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package http
import (
"encoding/json"
"github.com/spiral/roadrunner"
"net/http"
"io"
)
// Response handles PSR7 response logic.
type Response struct {
// Status contains response status.
Status int `json:"status"`
// Headers contains list of response headers.
Headers map[string][]string `json:"headers"`
// associated body payload.
body interface{}
}
// NewResponse creates new response based on given roadrunner payload.
func NewResponse(p *roadrunner.Payload) (*Response, error) {
r := &Response{body: p.Body}
if err := json.Unmarshal(p.Context, r); err != nil {
return nil, err
}
return r, nil
}
// Write writes response headers, status and body into ResponseWriter.
func (r *Response) Write(w http.ResponseWriter) error {
for k, v := range r.Headers {
for _, h := range v {
w.Header().Add(k, h)
}
}
w.WriteHeader(r.Status)
if data, ok := r.body.([]byte); ok {
w.Write(data)
}
if rc, ok := r.body.(io.Reader); ok {
if _, err := io.Copy(w, rc); err != nil {
return err
}
}
return nil
}
|
