1 | package mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.service.impl;
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2 |
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3 | import lombok.RequiredArgsConstructor;
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4 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.enumerations.EmploymentStatus;
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5 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.enumerations.JobType;
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6 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.job_advertisements.DTO.JobAdDetailsDTO;
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7 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.job_advertisements.DTO.JobAdFilterDTO;
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8 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.job_advertisements.DTO.JobAdvertisementDTO;
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9 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.job_advertisements.JobAdvertisement;
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10 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.users.Recruiter;
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11 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.models.users.User;
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12 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.repositories.JobAdvertisementRepository;
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13 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.repositories.RecruiterRepository;
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14 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.repositories.UserRepository;
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15 | import mk.ukim.finki.predmeti.internettehnologii.jobvistabackend.service.intef.JobAdvertisementService;
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16 | import org.springframework.stereotype.Service;
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17 |
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18 | import java.time.LocalDate;
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19 | import java.time.LocalDateTime;
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20 | import java.util.Comparator;
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21 | import java.util.List;
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22 |
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23 | @Service
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24 | @RequiredArgsConstructor
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25 | public class JobAdvertisementServiceImpl implements JobAdvertisementService {
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26 | private final UserRepository userRepository;
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27 | private final JobAdvertisementRepository jobAdvertisementRepository;
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28 | private final RecruiterRepository recruiterRepository;
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29 |
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30 | @Override
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31 | public JobAdDetailsDTO addJobAdvertisement(JobAdvertisementDTO jobAdvertisementDTO) {
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32 | Recruiter recruiter = recruiterRepository.findById(jobAdvertisementDTO.getId()).orElseThrow(() -> new IllegalArgumentException("User not found"));
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33 | JobAdvertisement jobAdvertisement = new JobAdvertisement(
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34 | recruiter,
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35 | jobAdvertisementDTO.getTitle(),
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36 | jobAdvertisementDTO.getDescription(),
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37 | jobAdvertisementDTO.getIndustry(),
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38 | jobAdvertisementDTO.getStartingSalary(),
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39 | LocalDate.parse(jobAdvertisementDTO.getActiveUntil()),
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40 | JobType.valueOf(jobAdvertisementDTO.getJobType()),
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41 | EmploymentStatus.valueOf(jobAdvertisementDTO.getEmploymentStatus())
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42 | );
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43 | jobAdvertisementRepository.save(jobAdvertisement);
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44 | return JobAdvertisement.mapToJobAdDetailsDTO(jobAdvertisement);
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45 | }
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46 |
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47 | @Override
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48 | public JobAdDetailsDTO editJobAdvertisement(Long id, JobAdvertisementDTO jobAdvertisementDTO) {
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49 | JobAdvertisement jobAdvertisement = jobAdvertisementRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("Job Advertisement not found"));
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50 | jobAdvertisement.setTitle(jobAdvertisementDTO.getTitle());
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51 | jobAdvertisement.setDescription(jobAdvertisementDTO.getDescription());
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52 | jobAdvertisement.setIndustry(jobAdvertisementDTO.getIndustry());
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53 | jobAdvertisement.setStartingSalary(jobAdvertisementDTO.getStartingSalary());
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54 | jobAdvertisement.setActiveUntil(LocalDate.parse(jobAdvertisementDTO.getActiveUntil()));
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55 | jobAdvertisement.setActive(jobAdvertisement.isJobAdActive());
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56 | jobAdvertisement.setJobType(JobType.valueOf(jobAdvertisementDTO.getJobType()));
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57 | jobAdvertisement.setEmploymentStatus(EmploymentStatus.valueOf(jobAdvertisementDTO.getEmploymentStatus()));
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58 | jobAdvertisementRepository.save(jobAdvertisement);
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59 | return JobAdvertisement.mapToJobAdDetailsDTO(jobAdvertisement);
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60 | }
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61 |
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62 | @Override
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63 | public void deleteJobAdvertisement(Long jobAdvertisementId) {
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64 | jobAdvertisementRepository.deleteById(jobAdvertisementId);
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65 | }
