update

plugins/examples/discord-rich-presence/plugin.go

@@ -0,0 +1,186 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"strings"
+
+	"github.com/navidrome/navidrome/plugins/api"
+	"github.com/navidrome/navidrome/plugins/host/artwork"
+	"github.com/navidrome/navidrome/plugins/host/cache"
+	"github.com/navidrome/navidrome/plugins/host/config"
+	"github.com/navidrome/navidrome/plugins/host/http"
+	"github.com/navidrome/navidrome/plugins/host/scheduler"
+	"github.com/navidrome/navidrome/plugins/host/websocket"
+	"github.com/navidrome/navidrome/utils/slice"
+)
+
+type DiscordRPPlugin struct {
+	rpc     *discordRPC
+	cfg     config.ConfigService
+	artwork artwork.ArtworkService
+	sched   scheduler.SchedulerService
+}
+
+func (d *DiscordRPPlugin) IsAuthorized(ctx context.Context, req *api.ScrobblerIsAuthorizedRequest) (*api.ScrobblerIsAuthorizedResponse, error) {
+	// Get plugin configuration
+	_, users, err := d.getConfig(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to check user authorization: %w", err)
+	}
+
+	// Check if the user has a Discord token configured
+	_, authorized := users[req.Username]
+	log.Printf("IsAuthorized for user %s: %v", req.Username, authorized)
+	return &api.ScrobblerIsAuthorizedResponse{
+		Authorized: authorized,
+	}, nil
+}
+
+func (d *DiscordRPPlugin) NowPlaying(ctx context.Context, request *api.ScrobblerNowPlayingRequest) (*api.ScrobblerNowPlayingResponse, error) {
+	log.Printf("Setting presence for user %s, track: %s", request.Username, request.Track.Name)
+
+	// The plugin is stateless, we need to load the configuration every time
+	clientID, users, err := d.getConfig(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get config: %w", err)
+	}
+
+	// Check if the user has a Discord token configured
+	userToken, authorized := users[request.Username]
+	if !authorized {
+		return nil, fmt.Errorf("user '%s' not authorized", request.Username)
+	}
+
+	// Make sure we have a connection
+	if err := d.rpc.connect(ctx, request.Username, userToken); err != nil {
+		return nil, fmt.Errorf("failed to connect to Discord: %w", err)
+	}
+
+	// Cancel any existing completion schedule
+	if resp, _ := d.sched.CancelSchedule(ctx, &scheduler.CancelRequest{ScheduleId: request.Username}); resp.Error != "" {
+		log.Printf("Ignoring failure to cancel schedule: %s", resp.Error)
+	}
+
+	// Send activity update
+	if err := d.rpc.sendActivity(ctx, clientID, request.Username, userToken, activity{
+		Application: clientID,
+		Name:        "Navidrome",
+		Type:        2,
+		Details:     request.Track.Name,
+		State:       d.getArtistList(request.Track),
+		Timestamps: activityTimestamps{
+			Start: (request.Timestamp - int64(request.Track.Position)) * 1000,
+			End:   (request.Timestamp - int64(request.Track.Position) + int64(request.Track.Length)) * 1000,
+		},
+		Assets: activityAssets{
+			LargeImage: d.imageURL(ctx, request),
+			LargeText:  request.Track.Album,
+		},
+	}); err != nil {
+		return nil, fmt.Errorf("failed to send activity: %w", err)
+	}
+
+	// Schedule a timer to clear the activity after the track completes
+	_, err = d.sched.ScheduleOneTime(ctx, &scheduler.ScheduleOneTimeRequest{
+		ScheduleId:   request.Username,
+		DelaySeconds: request.Track.Length - request.Track.Position + 5,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to schedule completion timer: %w", err)
+	}
+
+	return nil, nil
+}
+
+func (d *DiscordRPPlugin) imageURL(ctx context.Context, request *api.ScrobblerNowPlayingRequest) string {
+	imageResp, _ := d.artwork.GetTrackUrl(ctx, &artwork.GetArtworkUrlRequest{Id: request.Track.Id, Size: 300})
+	imageURL := imageResp.Url
+	if strings.HasPrefix(imageURL, "http://localhost") {
+		return ""
+	}
+	return imageURL
+}
+
+func (d *DiscordRPPlugin) getArtistList(track *api.TrackInfo) string {
+	return strings.Join(slice.Map(track.Artists, func(a *api.Artist) string { return a.Name }), " • ")
+}
+
+func (d *DiscordRPPlugin) Scrobble(context.Context, *api.ScrobblerScrobbleRequest) (*api.ScrobblerScrobbleResponse, error) {
+	return nil, nil
+}
+
+func (d *DiscordRPPlugin) getConfig(ctx context.Context) (string, map[string]string, error) {
+	const (
+		clientIDKey = "clientid"
+		usersKey    = "users"
+	)
+	confResp, err := d.cfg.GetPluginConfig(ctx, &config.GetPluginConfigRequest{})
+	if err != nil {
+		return "", nil, fmt.Errorf("unable to load config: %w", err)
+	}
+	conf := confResp.GetConfig()
+	if len(conf) < 1 {
+		log.Print("missing configuration")
+		return "", nil, nil
+	}
+	clientID := conf[clientIDKey]
+	if clientID == "" {
+		log.Printf("missing ClientID: %v", conf)
+		return "", nil, nil
+	}
+	cfgUsers := conf[usersKey]
+	if len(cfgUsers) == 0 {
+		log.Print("no users configured")
+		return "", nil, nil
+	}
+	users := map[string]string{}
+	for _, user := range strings.Split(cfgUsers, ",") {
+		tuple := strings.Split(user, ":")
+		if len(tuple) != 2 {
+			return clientID, nil, fmt.Errorf("invalid user config: %s", user)
+		}
+		users[tuple[0]] = tuple[1]
+	}
+	return clientID, users, nil
+}
+
+func (d *DiscordRPPlugin) OnSchedulerCallback(ctx context.Context, req *api.SchedulerCallbackRequest) (*api.SchedulerCallbackResponse, error) {
+	log.Printf("Removing presence for user %s", req.ScheduleId)
+	if err := d.rpc.clearActivity(ctx, req.ScheduleId); err != nil {
+		return nil, fmt.Errorf("failed to clear activity: %w", err)
+	}
+	log.Printf("Disconnecting user %s", req.ScheduleId)
+	if err := d.rpc.disconnect(ctx, req.ScheduleId); err != nil {
+		return nil, fmt.Errorf("failed to disconnect from Discord: %w", err)
+	}
+	return nil, nil
+}
+
+// Creates a new instance of the DiscordRPPlugin, with all host services as dependencies
+var plugin = &DiscordRPPlugin{
+	cfg:     config.NewConfigService(),
+	artwork: artwork.NewArtworkService(),
+	rpc: &discordRPC{
+		ws:  websocket.NewWebSocketService(),
+		web: http.NewHttpService(),
+		mem: cache.NewCacheService(),
+	},
+}
+
+func init() {
+	// Configure logging: No timestamps, no source file/line, prepend [Discord]
+	log.SetFlags(0)
+	log.SetPrefix("[Discord] ")
+
+	// Register plugin capabilities
+	api.RegisterScrobbler(plugin)
+	api.RegisterWebSocketCallback(plugin.rpc)
+
+	// Register named scheduler callbacks, and get the scheduler service for each
+	plugin.sched = api.RegisterNamedSchedulerCallback("close-activity", plugin)
+	plugin.rpc.sched = api.RegisterNamedSchedulerCallback("heartbeat", plugin.rpc)
+}
+
+func main() {}