argos/dmp-backend/core/src/main/java/eu/eudat/service/dmp/DmpServiceImpl.java

540 lines
26 KiB
Java

package eu.eudat.service.dmp;
import com.fasterxml.jackson.core.JsonProcessingException;
import eu.eudat.authorization.AuthorizationFlags;
import eu.eudat.authorization.Permission;
import eu.eudat.commons.JsonHandlingService;
import eu.eudat.commons.XmlHandlingService;
import eu.eudat.commons.enums.DmpStatus;
import eu.eudat.commons.enums.DmpUserRole;
import eu.eudat.commons.enums.IsActive;
import eu.eudat.commons.scope.user.UserScope;
import eu.eudat.commons.types.reference.DefinitionEntity;
import eu.eudat.commons.types.reference.FieldEntity;
import eu.eudat.convention.ConventionService;
import eu.eudat.data.*;
import eu.eudat.errorcode.ErrorThesaurusProperties;
import eu.eudat.event.DmpTouchedEvent;
import eu.eudat.event.EventBroker;
import eu.eudat.model.Dmp;
import eu.eudat.model.Reference;
import eu.eudat.model.builder.DmpBuilder;
import eu.eudat.model.deleter.DmpDeleter;
import eu.eudat.model.deleter.DmpDescriptionTemplateDeleter;
import eu.eudat.model.deleter.DmpReferenceDeleter;
import eu.eudat.model.deleter.DmpUserDeleter;
import eu.eudat.model.persist.*;
import eu.eudat.model.persist.referencedefinition.DefinitionPersist;
import eu.eudat.model.persist.referencedefinition.FieldPersist;
import eu.eudat.query.*;
import eu.eudat.service.description.DescriptionService;
import gr.cite.commons.web.authz.service.AuthorizationService;
import gr.cite.tools.data.builder.BuilderFactory;
import gr.cite.tools.data.deleter.DeleterFactory;
import gr.cite.tools.data.query.Ordering;
import gr.cite.tools.data.query.QueryFactory;
import gr.cite.tools.exception.MyApplicationException;
import gr.cite.tools.exception.MyForbiddenException;
import gr.cite.tools.exception.MyNotFoundException;
import gr.cite.tools.exception.MyValidationException;
import gr.cite.tools.fieldset.BaseFieldSet;
import gr.cite.tools.fieldset.FieldSet;
import gr.cite.tools.logging.LoggerService;
import gr.cite.tools.logging.MapLogEntry;
import jakarta.persistence.EntityManager;
import jakarta.xml.bind.JAXBException;
import org.jetbrains.annotations.NotNull;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.MessageSource;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.stereotype.Service;
import javax.management.InvalidApplicationException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;
@Service
public class DmpServiceImpl implements DmpService {
private static final LoggerService logger = new LoggerService(LoggerFactory.getLogger(DmpServiceImpl.class));
private final EntityManager entityManager;
private final AuthorizationService authorizationService;
private final DeleterFactory deleterFactory;
private final BuilderFactory builderFactory;
private final QueryFactory queryFactory;
private final ConventionService conventionService;
private final ErrorThesaurusProperties errors;
private final MessageSource messageSource;
private final XmlHandlingService xmlHandlingService;
private final JsonHandlingService jsonHandlingService;
private final UserScope userScope;
private final EventBroker eventBroker;
private final DescriptionService descriptionService;
@Autowired
public DmpServiceImpl(
EntityManager entityManager,
AuthorizationService authorizationService,
DeleterFactory deleterFactory,
BuilderFactory builderFactory,
QueryFactory queryFactory,
ConventionService conventionService,
ErrorThesaurusProperties errors,
MessageSource messageSource,
XmlHandlingService xmlHandlingService,
JsonHandlingService jsonHandlingService,
UserScope userScope, EventBroker eventBroker, DescriptionService descriptionService) {
