feat: add context_uri to WebSocket events

See #199

Author: devgianlu

API.md

@@ -13,6 +13,7 @@ The websocket endpoint is available at `/events`. The following events are emitt
 - `active`: The device has become active
 - `inactive`: The device has become inactive
 - `metadata`: A new track was loaded, the following metadata is available:
+    - `context_uri`: The context URI 
     - `uri`: Track URI
     - `name`: Track name
     - `artist_names`: List of track artist names
@@ -21,21 +22,26 @@ The websocket endpoint is available at `/events`. The following events are emitt
     - `position`: Track position in milliseconds
     - `duration`: Track duration in milliseconds
 - `will_play`: The player is about to play the specified track
+    - `context_uri`: The context URI
     - `uri`: The track URI
     - `play_origin`: Who started the playback
 - `playing`: The current track is playing
+    - `context_uri`: The context URI
     - `uri`: The track URI
     - `resume`: Was this resumed from paused playback?
     - `play_origin`: Who started the playback
 - `not_playing`: The current track has finished playing
+    - `context_uri`: The context URI
     - `uri`: The track URI
     - `play_origin`: Who started the playback
 - `paused`: The current track is paused
+    - `context_uri`: The context URI
     - `uri`: The track URI
     - `play_origin`: Who started the playback
 - `stopped`: The current context is empty, nothing more to play
     - `play_origin`: Who started the playback
 - `seek`: The current track was seeked, the following data is provided:
+    - `context_uri`: The context URI
     - `uri`: The track URI
     - `position`: Track position in milliseconds
     - `duration`: Track duration in milliseconds

cmd/daemon/api_server.go

@@ -234,22 +234,26 @@ type ApiEventDataMetadata ApiResponseStatusTrack
 type ApiEventDataVolume ApiResponseVolume
 
 type ApiEventDataPlaying struct {
+	ContextUri string `json:"context_uri"`
 	Uri        string `json:"uri"`
 	Resume     bool   `json:"resume"`
 	PlayOrigin string `json:"play_origin"`
 }
 
 type ApiEventDataWillPlay struct {
+	ContextUri string `json:"context_uri"`
 	Uri        string `json:"uri"`
 	PlayOrigin string `json:"play_origin"`
 }
 
 type ApiEventDataNotPlaying struct {
+	ContextUri string `json:"context_uri"`
 	Uri        string `json:"uri"`
 	PlayOrigin string `json:"play_origin"`
 }
 
 type ApiEventDataPaused struct {
+	ContextUri string `json:"context_uri"`
 	Uri        string `json:"uri"`
 	PlayOrigin string `json:"play_origin"`
 }
@@ -259,6 +263,7 @@ type ApiEventDataStopped struct {
 }
 
 type ApiEventDataSeek struct {
+	ContextUri string `json:"context_uri"`
 	Uri        string `json:"uri"`
 	Position   int    `json:"position"`
 	Duration   int    `json:"duration"`

cmd/daemon/controls.go

@@ -96,6 +96,7 @@ func (p *AppPlayer) handlePlayerEvent(ctx context.Context, ev *player.Event) {
 		p.app.server.Emit(&ApiEvent{
 			Type: ApiEventTypePlaying,
 			Data: ApiEventDataPlaying{
+				ContextUri: p.state.player.ContextUri,
 				Uri:        p.state.player.Track.Uri,
 				Resume:     false,
 				PlayOrigin: p.state.playOrigin(),
@@ -112,6 +113,7 @@ func (p *AppPlayer) handlePlayerEvent(ctx context.Context, ev *player.Event) {
 		p.app.server.Emit(&ApiEvent{
 			Type: ApiEventTypePlaying,
 			Data: ApiEventDataPlaying{
+				ContextUri: p.state.player.ContextUri,
 				Uri:        p.state.player.Track.Uri,
 				Resume:     true,
 				PlayOrigin: p.state.playOrigin(),
@@ -135,6 +137,7 @@ func (p *AppPlayer) handlePlayerEvent(ctx context.Context, ev *player.Event) {
 		p.app.server.Emit(&ApiEvent{
 			Type: ApiEventTypePaused,
 			Data: ApiEventDataPaused{
+				ContextUri: p.state.player.ContextUri,
 				Uri:        p.state.player.Track.Uri,
 				PlayOrigin: p.state.playOrigin(),
 			},
@@ -145,6 +148,7 @@ func (p *AppPlayer) handlePlayerEvent(ctx context.Context, ev *player.Event) {
 		p.app.server.Emit(&ApiEvent{
 			Type: ApiEventTypeNotPlaying,
 			Data: ApiEventDataNotPlaying{
+				ContextUri: p.state.player.ContextUri,
 				Uri:        p.state.player.Track.Uri,
 				PlayOrigin: p.state.playOrigin(),
 			},
@@ -269,6 +273,7 @@ func (p *AppPlayer) loadCurrentTrack(ctx context.Context, paused, drop bool) err
 	p.app.server.Emit(&ApiEvent{
 		Type: ApiEventTypeWillPlay,
 		Data: ApiEventDataWillPlay{
+			ContextUri: p.state.player.ContextUri,
 			Uri:        spotId.Uri(),
 			PlayOrigin: p.state.playOrigin(),
 		},
@@ -476,6 +481,7 @@ func (p *AppPlayer) seek(ctx context.Context, position int64) error {
 	p.app.server.Emit(&ApiEvent{
 		Type: ApiEventTypeSeek,
 		Data: ApiEventDataSeek{
+			ContextUri: p.state.player.ContextUri,
 			Uri:        p.state.player.Track.Uri,
 			Position:   int(position),
 			Duration:   int(p.primaryStream.Media.Duration()),