handler

Documentation

Index

• Variables
• type Error
  • func NewError(code int, message string) Error
• type Handler
  • func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)
• type StatusError
  • func (se StatusError) Error() string
  • func (se StatusError) Status() int

Variables

var (
	// ErrInvalidOrder returned, when order parameter is not ASC or DESC.
	ErrInvalidOrder = NewError(http.StatusBadRequest, "params.order.is_not_valid")
	// ErrInvalidLimit returned, when limit parameter can not be parsed into uint64.
	ErrInvalidLimit = NewError(http.StatusBadRequest, "params.limit.is_not_valid")
)

Types

type Error

type Error interface {
	error
	Status() int
}

Error represents a handler error. It provides methods for a HTTP status code and embeds the built-in error interface.

func NewError

func NewError(code int, message string) Error

NewError creates new error instance.

type Handler

type Handler func(w http.ResponseWriter, r *http.Request) error

The Handler helps to handle errors in one place.

func (Handler) ServeHTTP

func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)

ServeHTTP allows our Handler type to satisfy http.Handler.

type StatusError

type StatusError struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
}

StatusError represents error with http status code.

func (StatusError) Error

func (se StatusError) Error() string

Error allows StatusError to satisfy the error interface.

func (StatusError) Status

func (se StatusError) Status() int

Status returns our HTTP status code.