backend/web.go

@@ -38,6 +38,11 @@ type listView struct {
 	Tab    string // "all", "fav", or "new"
 	Recent []Bookmark
 	Items  []Bookmark
+	// NewCount is the badge on the Updated tab: how many series being read
+	// have a chapter out that has not been read. It is counted over the whole
+	// reading set, not the active tab, so the badge does not change meaning as
+	// the user moves between tabs.
+	NewCount int
 }
 
 // Initial is the monogram the templates show in place of a cover when the
@@ -178,12 +183,14 @@ func (h *webHandler) buildListView(tab string) (listView, error) {
 		recent = recent[:recentCount]
 	}
 
+	withNew := filterBookmarks(reading, func(b Bookmark) bool { return b.HasNewChapter() })
+
 	var items []Bookmark
 	switch tab {
 	case "fav":
 		items = filterBookmarks(reading, func(b Bookmark) bool { return b.Favorite })
 	case "new":
-		items = filterBookmarks(reading, func(b Bookmark) bool { return b.HasNewChapter() })
+		items = withNew
 	case "archived":
 		items = filterBookmarks(all, func(b Bookmark) bool { return b.Status == statusArchived })
 	case "finished":
@@ -192,7 +199,7 @@ func (h *webHandler) buildListView(tab string) (listView, error) {
 		tab = "all"
 		items = reading
 	}
-	return listView{Tab: tab, Recent: recent, Items: items}, nil
+	return listView{Tab: tab, Recent: recent, Items: items, NewCount: len(withNew)}, nil
 }
 
 func (h *webHandler) uiList(w http.ResponseWriter, r *http.Request) {