From f1680218e85ff3310eb5898d8ec28feaac5797c6 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sat, 2 Mar 2024 21:31:37 -0800
Subject: Add device export report

---
 .../org/traccar/reports/DevicesReportProvider.java | 78 ++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 src/main/java/org/traccar/reports/DevicesReportProvider.java

(limited to 'src/main/java/org/traccar/reports/DevicesReportProvider.java')

diff --git a/src/main/java/org/traccar/reports/DevicesReportProvider.java b/src/main/java/org/traccar/reports/DevicesReportProvider.java
new file mode 100644
index 000000000..7b4294d53
--- /dev/null
+++ b/src/main/java/org/traccar/reports/DevicesReportProvider.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2024 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.
+ * 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 jakarta.inject.Inject;
+import org.jxls.util.JxlsHelper;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+import org.traccar.helper.model.PositionUtil;
+import org.traccar.model.Device;
+import org.traccar.model.Message;
+import org.traccar.model.User;
+import org.traccar.reports.common.ReportUtils;
+import org.traccar.reports.model.DeviceReportItem;
+import org.traccar.storage.Storage;
+import org.traccar.storage.StorageException;
+import org.traccar.storage.query.Columns;
+import org.traccar.storage.query.Condition;
+import org.traccar.storage.query.Request;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Paths;
+import java.util.Collection;
+import java.util.stream.Collectors;
+
+public class DevicesReportProvider {
+
+    private final Config config;
+    private final ReportUtils reportUtils;
+    private final Storage storage;
+
+    @Inject
+    public DevicesReportProvider(Config config, ReportUtils reportUtils, Storage storage) {
+        this.config = config;
+        this.reportUtils = reportUtils;
+        this.storage = storage;
+    }
+
+    public Collection<DeviceReportItem> getObjects(long userId) throws StorageException {
+
+        var positions = PositionUtil.getLatestPositions(storage, userId).stream()
+                .collect(Collectors.toMap(Message::getDeviceId, p -> p));
+
+        return storage.getObjects(Device.class, new Request(
+                new Columns.All(),
+                new Condition.Permission(User.class, userId, Device.class))).stream()
+                .map(device -> new DeviceReportItem(device, positions.get(device.getId())))
+                .collect(Collectors.toUnmodifiableList());
+    }
+
+    public void getExcel(OutputStream outputStream, long userId) throws StorageException, IOException {
+
+        File file = Paths.get(config.getString(Keys.TEMPLATES_ROOT), "export", "devices.xlsx").toFile();
+        try (InputStream inputStream = new FileInputStream(file)) {
+            var context = reportUtils.initializeContext(userId);
+            context.putVar("items", getObjects(userId));
+            JxlsHelper.getInstance().setUseFastFormulaProcessor(false)
+                    .processTemplate(inputStream, outputStream, context);
+        }
+    }
+}
-- 
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