1 files changed, 35 insertions, 0 deletions
diff --git a/src/org/traccar/reports/ReportUtils.java b/src/org/traccar/reports/ReportUtils.java
new file mode 100644
index 000000000..e8048f1f2
--- /dev/null
+++ b/src/org/traccar/reports/ReportUtils.java
@@ -0,0 +1,35 @@
+package org.traccar.reports;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.StreamingOutput;
+
+import org.traccar.Context;
+
+public final class ReportUtils {
+
+    private ReportUtils() {
+    }
+
+    public static Collection<Long> getReportedDevices(Collection<Long> deviceIds, Collection<Long> groupIds) {
+        Collection<Long> result = new ArrayList<>();
+        result.addAll(deviceIds);
+        for (long groupId : groupIds) {
+            result.addAll(Context.getPermissionsManager().getGroupDevices(groupId));
+        }
+        return result;
+    }
+
+    public static StreamingOutput getOut(final byte[] csvBytes) {
+        return new StreamingOutput() {
+            @Override
+            public void write(OutputStream out) throws IOException, WebApplicationException {
+                out.write(csvBytes);
+            }
+        };
+    }
+}