fi.helsinki.opintoni.service.StudyAttainmentService.java Source code

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Here is the source code for fi.helsinki.opintoni.service.StudyAttainmentService.java

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/*
 * This file is part of MystudiesMyteaching application.
 *
 * MystudiesMyteaching application is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MystudiesMyteaching application is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MystudiesMyteaching application.  If not, see <http://www.gnu.org/licenses/>.
 */

package fi.helsinki.opintoni.service;

import com.google.common.collect.Lists;
import fi.helsinki.opintoni.domain.portfolio.Portfolio;
import fi.helsinki.opintoni.domain.portfolio.StudyAttainmentWhitelist;
import fi.helsinki.opintoni.dto.StudyAttainmentDto;
import fi.helsinki.opintoni.integration.oodi.OodiClient;
import fi.helsinki.opintoni.integration.oodi.OodiStudyAttainment;
import fi.helsinki.opintoni.service.converter.StudyAttainmentConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Comparator;
import java.util.List;
import java.util.Locale;
import java.util.stream.Collectors;

@Service
public class StudyAttainmentService {

    private final OodiClient oodiClient;
    private final StudyAttainmentConverter studyAttainmentConverter;
    private final StudyAttainmentTransactionalService studyAttainmentTransactionalService;

    @Autowired
    public StudyAttainmentService(OodiClient oodiClient, StudyAttainmentConverter studyAttainmentConverter,
            StudyAttainmentTransactionalService studyAttainmentTransactionalService) {
        this.oodiClient = oodiClient;
        this.studyAttainmentConverter = studyAttainmentConverter;
        this.studyAttainmentTransactionalService = studyAttainmentTransactionalService;
    }

    private int compareStudyAttainments(StudyAttainmentDto s1, StudyAttainmentDto s2) {
        return s1.attainmentDate.compareTo(s2.attainmentDate);
    }

    public List<StudyAttainmentDto> getWhitelistedAttainmentsByPortfolioId(Long portfolioId, Locale locale) {
        Portfolio portfolio = studyAttainmentTransactionalService.findPortfolio(portfolioId);
        return studyAttainmentTransactionalService.findByPortfolioId(portfolioId).map(whitelist -> {
            List<Long> whitelistedAttainmentIds = getWhitelistedAttainmentIds(whitelist);
            List<OodiStudyAttainment> studyAttainments = oodiClient
                    .getStudyAttainments(getStudentNumber(portfolio));
            return getWhitelistedAttainments(studyAttainments, whitelistedAttainmentIds, locale);
        }).orElse(Lists.newArrayList());
    }

    private List<StudyAttainmentDto> getWhitelistedAttainments(List<OodiStudyAttainment> studyAttainments,
            List<Long> whitelistedAttainmentIds, Locale locale) {
        Comparator<StudyAttainmentDto> studyAttainmentDtoComparator = this::compareStudyAttainments;
        return studyAttainments.stream().filter(a -> whitelistedAttainmentIds.contains(a.studyAttainmentId))
                .map(a -> studyAttainmentConverter.toDto(a, locale)).sorted(studyAttainmentDtoComparator.reversed())
                .collect(Collectors.toList());
    }

    private List<Long> getWhitelistedAttainmentIds(StudyAttainmentWhitelist whitelist) {
        return whitelist.whitelistEntries.stream().map(entry -> entry.studyAttainmentId)
                .collect(Collectors.toList());
    }

    private String getStudentNumber(Portfolio portfolio) {
        String oodiPersonId = portfolio.user.oodiPersonId;
        return oodiClient.getRoles(oodiPersonId).studentNumber;
    }

    public List<StudyAttainmentDto> getStudyAttainments(String studentNumber, int limit, Locale locale) {
        Comparator<StudyAttainmentDto> studyAttainmentDtoComparator = this::compareStudyAttainments;

        return oodiClient.getStudyAttainments(studentNumber).stream()
                .map(a -> studyAttainmentConverter.toDto(a, locale)).sorted(studyAttainmentDtoComparator.reversed())
                .limit(limit).collect(Collectors.toList());
    }

}