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