Init

lib/spotify.go

@@ -0,0 +1,64 @@
+package lib
+
+import (
+	"context"
+	"os"
+
+	"atri.dad/lib/pubsub"
+	"github.com/zmb3/spotify"
+	"golang.org/x/oauth2"
+)
+
+var spotifyOAuth2Endpoint = oauth2.Endpoint{
+	TokenURL: "https://accounts.spotify.com/api/token",
+	AuthURL:  "https://accounts.spotify.com/authorize",
+}
+
+func GetCurrentlyPlayingTrack(clientID string, clientSecret string, refreshToken string) (*spotify.CurrentlyPlaying, error) {
+	// OAuth2 config
+	config := &oauth2.Config{
+		ClientID:     clientID,
+		ClientSecret: clientSecret,
+		Scopes:       []string{spotify.ScopeUserReadCurrentlyPlaying},
+		Endpoint:     spotifyOAuth2Endpoint,
+	}
+
+	// Token source
+	tokenSource := config.TokenSource(context.Background(), &oauth2.Token{RefreshToken: refreshToken})
+
+	// Get new token
+	newToken, err := tokenSource.Token()
+	if err != nil {
+		return nil, err
+	}
+
+	// Create new client
+	client := spotify.Authenticator{}.NewClient(newToken)
+
+	// Get currently playing track
+	playing, err := client.PlayerCurrentlyPlaying()
+	if err != nil {
+		return nil, err
+	}
+
+	return playing, nil
+}
+
+func CurrentlyPlayingTrackSSE(ctx context.Context, pubSub pubsub.PubSub) error {
+	clientID := os.Getenv("SPOTIFY_CLIENT_ID")
+	clientSecret := os.Getenv("SPOTIFY_CLIENT_SECRET")
+	refreshToken := os.Getenv("SPOTIFY_REFRESH_TOKEN")
+
+	playing, err := GetCurrentlyPlayingTrack(clientID, clientSecret, refreshToken)
+	if err != nil {
+		return err
+	}
+
+	if playing.Item != nil && playing.Playing {
+		SendSSE(ctx, pubSub, "spotify", `<div class="indicator-item badge badge-success"><a _="on mouseover put '🎧 Listening to `+playing.Item.Name+" by "+playing.Item.Artists[0].Name+` 🎧' into my.textContent on mouseout put '🎧' into my.textContent" href="`+playing.Item.ExternalURLs["spotify"]+`" rel="noreferrer" target="_blank">🎧</a></div>`)
+	} else {
+		SendSSE(ctx, pubSub, "spotify", "")
+	}
+
+	return nil
+}