[2a5d6a3] | 1 | package com.wediscussmovies.project.service.impl;
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| 2 |
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[e0ef1b1] | 3 | import com.wediscussmovies.project.model.exception.DiscussionNotExistException;
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| 4 | import com.wediscussmovies.project.model.exception.MovieIdNotFoundException;
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| 5 | import com.wediscussmovies.project.model.exception.PersonNotExistException;
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| 6 | import com.wediscussmovies.project.model.exception.UserNotExistException;
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[c02189f] | 7 | import com.wediscussmovies.project.model.primarykeys.DiscussionLikesPK;
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| 8 | import com.wediscussmovies.project.model.relation.DiscussionLikes;
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| 9 | import com.wediscussmovies.project.repository.*;
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[e0ef1b1] | 10 | import com.wediscussmovies.project.model.Discussion;
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| 11 | import com.wediscussmovies.project.model.Movie;
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| 12 | import com.wediscussmovies.project.model.Person;
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| 13 | import com.wediscussmovies.project.model.User;
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[2a5d6a3] | 14 | import com.wediscussmovies.project.service.DiscussionService;
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| 15 | import org.springframework.stereotype.Service;
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| 16 |
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[e0ef1b1] | 17 | import java.sql.Date;
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| 18 | import java.time.LocalDate;
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[c02189f] | 19 | import java.util.ArrayList;
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[2a5d6a3] | 20 | import java.util.List;
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| 21 |
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| 22 | @Service
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| 23 | public class DiscussionServiceImpl implements DiscussionService {
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[e0ef1b1] | 24 |
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[2a5d6a3] | 25 | private final DiscussionRepository discussionRepository;
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[c02189f] | 26 | private final DiscussionLikesRepository discussionLikesRepository;
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[e0ef1b1] | 27 | private final UserRepository userRepository;
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| 28 |
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| 29 | private final MovieRepository movieRepository;
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| 30 | private final PersonRepository personRepository;
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[2a5d6a3] | 31 |
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[c02189f] | 32 | public DiscussionServiceImpl(DiscussionRepository discussionRepository, DiscussionLikesRepository discussionLikesRepository, UserRepository userRepository,
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[e0ef1b1] | 33 | MovieRepository movieRepository, PersonRepository personRepository) {
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[2a5d6a3] | 34 | this.discussionRepository = discussionRepository;
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[c02189f] | 35 | this.discussionLikesRepository = discussionLikesRepository;
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[e0ef1b1] | 36 | this.userRepository = userRepository;
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| 37 | this.movieRepository = movieRepository;
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| 38 | this.personRepository = personRepository;
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[2a5d6a3] | 39 | }
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| 40 |
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[e0ef1b1] | 41 |
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| 42 |
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| 43 |
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[2a5d6a3] | 44 | @Override
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| 45 | public List<Discussion> listAll() {
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[e0ef1b1] | 46 | return this.discussionRepository.findAll();
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[2a5d6a3] | 47 | }
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| 48 |
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| 49 | @Override
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[e0ef1b1] | 50 | public void save(Character type,Integer id,String title, String text,User user) {
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| 51 | Date date = Date.valueOf(LocalDate.now());
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| 52 | Discussion discussion;
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| 53 |
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| 54 | if (type.equals('M')) {
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| 55 | discussion = new Discussion('M',text,title,date,user);
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| 56 | this.addMovieForDiscussion(id,discussion);
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| 57 | }
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| 58 | else{
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| 59 | discussion = new Discussion('P',text,title,date,user);
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| 60 | this.addPersonForDiscussion(id,discussion);
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| 61 | }
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| 62 |
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| 63 |
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| 64 |
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[2a5d6a3] | 65 | discussionRepository.save(discussion);
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| 66 | }
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| 67 |
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| 68 | @Override
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[e0ef1b1] | 69 | public void edit(Integer discussionId, Character type, Integer id, String title, String text) {
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| 70 | Discussion discussion = this.findById(discussionId);
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| 71 |
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| 72 | discussion.setText(text);
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| 73 | discussion.setTitle(title);
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| 74 | discussion.setType(type);
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| 75 | discussion.setMovie(null);
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| 76 | discussion.setPerson(null);
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| 77 |
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| 78 | if (type.equals('M')) {
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| 79 | this.addMovieForDiscussion(id,discussion);
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| 80 | }
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| 81 | else{
