Statistics for Feeds with no items are now loaded correctly. fixes #283

1 files changed, 29 insertions, 1 deletions

diff --git a/src/de/danoeh/antennapod/storage/FeedItemStatistics.java b/src/de/danoeh/antennapod/storage/FeedItemStatistics.java
index 6b79dd144..8cb040756 100644
--- a/src/de/danoeh/antennapod/storage/FeedItemStatistics.java
+++ b/src/de/danoeh/antennapod/storage/FeedItemStatistics.java
@@ -11,13 +11,29 @@ public class FeedItemStatistics {
     private int numberOfNewItems;
     private int numberOfInProgressItems;
     private Date lastUpdate;
+    private static final Date UNKNOWN_DATE = new Date(0);
 
+
+    /**
+     * Creates new FeedItemStatistics object.
+     *
+     * @param feedID                  ID of the feed.
+     * @param numberOfItems           Number of items that this feed has.
+     * @param numberOfNewItems        Number of unread items this feed has.
+     * @param numberOfInProgressItems Number of items that the user has started listening to.
+     * @param lastUpdate              pubDate of the latest episode. A lastUpdate value of 0 will be interpreted as DATE_UNKOWN if
+     *                                numberOfItems is 0.
+     */
     public FeedItemStatistics(long feedID, int numberOfItems, int numberOfNewItems, int numberOfInProgressItems, Date lastUpdate) {
         this.feedID = feedID;
         this.numberOfItems = numberOfItems;
         this.numberOfNewItems = numberOfNewItems;
         this.numberOfInProgressItems = numberOfInProgressItems;
-        this.lastUpdate = (lastUpdate != null) ? (Date) lastUpdate.clone() : null;
+        if (numberOfItems > 0) {
+            this.lastUpdate = (lastUpdate != null) ? (Date) lastUpdate.clone() : null;
+        } else {
+            this.lastUpdate = UNKNOWN_DATE;
+        }
     }
 
     public long getFeedID() {
@@ -36,7 +52,19 @@ public class FeedItemStatistics {
         return numberOfInProgressItems;
     }
 
+    /**
+     * Returns the pubDate of the latest item in the feed. Users of this method
+     * should check if this value is unkown or not by calling lastUpdateKnown() first.
+     */
     public Date getLastUpdate() {
         return (lastUpdate != null) ? (Date) lastUpdate.clone() : null;
     }
+
+    /**
+     * Returns true if the lastUpdate value is known. The lastUpdate value is unkown if the
+     * feed has no items.
+     */
+    public boolean lastUpdateKnown() {
+        return lastUpdate != UNKNOWN_DATE;
+    }
 }