85 lines
2.9 KiB
Java
85 lines
2.9 KiB
Java
package ru.ulstu.conference.service;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import ru.ulstu.conference.model.Conference;
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import ru.ulstu.conference.model.ConferenceDto;
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import ru.ulstu.conference.repository.ConferenceRepository;
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import ru.ulstu.deadline.service.DeadlineService;
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import java.io.IOException;
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import java.util.List;
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import static org.springframework.util.ObjectUtils.isEmpty;
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import static ru.ulstu.core.util.StreamApiUtils.convert;
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@Service
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public class ConferenceService {
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private final static int MAX_DISPLAY_SIZE = 40;
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private final ConferenceRepository conferenceRepository;
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private final DeadlineService deadlineService;
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public ConferenceService(ConferenceRepository conferenceRepository,
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DeadlineService deadlineService) {
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this.conferenceRepository = conferenceRepository;
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this.deadlineService = deadlineService;
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}
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public List<Conference> findAll() {
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return conferenceRepository.findAll();
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}
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public List<ConferenceDto> findAllDto() {
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List<ConferenceDto> conferences = convert(findAll(), ConferenceDto::new);
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conferences.forEach(conferenceDto -> conferenceDto.setTitle(StringUtils.abbreviate(conferenceDto.getTitle(), MAX_DISPLAY_SIZE)));
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return conferences;
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}
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public ConferenceDto findOneDto(Integer id) {
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return new ConferenceDto(conferenceRepository.findOne(id));
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}
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public void save(ConferenceDto conferenceDto) throws IOException {
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if (isEmpty(conferenceDto.getId())) {
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create(conferenceDto);
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} else {
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update(conferenceDto);
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}
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}
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@Transactional
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public Integer create(ConferenceDto conferenceDto) throws IOException {
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Conference newConference = copyFromDto(new Conference(), conferenceDto);
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newConference = conferenceRepository.save(newConference);
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return newConference.getId();
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}
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@Transactional
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public Integer update(ConferenceDto conferenceDto) throws IOException {
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Conference conference = conferenceRepository.findOne(conferenceDto.getId());
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conferenceRepository.save(copyFromDto(conference, conferenceDto));
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return conference.getId();
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}
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private Conference copyFromDto(Conference conference, ConferenceDto conferenceDto) throws IOException {
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conference.setTitle(conferenceDto.getTitle());
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conference.setDescription(conferenceDto.getDescription());
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conference.setUrl(conferenceDto.getUrl());
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conference.setPing(0);
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conference.setBeginDate(conferenceDto.getBeginDate());
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conference.setEndDate(conferenceDto.getEndDate());
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conference.setDeadlines(deadlineService.saveOrCreate(conferenceDto.getDeadlines()));
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return conference;
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}
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}
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