1 | package com.wediscussmovies.project.service.impl;
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2 |
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3 |
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4 | import com.wediscussmovies.project.ajaxmodels.Grade;
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5 | import com.wediscussmovies.project.model.*;
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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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15 | import com.wediscussmovies.project.querymodels.MovieLikesQM;
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16 | import com.wediscussmovies.project.repository.*;
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17 | import com.wediscussmovies.project.model.exception.MovieIdNotFoundException;
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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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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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24 | import java.util.List;
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25 | import java.util.Optional;
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26 | import java.util.stream.Collectors;
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27 |
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28 | @Service
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29 | public class MovieServiceImpl implements MovieService {
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30 |
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31 | private final MovieRepository movieRepository;
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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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45 |
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46 | this.movieRepository = movieRepository;
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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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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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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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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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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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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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104 | }
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105 |
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106 |
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107 | @Transactional
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108 | @Override
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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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131 | }
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132 |
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133 | @Override
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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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139 | }
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140 |
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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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174 | @Override
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175 | public void deleteById(Integer id) {
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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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194 | }
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195 |
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196 | @Override
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197 | public List<Movie> searchByTitle(String title) {
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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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226 | }
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227 | }
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228 |
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229 |
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