Yonah
2e0a3a9bf8
This establishes relation between album and song. Signed-off-by: Yonah <contrib@gensokyo.uk>
57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package monstersirenfetch
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
)
|
|
|
|
// SongResponse is the response of /api/song/%d.
|
|
type SongResponse Response[Song]
|
|
|
|
// Song holds the metadata of a song.
|
|
// Fields marked with omitempty are only populated when the IsFull method returns true.
|
|
type Song struct {
|
|
CID StringInt `json:"cid"`
|
|
Name string `json:"name"`
|
|
AlbumCID StringInt `json:"albumCid"`
|
|
SourceURL string `json:"sourceUrl,omitempty"`
|
|
LyricURL string `json:"lyricUrl,omitempty"`
|
|
MvURL string `json:"mvUrl,omitempty"`
|
|
MvCoverURL string `json:"mvCoverUrl,omitempty"`
|
|
Artists []string `json:"artists"`
|
|
}
|
|
|
|
// IsFull returns whether the metadata held by [Song] is considered full (originating from a [SongResponse]).
|
|
func (s *Song) IsFull() bool { return s.SourceURL != "" }
|
|
|
|
// songDirect is [Song] without its MarshalJSON method.
|
|
type songDirect Song
|
|
|
|
// songNullable is [Song] with corresponding nullable string fields.
|
|
type songNullable struct {
|
|
CID StringInt `json:"cid"`
|
|
Name string `json:"name"`
|
|
AlbumCID StringInt `json:"albumCid"`
|
|
SourceURL string `json:"sourceUrl"`
|
|
LyricURL NullableString `json:"lyricUrl"`
|
|
MvURL NullableString `json:"mvUrl"`
|
|
MvCoverURL NullableString `json:"mvCoverUrl"`
|
|
Artists []string `json:"artists"`
|
|
}
|
|
|
|
func (s *Song) MarshalJSON() (data []byte, err error) {
|
|
buf := new(bytes.Buffer)
|
|
e := json.NewEncoder(buf)
|
|
e.SetEscapeHTML(false)
|
|
|
|
if !s.IsFull() {
|
|
err = e.Encode((*songDirect)(s))
|
|
data = buf.Bytes()
|
|
return
|
|
}
|
|
|
|
return json.Marshal(&songNullable{s.CID, s.Name, s.AlbumCID, s.SourceURL,
|
|
NullableString(s.LyricURL), NullableString(s.MvURL), NullableString(s.MvCoverURL),
|
|
s.Artists})
|
|
}
|