photoprism/internal/query/albums.go
2021-02-08 14:52:33 +01:00

226 lines
7.5 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"
"github.com/photoprism/photoprism/pkg/txt"
)
// AlbumResult contains found albums
type AlbumResult struct {
ID uint `json:"-"`
AlbumUID string `json:"UID"`
CoverUID string `json:"CoverUID"`
FolderUID string `json:"FolderUID"`
AlbumSlug string `json:"Slug"`
AlbumType string `json:"Type"`
AlbumTitle string `json:"Title"`
AlbumLocation string `json:"Location"`
AlbumCategory string `json:"Category"`
AlbumCaption string `json:"Caption"`
AlbumDescription string `json:"Description"`
AlbumNotes string `json:"Notes"`
AlbumFilter string `json:"Filter"`
AlbumOrder string `json:"Order"`
AlbumTemplate string `json:"Template"`
AlbumPath string `json:"Path"`
AlbumCountry string `json:"Country"`
AlbumYear int `json:"Year"`
AlbumMonth int `json:"Month"`
AlbumDay int `json:"Day"`
AlbumFavorite bool `json:"Favorite"`
AlbumPrivate bool `json:"Private"`
PhotoCount int `json:"PhotoCount"`
LinkCount int `json:"LinkCount"`
CreatedAt time.Time `json:"CreatedAt"`
UpdatedAt time.Time `json:"UpdatedAt"`
DeletedAt time.Time `json:"DeletedAt,omitempty"`
}
type AlbumResults []AlbumResult
// AlbumByUID returns a Album based on the UID.
func AlbumByUID(albumUID string) (album entity.Album, err error) {
if err := Db().Where("album_uid = ?", albumUID).First(&album).Error; err != nil {
return album, err
}
return album, nil
}
// AlbumCoverByUID returns a album preview file based on the uid.
func AlbumCoverByUID(uid string) (file entity.File, err error) {
a := entity.Album{}
if err := Db().Where("album_uid = ?", uid).First(&a).Error; err != nil {
return file, err
} else if a.AlbumType != entity.AlbumDefault { // TODO: Optimize
f := form.PhotoSearch{Album: a.AlbumUID, Filter: a.AlbumFilter, Order: entity.SortOrderRelevance, Count: 1, Offset: 0, Merged: false}
if photos, _, err := PhotoSearch(f); err != nil {
return file, err
} else if len(photos) > 0 {
for _, photo := range photos {
if err := Db().Where("photo_uid = ? AND file_primary = 1", photo.PhotoUID).First(&file).Error; err != nil {
return file, err
} else {
return file, nil
}
}
}
return file, fmt.Errorf("found no cover for moment")
}
if err := Db().Where("files.file_primary = 1 AND files.file_missing = 0 AND files.file_type = 'jpg' AND files.deleted_at IS NULL").
Joins("JOIN albums ON albums.album_uid = ?", uid).
Joins("JOIN photos_albums pa ON pa.album_uid = albums.album_uid AND pa.photo_uid = files.photo_uid AND pa.hidden = 0").
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
}
// AlbumPhotos returns up to count photos from an album.
func AlbumPhotos(a entity.Album, count int) (results PhotoResults, err error) {
results, _, err = PhotoSearch(form.PhotoSearch{
Album: a.AlbumUID,
Filter: a.AlbumFilter,
Count: count,
Offset: 0,
})
return results, err
}
// AlbumSearch searches albums based on their name.
func AlbumSearch(f form.AlbumSearch) (results AlbumResults, err error) {
if err := f.ParseQueryString(); err != nil {
return results, err
}
defer log.Debug(capture.Time(time.Now(), fmt.Sprintf("albums: search %s", form.Serialize(f, true))))
// Base query.
s := UnscopedDb().Table("albums").
Select("albums.*, cp.photo_count, cl.link_count").
Joins("LEFT JOIN (SELECT album_uid, count(photo_uid) AS photo_count FROM photos_albums WHERE hidden = 0 AND missing = 0 GROUP BY album_uid) AS cp ON cp.album_uid = albums.album_uid").
