82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
//nolint:revive
|
|
package albuminfocache
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/jinzhu/gorm"
|
|
"go.senan.xyz/gonic/db"
|
|
"go.senan.xyz/gonic/lastfm"
|
|
)
|
|
|
|
const keepFor = 30 * time.Hour * 24
|
|
|
|
type AlbumInfoCache struct {
|
|
db *db.DB
|
|
lastfmClient *lastfm.Client
|
|
}
|
|
|
|
func New(db *db.DB, lastfmClient *lastfm.Client) *AlbumInfoCache {
|
|
return &AlbumInfoCache{db: db, lastfmClient: lastfmClient}
|
|
}
|
|
|
|
func (a *AlbumInfoCache) GetOrLookup(ctx context.Context, albumID int) (*db.AlbumInfo, error) {
|
|
var album db.Album
|
|
if err := a.db.Find(&album, "id=?", albumID).Error; err != nil {
|
|
return nil, fmt.Errorf("find album in db: %w", err)
|
|
}
|
|
if album.TagAlbumArtist == "" || album.TagTitle == "" {
|
|
return nil, fmt.Errorf("no metadata to look up")
|
|
}
|
|
|
|
var albumInfo db.AlbumInfo
|
|
if err := a.db.Find(&albumInfo, "id=?", albumID).Error; err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
|
|
return nil, fmt.Errorf("find album info in db: %w", err)
|
|
}
|
|
|
|
if albumInfo.ID == 0 || time.Since(albumInfo.UpdatedAt) > keepFor {
|
|
return a.Lookup(ctx, &album)
|
|
}
|
|
|
|
return &albumInfo, nil
|
|
}
|
|
|
|
func (a *AlbumInfoCache) Get(ctx context.Context, albumID int) (*db.AlbumInfo, error) {
|
|
var albumInfo db.AlbumInfo
|
|
if err := a.db.Find(&albumInfo, "id=?", albumID).Error; err != nil {
|
|
return nil, fmt.Errorf("find album info in db: %w", err)
|
|
}
|
|
return &albumInfo, nil
|
|
}
|
|
|
|
func (a *AlbumInfoCache) Lookup(ctx context.Context, album *db.Album) (*db.AlbumInfo, error) {
|
|
var albumInfo db.AlbumInfo
|
|
albumInfo.ID = album.ID
|
|
|
|
if err := a.db.FirstOrCreate(&albumInfo, "id=?", albumInfo.ID).Error; err != nil {
|
|
return nil, fmt.Errorf("first or create album info: %w", err)
|
|
}
|
|
if err := a.db.Save(&albumInfo).Error; err != nil {
|
|
return nil, fmt.Errorf("bump updated_at time: %w", err)
|
|
}
|
|
|
|
info, err := a.lastfmClient.AlbumGetInfo(album.TagAlbumArtist, album.TagTitle)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("get upstream info: %w", err)
|
|
}
|
|
|
|
albumInfo.ID = album.ID
|
|
albumInfo.Notes = info.Wiki.Content
|
|
albumInfo.MusicBrainzID = info.MBID
|
|
albumInfo.LastFMURL = info.URL
|
|
|
|
if err := a.db.Save(&albumInfo).Error; err != nil {
|
|
return nil, fmt.Errorf("save upstream info: %w", err)
|
|
}
|
|
|
|
return &albumInfo, nil
|
|
}
|