Add Lobsters widget

internal/widget/lobsters.go

@@ -0,0 +1,55 @@
+package widget
+
+import (
+	"context"
+	"html/template"
+	"time"
+
+	"github.com/glanceapp/glance/internal/assets"
+	"github.com/glanceapp/glance/internal/feed"
+)
+
+type Lobsters struct {
+	widgetBase     `yaml:",inline"`
+	Feed           string          `yaml:"feed"`
+	Posts          feed.ForumPosts `yaml:"-"`
+	Limit          int             `yaml:"limit"`
+	CollapseAfter  int             `yaml:"collapse-after"`
+	ShowThumbnails bool            `yaml:"-"`
+}
+
+func (widget *Lobsters) Initialize() error {
+	widget.withTitle("Lobsters").withCacheDuration(30 * time.Minute)
+
+	if widget.Feed == "" {
+		widget.Feed = "https://lobste.rs/rss"
+	}
+
+	if widget.Limit <= 0 {
+		widget.Limit = 15
+	}
+
+	if widget.CollapseAfter == 0 || widget.CollapseAfter < -1 {
+		widget.CollapseAfter = 5
+	}
+
+	return nil
+}
+
+func (widget *Lobsters) Update(ctx context.Context) {
+	posts, err := feed.FetchLobstersTopPosts(widget.Feed, widget.Limit)
+
+	if !widget.canContinueUpdateAfterHandlingErr(err) {
+		return
+	}
+
+	if widget.Limit < len(posts) {
+		posts = posts[:widget.Limit]
+	}
+
+	widget.Posts = posts
+}
+
+func (widget *Lobsters) Render() template.HTML {
+	return widget.render(widget, assets.ForumPostsTemplate)
+}

internal/widget/widget.go

@@ -43,6 +43,8 @@ func New(widgetType string) (Widget, error) {
 		return &TwitchGames{}, nil
 	case "twitch-channels":
 		return &TwitchChannels{}, nil
+	case "lobsters":
+		return &Lobsters{}, nil
 	default:
 		return nil, fmt.Errorf("unknown widget type: %s", widgetType)
 	}