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replace BadStatusCodeErr to BadStatusCodeError #2

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merged 1 commit into from
Aug 28, 2020
Merged

replace BadStatusCodeErr to BadStatusCodeError #2

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12 changes: 10 additions & 2 deletions googp.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,18 @@ import (
)

var (
BadStatusCodeErr = errors.New("Bad status code")
UnsupportedPageErr = errors.New("Unsupported page")
)

// BadStatusCodeError is an error returned when the status code is not 200 in Fetch.
type BadStatusCodeError struct {
StatusCode int
}

func (err BadStatusCodeError) Error() string {
return fmt.Sprintf("Bad status code (%d)", err.StatusCode)
}

// Fetch the content from the URL and parse OGP information.
func Fetch(rawurl string, i interface{}, opts ...ParserOpts) error {
res, err := http.Get(rawurl)
Expand All @@ -20,7 +28,7 @@ func Fetch(rawurl string, i interface{}, opts ...ParserOpts) error {
}

if res.StatusCode != 200 {
return fmt.Errorf("%w (%d)", BadStatusCodeErr, res.StatusCode)
return &BadStatusCodeError{StatusCode: res.StatusCode}
}

ct := res.Header.Get("Content-Type")
Expand Down