From 1499b12fa782a57dbaef294ddd16ba61d2193cc7 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 27 Feb 2021 13:02:34 -0800
Subject: Implement password reset API

---
 .../notification/TextTemplateFormatter.java        | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 src/main/java/org/traccar/notification/TextTemplateFormatter.java

(limited to 'src/main/java/org/traccar/notification/TextTemplateFormatter.java')

diff --git a/src/main/java/org/traccar/notification/TextTemplateFormatter.java b/src/main/java/org/traccar/notification/TextTemplateFormatter.java
new file mode 100644
index 000000000..c7cac2d4d
--- /dev/null
+++ b/src/main/java/org/traccar/notification/TextTemplateFormatter.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2021 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.notification;
+
+import org.apache.velocity.Template;
+import org.apache.velocity.VelocityContext;
+import org.apache.velocity.exception.ResourceNotFoundException;
+import org.apache.velocity.tools.generic.DateTool;
+import org.apache.velocity.tools.generic.NumberTool;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.Context;
+import org.traccar.model.User;
+import org.traccar.reports.ReportUtils;
+
+import java.io.StringWriter;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Paths;
+import java.util.Locale;
+
+public final class TextTemplateFormatter {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(TextTemplateFormatter.class);
+
+    private TextTemplateFormatter() {
+    }
+
+    public static VelocityContext prepareContext(User user) {
+
+        VelocityContext velocityContext = new VelocityContext();
+
+        if (user != null) {
+            velocityContext.put("user", user);
+            velocityContext.put("timezone", ReportUtils.getTimezone(user.getId()));
+        }
+
+        velocityContext.put("webUrl", Context.getVelocityEngine().getProperty("web.url"));
+        velocityContext.put("dateTool", new DateTool());
+        velocityContext.put("numberTool", new NumberTool());
+        velocityContext.put("locale", Locale.getDefault());
+
+        return velocityContext;
+    }
+
+    public static Template getTemplate(String name, String path) {
+
+        String templateFilePath;
+        Template template;
+
+        try {
+            templateFilePath = Paths.get(path, name + ".vm").toString();
+            template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
+        } catch (ResourceNotFoundException error) {
+            LOGGER.warn("Notification template error", error);
+            templateFilePath = Paths.get(path, "unknown.vm").toString();
+            template = Context.getVelocityEngine().getTemplate(templateFilePath, StandardCharsets.UTF_8.name());
+        }
+        return template;
+    }
+
+    public static FullMessage formatFullMessage(VelocityContext velocityContext, String name) {
+        String formattedMessage = formatMessage(velocityContext, name, "full");
+        return new FullMessage((String) velocityContext.get("subject"), formattedMessage);
+    }
+
+    public static String formatShortMessage(VelocityContext velocityContext, String name) {
+        return formatMessage(velocityContext, name, "short");
+    }
+
+    private static String formatMessage(
+            VelocityContext velocityContext, String name, String templatePath) {
+
+        StringWriter writer = new StringWriter();
+        getTemplate(name, templatePath).merge(velocityContext, writer);
+        return writer.toString();
+    }
+
+}
-- 
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