this.entityManager = entityManager;
this.authorizationService = authorizationService;
this.deleterFactory = deleterFactory;
this.builderFactory = builderFactory;
this.queryFactory = queryFactory;
this.conventionService = conventionService;
this.errors = errors;
this.messageSource = messageSource;
this.xmlHandlingService = xmlHandlingService;
this.jsonHandlingService = jsonHandlingService;
this.userScope = userScope;
this.eventBroker = eventBroker;
this.descriptionService = descriptionService;
}
public Dmp persist(DmpPersist model, FieldSet fields) throws MyForbiddenException, MyValidationException, MyApplicationException, MyNotFoundException, InvalidApplicationException, JsonProcessingException {
this.authorizationService.authorizeForce(Permission.EditDmp);
DmpEntity data = this.patchAndSave(model);
this.patchAndSaveReferences(model.getReferences(), data.getId());
this.patchAndSaveTemplates(model.getDescriptionTemplates(), data.getId());
this.eventBroker.emit(new DmpTouchedEvent(data.getId()));
return this.builderFactory.builder(DmpBuilder.class).authorize(AuthorizationFlags.OwnerOrPermissionOrMemberOrPublic).build(BaseFieldSet.build(fields, Dmp._id, Dmp._hash), data);
}
public void deleteAndSave(UUID id) throws MyForbiddenException, InvalidApplicationException {
logger.debug("deleting dmp: {}", id);
this.authorizationService.authorizeForce(Permission.DeleteDmp);
this.deleterFactory.deleter(DmpDeleter.class).deleteAndSaveByIds(List.of(id));
}
@Override
public Dmp createNewVersion(NewVersionDmpPersist model, FieldSet fields) throws MyForbiddenException, MyValidationException, MyApplicationException, MyNotFoundException, InvalidApplicationException, JAXBException, ParserConfigurationException, JsonProcessingException, TransformerException {
this.authorizationService.authorizeForce(Permission.CreateNewVersionDmp);
DmpEntity oldDmpEntity = this.entityManager.find(DmpEntity.class, model.getId());
if (oldDmpEntity == null) throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{model.getId(), Dmp.class.getSimpleName()}, LocaleContextHolder.getLocale()));
if (!this.conventionService.hashValue(oldDmpEntity.getUpdatedAt()).equals(model.getHash())) throw new MyValidationException(this.errors.getHashConflict().getCode(), this.errors.getHashConflict().getMessage());
DmpQuery latestVersionDmpEntityQuery = this.queryFactory.query(DmpQuery.class).groupIds(oldDmpEntity.getGroupId());
latestVersionDmpEntityQuery.setOrder(new Ordering().addDescending(Dmp._version));
DmpEntity latestVersionDmpEntity = latestVersionDmpEntityQuery.first();
if (!latestVersionDmpEntity.getVersion().equals(oldDmpEntity.getVersion())){
throw new MyValidationException(this.errors.getDmpNewVersionConflict().getCode(), this.errors.getDmpNewVersionConflict().getMessage());
}
DmpEntity newDmp = new DmpEntity();
newDmp.setId(UUID.randomUUID());
newDmp.setIsActive(IsActive.Active);
newDmp.setCreatedAt(Instant.now());
newDmp.setUpdatedAt(Instant.now());
newDmp.setGroupId(oldDmpEntity.getGroupId());
newDmp.setVersion((short)(oldDmpEntity.getVersion() + 1));
newDmp.setDescription(model.getDescription());
newDmp.setLabel(model.getLabel());
newDmp.setLanguage(oldDmpEntity.getLanguage());
newDmp.setStatus(DmpStatus.Draft);
newDmp.setProperties(oldDmpEntity.getProperties());
newDmp.setBlueprint(model.getBlueprintId());
List<DmpUserEntity> dmpUsers = this.queryFactory.query(DmpUserQuery.class)
.dmpIds(model.getId())
.isActives(IsActive.Active)
.collect();
List<DmpReferenceEntity> dmpReferences = this.queryFactory.query(DmpReferenceQuery.class)
.dmpIds(model.getId())
.isActives(IsActive.Active)
.collect();
