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Diffstat (limited to 'src/org/traccar/reports/Summary.java')
-rw-r--r-- | src/org/traccar/reports/Summary.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/org/traccar/reports/Summary.java b/src/org/traccar/reports/Summary.java new file mode 100644 index 000000000..474562002 --- /dev/null +++ b/src/org/traccar/reports/Summary.java @@ -0,0 +1,66 @@ +package org.traccar.reports; + +import java.math.BigDecimal; +import java.math.RoundingMode; +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.reports.model.SummaryReport; +import org.traccar.web.CsvBuilder; +import org.traccar.web.JsonConverter; + +public final class Summary { + + private Summary() { + } + + private static SummaryReport calculateGeneralResult(long deviceId, Date from, Date to) throws SQLException { + SummaryReport result = new SummaryReport(); + 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()); + result.setDistance(new BigDecimal(result.getDistance()).setScale(2, RoundingMode.HALF_UP).doubleValue()); + } + 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.getDeviceList(deviceIds, groupIds)) { + Context.getPermissionsManager().checkDevice(userId, deviceId); + json.add(String.valueOf(deviceId), JsonConverter.objectToJson(calculateGeneralResult(deviceId, from, to))); + } + return json.build().toString(); + } + + public static String getCsv(long userId, Collection<Long> deviceIds, Collection<Long> groupIds, + Date from, Date to) throws SQLException { + CsvBuilder csv = new CsvBuilder(); + csv.addHeaderLine(new SummaryReport()); + for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) { + Context.getPermissionsManager().checkDevice(userId, deviceId); + csv.addLine(calculateGeneralResult(deviceId, from, to)); + } + return csv.build(); + } +} |