Listenbrainz scrobbling (#1424)

* Refactor session_keys to its own package

* Adjust play_tracker

- Don't send external NowPlaying/Scrobble for tracks with unknown artist
- Continue to the next agent on error

* Implement ListenBrainz Agent and Auth Router

* Implement frontend for ListenBrainz linking

* Update listenBrainzRequest

- Don't marshal Player to json
- Rename Track to Title

* Return ErrRetryLater on ListenBrainz server errors

* Add tests for listenBrainzAgent

* Add tests for ListenBrainz Client

* Adjust ListenBrainzTokenDialog to handle errors better

* Refactor listenbrainz.formatListen and listenBrainzRequest structs

* Refactor agent auth_routers

* Refactor session_keys to agents package

* Add test for listenBrainzResponse

* Add tests for ListenBrainz auth_router

* Update ListenBrainzTokenDialog and auth_router

* Adjust player scrobble toggle

cmd/root.go

@@ -80,6 +80,9 @@ func startServer() (func() error, func(err error)) {
 			if conf.Server.LastFM.Enabled {
 				a.MountRouter("LastFM Auth", consts.URLPathNativeAPI+"/lastfm", CreateLastFMRouter())
 			}
+			if conf.Server.DevListenBrainzEnabled {
+				a.MountRouter("ListenBrainz Auth", consts.URLPathNativeAPI+"/listenbrainz", CreateListenBrainzRouter())
+			}
 			return a.Run(fmt.Sprintf("%s:%d", conf.Server.Address, conf.Server.Port))
 		}, func(err error) {
 			if err != nil {

cmd/wire_gen.go

@@ -11,6 +11,7 @@ import (
 	"github.com/navidrome/navidrome/core"
 	"github.com/navidrome/navidrome/core/agents"
 	"github.com/navidrome/navidrome/core/agents/lastfm"
+	"github.com/navidrome/navidrome/core/agents/listenbrainz"
 	"github.com/navidrome/navidrome/core/scrobbler"
 	"github.com/navidrome/navidrome/core/transcoder"
 	"github.com/navidrome/navidrome/db"
@@ -68,6 +69,13 @@ func CreateLastFMRouter() *lastfm.Router {
 	return router
 }
 
+func CreateListenBrainzRouter() *listenbrainz.Router {
+	sqlDB := db.Db()
+	dataStore := persistence.New(sqlDB)
+	router := listenbrainz.NewRouter(dataStore)
+	return router
+}
+
 func createScanner() scanner.Scanner {
 	sqlDB := db.Db()
 	dataStore := persistence.New(sqlDB)
@@ -82,7 +90,7 @@ func createScanner() scanner.Scanner {
 
 // wire_injectors.go:
 
-var allProviders = wire.NewSet(core.Set, subsonic.New, nativeapi.New, persistence.New, lastfm.NewRouter, events.GetBroker, db.Db)
+var allProviders = wire.NewSet(core.Set, subsonic.New, nativeapi.New, persistence.New, lastfm.NewRouter, listenbrainz.NewRouter, events.GetBroker, db.Db)
 
 // Scanner must be a Singleton
 var (

cmd/wire_injectors.go

@@ -9,6 +9,7 @@ import (
 	"github.com/google/wire"
 	"github.com/navidrome/navidrome/core"
 	"github.com/navidrome/navidrome/core/agents/lastfm"
+	"github.com/navidrome/navidrome/core/agents/listenbrainz"
 	"github.com/navidrome/navidrome/db"
 	"github.com/navidrome/navidrome/persistence"
 	"github.com/navidrome/navidrome/scanner"
@@ -24,6 +25,7 @@ var allProviders = wire.NewSet(
 	nativeapi.New,
 	persistence.New,
 	lastfm.NewRouter,
+	listenbrainz.NewRouter,
 	events.GetBroker,
 	db.Db,
 )
@@ -54,6 +56,12 @@ func CreateLastFMRouter() *lastfm.Router {
 	))
 }
 
+func CreateListenBrainzRouter() *listenbrainz.Router {
+	panic(wire.Build(
+		allProviders,
+	))
+}
+
 // Scanner must be a Singleton
 var (
 	onceScanner     sync.Once