Refactor getStatistics method

2 files changed, 10 insertions, 12 deletions

diff --git a/src/main/java/org/traccar/api/resource/StatisticsResource.java b/src/main/java/org/traccar/api/resource/StatisticsResource.java
index 5c0734877..1f2296f28 100644
--- a/src/main/java/org/traccar/api/resource/StatisticsResource.java
+++ b/src/main/java/org/traccar/api/resource/StatisticsResource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2022 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,10 +15,13 @@
  */
 package org.traccar.api.resource;
 
-import org.traccar.Context;
 import org.traccar.api.BaseResource;
 import org.traccar.model.Statistics;
 import org.traccar.storage.StorageException;
+import org.traccar.storage.query.Columns;
+import org.traccar.storage.query.Condition;
+import org.traccar.storage.query.Order;
+import org.traccar.storage.query.Request;
 
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
@@ -37,8 +40,11 @@ public class StatisticsResource extends BaseResource {
     @GET
     public Collection<Statistics> get(
             @QueryParam("from") Date from, @QueryParam("to") Date to) throws StorageException {
-        Context.getPermissionsManager().checkAdmin(getUserId());
-        return Context.getDataManager().getStatistics(from, to);
+        permissionsService.checkAdmin(getUserId());
+        return storage.getObjects(Statistics.class, new Request(
+                new Columns.All(),
+                new Condition.Between("captureTime", "from", from, "to", to),
+                new Order("captureTime")));
     }
 
 }
diff --git a/src/main/java/org/traccar/database/DataManager.java b/src/main/java/org/traccar/database/DataManager.java
index 4fd0cd8c1..8ed907fdd 100644
--- a/src/main/java/org/traccar/database/DataManager.java
+++ b/src/main/java/org/traccar/database/DataManager.java
@@ -34,7 +34,6 @@ import org.traccar.model.Device;
 import org.traccar.model.Permission;
 import org.traccar.model.Position;
 import org.traccar.model.Server;
-import org.traccar.model.Statistics;
 import org.traccar.model.User;
 import org.traccar.storage.DatabaseStorage;
 import org.traccar.storage.Storage;
@@ -204,13 +203,6 @@ public class DataManager {
         return storage.getObject(Server.class, new Request(new Columns.All()));
     }
 
-    public Collection<Statistics> getStatistics(Date from, Date to) throws StorageException {
-        return storage.getObjects(Statistics.class, new Request(
-                new Columns.All(),
-                new Condition.Between("captureTime", "from", from, "to", to),
-                new Order("captureTime")));
-    }
-
     public Collection<Permission> getPermissions(Class<? extends BaseModel> owner, Class<? extends BaseModel> property)
             throws StorageException, ClassNotFoundException {
         return storage.getPermissions(owner, property);