email notifications

1 files changed, 56 insertions, 0 deletions

diff --git a/juick-api/src/main/java/com/juick/api/EmailManager.java b/juick-api/src/main/java/com/juick/api/EmailManager.java
new file mode 100644
index 00000000..8e868ca0
--- /dev/null
+++ b/juick-api/src/main/java/com/juick/api/EmailManager.java
@@ -0,0 +1,56 @@
+package com.juick.api;
+
+import com.juick.Message;
+import com.juick.server.component.MessageEvent;
+import com.juick.server.util.HttpBadRequestException;
+import com.juick.service.EmailService;
+import com.juick.service.SubscriptionService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Component;
+
+import javax.inject.Inject;
+import javax.mail.MessagingException;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+
+import static com.juick.formatters.PlainTextFormatter.formatPost;
+
+@Component
+public class EmailManager implements ApplicationListener<MessageEvent> {
+    private static final Logger logger = LoggerFactory.getLogger(EmailManager.class);
+    @Inject
+    EmailService emailService;
+    @Inject
+    SubscriptionService subscriptionService;
+    @Override
+    public void onApplicationEvent(MessageEvent event) {
+        Message msg = event.getMessage();
+        if (msg.getRid() == 0) {
+            subscriptionService.getSubscribedUsers(msg.getUser().getUid(), msg.getMid())
+                    .forEach(user -> emailService.getEmails(user.getUid())
+                            .forEach(email -> emailNotify(email, msg)));
+        } else {
+            subscriptionService.getUsersSubscribedToComments(msg.getMid(), msg.getUser().getUid())
+                    .forEach(user -> emailService.getEmails(user.getUid())
+                        .forEach(email -> emailNotify(email, msg)));
+        }
+    }
+
+    void emailNotify(String email, Message msg) {
+        Session session = Session.getDefaultInstance(System.getProperties());
+        try {
+            MimeMessage message = new MimeMessage(session);
+            message.setFrom(new InternetAddress("noreply@mail.juick.com"));
+            message.addRecipient(javax.mail.Message.RecipientType.TO, new InternetAddress(email));
+            message.setSubject(String.format("New message from %s", msg.getUser().getName()));
+            message.setText(formatPost(msg));
+            Transport.send(message);
+        } catch (MessagingException ex) {
+            logger.error("mail exception", ex);
+        }
+    }
+}