/*
* Computoser is a music-composition algorithm and a website to present the results
* Copyright (C) 2012-2014 Bozhidar Bozhanov
*
* Computoser is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Computoser 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Computoser. If not, see <http://www.gnu.org/licenses/>.
*/
package com.music.service;
import java.io.File;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;
import javax.inject.Inject;
import jm.music.data.Score;
import jm.util.Read;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jmx.export.annotation.ManagedOperation;
import org.springframework.jmx.export.annotation.ManagedResource;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
import com.music.MainPartGenerator;
import com.music.dao.PieceDao;
import com.music.model.InstrumentGroups;
import com.music.model.PartType;
import com.music.model.persistent.Piece;
import com.music.model.prefs.Tempo;
import com.music.scheduled.BackupJob;
import com.music.scheduled.FeedGenerator;
import com.music.scheduled.PieceDigestSendingJob;
@ManagedResource
@Component
public class ManagementService {
private static final Logger logger = LoggerFactory.getLogger(ManagementService.class);
@Inject
private BackupJob backupJob;
@Inject
private PieceDigestSendingJob digestSendingJob;
@Inject
private FeedGenerator feedGenerator;
@Inject
private PieceService pieceService;
@Inject
private PurchaseService purchaseService;
@Inject
private PieceDao dao;
@Async
@ManagedOperation
public void backup() {
backupJob.run();
}
@ManagedOperation
@Async
public void sendDailyEmails() {
digestSendingJob.sendEmails();
}
@ManagedOperation
@Async
public void generateFeed() {
feedGenerator.triggerFeedGeneration();
}
@ManagedOperation
@Async
public void resendPurchaseEmail(long purchaseId) {
purchaseService.resentPurchaseEmail(purchaseId);
}
@ManagedOperation
@Async
@Transactional
public void fillTempo() {
List<Piece> pieces = dao.listOrdered(Piece.class, "id");
for (Piece piece : pieces) {
piece.getIntermediateDecisions().setTempoType(Tempo.forValue(piece.getTempo()));
dao.persist(piece);
}
}
@ManagedOperation
@Async
@Transactional
public void fillElectronic() {
List<Piece> pieces = dao.listOrdered(Piece.class, "id");
for (Piece piece : pieces) {
piece.getIntermediateDecisions().setElectronic(
piece.getParts().contains(PartType.PAD1.toString())
|| Arrays.binarySearch(InstrumentGroups.ELECTRONIC_MAIN_PART_ONLY_INSTRUMENTS,
piece.getMainInstrument()) > -1);
dao.persist(piece);
}
}
@ManagedOperation
@Async
public void fillVariation() {
List<Piece> pieces = dao.listOrdered(Piece.class, "id");
for (Piece piece : pieces) {
try {
InputStream is = pieceService.getPieceMidiFile(piece.getId());
byte[] midi = IOUtils.toByteArray(is);
File tmp = File.createTempFile("tmp", "mid");
FileUtils.writeByteArrayToFile(tmp, midi);
Score score = new Score();
Read.midi(score, tmp.getAbsolutePath());
double variation = MainPartGenerator.calculateVariation(score.getPart(0));
piece.setVariation(variation);
pieceService.save(piece);
tmp.delete();
} catch (Exception ex) {
logger.error("Problem seting variety", ex);
}
}
}
}