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Diffstat (limited to 'src/org/traccar/reports/General.java')
-rw-r--r-- | src/org/traccar/reports/General.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/org/traccar/reports/General.java b/src/org/traccar/reports/General.java new file mode 100644 index 000000000..bcf2312b2 --- /dev/null +++ b/src/org/traccar/reports/General.java @@ -0,0 +1,103 @@ +package org.traccar.reports; + +import java.sql.SQLException; +import java.util.Collection; +import java.util.Date; + +import javax.json.Json; +import javax.json.JsonObjectBuilder; + +import org.traccar.Context; +import org.traccar.helper.DistanceCalculator; +import org.traccar.model.Position; +import org.traccar.web.CsvBuilder; +import org.traccar.web.JsonConverter; + +public final class General { + + private General() { + } + + public static class GeneralResult { + + private String deviceName; + public String getDeviceName() { + return deviceName; + } + public void setDeviceName(String deviceName) { + this.deviceName = deviceName; + } + + private double distance = 0; + public double getDistance() { + return distance; + } + public void setDistance(double distance) { + this.distance = distance; + } + + public void addDistance(double distance) { + this.distance += distance; + } + + private double averageSpeed = 0; + public double getAverageSpeed() { + return averageSpeed; + } + public void setAverageSpeed(double averageSpeed) { + this.averageSpeed = averageSpeed; + } + + private double maxSpeed = 0; + public double getMaxSpeed() { + return maxSpeed; + } + public void setMaxSpeed(double maxSpeed) { + if (maxSpeed > this.maxSpeed) { + this.maxSpeed = maxSpeed; + } + } + } + + private static GeneralResult calculateGeneralResult(long deviceId, Date from, Date to) throws SQLException { + GeneralResult result = new GeneralResult(); + Collection<Position> positions = Context.getDataManager().getPositions(deviceId, from, to); + if (positions != null && !positions.isEmpty()) { + result.setDeviceName(Context.getDeviceManager().getDeviceById(deviceId).getName()); + Position previousPosition = null; + double speedSum = 0; + for (Position position : positions) { + if (previousPosition != null) { + result.addDistance(DistanceCalculator.distance(previousPosition.getLatitude(), + previousPosition.getLongitude(), position.getLatitude(), position.getLongitude())); + } + previousPosition = position; + speedSum += position.getSpeed(); + result.setMaxSpeed(position.getSpeed()); + } + result.setAverageSpeed(speedSum / positions.size()); + } + return result; + } + + public static String getJson(long userId, Collection<Long> deviceIds, Collection<Long> groupIds, + Date from, Date to) throws SQLException { + JsonObjectBuilder json = Json.createObjectBuilder(); + for (long deviceId: ReportUtils.getReportedDevices(deviceIds, groupIds)) { + Context.getPermissionsManager().checkDevice(userId, deviceId); + json.add(String.valueOf(deviceId), JsonConverter.objectToJson(calculateGeneralResult(deviceId, from, to))); + } + return json.build().toString(); + } + + public static byte[] getCsv(long userId, Collection<Long> deviceIds, Collection<Long> groupIds, + Date from, Date to) throws SQLException { + CsvBuilder csv = new CsvBuilder(); + for (long deviceId: ReportUtils.getReportedDevices(deviceIds, groupIds)) { + Context.getPermissionsManager().checkDevice(userId, deviceId); + csv.addHeaderLine(new GeneralResult()); + csv.addLine(calculateGeneralResult(deviceId, from, to)); + } + return csv.get(); + } +} |