Files
gonic/server/ctrlsubsonic/handlers_common.go
2020-03-12 15:17:36 +00:00

316 lines
8.6 KiB
Go

package ctrlsubsonic
import (
"log"
"net/http"
"sort"
"strconv"
"time"
"unicode"
"github.com/jinzhu/gorm"
"senan.xyz/g/gonic/db"
"senan.xyz/g/gonic/scanner"
"senan.xyz/g/gonic/server/ctrlsubsonic/params"
"senan.xyz/g/gonic/server/ctrlsubsonic/spec"
"senan.xyz/g/gonic/server/lastfm"
)
func lowerUDecOrHash(in string) string {
lower := unicode.ToLower(rune(in[0]))
if !unicode.IsLetter(lower) {
return "#"
}
return string(lower)
}
func (c *Controller) ServeGetLicence(r *http.Request) *spec.Response {
sub := spec.NewResponse()
sub.Licence = &spec.Licence{
Valid: true,
}
return sub
}
func (c *Controller) ServePing(r *http.Request) *spec.Response {
return spec.NewResponse()
}
func (c *Controller) ServeScrobble(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
id, err := params.GetInt("id")
if err != nil {
return spec.NewError(10, "please provide an `id` parameter")
}
// fetch user to get lastfm session
user := r.Context().Value(CtxUser).(*db.User)
if user.LastFMSession == "" {
return spec.NewError(0, "you don't have a last.fm session")
}
// fetch track for getting info to send to last.fm function
track := &db.Track{}
c.DB.
Preload("Album").
Preload("Artist").
First(track, id)
// scrobble with above info
opts := lastfm.ScrobbleOpts{
Track: track,
// clients will provide time in miliseconds, so use that or
// instead convert UnixNano to miliseconds
StampMili: params.GetIntOr("time", int(time.Now().UnixNano()/1e6)),
Submission: params.GetOr("submission", "true") != "false",
}
err = lastfm.Scrobble(
c.DB.GetSetting("lastfm_api_key"),
c.DB.GetSetting("lastfm_secret"),
user.LastFMSession,
opts,
)
if err != nil {
return spec.NewError(0, "error when submitting: %v", err)
}
return spec.NewResponse()
}
func (c *Controller) ServeGetMusicFolders(r *http.Request) *spec.Response {
folders := &spec.MusicFolders{}
folders.List = []*spec.MusicFolder{
{ID: 1, Name: "music"},
}
sub := spec.NewResponse()
sub.MusicFolders = folders
return sub
}
func (c *Controller) ServeStartScan(r *http.Request) *spec.Response {
go func() {
if err := c.Scanner.Start(); err != nil {
log.Printf("error while scanning: %v\n", err)
}
}()
return c.ServeGetScanStatus(r)
}
func (c *Controller) ServeGetScanStatus(r *http.Request) *spec.Response {
var trackCount int
c.DB.
Model(db.Track{}).
Count(&trackCount)
sub := spec.NewResponse()
sub.ScanStatus = &spec.ScanStatus{
Scanning: scanner.IsScanning(),
Count: trackCount,
}
return sub
}
func (c *Controller) ServeGetUser(r *http.Request) *spec.Response {
user := r.Context().Value(CtxUser).(*db.User)
sub := spec.NewResponse()
sub.User = &spec.User{
Username: user.Name,
AdminRole: user.IsAdmin,
ScrobblingEnabled: user.LastFMSession != "",
Folder: []int{1},
}
return sub
}
func (c *Controller) ServeNotFound(r *http.Request) *spec.Response {
return spec.NewError(70, "view not found")
}
func (c *Controller) ServeGetPlaylists(r *http.Request) *spec.Response {
user := r.Context().Value(CtxUser).(*db.User)
var playlists []*db.Playlist
c.DB.Where("user_id=?", user.ID).Find(&playlists)
sub := spec.NewResponse()
sub.Playlists = &spec.Playlists{
List: make([]*spec.Playlist, len(playlists)),
}
for i, playlist := range playlists {
sub.Playlists.List[i] = spec.NewPlaylist(playlist)
sub.Playlists.List[i].Owner = user.Name
sub.Playlists.List[i].SongCount = playlist.TrackCount
}
return sub
}
func (c *Controller) ServeGetPlaylist(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
playlistID, err := params.GetInt("id")
if err != nil {
return spec.NewError(10, "please provide an `id` parameter")
}
playlist := db.Playlist{}
err = c.DB.
Where("id=?", playlistID).
Find(&playlist).
Error
if gorm.IsRecordNotFoundError(err) {
return spec.NewError(70, "playlist with id `%d` not found", playlistID)
}
user := r.Context().Value(CtxUser).(*db.User)
sub := spec.NewResponse()
sub.Playlist = spec.NewPlaylist(&playlist)
sub.Playlist.Owner = user.Name
sub.Playlist.SongCount = playlist.TrackCount
trackIDs := playlist.GetItems()
sub.Playlist.List = make([]*spec.TrackChild, len(trackIDs))
for i, id := range trackIDs {
track := db.Track{}
c.DB.
