73 lines
3.0 KiB
Java
73 lines
3.0 KiB
Java
package eu.old.eudat.migration;
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import eu.eudat.commons.enums.IsActive;
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import eu.eudat.commons.enums.ReferenceSourceType;
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import eu.eudat.commons.enums.ReferenceType;
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import eu.eudat.data.ReferenceEntity;
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import eu.old.eudat.data.dao.entities.GrantDao;
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import eu.old.eudat.data.entities.DMP;
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import eu.old.eudat.data.entities.Grant;
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import eu.old.eudat.logic.services.operations.DatabaseRepository;
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import gr.cite.tools.logging.LoggerService;
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import jakarta.persistence.EntityManager;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Service;
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import java.util.List;
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import java.util.Locale;
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@Service
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public class GrantMigrationService {
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private static final LoggerService logger = new LoggerService(LoggerFactory.getLogger(GrantMigrationService.class));
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private static final int PageSize = 500;
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private static final String InternalReferenceSource = "dmp";
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private final DatabaseRepository databaseRepository;
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private final EntityManager entityManager;
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public GrantMigrationService(DatabaseRepository databaseRepository, EntityManager entityManager) {
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this.databaseRepository = databaseRepository;
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this.entityManager = entityManager;
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}
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public void migrate(){
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GrantDao GrantDao = databaseRepository.getGrantDao();
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long total = GrantDao.asQueryable().count();
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logger.debug("Migrate Grant Total : " + total);
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int page = 0;
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List<Grant> items;
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do {
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items = GrantDao.asQueryable().orderBy((builder, root) -> builder.asc(root.get("created"))).orderBy((builder, root) -> builder.asc(root.get("ID"))).skip(page * PageSize).take(PageSize).toList();
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if (items != null && !items.isEmpty()) {
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logger.debug("Migrate Grant " + page * PageSize + " of " + total);
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for (Grant item : items) {
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if (item.getReference() == null || !item.getReference().contains(":")){
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logger.warn("Reference generated because is null Grant " + item.getId());
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item.setReference(InternalReferenceSource + ":" + item.getId().toString().toLowerCase(Locale.ROOT));
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}
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String[] referenceParts = item.getReference().split(":", 2);
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boolean isInternal = referenceParts[0].equals(InternalReferenceSource);
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ReferenceEntity data = new ReferenceEntity();
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data.setId(item.getId());
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data.setLabel(item.getLabel());
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data.setDescription(item.getDescription());
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data.setIsActive(DMP.DMPStatus.fromInteger(item.getStatus()).equals(DMP.DMPStatus.DELETED) ? IsActive.Inactive : IsActive.Active);
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data.setType(ReferenceType.Grants);
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data.setCreatedAt(item.getCreated().toInstant());
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data.setUpdatedAt(item.getModified().toInstant());
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if (item.getCreationUser() != null) data.setCreatedById(item.getCreationUser().getId());
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data.setReference(referenceParts[1]);
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data.setSource(referenceParts[0]);
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data.setSourceType(isInternal ? ReferenceSourceType.Internal : ReferenceSourceType.External);
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this.entityManager.persist(data);
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}
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this.entityManager.flush();
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page++;
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}
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} while (items != null && !items.isEmpty());
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}
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}
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