List<DmpDescriptionTemplateEntity> dmpDescriptionTemplates = this.queryFactory.query(DmpDescriptionTemplateQuery.class)
.dmpIds(model.getId())
.isActive(IsActive.Active)
.collect();
for (DmpUserEntity dmpUser : dmpUsers) {
DmpUserEntity newUser = new DmpUserEntity();
newUser.setId(UUID.randomUUID());
newUser.setDmp(newDmp.getId());
newUser.setUser(dmpUser.getUser());
newUser.setRole(dmpUser.getRole());
newUser.setCreatedAt(Instant.now());
newUser.setUpdatedAt(Instant.now());
newUser.setIsActive(IsActive.Active);
this.entityManager.persist(newUser);
}
for (DmpReferenceEntity dmpReference : dmpReferences) {
DmpReferenceEntity newReference = new DmpReferenceEntity();
newReference.setId(UUID.randomUUID());
newReference.setDmpId(newDmp.getId());
newReference.setReferenceId(dmpReference.getReferenceId());
newReference.setData(dmpReference.getData());
newReference.setCreatedAt(Instant.now());
newReference.setUpdatedAt(Instant.now());
newReference.setIsActive(IsActive.Active);
this.entityManager.persist(newReference);
}
for (DmpDescriptionTemplateEntity dmpDescriptionTemplate : dmpDescriptionTemplates) {
DmpDescriptionTemplateEntity newTemplate = new DmpDescriptionTemplateEntity();
newTemplate.setId(UUID.randomUUID());
newTemplate.setDmpId(newDmp.getId());
newTemplate.setDescriptionTemplateId(dmpDescriptionTemplate.getDescriptionTemplateId());
newTemplate.setSectionId(dmpDescriptionTemplate.getSectionId());
newTemplate.setCreatedAt(Instant.now());
newTemplate.setUpdatedAt(Instant.now());
newTemplate.setIsActive(IsActive.Active);
this.entityManager.persist(newTemplate);
}
for (UUID descriptionId : model.getDescriptions()) {
this.descriptionService.clone(newDmp.getId(), descriptionId);
}
this.entityManager.persist(newDmp);
this.entityManager.flush();
return this.builderFactory.builder(DmpBuilder.class).build(BaseFieldSet.build(fields, Dmp._id), newDmp);
}
@Override
public Dmp buildClone(CloneDmpPersist model, FieldSet fields) throws MyForbiddenException, MyValidationException, MyApplicationException, MyNotFoundException {
this.authorizationService.authorizeForce(Permission.CloneDmp);
DmpEntity existingDmpEntity = this.queryFactory.query(DmpQuery.class).authorize(AuthorizationFlags.OwnerOrPermissionOrMemberOrPublic).ids(model.getId()).firstAs(fields);
if (!this.conventionService.isValidGuid(model.getId()) || existingDmpEntity == null)
throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{model.getId(), Dmp.class.getSimpleName()}, LocaleContextHolder.getLocale()));
DmpEntity newDmp = new DmpEntity();
newDmp.setId(UUID.randomUUID());
newDmp.setIsActive(IsActive.Active);
newDmp.setCreatedAt(Instant.now());
newDmp.setUpdatedAt(Instant.now());
newDmp.setGroupId(UUID.randomUUID());
newDmp.setVersion((short) 1);
newDmp.setDescription(model.getDescription());
newDmp.setLabel(model.getLabel());
newDmp.setLanguage(existingDmpEntity.getLanguage());
newDmp.setStatus(DmpStatus.Draft);
newDmp.setProperties(existingDmpEntity.getProperties());
newDmp.setBlueprint(existingDmpEntity.getBlueprint());
List<DmpUserEntity> dmpUsers = this.queryFactory.query(DmpUserQuery.class)
.dmpIds(model.getId())
.isActives(IsActive.Active)
.collect();
List<DmpReferenceEntity> dmpReferences = this.queryFactory.query(DmpReferenceQuery.class)
.dmpIds(model.getId())
.isActives(IsActive.Active)
.collect();
List<DmpDescriptionTemplateEntity> dmpDescriptionTemplates = this.queryFactory.query(DmpDescriptionTemplateQuery.class)
.dmpIds(model.getId())
.isActive(IsActive.Active)
.collect();
for (DmpUserEntity dmpUser : dmpUsers) {
DmpUserEntity newUser = new DmpUserEntity();
newUser.setId(UUID.randomUUID());
