1 files changed, 110 insertions, 0 deletions
diff --git a/juick-server/src/main/java/com/juick/api/EmailManager.java b/juick-server/src/main/java/com/juick/api/EmailManager.java
new file mode 100644
index 00000000..fa86b406
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/api/EmailManager.java
@@ -0,0 +1,110 @@
+package com.juick.api;
+
+import com.juick.Message;
+import com.juick.server.component.MessageEvent;
+import com.juick.service.EmailService;
+import com.juick.service.MessagesService;
+import com.juick.service.SubscriptionService;
+import com.juick.service.UserService;
+import com.juick.util.MessageUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
+import javax.mail.MessagingException;
+import javax.mail.Multipart;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeBodyPart;
+import javax.mail.internet.MimeMessage;
+import javax.mail.internet.MimeMultipart;
+import java.util.Properties;
+
+import static com.juick.formatters.PlainTextFormatter.formatPost;
+import static com.juick.formatters.PlainTextFormatter.formatUrl;
+
+@Component
+public class EmailManager implements ApplicationListener<MessageEvent> {
+
+    public static final String MSGID_PATTERN = "\\.|@|<";
+
+    private static final Logger logger = LoggerFactory.getLogger(EmailManager.class);
+    @Inject
+    private EmailService emailService;
+    @Inject
+    private SubscriptionService subscriptionService;
+    @Inject
+    private MessagesService messagesService;
+    @Inject
+    private UserService userService;
+    @Override
+    public void onApplicationEvent(@Nonnull MessageEvent event) {
+        Message msg = event.getMessage();
+        if (msg.getMid() > 0 && msg.getRid() == 0) {
+            String subject = String.format("New message from %s", msg.getUser().getName());
+            subscriptionService.getSubscribedUsers(msg.getUser().getUid(), msg.getMid())
+                    .forEach(user -> emailService.getEmails(user.getUid(), true)
+                            .forEach(email -> emailNotify(email, subject, msg)));
+        } else if (msg.getRid() > 0) {
+            Message originalMessage = messagesService.getMessage(msg.getMid());
+            String subject = String.format("New reply to %s", originalMessage.getUser().getName());
+            subscriptionService.getUsersSubscribedToComments(msg.getMid(), msg.getUser().getUid())
+                    .forEach(user -> emailService.getEmails(user.getUid(), true)
+                        .forEach(email -> emailNotify(email, subject, msg)));
+        }
+    }
+
+    private void emailNotify(String email, String subject, Message msg) {
+        Properties prop = System.getProperties();
+        prop.put("mail.smtp.starttls.enable", "true");
+        Session session = Session.getDefaultInstance(prop);
+        try {
+            Transport transport = session.getTransport("smtp");
+            MimeMessage message = new MimeMessage(session) {
+                protected void updateMessageID() throws MessagingException {
+                    setHeader("Message-ID", String.format("<%d.%d@juick.com>", msg.getMid(), msg.getRid()));
+                    if (msg.getRid() > 0) {
+                        if (msg.getReplyto() > 0) {
+                            Message replyto = messagesService.getReply(msg.getMid(), msg.getReplyto());
+                            setHeader("In-Reply-To", String.format("<%d.%d@juick.com>", replyto.getMid(), replyto.getRid()));
+                        } else {
+                            Message original = messagesService.getMessage(msg.getMid());
+                            setHeader("In-Reply-To", String.format("<%d.%d@juick.com>", original.getMid(), original.getRid()));
+                        }
+                    }
+                }
+            };
+            message.setFrom(new InternetAddress("juick@juick.com"));
+            message.addRecipient(javax.mail.Message.RecipientType.TO, new InternetAddress(email));
+            message.setSubject(subject);
+            String plainText = String.format("%s\n\n--\nYou are receiving this because you are subscribed to this user " +
+                            ", discussion or tag. Reply to this email directly or view it on Juick: %s.",
+                    formatPost(msg), formatUrl(msg));
+            MimeBodyPart textBodyPart = new MimeBodyPart();
+            textBodyPart.setContent(plainText, "text/plain; charset=UTF-8");
+            String htmlText = String.format("%s<br /><br />--<br />You are receiving this because you are subscribed to this user" +
+                            ", discussion or tag. Reply to this email directly or <a href=\"%s\">view it</a> on Juick." +
+                            "<br /><a href=\"https://juick.com/settings?hash=%s\">Configure or disable notifications</a>",
+                    MessageUtils.formatHtml(msg), formatUrl(msg),
+                    userService.getHashByUID(userService.getUserByEmail(email).getUid()));
+            MimeBodyPart htmlBodyPart = new MimeBodyPart();
+            htmlBodyPart.setContent(htmlText, "text/html; charset=UTF-8");
+            Multipart multipart = new MimeMultipart("alternative");
+            multipart.addBodyPart(textBodyPart);
+            multipart.addBodyPart(htmlBodyPart);
+            message.setContent(multipart);
+            message.setHeader("List-Unsubscribe", String.format("https://juick.com/settings?hash=%s",
+                    userService.getHashByUID(userService.getUserByEmail(email).getUid())));
+            message.saveChanges();
+            transport.connect();
+            transport.sendMessage(message, message.getAllRecipients());
+        } catch (MessagingException ex) {
+            logger.error("mail exception", ex);
+        }
+    }
+}