Merge branch 'main' into lang_de

src/main/java/de/srsoftware/widerhall/mail/ImapClient.java

@@ -6,6 +6,8 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.mail.*;
+import java.time.Duration;
+import java.util.Date;
 import java.util.HashSet;
 import java.util.Properties;
 
@@ -72,10 +74,8 @@ public class ImapClient {
         }
 
         private void handleMessages() throws MessagingException {
-            LOG.debug("Lese E-Mail von {}:",username);
-            if (!inbox.isOpen()){
-                inbox.open(IMAPFolder.READ_WRITE);
-            }
+            LOG.debug("Reading email of {}:",username);
+            if (!inbox.isOpen()) inbox.open(IMAPFolder.READ_WRITE);
             for (Message message : inbox.getMessages()){
                 if (message.isSet(Flags.Flag.SEEN)) continue;
                 handle(message);
@@ -145,6 +145,27 @@ public class ImapClient {
         return this;
     }
 
+    public void dropMailsOlderThan(Integer holdTime) throws MessagingException {
+        var now = new Date();
+        if (holdTime == null) return;
+        LOG.info("Removing mails older than {} days:",holdTime);
+        if (!inbox.isOpen()) inbox.open(IMAPFolder.READ_WRITE);
+        for (Message message : inbox.getMessages()){
+            Date receivedDate = message.getReceivedDate();
+            Duration duration = Duration.between(receivedDate.toInstant(),now.toInstant());
+            var days = duration.toDays();
+            LOG.info("Message {} is {} days old!");
+            if (days > holdTime){
+                LOG.info("…removing");
+                Folder folder = message.getFolder();
+                if (!folder.isOpen()) folder.open(Folder.READ_WRITE);
+                message.setFlag(Flags.Flag.DELETED, true);
+            }
+        }
+        inbox.expunge();
+    }
+
+
     public String host(){
         return host;
     }