Improved OpenGraph tags

pages/soundtrack/opengraph.go

@@ -0,0 +1,48 @@
+package soundtrack
+
+import (
+	"strings"
+
+	"github.com/aerogo/aero"
+	"github.com/animenotifier/arn"
+)
+
+func getOpenGraph(ctx *aero.Context, track *arn.SoundTrack) *arn.OpenGraph {
+	openGraph := &arn.OpenGraph{
+		Tags: map[string]string{
+			"og:title":     track.Title.ByUser(nil),
+			"og:url":       "https://" + ctx.App.Config.Domain + track.Link(),
+			"og:site_name": ctx.App.Config.Domain,
+			"og:type":      "music.song",
+		},
+	}
+
+	descriptionTags := []string{}
+
+	for _, tag := range track.Tags {
+		if strings.HasPrefix(tag, "anime:") {
+			continue
+		}
+
+		descriptionTags = append(descriptionTags, tag)
+	}
+
+	if track.MainAnime() != nil {
+		openGraph.Tags["og:image"] = track.MainAnime().ImageLink("large")
+		openGraph.Tags["og:description"] = track.MainAnime().Title.Canonical + " (" + strings.Join(descriptionTags, ", ") + ")"
+	}
+
+	if track.File != "" {
+		openGraph.Tags["og:audio"] = "https://" + ctx.App.Config.Domain + "/audio/" + track.File
+		openGraph.Tags["og:audio:type"] = "audio/vnd.facebook.bridge"
+	}
+
+	// Set video so that it can be played
+	youtube := track.MediaByService("Youtube")
+
+	if len(youtube) > 0 {
+		openGraph.Tags["og:video"] = "https://www.youtube.com/v/" + youtube[0].ServiceID
+	}
+
+	return openGraph
+}