username

Documentation

Index

• Constants
• Variables
• type NilUsername
  • func (nu *NilUsername) Base() string
  • func (nu *NilUsername) ID() int
  • func (nu *NilUsername) IsNil() bool
  • func (nu *NilUsername) String() string
  • func (nu *NilUsername) StringWithoutAt() string
• type Username
  • func NewUsername(base string, id int) (Username, error)
  • func Parse(user string) (uname Username, err error)

Constants

const UsernameMaxLen = 40

const UsernameMinLen = 3

Variables

var (
	ErrInvalidUsername = errors.New("Invalid username")
	ErrUnexpected      = errors.New("unknown error")
)

var (
	ErrInvalidUsernameBase = errors.New("Invalid username base")
)

var UsernameBaseRegexp = fmt.Sprintf(
	`^(?:@)?[a-zA-Z0-9]{%d,%d}$`,
	UsernameMinLen, UsernameMaxLen)

var UsernameRegexp = fmt.Sprintf(`%s:[0-9]+$`, UsernameBaseRegexp)

Types

type NilUsername

type NilUsername struct{}

func (*NilUsername) Base

func (nu *NilUsername) Base() string

func (*NilUsername) ID

func (nu *NilUsername) ID() int

func (*NilUsername) IsNil

func (nu *NilUsername) IsNil() bool

func (*NilUsername) String

func (nu *NilUsername) String() string

func (*NilUsername) StringWithoutAt

func (nu *NilUsername) StringWithoutAt() string

type Username

type Username interface {
	// 4nd3rs0n
	IsNil() bool
	Base() string
	// 666
	ID() int

	// @4nd3rs0n:666
	String() string
	// 4nd3rs0n:666
	StringWithoutAt() string
}

Username: (@)<base>:<id>

func NewUsername

func NewUsername(base string, id int) (Username, error)

func Parse

func Parse(user string) (uname Username, err error)