newUser.setDmp(newDmp.getId());
newUser.setUser(dmpUser.getUser());
newUser.setRole(dmpUser.getRole());
newUser.setCreatedAt(Instant.now());
newUser.setUpdatedAt(Instant.now());
newUser.setIsActive(IsActive.Active);
this.entityManager.persist(newUser);
}
for (DmpReferenceEntity dmpReference : dmpReferences) {
DmpReferenceEntity newReference = new DmpReferenceEntity();
newReference.setId(UUID.randomUUID());
newReference.setDmpId(newDmp.getId());
newReference.setReferenceId(dmpReference.getReferenceId());
newReference.setData(dmpReference.getData());
newReference.setCreatedAt(Instant.now());
newReference.setUpdatedAt(Instant.now());
newReference.setIsActive(IsActive.Active);
this.entityManager.persist(newReference);
}
for (DmpDescriptionTemplateEntity dmpDescriptionTemplate : dmpDescriptionTemplates) {
DmpDescriptionTemplateEntity newTemplate = new DmpDescriptionTemplateEntity();
newTemplate.setId(UUID.randomUUID());
newTemplate.setDmpId(newDmp.getId());
newTemplate.setDescriptionTemplateId(dmpDescriptionTemplate.getDescriptionTemplateId());
newTemplate.setSectionId(dmpDescriptionTemplate.getSectionId());
newTemplate.setCreatedAt(Instant.now());
newTemplate.setUpdatedAt(Instant.now());
newTemplate.setIsActive(IsActive.Active);
this.entityManager.persist(newTemplate);
}
this.entityManager.flush();
DmpEntity resultingDmpEntity = this.queryFactory.query(DmpQuery.class).ids(newDmp.getId()).firstAs(fields);
return this.builderFactory.builder(DmpBuilder.class).build(fields, resultingDmpEntity);
}
@Override
public List<DmpUserEntity> assignUsers(UUID dmp, List<DmpUserPersist> model, FieldSet fieldSet) throws InvalidApplicationException {
this.authorizationService.authorizeForce(Permission.AssignDmpUsers);
List<DmpUserEntity> existingUsers = this.queryFactory.query(DmpUserQuery.class)
.dmpIds(dmp)
.isActives(IsActive.Active)
.collect();
for (DmpUserPersist dmpUser : model) {
if (checkUserRoleIfExists(existingUsers, dmp, dmpUser.getUser(), dmpUser.getRole()))
continue;
DmpUserEntity newUser = new DmpUserEntity();
newUser.setId(UUID.randomUUID());
newUser.setDmp(dmp);
newUser.setUser(dmpUser.getUser());
newUser.setRole(dmpUser.getRole());
newUser.setCreatedAt(Instant.now());
newUser.setUpdatedAt(Instant.now());
newUser.setIsActive(IsActive.Active);
this.entityManager.persist(newUser);
}
//If there are still dmp user associations here this means that they were not included in the persist model, so they have to be deleted
if (!existingUsers.isEmpty())
this.deleterFactory.deleter(DmpUserDeleter.class).delete(existingUsers);
this.entityManager.flush();
return this.queryFactory.query(DmpUserQuery.class)
.dmpIds(dmp)
.isActives(IsActive.Active)
.collect();
}
private DmpEntity patchAndSave(DmpPersist model) throws JsonProcessingException, InvalidApplicationException {
Boolean isUpdate = this.conventionService.isValidGuid(model.getId());
DmpEntity data;
DmpUserEntity dmpUserEntity = new DmpUserEntity();
if (isUpdate) {
data = this.entityManager.find(DmpEntity.class, model.getId());
if (data == null) throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{model.getId(), Dmp.class.getSimpleName()}, LocaleContextHolder.getLocale()));
if (!this.conventionService.hashValue(data.getUpdatedAt()).equals(model.getHash())) throw new MyValidationException(this.errors.getHashConflict().getCode(), this.errors.getHashConflict().getMessage());
if (model.getStatus() != null && model.getStatus() == DmpStatus.Finalized && data.getStatus() != DmpStatus.Finalized) {
this.authorizationService.authorizeForce(Permission.FinalizeDmp);
data.setStatus(model.getStatus());
data.setFinalizedAt(Instant.now());
}
} else {
