/
handlers_by_folder.go
340 lines (317 loc) · 10.3 KB
/
handlers_by_folder.go
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package ctrlsubsonic
import (
"fmt"
"net/http"
"strings"
"github.com/jinzhu/gorm"
"go.senan.xyz/gonic/db"
"go.senan.xyz/gonic/server/ctrlsubsonic/params"
"go.senan.xyz/gonic/server/ctrlsubsonic/spec"
)
// the subsonic spec mentions "artist" a lot when talking about the
// browse by folder endpoints. but since we're not browsing by tag
// we can't access artists. so instead we'll consider the artist of
// an track to be the it's respective folder that comes directly
// under the root directory
func (c *Controller) ServeGetIndexes(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
user := r.Context().Value(CtxUser).(*db.User)
rootQ := c.DB.
Select("id").
Model(&db.Album{}).
Where("parent_id IS NULL")
if m := c.getMusicFolder(params); m != "" {
rootQ = rootQ.
Where("root_dir=?", m)
}
var folders []*db.Album
c.DB.
Select("*, count(sub.id) child_count").
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID).
Joins("LEFT JOIN albums sub ON albums.id=sub.parent_id").
Where("albums.parent_id IN ?", rootQ.SubQuery()).
Group("albums.id").
Order("albums.right_path COLLATE NOCASE").
Find(&folders)
// [a-z#] -> 27
indexMap := make(map[string]*spec.Index, 27)
resp := make([]*spec.Index, 0, 27)
for _, folder := range folders {
key := lowerUDecOrHash(folder.IndexRightPath())
if _, ok := indexMap[key]; !ok {
indexMap[key] = &spec.Index{
Name: key,
Artists: []*spec.Artist{},
}
resp = append(resp, indexMap[key])
}
indexMap[key].Artists = append(indexMap[key].Artists, spec.NewArtistByFolder(folder))
}
sub := spec.NewResponse()
sub.Indexes = &spec.Indexes{
LastModified: 0,
Index: resp,
}
return sub
}
func (c *Controller) ServeGetMusicDirectory(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
id, err := params.GetID("id")
if err != nil {
return spec.NewError(10, "please provide an `id` parameter")
}
user := r.Context().Value(CtxUser).(*db.User)
childrenObj := []*spec.TrackChild{}
folder := &db.Album{}
c.DB.
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID).
First(folder, id.Value)
// start looking for child childFolders in the current dir
var childFolders []*db.Album
c.DB.
Where("parent_id=?", id.Value).
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID).
Order("albums.right_path COLLATE NOCASE").
Find(&childFolders)
for _, ch := range childFolders {
childrenObj = append(childrenObj, spec.NewTCAlbumByFolder(ch))
}
// start looking for child childTracks in the current dir
var childTracks []*db.Track
c.DB.
Where("album_id=?", id.Value).
Preload("Album").
Preload("Album.TagArtist").
Preload("TrackStar", "user_id=?", user.ID).
Preload("TrackRating", "user_id=?", user.ID).
Order("filename").
Find(&childTracks)
for _, ch := range childTracks {
toAppend := spec.NewTCTrackByFolder(ch, folder)
if v, _ := params.Get("c"); v == "Jamstash" {
// jamstash thinks it can't play flacs
toAppend.ContentType = "audio/mpeg"
toAppend.Suffix = "mp3"
}
childrenObj = append(childrenObj, toAppend)
}
// respond section
sub := spec.NewResponse()
sub.Directory = spec.NewDirectoryByFolder(folder, childrenObj)
return sub
}
// ServeGetAlbumList handles the getAlbumList view.
// changes to this function should be reflected in in _by_tags.go's
// getAlbumListTwo() function
func (c *Controller) ServeGetAlbumList(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
user := r.Context().Value(CtxUser).(*db.User)
q := c.DB.DB
switch v, _ := params.Get("type"); v {
case "alphabeticalByArtist":
q = q.Joins(`
JOIN albums parent_albums
ON albums.parent_id=parent_albums.id`)
q = q.Order("parent_albums.right_path")
case "alphabeticalByName":
q = q.Order("right_path")
case "byYear":
fromYear := params.GetOrInt("fromYear", 1800)
toYear := params.GetOrInt("toYear", 2200)
if fromYear > toYear {
toYear, fromYear = fromYear, toYear
}
q = q.Where("tag_year BETWEEN ? AND ?", fromYear, toYear)
q = q.Order("tag_year")
case "byGenre":
genre, _ := params.Get("genre")
q = q.Joins("JOIN album_genres ON album_genres.album_id=albums.id")
q = q.Joins("JOIN genres ON genres.id=album_genres.genre_id AND genres.name=?", genre)
case "frequent":
q = q.Joins(`
JOIN plays
ON albums.id=plays.album_id AND plays.user_id=?`,
user.ID)
q = q.Order("plays.count DESC")
case "newest":
q = q.Order("created_at DESC")
case "random":
q = q.Order(gorm.Expr("random()"))
case "recent":
user := r.Context().Value(CtxUser).(*db.User)
q = q.Joins(`
JOIN plays
ON albums.id=plays.album_id AND plays.user_id=?`,
user.ID)
q = q.Order("plays.time DESC")
default:
return spec.NewError(10, "unknown value `%s` for parameter 'type'", v)
}
if m := c.getMusicFolder(params); m != "" {
q = q.Where("root_dir=?", m)
}
var folders []*db.Album
// TODO: think about removing this extra join to count number
// of children. it might make sense to store that in the db
q.
Select("albums.*, count(tracks.id) child_count, sum(tracks.length) duration").
Joins("LEFT JOIN tracks ON tracks.album_id=albums.id").
Group("albums.id").
