dao

type PostgresDao interface {
	Get() (*[]image.Material, error)
	GetOne(uint) (*image.Material, error)
	Create(*image.Material) error
	Update(*image.Material) error
	Delete(uint) error
}

type RedisDao interface {
	Set(string, string) error
	Get(string) (string, error)
	Flush() error
}

type StorageDao interface {
	CheckExists(string, string) (bool, error)
	GetObject(string, string) ([]byte, error)
	WriteObject(string, string, string, []byte) error
	RemoveObject(string, string) (bool, error)
}