added ability to exclude subscriptions from markAll

src/main/java/com/commafeed/frontend/model/request/MarkRequest.java

@@ -1,6 +1,7 @@
 package com.commafeed.frontend.model.request;
 
 import java.io.Serializable;
+import java.util.List;
 
 import lombok.Data;
 
@@ -23,4 +24,7 @@ public class MarkRequest implements Serializable {
 			required = false)
 	private Long olderThan;
 
+	@ApiProperty(value = "if marking a category or 'all', exclude those subscriptions from the marking", required = false)
+	private List<Long> excludedSubscriptions;
+
 }

src/main/java/com/commafeed/frontend/rest/resources/CategoryREST.java

@@ -4,6 +4,7 @@ import java.io.StringWriter;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
@@ -20,6 +21,7 @@ import javax.ws.rs.core.Response.Status;
 
 import lombok.extern.slf4j.Slf4j;
 
+import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang.ObjectUtils;
 import org.apache.commons.lang.StringUtils;
 
@@ -224,19 +226,33 @@ public class CategoryREST extends AbstractREST {
 		Date olderThan = req.getOlderThan() == null ? null : new Date(req.getOlderThan());
 
 		if (ALL.equals(req.getId())) {
-			List<FeedSubscription> subscriptions = feedSubscriptionDAO.findAll(getUser());
-			feedEntryService.markSubscriptionEntries(getUser(), subscriptions, olderThan);
+			List<FeedSubscription> subs = feedSubscriptionDAO.findAll(getUser());
+			removeExcludedSubscriptions(subs, req.getExcludedSubscriptions());
+			feedEntryService.markSubscriptionEntries(getUser(), subs, olderThan);
 		} else if (STARRED.equals(req.getId())) {
 			feedEntryService.markStarredEntries(getUser(), olderThan);
 		} else {
 			FeedCategory parent = feedCategoryDAO.findById(getUser(), Long.valueOf(req.getId()));
 			List<FeedCategory> categories = feedCategoryDAO.findAllChildrenCategories(getUser(), parent);
 			List<FeedSubscription> subs = feedSubscriptionDAO.findByCategories(getUser(), categories);
+			removeExcludedSubscriptions(subs, req.getExcludedSubscriptions());
 			feedEntryService.markSubscriptionEntries(getUser(), subs, olderThan);
 		}
 		return Response.ok().build();
 	}
 
+	private void removeExcludedSubscriptions(List<FeedSubscription> subs, List<Long> excludedIds) {
+		if (CollectionUtils.isNotEmpty(excludedIds)) {
+			Iterator<FeedSubscription> it = subs.iterator();
+			while (it.hasNext()) {
+				FeedSubscription sub = it.next();
+				if (excludedIds.contains(sub.getId())) {
+					it.remove();
+				}
+			}
+		}
+	}
+
 	@Path("/add")
 	@POST
 	@ApiOperation(value = "Add a category", notes = "Add a new feed category", responseClass = "java.lang.Long")