EDIT

/**

* Copyright (C) 2018 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.service;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import java.util.Set;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.api.application.CdmRepository;

import eu.etaxonomy.cdm.format.ReferenceEllypsisFormatter;

import eu.etaxonomy.cdm.model.name.TaxonName;

import eu.etaxonomy.cdm.model.reference.Reference;

import eu.etaxonomy.cdm.model.reference.ReferenceType;

import eu.etaxonomy.cdm.persistence.dao.common.Restriction;

import eu.etaxonomy.cdm.persistence.query.MatchMode;

import eu.etaxonomy.cdm.persistence.query.OrderHint;

import eu.etaxonomy.cdm.persistence.query.OrderHint.SortOrder;

/**

 * @author a.kohlbecker

 * @since Jun 7, 2018

 *

 */

@Component

public class CdmFilterablePagingProviderFactory {

    @Autowired

    @Qualifier("cdmRepository")

    private CdmRepository repo;

    public CdmFilterablePagingProvider<Reference, Reference> referencePagingProvider() {

        return inReferencePagingProvider(null, false);

    }

    /**

     *

     * @param subReferenceType

     *            the type of the reference for which to the paging provider is

     *            to be created

     * @param includeUnspecificTypes

     *            Whether to include references with the types

     *            {@link ReferenceType.Generic Generic} and {@code null},

     * @return

     */

    public CdmFilterablePagingProvider<Reference, Reference> inReferencePagingProvider(ReferenceType subReferenceType,

            boolean includeUnspecificTypes) {

        List<OrderHint> referenceOrderHints = new ArrayList<OrderHint>();

        referenceOrderHints.add(OrderHint.ORDER_BY_TITLE_CACHE);

        referenceOrderHints.add(new OrderHint("issn", SortOrder.ASCENDING));

        referenceOrderHints.add(new OrderHint("isbn", SortOrder.ASCENDING));

        CdmFilterablePagingProvider<Reference, Reference> pagingProvider = new CdmFilterablePagingProvider<Reference, Reference>(

                repo.getReferenceService(), MatchMode.ANYWHERE, referenceOrderHints);

        Set<ReferenceType> inRefTypes = subReferenceType.inReferenceContraints(subReferenceType);

        if (!inRefTypes.isEmpty()) {

            if (includeUnspecificTypes) {

                inRefTypes.add(ReferenceType.Generic);

                inRefTypes.add(null);

            }

            pagingProvider.addRestriction(new Restriction<ReferenceType>("type", null,

                    inRefTypes.toArray(new ReferenceType[inRefTypes.size()])));

        }

        // using the ReferenceEllypsisFormatter initstrategy since using the ReferenceEllypsisCaptionGenerator should be default

        // for all views and UIs

        pagingProvider.setInitStrategy(ReferenceEllypsisFormatter.INIT_STRATEGY);

        return pagingProvider;

    }

    public TypifiedEntityFilterablePagingProvider<Reference> referenceEntityReferencePagingProvider(

            ReferenceEllypsisFormatter labelProvider, List<String> initStrategy) {

        List<OrderHint> referenceOrderHints = new ArrayList<OrderHint>();

        referenceOrderHints.add(OrderHint.ORDER_BY_TITLE_CACHE);

        referenceOrderHints.add(new OrderHint("issn", SortOrder.ASCENDING));

        referenceOrderHints.add(new OrderHint("isbn", SortOrder.ASCENDING));

        TypifiedEntityFilterablePagingProvider<Reference> pagingProvider = new TypifiedEntityFilterablePagingProvider<Reference>(

                repo.getReferenceService(), MatchMode.BEGINNING, referenceOrderHints, labelProvider);

        pagingProvider.setInitStrategy(initStrategy);

        return pagingProvider;

    }

    public CdmFilterablePagingProvider<TaxonName, TaxonName> taxonNamesWithoutOrthophicIncorrect() {

        CdmFilterablePagingProvider<TaxonName, TaxonName> pagingProvider = new CdmFilterablePagingProvider<TaxonName, TaxonName>(

                repo.getNameService());

        pagingProvider.setInitStrategy(

                Arrays.asList("registrations", "nomenclaturalReference", "nomenclaturalReference.inReference"));

        // pagingProvider.addRestriction(new

        // Restriction<>("relationsFromThisName.type", Operator.AND_NOT, null,

        // NameRelationshipType.ORTHOGRAPHIC_VARIANT()));

        return pagingProvider;

    }

}