Joins("LEFT JOIN (SELECT share_uid, count(share_uid) AS link_count FROM links GROUP BY share_uid) AS cl ON cl.share_uid = albums.album_uid").
Where("albums.album_type <> 'folder' OR albums.album_path IN (SELECT photo_path FROM photos WHERE photo_private = 0 AND photo_quality > -1 AND deleted_at IS NULL)").
Where("albums.deleted_at IS NULL")
// Limit result count.
if f.Count > 0 && f.Count <= MaxResults {
s = s.Limit(f.Count).Offset(f.Offset)
} else {
s = s.Limit(MaxResults).Offset(f.Offset)
}
// Set sort order.
switch f.Order {
case "slug":
s = s.Order("albums.album_favorite DESC, album_slug ASC")
default:
s = s.Order("albums.album_favorite DESC, albums.album_year DESC, albums.album_month DESC, albums.album_day DESC, albums.album_title, albums.created_at DESC")
}
if f.ID != "" {
s = s.Where("albums.album_uid IN (?)", strings.Split(f.ID, Or))
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}
if f.Query != "" {
likeString := "%" + f.Query + "%"
s = s.Where("albums.album_title LIKE ? OR albums.album_location LIKE ?", likeString, likeString)
}
if f.Type != "" {
s = s.Where("albums.album_type IN (?)", strings.Split(f.Type, Or))
}
if f.Category != "" {
s = s.Where("albums.album_category IN (?)", strings.Split(f.Category, Or))
}
if f.Location != "" {
s = s.Where("albums.album_location IN (?)", strings.Split(f.Location, Or))
}
if f.Country != "" {
s = s.Where("albums.album_country IN (?)", strings.Split(f.Country, Or))
}
if f.Favorite {
s = s.Where("albums.album_favorite = 1")
}
if (f.Year > 0 && f.Year <= txt.YearMax) || f.Year == entity.YearUnknown {
s = s.Where("albums.album_year = ?", f.Year)
}
if (f.Month >= txt.MonthMin && f.Month <= txt.MonthMax) || f.Month == entity.MonthUnknown {
s = s.Where("albums.album_month = ?", f.Month)
}
if (f.Day >= txt.DayMin && f.Month <= txt.DayMax) || f.Day == entity.DayUnknown {
s = s.Where("albums.album_day = ?", f.Day)
}
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}
// UpdateAlbumDates updates album year, month and day based on indexed photo metadata.
func UpdateAlbumDates() error {
switch DbDialect() {
case MySQL:
return UnscopedDb().Exec(`UPDATE albums
INNER JOIN
(SELECT photo_path, MAX(taken_at_local) AS taken_max
FROM photos WHERE taken_src = 'meta' AND photos.photo_quality >= 3 AND photos.deleted_at IS NULL
GROUP BY photo_path) AS p ON albums.album_path = p.photo_path
SET albums.album_year = YEAR(taken_max), albums.album_month = MONTH(taken_max), albums.album_day = DAY(taken_max)
WHERE albums.album_type = 'folder' AND albums.album_path IS NOT NULL AND p.taken_max IS NOT NULL`).Error
default:
return nil
}
}
// UpdateMissingAlbumEntries sets a flag for missing photo album entries.
func UpdateMissingAlbumEntries() error {
switch DbDialect() {
default:
return UnscopedDb().Exec(`UPDATE photos_albums SET missing = 1 WHERE photo_uid IN
(SELECT photo_uid FROM photos WHERE deleted_at IS NOT NULL OR photo_quality < 0)`).Error
}
}
// AlbumEntryFound removes the missing flag from album entries.
func AlbumEntryFound(uid string) error {
switch DbDialect() {
default:
return UnscopedDb().Exec(`UPDATE photos_albums SET missing = 0 WHERE photo_uid = ?`, uid).Error
}
}
// GetAlbums returns a slice of albums.
func GetAlbums(offset, limit int) (results entity.Albums, err error) {
err = UnscopedDb().Table("albums").Select("*").Offset(offset).Limit(limit).Find(&results).Error
return results, err
}