[d3cf3a1] | 1 | package project.educatum.service.impl;
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| 2 |
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| 3 | import org.springframework.stereotype.Service;
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| 4 | import project.educatum.model.Admin;
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| 5 | import project.educatum.model.Subject;
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| 6 | import project.educatum.model.exceptions.AdminNotFoundException;
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| 7 | import project.educatum.model.exceptions.SubjectNotFoundException;
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| 8 | import project.educatum.repository.AdminRepository;
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| 9 | import project.educatum.repository.SubjectRepository;
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| 10 | import project.educatum.service.SubjectService;
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| 11 |
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| 12 | import java.util.*;
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| 13 | import java.util.stream.Collectors;
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| 14 |
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| 15 | @Service
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| 16 | public class SubjectServiceImpl implements SubjectService {
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| 17 |
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| 18 | private final SubjectRepository subjectsRepository;
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| 19 | private final AdminRepository adminRepository;
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| 20 |
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| 21 | public SubjectServiceImpl(SubjectRepository subjectsRepository, AdminRepository adminRepository) {
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| 22 | this.subjectsRepository = subjectsRepository;
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| 23 | this.adminRepository = adminRepository;
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| 24 | }
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| 25 |
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| 26 | @Override
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| 27 | public List<Subject> findAll() {
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| 28 | return this.subjectsRepository.findAll()
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| 29 | .stream()
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| 30 | .sorted(Comparator.comparing(Subject::getName))
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| 31 | .collect(Collectors.toList());
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| 32 | }
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| 33 |
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| 34 | @Override
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| 35 | public List<Subject> findAllByNameLike(String name) {
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| 36 | if (name != null) {
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| 37 | return this.subjectsRepository.findAllByNameContainingIgnoreCase(name);
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| 38 | } else {
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| 39 | return this.subjectsRepository.findAll();
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| 40 | }
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| 41 | }
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| 42 |
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| 43 | @Override
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| 44 | public void delete(Integer id) {
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| 45 | Subject p = subjectsRepository.findById(id).orElseThrow(SubjectNotFoundException::new);
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| 46 | subjectsRepository.delete(p);
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| 47 | }
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| 48 |
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| 49 | @Override
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| 50 | public Optional<Subject> findById(Integer id) {
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| 51 | return subjectsRepository.findById(id);
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| 52 | }
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| 53 |
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| 54 | @Override
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| 55 | public List<Subject> findAllByNameAndTeacherLike(String name, List<Subject> subjects) {
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| 56 | List<Subject> searchedSubjects = subjectsRepository.findAllByNameContainingIgnoreCase(name);
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| 57 | Set<Subject> result = new HashSet<>();
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| 58 | for (Subject p : searchedSubjects) {
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| 59 | for (Subject p2 : subjects)
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| 60 | if (p.getId().equals(p2.getId())) result.add(p2);
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| 61 | }
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| 62 | return new ArrayList<>(result);
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| 63 | }
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| 64 |
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| 65 | @Override
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| 66 | public Subject create(String ime) {
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| 67 | Admin admin = adminRepository.findById(1).orElseThrow(AdminNotFoundException::new);
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| 68 | Subject subject = new Subject(ime, admin);
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| 69 | return this.subjectsRepository.save(subject);
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| 70 | }
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| 71 |
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| 72 | @Override
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| 73 | public Subject findByName(String name) {
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| 74 | return subjectsRepository.findByName(name);
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| 75 | }
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| 76 | }
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