Implemented subsonic loves import

backends/backends.go

@@ -33,6 +33,7 @@ import (
 	"go.uploadedlobster.com/scotty/backends/listenbrainz"
 	"go.uploadedlobster.com/scotty/backends/maloja"
 	"go.uploadedlobster.com/scotty/backends/scrobblerlog"
+	"go.uploadedlobster.com/scotty/backends/subsonic"
 	"go.uploadedlobster.com/scotty/models"
 )
 
@@ -81,6 +82,7 @@ var knownBackends = map[string]func() models.Backend{
 	"listenbrainz-api": func() models.Backend { return &listenbrainz.ListenBrainzApiBackend{} },
 	"maloja-api":       func() models.Backend { return &maloja.MalojaApiBackend{} },
 	"scrobbler-log":    func() models.Backend { return &scrobblerlog.ScrobblerLogBackend{} },
+	"subsonic-api":     func() models.Backend { return &subsonic.SubsonicApiBackend{} },
 }
 
 func resolveBackend(config *viper.Viper) (string, models.Backend, error) {

backends/subsonic/subsonic.go

@@ -0,0 +1,91 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package subsonic
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/delucks/go-subsonic"
+	"github.com/spf13/viper"
+	"go.uploadedlobster.com/scotty/models"
+)
+
+type SubsonicApiBackend struct {
+	client   subsonic.Client
+	password string
+}
+
+func (b SubsonicApiBackend) FromConfig(config *viper.Viper) models.Backend {
+	b.client = subsonic.Client{
+		Client:     &http.Client{},
+		BaseUrl:    config.GetString("server-url"),
+		User:       config.GetString("username"),
+		ClientName: "Scotty",
+	}
+	b.password = config.GetString("token")
+	return b
+}
+
+func (b SubsonicApiBackend) ExportLoves(oldestTimestamp time.Time) ([]models.Love, error) {
+	err := b.client.Authenticate(b.password)
+	if err != nil {
+		return nil, err
+	}
+
+	result, err := b.client.GetStarred2(map[string]string{})
+	if err != nil {
+		return nil, err
+	}
+
+	loves := make([]models.Love, 0)
+out:
+	for _, song := range result.Song {
+		love := SongToLove(*song, b.client.User)
+		if love.Created.Unix() > oldestTimestamp.Unix() {
+			loves = append(loves, love)
+		} else {
+			break out
+		}
+	}
+
+	// TODO: Sort by creation date ascending
+	return loves, nil
+}
+
+func SongToLove(song subsonic.Child, username string) models.Love {
+	love := models.Love{
+		UserName: username,
+		Created:  song.Starred,
+		Track: models.Track{
+			TrackName:      song.Title,
+			ReleaseName:    song.Album,
+			ArtistNames:    []string{song.Artist},
+			TrackNumber:    song.Track,
+			Tags:           []string{song.Genre},
+			AdditionalInfo: map[string]any{},
+			Duration:       time.Duration(song.Duration * int(time.Second)),
+		},
+	}
+
+	return love
+}

backends/subsonic/subsonic_test.go

@@ -0,0 +1,63 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package subsonic_test
+
+import (
+	"testing"
+	"time"
+
+	go_subsonic "github.com/delucks/go-subsonic"
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/assert"
+	"go.uploadedlobster.com/scotty/backends/subsonic"
+)
+
+func TestFromConfig(t *testing.T) {
+	config := viper.New()
+	config.Set("server-url", "https://subsonic.example.com")
+	config.Set("token", "thetoken")
+	backend := subsonic.SubsonicApiBackend{}.FromConfig(config)
+	assert.IsType(t, subsonic.SubsonicApiBackend{}, backend)
+}
+
+func TestSongToLove(t *testing.T) {
+	user := "outsidecontext"
+	song := go_subsonic.Child{
+		Starred:    time.Unix(1699574369, 0),
+		Title:      "Oweynagat",
+		Album:      "Here Now, There Then",
+		Artist:     "Dool",
+		Duration:   414,
+		Genre:      "psychedelic rock",
+		DiscNumber: 1,
+		Track:      5,
+	}
+	love := subsonic.SongToLove(song, user)
+	assert.Equal(t, time.Unix(1699574369, 0).Unix(), love.Created.Unix())
+	assert.Equal(t, user, love.UserName)
+	assert.Equal(t, time.Duration(414*time.Second), love.Duration)
+	assert.Equal(t, song.Title, love.TrackName)
+	assert.Equal(t, song.Album, love.ReleaseName)
+	assert.Equal(t, []string{song.Artist}, love.ArtistNames)
+	assert.Equal(t, song.Track, love.Track.TrackNumber)
+	assert.Equal(t, []string{song.Genre}, love.Track.Tags)
+}

go.mod

@@ -4,6 +4,7 @@ go 1.21.1
 
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/delucks/go-subsonic v0.0.0-20220915164742-2744002c4be5 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-resty/resty/v2 v2.10.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect

go.sum

@@ -51,6 +51,8 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/delucks/go-subsonic v0.0.0-20220915164742-2744002c4be5 h1:RuuxidatioSKGOiBzL1mTY4X22DQD8weEbS3iRLHnAg=
+github.com/delucks/go-subsonic v0.0.0-20220915164742-2744002c4be5/go.mod h1:vnbEuj6Z20PLcHB4rrLQAOXGMjtULfMGhRVSFPcSdUo=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=