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/*
* Copyright 2024 Anton Tananaev (anton@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.reports;
import jakarta.inject.Inject;
import org.jxls.util.JxlsHelper;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.helper.model.PositionUtil;
import org.traccar.model.Device;
import org.traccar.model.Message;
import org.traccar.model.User;
import org.traccar.reports.common.ReportUtils;
import org.traccar.reports.model.DeviceReportItem;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Request;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.stream.Collectors;
public class DevicesReportProvider {
private final Config config;
private final ReportUtils reportUtils;
private final Storage storage;
@Inject
public DevicesReportProvider(Config config, ReportUtils reportUtils, Storage storage) {
this.config = config;
this.reportUtils = reportUtils;
this.storage = storage;
}
public Collection<DeviceReportItem> getObjects(long userId) throws StorageException {
var positions = PositionUtil.getLatestPositions(storage, userId).stream()
.collect(Collectors.toMap(Message::getDeviceId, p -> p));
return storage.getObjects(Device.class, new Request(
new Columns.All(),
new Condition.Permission(User.class, userId, Device.class))).stream()
.map(device -> new DeviceReportItem(device, positions.get(device.getId())))
.collect(Collectors.toUnmodifiableList());
}
public void getExcel(OutputStream outputStream, long userId) throws StorageException, IOException {
File file = Paths.get(config.getString(Keys.TEMPLATES_ROOT), "export", "devices.xlsx").toFile();
try (InputStream inputStream = new FileInputStream(file)) {
var context = reportUtils.initializeContext(userId);
context.putVar("items", getObjects(userId));
JxlsHelper.getInstance().setUseFastFormulaProcessor(false)
.processTemplate(inputStream, outputStream, context);
}
}
}
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