photoprism/internal/query/albums.go
Michael Mayer 842da9f09b Backend: Query package refactoring
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-05-08 15:41:01 +02:00

110 lines
2.9 KiB
Go

package query
import (
"fmt"
"strings"
"time"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/pkg/capture"
)
// AlbumResult contains found albums
type AlbumResult struct {
ID uint
CreatedAt time.Time
UpdatedAt time.Time
DeletedAt time.Time
AlbumUUID string
AlbumSlug string
AlbumName string
AlbumDescription string
AlbumNotes string
AlbumOrder string
AlbumTemplate string
AlbumCount int
AlbumFavorite bool
LinkCount int
}
// AlbumByUUID returns a Album based on the UUID.
func AlbumByUUID(albumUUID string) (album entity.Album, err error) {
if err := Db().Where("album_uuid = ?", albumUUID).Preload("Links").First(&album).Error; err != nil {
return album, err
}
return album, nil
}
// AlbumThumbByUUID returns a album preview file based on the uuid.
func AlbumThumbByUUID(albumUUID string) (file entity.File, err error) {
if err := Db().Where("files.file_primary = 1 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").
Joins("JOIN photos ON photos.id = files.photo_id AND photos.photo_private = 0 AND photos.deleted_at IS NULL").
Order("photos.photo_quality DESC, photos.taken_at DESC").
First(&file).Error; err != nil {
return file, err
}
return file, nil
}
// Albums searches albums based on their name.
func Albums(f form.AlbumSearch) (results []AlbumResult, err error) {
if err := f.ParseQueryString(); err != nil {
return results, err
}
defer log.Debug(capture.Time(time.Now(), fmt.Sprintf("albums: %+v", f)))
s := Db().NewScope(nil).DB()
s = s.Table("albums").
Select(`albums.*,
COUNT(photos_albums.album_uuid) AS album_count,
COUNT(links.link_token) AS link_count`).
Joins("LEFT JOIN photos_albums ON photos_albums.album_uuid = albums.album_uuid").
Joins("LEFT JOIN links ON links.share_uuid = albums.album_uuid").
Where("albums.deleted_at IS NULL").
Group("albums.id")
if f.ID != "" {
s = s.Where("albums.album_uuid = ?", f.ID)
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}
if f.Query != "" {
likeString := "%" + strings.ToLower(f.Query) + "%"
s = s.Where("LOWER(albums.album_name) LIKE ?", likeString)
}
if f.Favorites {
s = s.Where("albums.album_favorite = 1")
}
switch f.Order {
case "slug":
s = s.Order("albums.album_favorite DESC, album_slug ASC")
default:
s = s.Order("albums.album_favorite DESC, album_count DESC, albums.created_at DESC")
}
if f.Count > 0 && f.Count <= 1000 {
s = s.Limit(f.Count).Offset(f.Offset)
} else {
s = s.Limit(100).Offset(0)
}
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}