Override
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[e0ef1b1] | 109 | public Movie edit(Integer movieId, String title, String description,
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| 110 | String imageUrl, Date airingDate, Double rating,
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| 111 | Integer directorId, List<Integer> actorIds,List<Integer> genreIds) {
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| 112 |
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| 113 |
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| 114 | Person director =getDirector(directorId);
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| 115 | Movie movie = this.findById(movieId);
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| 116 |
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| 117 | movie.setTitle(title);
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| 118 | movie.setDescription(description);
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| 119 | movie.setImageUrl(imageUrl);
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| 120 | movie.setAiringDate(airingDate);
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| 121 | movie.setImdbRating(rating);
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| 122 | movie.setDirector(director);
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| 123 |
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| 124 | this.movieActorsRepository.deleteAllByMovie(movie);
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| 125 | this.movieGenresRepository.deleteAllByMovie(movie);
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| 126 |
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| 127 | movie = this.movieRepository.save(movie);
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| 128 | this.addActorsAndGenresForMovie(movie,actorIds,genreIds);
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| 129 |
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| 130 | return movie;
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[7a0bf79] | 131 | }
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| 132 |
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| 133 | @Override
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[e0ef1b1] | 134 | public List<Person> findAllActorsForMovie(Movie movie) {
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| 135 | return this.movieActorsRepository.findAllByMovie(movie)
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| 136 | .stream()
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| 137 | .map(MovieActors::getPerson)
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| 138 | .collect(Collectors.toList());
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[7a0bf79] | 139 | }
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| 140 |
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[e0ef1b1] | 141 | @Override
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| 142 | public List<Genre> findAllGenresForMovie(Movie movie) {
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| 143 | return this.movieGenresRepository.findAllByMovie(movie)
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| 144 | .stream()
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| 145 | .map(MovieGenres::getGenre)
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| 146 | .collect(Collectors.toList());
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| 147 | }
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| 148 |
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| 149 | @Override
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| 150 | public void likeMovie(Integer movieId, Integer userId) {
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| 151 | User user = this.userRepository.findById(userId).orElseThrow(() -> new UserNotExistException(userId.toString()));
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| 152 | Movie movie = this.findById(movieId);
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| 153 |
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| 154 | this.movieLikesRepository.save(new MovieLikes(movie, user));
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| 155 | }
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| 156 |
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| 157 | @Override
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| 158 | public void unlikeMovie(Integer movieId, Integer userId) {
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| 159 | MovieLikesPK movieLikesPK = new MovieLikesPK(movieId,userId);
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| 160 | this.movieLikesRepository.deleteById(movieLikesPK);
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| 161 | }
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| 162 |
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| 163 | @Override
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| 164 | public List<Movie> findLikedMoviesByUser(User user) {
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| 165 | return
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| 166 | this.movieLikesRepository
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| 167 | .findAllByUser(user)
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| 168 | .stream()
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| 169 | .map(MovieLikes::getMovie)
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| 170 | .collect(Collectors.toList());
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| 171 | }
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| 172 |
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| 173 |
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[7a0bf79] | 174 | @Override
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[3ded84d] | 175 | public void deleteById(Integer id) {
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[e0ef1b1] | 176 | this.movieRepository.deleteById(id);
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| 177 | }
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| 178 |
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| 179 | @Override
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| 180 | public void addGradeMovie(Integer movieId, User user, Grade grade) {
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| 181 | MovieRatesPK key = new MovieRatesPK(movieId, user.getUserId());
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| 182 | Optional<MovieRates> movieRates = this.movieRatesRepository.findById(key);
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| 183 | if (movieRates.isPresent()){
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| 184 | MovieRates rates = movieRates.get();
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| 185 | rates.setReason(grade.getReason());
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| 186 | rates.setStarsRated(grade.getRating());
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| 187 | this.movieRatesRepository.save(rates);
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| 188 | }
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| 189 | else{
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| 190 | Movie movie = this.findById(movieId);
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| 191 | MovieRates rates = new MovieRates(user,movie,grade.getReason(),grade.getRating());
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| 192 | this.movieRatesRepository.save(rates);
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| 193 | }
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[7a0bf79] | 194 | }
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| 195 |
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[6e7b472] | 196 | @Override
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| 197 | public List<Movie> searchByTitle(String title) {
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[e0ef1b1] | 198 | return this.movieRepository.findAllByTitleLike("%"+title+"%");
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| 199 | }
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| 200 |
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| 201 | @Transactional
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| 202 | void addActorsAndGenresForMovie(Movie movie, List<Integer> actorIds, List<Integer> genreIds)
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| 203 | {
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| 204 |
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| 205 | actorIds.stream()
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| 206 | .map(this::findPersonById)
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| 207 | .forEach(actor -> this.movieActorsRepository.save(new MovieActors(movie,actor)));
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| 208 |
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| 209 | genreIds.stream()
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| 210 | .map(this::findGenreById)
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| 211 | .forEach(genre -> this.movieGenresRepository.save(new MovieGenres(movie,genre)));
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| 212 |
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| 213 | }
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| 214 | private Person getDirector(Integer directorId){
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| 215 |
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| 216 | if (directorId != null)
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| 217 | return this.findPersonById(directorId);
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| 218 | return null;
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| 219 |
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| 220 | }
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| 221 | private Person findPersonById(Integer id){
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| 222 | return this.personRepository.findById(id).orElseThrow(() -> new PersonNotExistException(id));
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| 223 | }
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| 224 | private Genre findGenreById(Integer id){
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| 225 | return this.genreRepository.findById(id).orElseThrow(() -> new GenreNotExistException(id));
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[6e7b472] | 226 | }
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| 227 | }
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[7a0bf79] | 228 |
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| 229 |
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