photoprism/internal/entity/label.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

59 lines
1.3 KiB
Go

package entity
import (
"strings"
"github.com/gosimple/slug"
"github.com/jinzhu/gorm"
"github.com/photoprism/photoprism/internal/util"
)
// Labels for photo, album and location categorization
type Label struct {
Model
LabelUUID string `gorm:"unique_index;"`
LabelSlug string `gorm:"type:varchar(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"`
New bool `gorm:"-"`
}
func (m *Label) BeforeCreate(scope *gorm.Scope) error {
if err := scope.SetColumn("LabelUUID", util.UUID()); err != nil {
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 {
db.FirstOrCreate(m, "label_slug = ?", m.LabelSlug)
return m
}
func (m *Label) AfterCreate(scope *gorm.Scope) error {
return scope.SetColumn("New", true)
}