photoprism/internal/entity/label.go
Michael Mayer fbea88bd74 Backend: Add PPID() to rnd package
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-01-12 12:32:24 +01:00

71 lines
1.7 KiB
Go

package entity
import (
"strings"
"time"
"github.com/gosimple/slug"
"github.com/jinzhu/gorm"
"github.com/photoprism/photoprism/internal/mutex"
"github.com/photoprism/photoprism/internal/rnd"
)
// Labels for photo, album and location categorization
type Label struct {
ID uint `gorm:"primary_key"`
LabelUUID string `gorm:"type:varbinary(36);unique_index;"`
LabelSlug string `gorm:"type:varbinary(128);index;"`
LabelName string `gorm:"type:varchar(128);"`
LabelPriority int
LabelFavorite bool
LabelDescription string `gorm:"type:text;"`
LabelNotes string `gorm:"type:text;"`
LabelCategories []*Label `gorm:"many2many:categories;association_jointable_foreignkey:category_id"`
CreatedAt time.Time
UpdatedAt time.Time
DeletedAt *time.Time `sql:"index"`
New bool `gorm:"-"`
}
func (m *Label) BeforeCreate(scope *gorm.Scope) error {
if err := scope.SetColumn("LabelUUID", rnd.PPID('l')); err != nil {
log.Errorf("label: %s", err)
return err
}
return nil
}
func NewLabel(labelName string, labelPriority int) *Label {
labelName = strings.TrimSpace(labelName)
if labelName == "" {
labelName = "Unknown"
}
labelSlug := slug.Make(labelName)
result := &Label{
LabelName: labelName,
LabelSlug: labelSlug,
LabelPriority: labelPriority,
}
return result
}
func (m *Label) FirstOrCreate(db *gorm.DB) *Label {
mutex.Db.Lock()
defer mutex.Db.Unlock()
if err := db.FirstOrCreate(m, "label_slug = ?", m.LabelSlug).Error; err != nil {
log.Errorf("label: %s", err)
}
return m
}
func (m *Label) AfterCreate(scope *gorm.Scope) error {
return scope.SetColumn("New", true)
}