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