Where("albums.tag_artist_id IS NOT NULL").
Offset(params.GetOrInt("offset", 0)).
Limit(params.GetOrInt("size", 10)).
Preload("Parent").
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID).
Find(&folders)
sub := spec.NewResponse()
sub.Albums = &spec.Albums{
List: make([]*spec.Album, len(folders)),
}
for i, folder := range folders {
sub.Albums.List[i] = spec.NewAlbumByFolder(folder)
}
return sub
}
func (c *Controller) ServeSearchTwo(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
user := r.Context().Value(CtxUser).(*db.User)
query, err := params.Get("query")
if err != nil {
return spec.NewError(10, "please provide a `query` parameter")
}
query = fmt.Sprintf("%%%s%%", strings.Trim(query, `*"'`))
results := &spec.SearchResultTwo{}
// search "artists"
rootQ := c.DB.
Select("id").
Model(&db.Album{}).
Where("parent_id IS NULL")
if m := c.getMusicFolder(params); m != "" {
rootQ = rootQ.Where("root_dir=?", m)
}
var artists []*db.Album
q := c.DB.
Where(`parent_id IN ? AND (right_path LIKE ? OR right_path_u_dec LIKE ?)`, rootQ.SubQuery(), query, query).
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID).
Offset(params.GetOrInt("artistOffset", 0)).
Limit(params.GetOrInt("artistCount", 20))
if err := q.Find(&artists).Error; err != nil {
return spec.NewError(0, "find artists: %v", err)
}
for _, a := range artists {
results.Artists = append(results.Artists, spec.NewDirectoryByFolder(a, nil))
}
// search "albums"
var albums []*db.Album
q = c.DB.
Where(`tag_artist_id IS NOT NULL AND (right_path LIKE ? OR right_path_u_dec LIKE ?)`, query, query).
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID).
Offset(params.GetOrInt("albumOffset", 0)).
Limit(params.GetOrInt("albumCount", 20))
if m := c.getMusicFolder(params); m != "" {
q = q.Where("root_dir=?", m)
}
if err := q.Find(&albums).Error; err != nil {
return spec.NewError(0, "find albums: %v", err)
}
for _, a := range albums {
results.Albums = append(results.Albums, spec.NewTCAlbumByFolder(a))
}
// search tracks
var tracks []*db.Track
q = c.DB.
Preload("Album").
Where("filename LIKE ? OR filename_u_dec LIKE ?", query, query).
Preload("TrackStar", "user_id=?", user.ID).
Preload("TrackRating", "user_id=?", user.ID).
Offset(params.GetOrInt("songOffset", 0)).
Limit(params.GetOrInt("songCount", 20))
if m := c.getMusicFolder(params); m != "" {
q = q.
Joins("JOIN albums ON albums.id=tracks.album_id").
Where("albums.root_dir=?", m)
}
if err := q.Find(&tracks).Error; err != nil {
return spec.NewError(0, "find tracks: %v", err)
}
for _, t := range tracks {
results.Tracks = append(results.Tracks, spec.NewTCTrackByFolder(t, t.Album))
}
sub := spec.NewResponse()
sub.SearchResultTwo = results
return sub
}
func (c *Controller) ServeGetArtistInfo(r *http.Request) *spec.Response {
return spec.NewResponse()
}
func (c *Controller) ServeGetStarred(r *http.Request) *spec.Response {
params := r.Context().Value(CtxParams).(params.Params)
user := r.Context().Value(CtxUser).(*db.User)
results := &spec.Starred{}
// "artists"
rootQ := c.DB.
Select("id").
Model(&db.Album{}).
Where("parent_id IS NULL")
if m := c.getMusicFolder(params); m != "" {
rootQ = rootQ.Where("root_dir=?", m)
}
var artists []*db.Album
q := c.DB.
Where(`parent_id IN ?`, rootQ.SubQuery()).
Joins("JOIN album_stars ON albums.id=album_stars.album_id").
Where("album_stars.user_id=?", user.ID).
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID)
if err := q.Find(&artists).Error; err != nil {
return spec.NewError(0, "find artists: %v", err)
}
for _, a := range artists {
results.Artists = append(results.Artists, spec.NewDirectoryByFolder(a, nil))
}
// "albums"
var albums []*db.Album
q = c.DB.
Where("tag_artist_id IS NOT NULL").
Joins("JOIN album_stars ON albums.id=album_stars.album_id").
Where("album_stars.user_id=?", user.ID).
Preload("AlbumStar", "user_id=?", user.ID).
Preload("AlbumRating", "user_id=?", user.ID)
if m := c.getMusicFolder(params); m != "" {
q = q.Where("root_dir=?", m)
}
if err := q.Find(&albums).Error; err != nil {
return spec.NewError(0, "find albums: %v", err)
}
for _, a := range albums {
results.Albums = append(results.Albums, spec.NewTCAlbumByFolder(a))
}
// tracks
var tracks []*db.Track
q = c.DB.
Preload("Album").
Joins("JOIN track_stars ON tracks.id=track_stars.track_id").
Where("track_stars.user_id=?", user.ID).
Preload("TrackStar", "user_id=?", user.ID).
Preload("TrackRating", "user_id=?", user.ID)
if m := c.getMusicFolder(params); m != "" {
q = q.
Joins("JOIN albums ON albums.id=tracks.album_id").
Where("albums.root_dir=?", m)
}
if err := q.Find(&tracks).Error; err != nil {
return spec.NewError(0, "find tracks: %v", err)
}
for _, t := range tracks {
results.Tracks = append(results.Tracks, spec.NewTCTrackByFolder(t, t.Album))
}
sub := spec.NewResponse()
sub.Starred = results
return sub
}