From d5ec75ecd3697e37782c9dd53998c889d5b9ef4d Mon Sep 17 00:00:00 2001
From: Abyss777 <abyss@fox5.ru>
Date: Wed, 30 Nov 2016 09:58:48 +0500
Subject: Add API to get positions by Id

---
 setup/default.xml                                  |  4 ++++
 src/org/traccar/api/resource/PositionResource.java | 16 +++++++++++++---
 src/org/traccar/database/DataManager.java          |  6 ++++++
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/setup/default.xml b/setup/default.xml
index 7df352c4d..5c6f8fe90 100644
--- a/setup/default.xml
+++ b/setup/default.xml
@@ -171,6 +171,10 @@
         SELECT * FROM positions WHERE deviceId = :deviceId AND fixTime BETWEEN :from AND :to ORDER BY fixTime
     </entry>
 
+    <entry key='database.selectPosition'>
+        SELECT * FROM positions WHERE id = :id
+    </entry>
+
     <entry key='database.insertPosition'>
         INSERT INTO positions (deviceId, protocol, serverTime, deviceTime, fixTime, valid, latitude, longitude, altitude, speed, course, address, attributes)
         VALUES (:deviceId, :protocol, :now, :deviceTime, :fixTime, :valid, :latitude, :longitude, :altitude, :speed, :course, :address, :attributes)
diff --git a/src/org/traccar/api/resource/PositionResource.java b/src/org/traccar/api/resource/PositionResource.java
index c1cfc0b5c..4db73cfd2 100644
--- a/src/org/traccar/api/resource/PositionResource.java
+++ b/src/org/traccar/api/resource/PositionResource.java
@@ -32,7 +32,9 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 
 import java.sql.SQLException;
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 
 @Path("positions")
 @Consumes(MediaType.APPLICATION_JSON)
@@ -46,9 +48,18 @@ public class PositionResource extends BaseResource {
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public Collection<Position> getJson(
-            @QueryParam("deviceId") long deviceId, @QueryParam("from") String from, @QueryParam("to") String to)
+            @QueryParam("deviceId") long deviceId, @QueryParam("positionId") List<Long> positionIds,
+            @QueryParam("from") String from, @QueryParam("to") String to)
             throws SQLException {
-        if (deviceId == 0) {
+        if (!positionIds.isEmpty()) {
+            ArrayList<Position> positions = new ArrayList<>();
+            for (Long positionId : positionIds) {
+                Position position = Context.getDataManager().getPosition(positionId);
+                Context.getPermissionsManager().checkDevice(getUserId(), position.getDeviceId());
+                positions.add(position);
+            }
+            return positions;
+        } else if (deviceId == 0) {
             return Context.getDeviceManager().getInitialState(getUserId());
         } else {
             Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
@@ -81,5 +92,4 @@ public class PositionResource extends BaseResource {
                 deviceId, DateUtil.parseDate(from), DateUtil.parseDate(to)));
         return Response.ok(gpx.build()).header(HttpHeaders.CONTENT_DISPOSITION, CONTENT_DISPOSITION_VALUE_GPX).build();
     }
-
 }
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index afa8b1677..8be53ad7b 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -280,6 +280,12 @@ public class DataManager {
                 .executeQuery(Position.class);
     }
 
+    public Position getPosition(long positionId) throws SQLException {
+        return QueryBuilder.create(dataSource, getQuery("database.selectPosition"))
+                .setLong("id", positionId)
+                .executeQuerySingle(Position.class);
+    }
+
     public void addPosition(Position position) throws SQLException {
         position.setId(QueryBuilder.create(dataSource, getQuery("database.insertPosition"), true)
                 .setDate("now", new Date())
-- 
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