data = new DmpEntity();
data.setId(UUID.randomUUID());
data.setGroupId(UUID.randomUUID());
data.setVersion((short) 1);
data.setStatus(DmpStatus.Draft);
data.setCreator(userScope.getUserId());
data.setBlueprint(model.getBlueprint());
data.setIsActive(IsActive.Active);
data.setCreatedAt(Instant.now());
dmpUserEntity.setId(UUID.randomUUID());
dmpUserEntity.setDmp(data.getId());
dmpUserEntity.setUser(userScope.getUserId());
dmpUserEntity.setRole(DmpUserRole.Owner);
dmpUserEntity.setCreatedAt(Instant.now());
dmpUserEntity.setUpdatedAt(Instant.now());
dmpUserEntity.setIsActive(IsActive.Active);
}
data.setLabel(model.getLabel());
data.setProperties(this.jsonHandlingService.toJson(model.getProperties()));
data.setDescription(model.getDescription());
data.setAccessType(model.getAccessType());
data.setUpdatedAt(Instant.now());
if (isUpdate)
this.entityManager.merge(data);
else {
this.entityManager.persist(data);
this.entityManager.persist(dmpUserEntity);
}
this.entityManager.flush();
return data;
}
private void patchAndSaveReferences(List<DmpReferencePersist> models, UUID dmpId) throws InvalidApplicationException {
if (models == null || models.isEmpty())
return;
List<DmpReferenceEntity> references = this.queryFactory.query(DmpReferenceQuery.class).dmpIds(dmpId).collect();
Map<UUID, List<DmpReferenceEntity>> referencesLookup = this.conventionService.toDictionaryOfList(references, DmpReferenceEntity::getDmpId);
List<ReferenceEntity> existingReferences;
if (referencesLookup.containsKey(dmpId))
existingReferences = this.queryFactory.query(ReferenceQuery.class).ids(referencesLookup.get(dmpId).stream().map(DmpReferenceEntity::getId).toList()).collect();
else
existingReferences = new ArrayList<>();
List<UUID> updatedReferencesIds = models.stream().map(x -> x.getReference().getId()).filter(this.conventionService::isValidGuid).distinct().toList();
List<ReferenceEntity> toDelete = existingReferences.stream().filter(x -> !updatedReferencesIds.contains(x.getId())).toList();
List<DmpReferenceEntity> dmpReferenceRecordsToDelete = this.queryFactory.query(DmpReferenceQuery.class).referenceIds(toDelete.stream().map(ReferenceEntity::getId).toList()).collect();
this.deleterFactory.deleter(DmpReferenceDeleter.class).delete(dmpReferenceRecordsToDelete);
Map<UUID, ReferenceEntity> existingReferencesLookup = existingReferences.stream().collect(Collectors.toMap(ReferenceEntity::getId, x -> x));
for (DmpReferencePersist model : models) {
ReferencePersist referenceModel = model.getReference();
Boolean isUpdate = this.conventionService.isValidGuid(referenceModel.getId());
ReferenceEntity data;
if (isUpdate) {
if (!existingReferencesLookup.containsKey(referenceModel.getId()))
throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{referenceModel.getId(), Reference.class.getSimpleName()}, LocaleContextHolder.getLocale()));
data = existingReferencesLookup.get(referenceModel.getId());
if (data == null)
throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{referenceModel.getId(), Reference.class.getSimpleName()}, LocaleContextHolder.getLocale()));
if (!this.conventionService.hashValue(data.getUpdatedAt()).equals(referenceModel.getHash()))
throw new MyValidationException(this.errors.getHashConflict().getCode(), this.errors.getHashConflict().getMessage());
} else {
data = new ReferenceEntity();
data.setId(UUID.randomUUID());
data.setIsActive(IsActive.Active);
data.setCreatedAt(Instant.now());
DmpReferenceEntity dmpReference = new DmpReferenceEntity();
dmpReference.setReferenceId(data.getId());
dmpReference.setDmpId(dmpId);
dmpReference.setCreatedAt(Instant.now());
dmpReference.setUpdatedAt(Instant.now());
