From c828e6af3ca96e51c20f5e189ab1293c4fe29c8a Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Wed, 25 Jan 2023 14:25:40 -0800
Subject: Add scheduled reports task

---
 .../org/traccar/reports/common/ReportExecutor.java | 25 ++++++++
 .../org/traccar/reports/common/ReportMailer.java   | 70 ++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 src/main/java/org/traccar/reports/common/ReportExecutor.java
 create mode 100644 src/main/java/org/traccar/reports/common/ReportMailer.java

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

diff --git a/src/main/java/org/traccar/reports/common/ReportExecutor.java b/src/main/java/org/traccar/reports/common/ReportExecutor.java
new file mode 100644
index 000000000..aed4b8c23
--- /dev/null
+++ b/src/main/java/org/traccar/reports/common/ReportExecutor.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2023 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.common;
+
+import org.traccar.storage.StorageException;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+public interface ReportExecutor {
+    void execute(OutputStream stream) throws StorageException, IOException;
+}
diff --git a/src/main/java/org/traccar/reports/common/ReportMailer.java b/src/main/java/org/traccar/reports/common/ReportMailer.java
new file mode 100644
index 000000000..32bbd4b17
--- /dev/null
+++ b/src/main/java/org/traccar/reports/common/ReportMailer.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2023 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.common;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.api.security.PermissionsService;
+import org.traccar.mail.MailManager;
+import org.traccar.model.User;
+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 javax.activation.DataHandler;
+import javax.inject.Inject;
+import javax.mail.MessagingException;
+import javax.mail.internet.MimeBodyPart;
+import javax.mail.util.ByteArrayDataSource;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class ReportMailer {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ReportMailer.class);
+
+    private final Storage storage;
+    private final MailManager mailManager;
+
+    @Inject
+    public ReportMailer(Storage storage, MailManager mailManager) {
+        this.storage = storage;
+        this.mailManager = mailManager;
+    }
+
+    public void sendAsync(long userId, ReportExecutor executor) {
+        new Thread(() -> {
+            try {
+                var stream = new ByteArrayOutputStream();
+                executor.execute(stream);
+
+                MimeBodyPart attachment = new MimeBodyPart();
+                attachment.setFileName("report.xlsx");
+                attachment.setDataHandler(new DataHandler(new ByteArrayDataSource(
+                        stream.toByteArray(), "application/octet-stream")));
+
+                User user = storage.getObject(
+                        User.class, new Request(new Columns.All(), new Condition.Equals("id", userId)));
+                mailManager.sendMessage(user, "Report", "The report is in the attachment.", attachment);
+            } catch (StorageException | IOException | MessagingException e) {
+                LOGGER.warn("Email report failed", e);
+            }
+        }).start();
+    }
+
+}
-- 
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