/* Copyright © 2023 Philipp Wolfer 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 spotify import ( "sort" "strconv" "time" "github.com/spf13/viper" "go.uploadedlobster.com/scotty/models" "golang.org/x/oauth2" "golang.org/x/oauth2/spotify" ) type SpotifyApiBackend struct { client Client clientId string clientSecret string } func (b *SpotifyApiBackend) Name() string { return "spotify" } func (b *SpotifyApiBackend) FromConfig(config *viper.Viper) models.Backend { b.clientId = config.GetString("client-id") b.clientSecret = config.GetString("client-secret") return b } func (b *SpotifyApiBackend) OAuth2Config(redirectUrl string) oauth2.Config { return oauth2.Config{ ClientID: b.clientId, ClientSecret: b.clientSecret, Scopes: []string{"user-read-recently-played"}, RedirectURL: redirectUrl, Endpoint: spotify.Endpoint, } } func (b *SpotifyApiBackend) OAuth2Setup(redirectUrl string, token *oauth2.Token) error { config := b.OAuth2Config(redirectUrl) b.client = NewClient(config, token) return nil } func (b *SpotifyApiBackend) ExportListens(oldestTimestamp time.Time, results chan models.ListensResult, progress chan models.Progress) { startTime := time.Now() minTime := oldestTimestamp totalDuration := startTime.Sub(oldestTimestamp) defer close(results) defer close(progress) p := models.Progress{Total: int64(totalDuration.Seconds())} out: for { result, err := b.client.RecentlyPlayedAfter(minTime, MaxItemsPerGet) if err != nil { progress <- p.Complete() results <- models.ListensResult{Error: err} return } if result.Cursors.After == "" { break } // Set minTime to the newest returned listen after, err := strconv.ParseInt(result.Cursors.After, 10, 64) if err != nil { progress <- p.Complete() results <- models.ListensResult{Error: err} return } else if after <= minTime.Unix() { // new cursor timestamp did not progress break } minTime = time.Unix(after, 0) remainingTime := startTime.Sub(minTime) count := len(result.Items) if count == 0 { break } listens := make(models.ListensList, 0, len(result.Items)) for _, listen := range result.Items { l := listen.ToListen() if l.ListenedAt.Unix() > oldestTimestamp.Unix() { listens = append(listens, l) } else { // result contains listens older then oldestTimestamp, // we can stop requesting more break out } } sort.Sort(listens) p.Elapsed = int64(totalDuration.Seconds() - remainingTime.Seconds()) progress <- p results <- models.ListensResult{Listens: listens, OldestTimestamp: minTime} } results <- models.ListensResult{OldestTimestamp: minTime} progress <- p.Complete() } func (l Listen) ToListen() models.Listen { track := l.Track listen := models.Listen{ Track: models.Track{ TrackName: track.Name, ReleaseName: track.Album.Name, ArtistNames: make([]string, 0, len(track.Artists)), Duration: time.Duration(track.DurationMs * int(time.Millisecond)), TrackNumber: track.TrackNumber, Isrc: track.ExternalIds.ISRC, AdditionalInfo: map[string]any{}, }, } listen.ListenedAt, _ = time.Parse(time.RFC3339, l.PlayedAt) for _, artist := range track.Artists { listen.Track.ArtistNames = append(listen.Track.ArtistNames, artist.Name) } info := listen.AdditionalInfo if !l.Track.IsLocal { info["music_service"] = "spotify.com" } if track.ExternalUrls.Spotify != "" { info["origin_url"] = track.ExternalUrls.Spotify info["spotify_id"] = track.ExternalUrls.Spotify } if track.Album.ExternalUrls.Spotify != "" { info["spotify_album_id"] = track.Album.ExternalUrls.Spotify } if len(track.Artists) > 0 { info["spotify_artist_ids"] = extractArtistIds(track.Artists) } if len(track.Album.Artists) > 0 { info["spotify_album_artist_ids"] = extractArtistIds(track.Album.Artists) } return listen } func extractArtistIds(artists []Artist) []string { artistIds := make([]string, len(artists)) for i, artist := range artists { artistIds[i] = artist.ExternalUrls.Spotify } return artistIds }