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package errors
import (
"errors"
"net/http"
)
// HTTPError is an augmented error with a HTTP status code.
type HTTPError struct {
StatusCode int
error
}
// Error implements the error interface.
func (e *HTTPError) Error() string {
return e.error.Error()
}
// NewMethodNotAllowed returns an appropriate error in the case that
// an HTTP client uses an invalid method (i.e. a GET in place of a POST)
// on an API endpoint.
func NewMethodNotAllowed(method string) *HTTPError {
return &HTTPError{http.StatusMethodNotAllowed, errors.New(`Method is not allowed:"` + method + `"`)}
}
// NewBadRequest creates a HttpError with the given error and error code 400.
func NewBadRequest(err error) *HTTPError {
return &HTTPError{http.StatusBadRequest, err}
}
// NewBadRequestString returns a HttpError with the supplied message
// and error code 400.
func NewBadRequestString(s string) *HTTPError {
return NewBadRequest(errors.New(s))
}
// NewBadRequestMissingParameter returns a 400 HttpError as a required
// parameter is missing in the HTTP request.
func NewBadRequestMissingParameter(s string) *HTTPError {
return NewBadRequestString(`Missing parameter "` + s + `"`)
}
// NewBadRequestUnwantedParameter returns a 400 HttpError as a unnecessary
// parameter is present in the HTTP request.
func NewBadRequestUnwantedParameter(s string) *HTTPError {
return NewBadRequestString(`Unwanted parameter "` + s + `"`)
}
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