Where("id=?", id).
Preload("Album").
Find(&track)
sub.Playlist.List[i] = spec.NewTCTrackByFolder(&track, track.Album)
}
return sub
}
func (c *Controller) ServeUpdatePlaylist(r *http.Request) *spec.Response {
user := r.Context().Value(CtxUser).(*db.User)
params := r.Context().Value(CtxParams).(params.Params)
var playlistID int
if p := params.GetFirstList("id", "playlistId"); p != nil {
playlistID, _ = strconv.Atoi(p[0])
}
// playlistID may be 0 from above. in that case we get a new playlist
// as intended
var playlist db.Playlist
c.DB.
Where("id=?", playlistID).
FirstOrCreate(&playlist)
// ** begin update meta info
playlist.UserID = user.ID
if val := params.Get("name"); val != "" {
playlist.Name = val
}
if val := params.Get("comment"); val != "" {
playlist.Comment = val
}
trackIDs := playlist.GetItems()
// ** begin delete items
if p := params.GetFirstListInt("songIndexToRemove"); p != nil {
sort.Sort(sort.Reverse(sort.IntSlice(p)))
for _, i := range p {
trackIDs = append(trackIDs[:i], trackIDs[i+1:]...)
}
}
// ** begin add items
if p := params.GetFirstListInt("songId", "songIdToAdd"); p != nil {
trackIDs = append(trackIDs, p...)
}
//
playlist.SetItems(trackIDs)
c.DB.Save(playlist)
return spec.NewResponse()
}
func (c *Controller) ServeDeletePlaylist(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
c.DB.
Where("id=?", params.GetIntOr("id", 0)).
Delete(&db.Playlist{})
return spec.NewResponse()
}
func (c *Controller) ServeGetPlayQueue(r *http.Request) *spec.Response {
user := r.Context().Value(CtxUser).(*db.User)
queue := db.PlayQueue{}
err := c.DB.
Where("user_id=?", user.ID).
Find(&queue).
Error
if gorm.IsRecordNotFoundError(err) {
return spec.NewResponse()
}
sub := spec.NewResponse()
sub.PlayQueue = &spec.PlayQueue{}
sub.PlayQueue.Username = user.Name
sub.PlayQueue.Position = queue.Position
sub.PlayQueue.Current = queue.Current
sub.PlayQueue.Changed = queue.UpdatedAt
sub.PlayQueue.ChangedBy = queue.ChangedBy
trackIDs := queue.GetItems()
sub.PlayQueue.List = make([]*spec.TrackChild, len(trackIDs))
for i, id := range trackIDs {
track := db.Track{}
c.DB.
Where("id=?", id).
Preload("Album").
Find(&track)
sub.PlayQueue.List[i] = spec.NewTCTrackByFolder(&track, track.Album)
}
return sub
}
func (c *Controller) ServeSavePlayQueue(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
tracks := params.GetFirstListInt("id")
if tracks == nil {
return spec.NewError(10, "please provide some `id` parameters")
}
user := r.Context().Value(CtxUser).(*db.User)
queue := &db.PlayQueue{UserID: user.ID}
c.DB.Where(queue).First(queue)
queue.Current = params.GetIntOr("current", 0)
queue.Position = params.GetIntOr("position", 0)
queue.ChangedBy = params.Get("c")
queue.SetItems(tracks)
c.DB.Save(queue)
return spec.NewResponse()
}
func (c *Controller) ServeGetSong(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
id, err := params.GetInt("id")
if err != nil {
return spec.NewError(10, "provide an `id` parameter")
}
track := &db.Track{}
err = c.DB.
Where("id=?", id).
Preload("Album").
First(track).
Error
if gorm.IsRecordNotFoundError(err) {
return spec.NewError(10, "couldn't find a track with that id")
}
sub := spec.NewResponse()
sub.Track = spec.NewTrackByTags(track, track.Album)
return sub
}
func (c *Controller) ServeGetRandomSongs(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
var tracks []*db.Track
q := c.DB.DB.
Joins("JOIN albums ON tracks.album_id=albums.id").
Limit(params.GetIntOr("size", 10)).
Preload("Album").
Order(gorm.Expr("random()"))
if year, err := params.GetInt("fromYear"); err == nil {
q = q.Where("albums.tag_year >= ?", year)
}
if year, err := params.GetInt("toYear"); err == nil {
q = q.Where("albums.tag_year <= ?", year)
}
if genre := params.Get("genre"); genre != "" {
q = q.Joins(
"JOIN genres ON tracks.tag_genre_id=genres.id AND genres.name=?",
genre,
)
}
q.Find(&tracks)
sub := spec.NewResponse()
sub.RandomTracks = &spec.RandomTracks{}
sub.RandomTracks.List = make([]*spec.TrackChild, len(tracks))
for i, track := range tracks {
sub.RandomTracks.List[i] = spec.NewTrackByTags(track, track.Album)
}
return sub
}