Add preserve-order and limit props to RSS widget

internal/glance/widget-rss.go

@@ -35,6 +35,7 @@ type rssWidget struct {
 	Limit            int              `yaml:"limit"`
 	CollapseAfter    int              `yaml:"collapse-after"`
 	SingleLineTitles bool             `yaml:"single-line-titles"`
+	PreserveOrder    bool             `yaml:"preserve-order"`
 	NoItemsMessage   string           `yaml:"-"`
 }
 
@@ -75,6 +76,10 @@ func (widget *rssWidget) update(ctx context.Context) {
 		return
 	}
 
+	if !widget.PreserveOrder {
+		items.sortByNewest()
+	}
+
 	if len(items) > widget.Limit {
 		items = items[:widget.Limit]
 	}
@@ -143,6 +148,7 @@ type rssFeedRequest struct {
 	Title           string            `yaml:"title"`
 	HideCategories  bool              `yaml:"hide-categories"`
 	HideDescription bool              `yaml:"hide-description"`
+	Limit           int               `yaml:"limit"`
 	ItemLinkPrefix  string            `yaml:"item-link-prefix"`
 	Headers         map[string]string `yaml:"headers"`
 	IsDetailed      bool              `yaml:"-"`
@@ -190,6 +196,10 @@ func fetchItemsFromRSSFeedTask(request rssFeedRequest) ([]rssFeedItem, error) {
 		return nil, err
 	}
 
+	if request.Limit > 0 && len(feed.Items) > request.Limit {
+		feed.Items = feed.Items[:request.Limit]
+	}
+
 	items := make(rssFeedItemList, 0, len(feed.Items))
 
 	for i := range feed.Items {
@@ -320,7 +330,6 @@ func fetchItemsFromRSSFeeds(requests []rssFeedRequest) (rssFeedItemList, error)
 	}
 
 	failed := 0
-
 	entries := make(rssFeedItemList, 0, len(feeds)*10)
 
 	for i := range feeds {
@@ -337,8 +346,6 @@ func fetchItemsFromRSSFeeds(requests []rssFeedRequest) (rssFeedItemList, error)
 		return nil, errNoContent
 	}
 
-	entries.sortByNewest()
-
 	if failed > 0 {
 		return entries, fmt.Errorf("%w: missing %d RSS feeds", errPartialContent, failed)
 	}