photoprism/internal/repo/album.go
Michael Mayer 1cc8cefc92 Labels: Add cache, fix bugs & improve SQL queries
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2019-12-16 23:33:52 +01:00

96 lines
2.4 KiB
Go

package repo
import (
"fmt"
"strings"
"time"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/internal/util"
)
// AlbumResult contains found albums
type AlbumResult struct {
ID uint
CreatedAt time.Time
UpdatedAt time.Time
DeletedAt time.Time
AlbumUUID string
AlbumSlug string
AlbumName string
AlbumCount int
AlbumFavorite bool
AlbumDescription string
AlbumNotes string
}
// FindAlbumByUUID returns a Album based on the UUID.
func (s *Repo) FindAlbumByUUID(albumUUID string) (album entity.Album, err error) {
if err := s.db.Where("album_uuid = ?", albumUUID).First(&album).Error; err != nil {
return album, err
}
return album, nil
}
// FindAlbumThumbByUUID returns a album preview file based on the uuid.
func (s *Repo) FindAlbumThumbByUUID(albumUUID string) (file entity.File, err error) {
// s.db.LogMode(true)
if err := s.db.Where("files.file_primary AND files.deleted_at IS NULL").
Joins("JOIN albums ON albums.album_uuid = ?", albumUUID).
Joins("JOIN photos_albums pa ON pa.album_uuid = albums.album_uuid AND pa.photo_uuid = files.photo_uuid").
First(&file).Error; err != nil {
return file, err
}
return file, nil
}
// Albums searches albums based on their name.
func (s *Repo) Albums(f form.AlbumSearch) (results []AlbumResult, err error) {
if err := f.ParseQueryString(); err != nil {
return results, err
}
defer util.ProfileTime(time.Now(), fmt.Sprintf("search: %+v", f))
q := s.db.NewScope(nil).DB()
// q.LogMode(true)
q = q.Table("albums").
Select(`albums.*, COUNT(photos_albums.album_uuid) AS album_count`).
Joins("LEFT JOIN photos_albums ON photos_albums.album_uuid = albums.album_uuid").
Where("albums.deleted_at IS NULL").
Group("albums.id")
if f.Query != "" {
likeString := "%" + strings.ToLower(f.Query) + "%"
q = q.Where("LOWER(albums.album_name) LIKE ?", likeString)
}
if f.Favorites {
q = q.Where("albums.album_favorite = 1")
}
switch f.Order {
case "slug":
q = q.Order("albums.album_favorite DESC, album_slug ASC")
default:
q = q.Order("albums.album_favorite DESC, album_count DESC, albums.created_at DESC")
}
if f.Count > 0 && f.Count <= 1000 {
q = q.Limit(f.Count).Offset(f.Offset)
} else {
q = q.Limit(100).Offset(0)
}
if result := q.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}