206aac5747
- Package names are preferred to be in singular form¹. - Since errors are just for HTTP and not generic, I changed the base name to 'http'. - I didn't name it simply 'error', because it would then conflict with the - standard 'error' interface. ¹: https://rakyll.org/style-packages/
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
/*
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* Copyright 2019 Banco Bilbao Vizcaya Argentaria, S.A.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package http
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import (
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"encoding/json"
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"errors"
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"io/ioutil"
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"net/http"
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"github.com/BBVA/kapow/internal/server/httperror"
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)
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// Reason returns the reason phrase embedded within the JSON error
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// body, or an error if no reason can be extracted
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func Reason(r *http.Response) (string, error) {
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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return "", errors.New("error reading response's body")
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}
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reason := &httperror.ServerErrMessage{}
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err = json.Unmarshal(body, reason)
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if err != nil {
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return "", errors.New("error unmarshaling JSON")
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}
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if reason.Reason == "" {
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return "", errors.New("no reason")
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}
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return reason.Reason, nil
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}
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