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/**
 * Copyright (C) 2015 BonitaSoft S.A.
 * BonitaSoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library 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 Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.engine.profile;

import java.util.Collections;
import java.util.List;

import org.bonitasoft.engine.commons.exceptions.SBonitaException;
import org.bonitasoft.engine.exception.ExecutionException;
import org.bonitasoft.engine.persistence.FilterOption;
import org.bonitasoft.engine.persistence.OrderByOption;
import org.bonitasoft.engine.persistence.OrderByType;
import org.bonitasoft.engine.persistence.QueryOptions;
import org.bonitasoft.engine.profile.builder.SProfileBuilderFactory;
import org.bonitasoft.engine.profile.impl.ExportedProfile;
import org.bonitasoft.engine.profile.model.SProfile;

/**
 * @author Baptiste Mesta
 */
public class DeleteExistingImportStrategy extends ProfileImportStrategy {

    public DeleteExistingImportStrategy(final ProfileService profileService) {
        super(profileService);
    }

    @Override
    public void beforeImport() throws ExecutionException {
        final QueryOptions queryOptions = new QueryOptions(0, 100, Collections.singletonList(new OrderByOption(SProfile.class,
                SProfileBuilderFactory.NAME, OrderByType.ASC)), Collections. emptyList(), null);
        // delete all profiles
        try {
            List profiles;
            do {
                profiles = getProfileService().searchProfiles(queryOptions);

                for (final SProfile sProfile : profiles) {
                    getProfileService().deleteProfile(sProfile);
                }
            } while (!profiles.isEmpty());
        } catch (final SBonitaException e) {
            throw new ExecutionException(e);
        }
    }

    @Override
    public SProfile whenProfileExists(final long importerId, final ExportedProfile exportedProfile, final SProfile existingProfile) {
        // nothing to do because we deleted all profiles
        return null;
    }

    @Override
    public boolean canCreateProfileIfNotExists(final ExportedProfile exportedProfile) {
        return true;
    }

    @Override
    public boolean shouldUpdateProfileEntries(ExportedProfile exportedProfile, SProfile existingProfile) {
        return false;
    }

}