Update dynamic columns & remove the need to specify style

internal/widget/markets.go

@@ -0,0 +1,46 @@
+package widget
+
+import (
+	"context"
+	"html/template"
+	"time"
+
+	"github.com/glanceapp/glance/internal/assets"
+	"github.com/glanceapp/glance/internal/feed"
+)
+
+type Markets struct {
+	widgetBase     `yaml:",inline"`
+	StocksRequests []feed.MarketRequest `yaml:"stocks"`
+	MarketRequests []feed.MarketRequest `yaml:"markets"`
+	Sort           string               `yaml:"sort-by"`
+	Markets        feed.Markets         `yaml:"-"`
+}
+
+func (widget *Markets) Initialize() error {
+	widget.withTitle("Markets").withCacheDuration(time.Hour)
+
+	if len(widget.MarketRequests) == 0 {
+		widget.MarketRequests = widget.StocksRequests
+	}
+
+	return nil
+}
+
+func (widget *Markets) Update(ctx context.Context) {
+	markets, err := feed.FetchMarketsDataFromYahoo(widget.MarketRequests)
+
+	if !widget.canContinueUpdateAfterHandlingErr(err) {
+		return
+	}
+
+	if widget.Sort == "absolute-change" {
+		markets.SortByAbsChange()
+	}
+
+	widget.Markets = markets
+}
+
+func (widget *Markets) Render() template.HTML {
+	return widget.render(widget, assets.MarketsTemplate)
+}