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| 82 | this.addPersonForDiscussion(id,discussion);
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| 83 | }
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| 84 | this.discussionRepository.save(discussion);
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| 85 |
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| 86 | }
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| 87 |
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| 88 | @Override
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| 89 | public void deleteById(Integer discussionId) {
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| 90 | this.discussionRepository.deleteById(discussionId);
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| 91 | }
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| 92 |
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| 93 | @Override
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| 94 | public void likeDiscussion(Integer discussionId, Integer userId) {
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[c02189f] | 95 | Discussion discussion = discussionRepository.findById(discussionId).orElseThrow(() -> new DiscussionNotExistException(discussionId));
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| 96 | User user = userRepository.findById(userId).orElseThrow(() -> new UserNotExistException(userId.toString()));
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| 97 | this.discussionLikesRepository.save(new DiscussionLikes(discussion, user));
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| 98 | }
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| 99 |
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| 100 | @Override
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| 101 | public List<Discussion> findLikedDiscussionsByUser(User user) {
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| 102 | List<DiscussionLikes> likes = discussionLikesRepository.findAllByUser(user);
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| 103 | List<Discussion> discussions = new ArrayList<>();
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| 104 | for(DiscussionLikes dl: likes){
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| 105 | discussions.add(dl.getDiscussion());
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| 106 | }
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| 107 | return discussions;
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[e0ef1b1] | 108 | }
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| 109 |
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| 110 | @Override
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| 111 | public void unlikeDiscussion(Integer discussionId, Integer userId) {
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[c02189f] | 112 | DiscussionLikesPK pk = new DiscussionLikesPK(discussionId, userId);
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| 113 | this.discussionLikesRepository.deleteById(pk);
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[e0ef1b1] | 114 | }
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| 115 |
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[c02189f] | 116 | @Override
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| 117 | public com.wediscussmovies.project.querymodels.DiscussionLikes findLikesForDiscussionWithId(int discussionId) {
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| 118 | return discussionRepository.findAllWithLikes().stream().filter(d -> d.getDiscussionId().equals(discussionId)).findFirst().get();
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| 119 | }
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| 120 |
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| 121 |
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[e0ef1b1] | 122 | @Override
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| 123 | public List<Discussion> findAllForPersonOrMovie(Integer id,Character type) {
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| 124 | if (type.equals('M'))
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| 125 | {
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| 126 | Movie movie = this.findMovieById(id);
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| 127 | return this.discussionRepository.findAllByMovie(movie);
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| 128 | }
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| 129 | Person person = this.findPersonById(id);
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| 130 | return this.discussionRepository.findAllByPerson(person);
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| 131 |
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| 132 | }
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| 133 |
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| 134 | @Override
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| 135 | public Discussion findById(Integer id) {
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| 136 | return discussionRepository.findById(id).orElseThrow(() -> new DiscussionNotExistException(id));
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[2a5d6a3] | 137 | }
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| 138 |
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| 139 | @Override
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| 140 | public List<Discussion> listAllByTitle(String title) {
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[e0ef1b1] | 141 | if(title == null || title.isEmpty())
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| 142 | return this.listAll();
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[2a5d6a3] | 143 | return discussionRepository.findAllByTitleLike("%"+title+"%");
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| 144 | }
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[e0ef1b1] | 145 | private void addMovieForDiscussion(Integer id,Discussion discussion){
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| 146 | Movie movie = findMovieById(id);
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| 147 | discussion.setMovie(movie);
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| 148 |
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| 149 | }
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| 150 |
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| 151 | private void addPersonForDiscussion(Integer id, Discussion discussion){
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| 152 | Person person = findPersonById(id);
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| 153 | discussion.setPerson(person);
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| 154 |
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| 155 | }
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| 156 | private Movie findMovieById(Integer id){
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| 157 | return this.movieRepository.findById(id).orElseThrow(() -> new MovieIdNotFoundException(id));
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| 158 | }
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| 159 | private Person findPersonById(Integer id){
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| 160 | return this.personRepository.findById(id).orElseThrow(() -> new PersonNotExistException(id));
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| 161 |
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| 162 | }
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[2a5d6a3] | 163 | }
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