autoscaler/cluster-autoscaler/cloudprovider/hetzner/hcloud-go/hcloud/client_handler_parse.go

51 lines
1.0 KiB
Go

package hcloud
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/hetzner/hcloud-go/hcloud/schema"
)
func wrapParseHandler(wrapped handler) handler {
return &parseHandler{wrapped}
}
type parseHandler struct {
handler handler
}
func (h *parseHandler) Do(req *http.Request, v any) (resp *Response, err error) {
// respBody is not needed down the handler chain
resp, err = h.handler.Do(req, nil)
if err != nil {
return resp, err
}
if resp.hasJSONBody() {
// Parse the response meta
var s schema.MetaResponse
if err := json.Unmarshal(resp.body, &s); err != nil {
return resp, fmt.Errorf("hcloud: error reading response meta data: %w", err)
}
if s.Meta.Pagination != nil {
p := PaginationFromSchema(*s.Meta.Pagination)
resp.Meta.Pagination = &p
}
}
// Parse the response schema
if v != nil {
if w, ok := v.(io.Writer); ok {
_, err = io.Copy(w, bytes.NewReader(resp.body))
} else {
err = json.Unmarshal(resp.body, v)
}
}
return resp, err
}