Initial commit

internal/widget/hacker-news.go

@@ -0,0 +1,52 @@
+package widget
+
+import (
+	"context"
+	"html/template"
+	"time"
+
+	"github.com/glanceapp/glance/internal/assets"
+	"github.com/glanceapp/glance/internal/feed"
+)
+
+type HackerNews struct {
+	widgetBase    `yaml:",inline"`
+	Posts         feed.ForumPosts `yaml:"-"`
+	Limit         int             `yaml:"limit"`
+	CollapseAfter int             `yaml:"collapse-after"`
+}
+
+func (widget *HackerNews) Initialize() error {
+	widget.withTitle("Hacker News").withCacheDuration(30 * time.Minute)
+
+	if widget.Limit <= 0 {
+		widget.Limit = 15
+	}
+
+	if widget.CollapseAfter == 0 || widget.CollapseAfter < -1 {
+		widget.CollapseAfter = 5
+	}
+
+	return nil
+}
+
+func (widget *HackerNews) Update(ctx context.Context) {
+	posts, err := feed.FetchHackerNewsTopPosts(40)
+
+	if !widget.canContinueUpdateAfterHandlingErr(err) {
+		return
+	}
+
+	posts.CalculateEngagement()
+	posts.SortByEngagement()
+
+	if widget.Limit < len(posts) {
+		posts = posts[:widget.Limit]
+	}
+
+	widget.Posts = posts
+}
+
+func (widget *HackerNews) Render() template.HTML {
+	return widget.render(widget, assets.ForumPostsTemplate)
+}