POST endpoint for importing m3u playlists - #2078 (#2273)

* wip: API endpoint for creating playlists from m3u files

* wip: get user id from context

* temporarily disable failing test

* custom logic for playlist route to accomodate m3u content type

* incorporate playlist parsing into existing logic in core

* re-enable test

* fix locally failing test

* Address requested changes.

* Improve ImportFile tests.

* Remove ownerID as a parameter of ImportM3U.

* Write tests for ImportM3U.

* Separate ImportM3U test into two.

* Test OwnerID and playlist Name.

---------

Co-authored-by: Sam Watson <SwatsonCodes@users.noreply.github.com>
Co-authored-by: caiocotts <caio@cotts.com.br>

server/nativeapi/native_api.go

@@ -14,12 +14,13 @@ import (
 
 type Router struct {
 	http.Handler
-	ds    model.DataStore
-	share core.Share
+	ds        model.DataStore
+	share     core.Share
+	playlists core.Playlists
 }
 
-func New(ds model.DataStore, share core.Share) *Router {
-	r := &Router{ds: ds, share: share}
+func New(ds model.DataStore, share core.Share, playlists core.Playlists) *Router {
+	r := &Router{ds: ds, share: share, playlists: playlists}
 	r.Handler = r.routes()
 	return r
 }
@@ -40,13 +41,13 @@ func (n *Router) routes() http.Handler {
 		n.R(r, "/artist", model.Artist{}, false)
 		n.R(r, "/genre", model.Genre{}, false)
 		n.R(r, "/player", model.Player{}, true)
-		n.R(r, "/playlist", model.Playlist{}, true)
 		n.R(r, "/transcoding", model.Transcoding{}, conf.Server.EnableTranscodingConfig)
 		n.R(r, "/radio", model.Radio{}, true)
 		if conf.Server.EnableSharing {
 			n.RX(r, "/share", n.share.NewRepository, true)
 		}
 
+		n.addPlaylistRoute(r)
 		n.addPlaylistTrackRoute(r)
 
 		// Keepalive endpoint to be used to keep the session valid (ex: while playing songs)
@@ -82,6 +83,30 @@ func (n *Router) RX(r chi.Router, pathPrefix string, constructor rest.Repository
 	})
 }
 
+func (n *Router) addPlaylistRoute(r chi.Router) {
+	constructor := func(ctx context.Context) rest.Repository {
+		return n.ds.Resource(ctx, model.Playlist{})
+	}
+
+	r.Route("/playlist", func(r chi.Router) {
+		r.Get("/", rest.GetAll(constructor))
+		r.Post("/", func(w http.ResponseWriter, r *http.Request) {
+			if r.Header.Get("Content-type") == "application/json" {
+				rest.Post(constructor)(w, r)
+				return
+			}
+			createPlaylistFromM3U(n.playlists)(w, r)
+		})
+
+		r.Route("/{id}", func(r chi.Router) {
+			r.Use(server.URLParamsMiddleware)
+			r.Get("/", rest.Get(constructor))
+			r.Put("/", rest.Put(constructor))
+			r.Delete("/", rest.Delete(constructor))
+		})
+	})
+}
+
 func (n *Router) addPlaylistTrackRoute(r chi.Router) {
 	r.Route("/playlist/{playlistId}/tracks", func(r chi.Router) {
 		r.Get("/", func(w http.ResponseWriter, r *http.Request) {

server/nativeapi/playlists.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/deluan/rest"
 	"github.com/go-chi/chi/v5"
+	"github.com/navidrome/navidrome/core"
 	"github.com/navidrome/navidrome/log"
 	"github.com/navidrome/navidrome/model"
 	"github.com/navidrome/navidrome/utils"
@@ -42,6 +43,26 @@ func getPlaylist(ds model.DataStore) http.HandlerFunc {
 	}
 }
 
+func createPlaylistFromM3U(playlists core.Playlists) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		ctx := r.Context()
+		pls, err := playlists.ImportM3U(ctx, r.Body)
+		if err != nil {
+			log.Error(r.Context(), "Error parsing playlist", err)
+			// TODO: consider returning StatusBadRequest for playlists that are malformed
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		w.WriteHeader(http.StatusCreated)
+		_, err = w.Write([]byte(pls.ToM3U8()))
+		if err != nil {
+			log.Error(ctx, "Error sending m3u contents", err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+}
+
 func handleExportPlaylist(ds model.DataStore) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		ctx := r.Context()

server/subsonic/responses/responses_test.go

@@ -625,7 +625,8 @@ var _ = Describe("Responses", func() {
 
 		Context("with data", func() {
 			BeforeEach(func() {
-				t, _ := time.Parse(time.RFC822, time.RFC822)
+				timeFmt := "2006-01-02 15:04:00"
+				t, _ := time.Parse(timeFmt, timeFmt)
 				response.ScanStatus = &ScanStatus{
 					Scanning:    true,
 					FolderCount: 123,