dmpReference.setIsActive(IsActive.Active);
dmpReference.setData(model.getData());
this.entityManager.persist(dmpReference);
}
data.setDefinition(this.xmlHandlingService.toXmlSafe(this.buildDefinitionEntity(referenceModel.getDefinition())));
data.setUpdatedAt(Instant.now());
data.setReference(referenceModel.getReference());
data.setAbbreviation(referenceModel.getAbbreviation());
data.setSource(referenceModel.getSource());
data.setSourceType(referenceModel.getSourceType());
if (isUpdate)
this.entityManager.merge(data);
else
this.entityManager.persist(data);
}
this.entityManager.flush();
}
private void patchAndSaveTemplates(List<DmpDescriptionTemplatePersist> models, UUID dmpId) throws InvalidApplicationException {
if (models == null || models.isEmpty())
return;
List<DmpDescriptionTemplateEntity> templates = this.queryFactory.query(DmpDescriptionTemplateQuery.class).dmpIds(dmpId).collect();
Map<UUID, List<DmpDescriptionTemplateEntity>> templatesLookup = this.conventionService.toDictionaryOfList(templates, DmpDescriptionTemplateEntity::getDmpId);
List<DescriptionTemplateEntity> existingTemplates;
if (templatesLookup.containsKey(dmpId))
existingTemplates = this.queryFactory.query(DescriptionTemplateQuery.class).ids(templatesLookup.get(dmpId).stream().map(DmpDescriptionTemplateEntity::getId).toList()).collect();
else existingTemplates = new ArrayList<>();
List<UUID> updatedTemplatesIds = models.stream().map(DmpDescriptionTemplatePersist::getDescriptionTemplate).filter(this.conventionService::isValidGuid).distinct().toList();
List<DescriptionTemplateEntity> toDelete = existingTemplates.stream().filter(x -> !updatedTemplatesIds.contains(x.getId())).toList();
List<DmpDescriptionTemplateEntity> dmpDescriptionTemplateRecordsToDelete = this.queryFactory.query(DmpDescriptionTemplateQuery.class).descriptionTemplateIds(toDelete.stream().map(DescriptionTemplateEntity::getId).toList()).collect();
this.deleterFactory.deleter(DmpDescriptionTemplateDeleter.class).delete(dmpDescriptionTemplateRecordsToDelete);
for (DmpDescriptionTemplatePersist model : models) {
boolean shouldAdd = existingTemplates.stream().noneMatch(x -> x.getId().equals(model.getDescriptionTemplate()));
if (shouldAdd) {
DmpDescriptionTemplateEntity dmpTemplate = new DmpDescriptionTemplateEntity();
dmpTemplate.setDescriptionTemplateId(model.getDescriptionTemplate());
dmpTemplate.setDmpId(dmpId);
dmpTemplate.setSectionId(model.getSectionId());
dmpTemplate.setCreatedAt(Instant.now());
dmpTemplate.setUpdatedAt(Instant.now());
dmpTemplate.setIsActive(IsActive.Active);
this.entityManager.persist(dmpTemplate);
}
}
this.entityManager.flush();
}
private @NotNull DefinitionEntity buildDefinitionEntity(DefinitionPersist persist){
DefinitionEntity data = new DefinitionEntity();
if (persist == null) return data;
if (!this.conventionService.isListNullOrEmpty(persist.getFields())){
data.setFields(new ArrayList<>());
for (FieldPersist fieldPersist: persist.getFields()) {
data.getFields().add(this.buildFieldEntity(fieldPersist));
}
}
return data;
}
private @NotNull FieldEntity buildFieldEntity(FieldPersist persist){
FieldEntity data = new FieldEntity();
if (persist == null) return data;
data.setCode(persist.getCode());
data.setDataType(persist.getDataType());
data.setCode(persist.getCode());
return data;
}
private boolean checkUserRoleIfExists(List<DmpUserEntity> dmpUserEntities, UUID dmp, UUID user, DmpUserRole role) {
for (DmpUserEntity dmpUser : dmpUserEntities) {
if (dmpUser.getDmp().equals(dmp) && dmpUser.getUser().equals(user) && dmpUser.getRole() == role) {
dmpUserEntities.remove(dmpUser);
return true;
};
}
return false;
}
}