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66 |
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67 | @Override
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68 | public List<JobAdDetailsDTO> findAllJobAdvertisements() {
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69 | List<JobAdvertisement> jobAdvertisementList = jobAdvertisementRepository.findAll();
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70 | jobAdvertisementList.forEach(jobAdvertisement -> {
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71 | if (!jobAdvertisement.isJobAdActive() && jobAdvertisement.isActive()) {
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72 | jobAdvertisement.setActive(false);
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73 | jobAdvertisementRepository.save(jobAdvertisement);
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74 | } else if (jobAdvertisement.isJobAdActive() && !jobAdvertisement.isActive()) {
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75 | jobAdvertisement.setActive(true);
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76 | jobAdvertisementRepository.save(jobAdvertisement);
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77 | }
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78 | });
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79 |
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80 | return jobAdvertisementList.stream()
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81 | .map(JobAdvertisement::mapToJobAdDetailsDTO)
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82 | .toList();
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83 | }
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84 |
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85 | @Override
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86 | public List<JobAdDetailsDTO> filterJobAdvertisements(JobAdFilterDTO jobAdFilterDTO) {
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87 | List<JobAdvertisement> filteredJobAds = jobAdvertisementRepository.findAll();
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88 | filteredJobAds = filter(filteredJobAds, jobAdFilterDTO);
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89 |
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90 | return filteredJobAds.stream()
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91 | .map(JobAdvertisement::mapToJobAdDetailsDTO)
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92 | .toList();
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93 | }
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94 |
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95 | private List<JobAdvertisement> filter(List<JobAdvertisement> filteredJobAdvertisements, JobAdFilterDTO jobAdFilterDTO) {
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96 | return filteredJobAdvertisements.stream()
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97 | .filter(jobAd -> jobAd.getTitle().toLowerCase().contains(jobAdFilterDTO.getSearchTerm().toLowerCase()))
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98 | .filter(jobAd -> jobAdFilterDTO.getIndustry().equals("all") || jobAd.getIndustry().equals(jobAdFilterDTO.getIndustry()))
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99 | .sorted(getComparator(jobAdFilterDTO.getSortOrder()))
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100 | .toList();
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101 | }
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102 |
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103 | private Comparator<JobAdvertisement> getComparator(String sortOrder) {
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104 | return switch (sortOrder) {
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105 | case "date_newest" -> Comparator.comparing(JobAdvertisement::getPostedOn).reversed();
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106 | case "date_oldest" -> Comparator.comparing(JobAdvertisement::getPostedOn);
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107 | case "salary_highest" -> Comparator.comparing(JobAdvertisement::getStartingSalary).reversed();
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108 | case "salary_lowest" -> Comparator.comparing(JobAdvertisement::getStartingSalary);
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109 | default -> Comparator.comparing(JobAdvertisement::getPostedOn); // Default sorting order
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110 | };
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111 | }
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112 |
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113 |
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114 | @Override
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115 | public List<JobAdDetailsDTO> findAllJobAdvertisementsByRecruiterId(Long recruiterId) {
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116 | List<JobAdvertisement> jobAdvertisementList = jobAdvertisementRepository.findAllByRecruiterId(recruiterId);
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117 |
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118 | return jobAdvertisementList.stream()
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119 | .map(JobAdvertisement::mapToJobAdDetailsDTO)
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120 | .toList();
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121 | }
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122 |
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123 | @Override
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124 | public List<JobAdDetailsDTO> filterJobAdvertisementsByRecruiterId(Long recruiterId, JobAdFilterDTO jobAdFilterDTO) {
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125 | List<JobAdvertisement> filteredJobAds = jobAdvertisementRepository.findAllByRecruiterId(recruiterId);
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126 | filteredJobAds = filter(filteredJobAds, jobAdFilterDTO);
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127 | return filteredJobAds.stream()
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128 | .map(JobAdvertisement::mapToJobAdDetailsDTO)
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129 | .toList();
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130 | }
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131 |
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132 | @Override
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133 | public JobAdDetailsDTO findJobAdvertisementById(Long id) {
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134 | JobAdvertisement jobAdvertisement = jobAdvertisementRepository.findById(id).orElse(null);
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135 | return JobAdvertisement.mapToJobAdDetailsDTO(jobAdvertisement);
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136 | }
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137 | }
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