/
counts.go
82 lines (64 loc) · 1.95 KB
/
counts.go
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package analysis
import (
"github.com/go-pg/pg/v10"
"github.com/jivison/gowon-indexer/lib/customerrors"
"github.com/jivison/gowon-indexer/lib/db"
)
func (a Analysis) ArtistTopAlbums(userID int64, artistID int64) ([]db.AlbumCount, error) {
var topAlbums []db.AlbumCount
err := db.Db.Model(&topAlbums).Relation("Album").Where("user_id = ?", userID).Where("artist_id = ?", artistID).Order("playcount desc").Select()
if err != nil {
return nil, customerrors.DatabaseUnknownError()
}
return topAlbums, nil
}
type AmbiguousTrackCount struct {
Playcount int
Name string
}
func (a Analysis) ArtistTopTracks(userID int64, artistID int64) ([]AmbiguousTrackCount, error) {
var topTracks []AmbiguousTrackCount
err := db.Db.Model((*db.TrackCount)(nil)).
Relation("Track._").
ColumnExpr("sum(playcount) as playcount").
Column("name").
Where("user_id = ?", userID).
Where("artist_id = ?", artistID).
Order("playcount desc").
Group("name").
Select(&topTracks)
if err != nil {
return nil, customerrors.DatabaseUnknownError()
}
return topTracks, nil
}
func (a Analysis) AlbumTopTracks(userID int64, albumID int64) ([]AmbiguousTrackCount, error) {
var topTracks []AmbiguousTrackCount
err := db.Db.Model((*db.TrackCount)(nil)).
Relation("Track._").
ColumnExpr("sum(playcount) as playcount").
Column("name").
Where("user_id = ?", userID).
Where("album_id = ?", albumID).
Order("playcount desc").
Group("name").
Select(&topTracks)
if err != nil {
return nil, customerrors.DatabaseUnknownError()
}
return topTracks, nil
}
func (a Analysis) TrackTopAlbums(userID int64, trackIDs []int64) ([]db.TrackCount, error) {
var topTracks []db.TrackCount
err := db.Db.Model(&topTracks).
Relation("Track").
Relation("Track.Album").
Where("user_id = ?", userID).
Where("track_id IN (?)", pg.In(trackIDs)).
Order("playcount desc").
Select()
if err != nil {
return nil, customerrors.DatabaseUnknownError()
}
return topTracks, nil
}