scotty/backends/maloja/maloja.go
Philipp Wolfer 117014a977
Change project license to GPLv3
Individual files, mainly the models and the HTTP clients stay under MIT
2023-11-22 08:05:23 +01:00

139 lines
3.6 KiB
Go

/*
Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
This file is part of Scotty.
Scotty is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later version.
Scotty is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
Scotty. If not, see <https://www.gnu.org/licenses/>.
*/
package maloja
import (
"errors"
"sort"
"strings"
"time"
"github.com/spf13/viper"
"go.uploadedlobster.com/scotty/models"
)
type MalojaApiBackend struct {
client Client
nofix bool
}
func (b *MalojaApiBackend) Name() string { return "maloja" }
func (b *MalojaApiBackend) FromConfig(config *viper.Viper) models.Backend {
b.client = NewClient(
config.GetString("server-url"),
config.GetString("token"),
)
b.nofix = config.GetBool("nofix")
return b
}
func (b *MalojaApiBackend) StartImport() error { return nil }
func (b *MalojaApiBackend) FinishImport() error { return nil }
func (b *MalojaApiBackend) ExportListens(oldestTimestamp time.Time, results chan models.ListensResult, progress chan models.Progress) {
page := 0
perPage := MaxItemsPerGet
defer close(results)
defer close(progress)
// We need to gather the full list of listens in order to sort them
listens := make(models.ListensList, 0, 2*perPage)
p := models.Progress{Total: int64(perPage)}
out:
for {
result, err := b.client.GetScrobbles(page, perPage)
if err != nil {
progress <- p.Complete()
results <- models.ListensResult{Error: err}
return
}
count := len(result.List)
if count == 0 {
break
}
for _, scrobble := range result.List {
if scrobble.ListenedAt > oldestTimestamp.Unix() {
p.Elapsed += 1
listens = append(listens, scrobble.ToListen())
} else {
break out
}
}
p.Total += int64(perPage)
progress <- p
page += 1
}
sort.Sort(listens)
progress <- p.Complete()
results <- models.ListensResult{Listens: listens}
}
func (b *MalojaApiBackend) ImportListens(export models.ListensResult, importResult models.ImportResult, progress chan models.Progress) (models.ImportResult, error) {
for _, listen := range export.Listens {
scrobble := NewScrobble{
Title: listen.TrackName,
Artists: listen.ArtistNames,
Album: listen.ReleaseName,
Duration: int64(listen.PlaybackDuration.Seconds()),
Length: int64(listen.Duration.Seconds()),
Time: listen.ListenedAt.Unix(),
Nofix: b.nofix,
}
resp, err := b.client.NewScrobble(scrobble)
if err != nil {
return importResult, err
} else if resp.Status != "success" {
return importResult, errors.New(resp.Error.Description)
}
importResult.UpdateTimestamp(listen.ListenedAt)
importResult.ImportCount += 1
progress <- models.Progress{}.FromImportResult(importResult)
}
return importResult, nil
}
func (s Scrobble) ToListen() models.Listen {
track := s.Track
listen := models.Listen{
ListenedAt: time.Unix(s.ListenedAt, 0),
PlaybackDuration: time.Duration(s.Duration * int64(time.Second)),
Track: models.Track{
TrackName: track.Title,
ReleaseName: track.Album.Title,
ArtistNames: track.Artists,
Duration: time.Duration(track.Length * int64(time.Second)),
AdditionalInfo: map[string]any{},
},
}
client, found := strings.CutPrefix(s.Origin, "client:")
if found {
listen.AdditionalInfo["media_player"] = client
}
return listen
}