EDIT

/**

* Copyright (C) 2009 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.database.update.v31_33;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.UUID;

import org.apache.log4j.Logger;

import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;

import eu.etaxonomy.cdm.database.ICdmDataSource;

import eu.etaxonomy.cdm.database.update.CaseType;

import eu.etaxonomy.cdm.database.update.ITermUpdaterStep;

import eu.etaxonomy.cdm.database.update.SchemaUpdaterStepBase;

/**

 * @author a.mueller

 * @date 15.12.2013

 */

public class SpecimenMediaMoverUpdater extends SchemaUpdaterStepBase<SpecimenMediaMoverUpdater> implements ITermUpdaterStep{

	private static final Logger logger = Logger.getLogger(SpecimenMediaMoverUpdater.class);

	private static final String stepName = "Update rank class values";

// **************************** STATIC METHODS ********************************/

	public static final SpecimenMediaMoverUpdater NewInstance(){

		return new SpecimenMediaMoverUpdater(stepName);	

	}

	protected SpecimenMediaMoverUpdater(String stepName) {

		super(stepName);

	}

	@Override

	public Integer invoke(ICdmDataSource datasource, IProgressMonitor monitor, CaseType caseType) throws SQLException {

		try {

			Integer featureId = null;

			//get existing media

			String sql = caseType.replaceTableNames(

					" SELECT SpecimenOrObservationBase_id, media_id " +

					" FROM @@SpecimenOrObservationBase_Media@@");

			ResultSet rs = datasource.executeQuery(sql); 

			while (rs.next()){

				if (featureId == null){

					featureId = getFeatureId(datasource, caseType);

				}

				Integer specimenId = rs.getInt("SpecimenOrObservationBase_id");

				Integer mediaId = rs.getInt("media_id");

				//image gallery

				Number galleryId = getOrCreateImageGallery(datasource, monitor, specimenId, caseType);

				//textData

				Number textDataId = getOrCreateTextData(datasource, monitor, galleryId, featureId, caseType);

				//sortIndex

				Number sortIndex = getSortIndex(datasource, monitor, textDataId, mediaId, caseType);

				//insert

				sql = caseType.replaceTableNames(

						" INSERT INTO @@DescriptionElementBase_Media@@" +

								" (DescriptionElementBase_id, media_id, sortIndex) " +

						" VALUES (%d, %d, %d)");

				sql = String.format(sql, textDataId, mediaId, sortIndex);

				datasource.executeUpdate(sql);

			}

			return 0;

		} catch (Exception e) {

			monitor.warning(e.getMessage(), e);

			logger.warn(e.getMessage());

			return null;

		}

	}

	private Integer getFeatureId(ICdmDataSource datasource, CaseType caseType) throws SQLException {

		String sql = caseType.replaceTableNames(

				" SELECT id " +

				" FROM @@DefinedTermBase@@ " +

				" WHERE uuid = '84193b2c-327f-4cce-90ef-c8da18fd5bb5'");

		return (Integer)datasource.getSingleValue(sql);

	}

	private Number getSortIndex(ICdmDataSource datasource, IProgressMonitor monitor, Number textDataId, Integer mediaId, CaseType caseType) throws SQLException {

		String sql = caseType.replaceTableNames(

				" SELECT max(sortIndex) " +

				" FROM @@DescriptionElementBase_Media@@ MN " +

				" WHERE MN.DescriptionElementBase_id = "+textDataId+" AND MN.media_id = " + mediaId);

		Number sortIndex = (Long)datasource.getSingleValue(sql);

		if (sortIndex == null){

			sortIndex = 0;

		}

		return sortIndex;

	}

	private Number getOrCreateTextData(ICdmDataSource datasource, IProgressMonitor monitor, Number galleryId, Integer featureId, CaseType caseType) throws SQLException {

		String sql = caseType.replaceTableNames(

				" SELECT deb.id " + 

				" FROM @@DescriptionElementBase@@ deb " +

				" WHERE deb.DTYPE = 'TextData' AND feature_id = "+ featureId +" AND deb.indescription_id = " + galleryId);

		Number textDataId = (Integer)datasource.getSingleValue(sql);

		if (textDataId == null){

			sql = caseType.replaceTableNames(

					" SELECT max(id)+1 FROM @@DescriptionElementBase@@ ");

			textDataId = (Long)datasource.getSingleValue(sql);

			sql = caseType.replaceTableNames(

					" INSERT INTO @@DescriptionElementBase@@ (DTYPE, id, created, uuid, feature_id, indescription_id)  " +

					" VALUES  ('TextData', %d, '%s', '%s', %d, %d) ");

			sql = String.format(sql, textDataId, this.getNowString(), UUID.randomUUID().toString(), featureId, galleryId);

			datasource.executeUpdate(sql);

		}

		return textDataId;

	}

	private Number getOrCreateImageGallery(ICdmDataSource datasource, IProgressMonitor monitor, Integer specimenId, CaseType caseType) throws SQLException {

		String sql = caseType.replaceTableNames(

				" SELECT  db.id " + 

				" FROM @@DescriptionBase@@ db " +

				" WHERE db.imagegallery = True AND db.specimen_id = " + specimenId);

		Number descriptionId = (Number)datasource.getSingleValue(sql);

		if (descriptionId == null){

			sql = caseType.replaceTableNames(

					" SELECT max(id)+1 FROM @@DescriptionBase@@ ");

			descriptionId = (Long)datasource.getSingleValue(sql);

			sql = caseType.replaceTableNames(

					" INSERT INTO @@DescriptionBase@@ (DTYPE, id, created, uuid, protectedtitlecache, titleCache, imagegallery, specimen_id) " +

					" VALUES ('SpecimenDescription',  %d, '%s', '%s', 1, 'Specimenimage(s) moved for schema update', 1, %d) ");

			sql = String.format(sql, descriptionId, this.getNowString(), UUID.randomUUID().toString(), specimenId);

			datasource.executeUpdate(sql);

		}

		return descriptionId;

	}

}