add a setting to mark entries of a feed as read after a number of days (#2041)

commafeed-server/src/main/java/com/commafeed/backend/task/AutoMarkAsReadTask.java

@@ -0,0 +1,37 @@
+package com.commafeed.backend.task;
+
+import java.util.concurrent.TimeUnit;
+
+import jakarta.inject.Singleton;
+
+import com.commafeed.backend.service.db.DatabaseCleaningService;
+
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Singleton
+public class AutoMarkAsReadTask extends ScheduledTask {
+
+	private final DatabaseCleaningService cleaner;
+
+	@Override
+	public void run() {
+		cleaner.autoMarkAsRead();
+	}
+
+	@Override
+	public long getInitialDelay() {
+		return 25;
+	}
+
+	@Override
+	public long getPeriod() {
+		return 60;
+	}
+
+	@Override
+	public TimeUnit getTimeUnit() {
+		return TimeUnit.MINUTES;
+	}
+
+}