package entity import ( "strings" "time" "github.com/gosimple/slug" ) // Lens represents camera lens (as extracted from UpdateExif metadata) type Lens struct { ID uint `gorm:"primary_key"` LensSlug string `gorm:"type:varbinary(255);unique_index;"` LensModel string LensMake string LensType string LensOwner string LensDescription string `gorm:"type:text;"` LensNotes string `gorm:"type:text;"` CreatedAt time.Time UpdatedAt time.Time DeletedAt *time.Time `sql:"index"` } var UnknownLens = Lens{ LensModel: "Unknown", LensMake: "", LensSlug: "zz", } // CreateUnknownLens initializes the database with an unknown lens if not exists func CreateUnknownLens() { UnknownLens.FirstOrCreate() } // TableName returns Lens table identifier "lens" func (Lens) TableName() string { return "lenses" } // NewLens creates a new lens in database func NewLens(modelName string, makeName string) *Lens { modelName = strings.TrimSpace(modelName) makeName = strings.TrimSpace(makeName) lensSlug := slug.MakeLang(modelName, "en") if modelName == "" { return &UnknownLens } result := &Lens{ LensModel: modelName, LensMake: makeName, LensSlug: lensSlug, } return result } // FirstOrCreate checks if the lens already exists in the database func (m *Lens) FirstOrCreate() *Lens { if err := Db().FirstOrCreate(m, "lens_slug = ?", m.LensSlug).Error; err != nil { log.Errorf("lens: %s", err) } return m }