92 lines
1.6 KiB
Go
92 lines
1.6 KiB
Go
package model
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import (
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"errors"
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"fmt"
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"strings"
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"golang.org/x/exp/slices"
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)
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type Kind struct{ prefix string }
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var (
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KindMediaFileArtwork = Kind{"mf"}
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KindArtistArtwork = Kind{"ar"}
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KindAlbumArtwork = Kind{"al"}
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KindPlaylistArtwork = Kind{"pl"}
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)
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var artworkKindList = []string{
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KindMediaFileArtwork.prefix,
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KindArtistArtwork.prefix,
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KindAlbumArtwork.prefix,
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KindPlaylistArtwork.prefix,
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}
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type ArtworkID struct {
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Kind Kind
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ID string
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}
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func (id ArtworkID) String() string {
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if id.ID == "" {
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return ""
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}
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return fmt.Sprintf("%s-%s", id.Kind.prefix, id.ID)
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}
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func NewArtworkID(kind Kind, id string) ArtworkID {
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return ArtworkID{kind, id}
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}
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func ParseArtworkID(id string) (ArtworkID, error) {
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parts := strings.SplitN(id, "-", 2)
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if len(parts) != 2 {
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return ArtworkID{}, errors.New("invalid artwork id")
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}
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if !slices.Contains(artworkKindList, parts[0]) {
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return ArtworkID{}, errors.New("invalid artwork kind")
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}
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return ArtworkID{
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Kind: Kind{parts[0]},
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ID: parts[1],
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}, nil
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}
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func MustParseArtworkID(id string) ArtworkID {
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artID, err := ParseArtworkID(id)
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if err != nil {
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panic(artID)
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}
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return artID
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}
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func artworkIDFromAlbum(al Album) ArtworkID {
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return ArtworkID{
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Kind: KindAlbumArtwork,
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ID: al.ID,
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}
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}
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func artworkIDFromMediaFile(mf MediaFile) ArtworkID {
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return ArtworkID{
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Kind: KindMediaFileArtwork,
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ID: mf.ID,
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}
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}
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func artworkIDFromPlaylist(pls Playlist) ArtworkID {
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return ArtworkID{
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Kind: KindPlaylistArtwork,
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ID: pls.ID,
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}
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}
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func artworkIDFromArtist(ar Artist) ArtworkID {
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return ArtworkID{
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Kind: KindArtistArtwork,
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ID: ar.ID,
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}
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}
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