Merge pull request #2228 from Abyss777/reports_trips

Implement trips reports

1 files changed, 160 insertions, 0 deletions

diff --git a/src/org/traccar/reports/Trips.java b/src/org/traccar/reports/Trips.java
new file mode 100644
index 000000000..b661ffffa
--- /dev/null
+++ b/src/org/traccar/reports/Trips.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2016 Andrey Kunitsyn (abyss@fox5.ru)
+ *
+ * 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 java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+
+import javax.json.Json;
+import javax.json.JsonArrayBuilder;
+
+import org.traccar.Context;
+import org.traccar.model.Position;
+import org.traccar.reports.model.TripReport;
+import org.traccar.web.CsvBuilder;
+import org.traccar.web.JsonConverter;
+
+public final class Trips {
+
+    private Trips() {
+    }
+
+    private static TripReport calculateTrip(ArrayList<Position> positions, int startIndex, int endIndex) {
+        Position startTrip = positions.get(startIndex);
+        Position endTrip = positions.get(endIndex);
+
+        double speedMax = 0.0;
+        double speedSum = 0.0;
+        for (int i = startIndex; i <= endIndex; i++) {
+            double speed = positions.get(i).getSpeed();
+            speedSum += speed;
+            if (speed > speedMax) {
+                speedMax = speed;
+            }
+        }
+
+        TripReport trip = new TripReport();
+        long tripDuration = endTrip.getFixTime().getTime() - positions.get(startIndex).getFixTime().getTime();
+        long deviceId = startTrip.getDeviceId();
+        trip.setDeviceId(deviceId);
+        String deviceName = Context.getDeviceManager().getDeviceById(deviceId).getName();
+        trip.setDeviceName(deviceName);
+        trip.setStartPositionId(startTrip.getId());
+        trip.setStartTime(startTrip.getFixTime());
+        trip.setStartAddress(startTrip.getAddress());
+        trip.setEndPositionId(endTrip.getId());
+        trip.setEndTime(endTrip.getFixTime());
+        trip.setEndAddress(endTrip.getAddress());
+        trip.setDistance(ReportUtils.calculateDistance(startTrip, endTrip));
+        trip.setDuration(tripDuration);
+        trip.setAverageSpeed(speedSum / (endIndex - startIndex));
+        trip.setMaxSpeed(speedMax);
+        trip.setSpentFuel(ReportUtils.calculateFuel(startTrip, endTrip));
+
+        return trip;
+    }
+
+    private static Collection<TripReport> detectTrips(long deviceId, Date from, Date to) throws SQLException {
+        double speedThreshold = Context.getConfig().getDouble("event.motion.speedThreshold", 0.01);
+        long minimalTripDuration = Context.getConfig().getLong("report.trip.minimalTripDuration", 300) * 1000;
+        double minimalTripDistance = Context.getConfig().getLong("report.trip.minimalTripDistance", 500);
+        long minimalParkingDuration = Context.getConfig().getLong("report.trip.minimalParkingDuration", 300) * 1000;
+        Collection<TripReport> result = new ArrayList<>();
+
+        ArrayList<Position> positions = new ArrayList<>(Context.getDataManager().getPositions(deviceId, from, to));
+        if (positions != null && !positions.isEmpty()) {
+            int previousStartParkingIndex = 0;
+            int startParkingIndex = -1;
+            int previousEndParkingIndex = 0;
+            int endParkingIndex = 0;
+
+            boolean isMoving = false;
+            boolean isLast = false;
+            boolean skipped = false;
+            boolean tripFiltered = false;
+
+            for (int i = 0; i < positions.size(); i++) {
+                isMoving = positions.get(i).getSpeed() > speedThreshold;
+                isLast = i == positions.size() - 1;
+
+                if ((isMoving || isLast) && startParkingIndex != -1) {
+                    if (!skipped || previousEndParkingIndex == 0) {
+                        previousEndParkingIndex = endParkingIndex;
+                    }
+                    endParkingIndex = i;
+                }
+                if (!isMoving && startParkingIndex == -1) {
+                    long tripDuration = positions.get(i).getFixTime().getTime()
+                            - positions.get(endParkingIndex).getFixTime().getTime();
+                    double tripDistance = ReportUtils.calculateDistance(positions.get(endParkingIndex),
+                            positions.get(i), false);
+                    tripFiltered = tripDuration < minimalTripDuration && tripDistance < minimalTripDistance;
+                    if (tripFiltered) {
+                        startParkingIndex = previousStartParkingIndex;
+                        endParkingIndex = previousEndParkingIndex;
+                        tripFiltered = false;
+                    } else {
+                        previousStartParkingIndex = i;
+                        startParkingIndex = i;
+                    }
+
+                }
+                if (startParkingIndex != -1 && (endParkingIndex > startParkingIndex || isLast)) {
+                    long parkingDuration = positions.get(endParkingIndex).getFixTime().getTime()
+                            - positions.get(startParkingIndex).getFixTime().getTime();
+                    if ((parkingDuration >= minimalParkingDuration || isLast)
+                            && previousEndParkingIndex < startParkingIndex) {
+                        if (!tripFiltered) {
+                            result.add(calculateTrip(positions, previousEndParkingIndex, startParkingIndex));
+                        }
+                        previousEndParkingIndex = endParkingIndex;
+                        skipped = false;
+                    } else {
+                        skipped = true;
+                    }
+                    startParkingIndex = -1;
+                }
+            }
+        }
+        return result;
+    }
+
+    public static String getJson(long userId, Collection<Long> deviceIds, Collection<Long> groupIds,
+            Date from, Date to) throws SQLException {
+        JsonArrayBuilder json = Json.createArrayBuilder();
+        for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) {
+            Context.getPermissionsManager().checkDevice(userId, deviceId);
+            for (TripReport tripReport : detectTrips(deviceId, from, to)) {
+                json.add(JsonConverter.objectToJson(tripReport));
+            }
+        }
+        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 TripReport());
+        for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) {
+            Context.getPermissionsManager().checkDevice(userId, deviceId);
+            csv.addArray(detectTrips(deviceId, from, to));
+        }
+        return csv.build();
+    }
+}