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utils/transport/v1/http/codec.go

67 lines
1.6 KiB

package http
import (
"fmt"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/transport/http"
stdhttp "net/http"
"strings"
)
const (
baseContentType = "application"
)
type Response struct {
Code int `json:"code" form:"code"`
Data interface{} `json:"data" form:"data"`
Reason string `json:"reason" form:"reason"`
Message string `json:"message" form:"message"`
}
func ResponseEncoder(w stdhttp.ResponseWriter, r *stdhttp.Request, v interface{}) error {
if v == nil {
return nil
}
codec, _ := http.CodecForRequest(r, "Accept")
data, err := codec.Marshal(v)
if err != nil {
return err
}
application := strings.Join([]string{baseContentType, codec.Name()}, "/")
w.Header().Set("Content-Type", application)
d := fmt.Sprintf(`{"code": 0,"data": %s,"reason": "","message": ""}`, string(data))
_, err = w.Write([]byte(d))
if err != nil {
return err
}
return nil
}
func ErrorEncoderPro(w stdhttp.ResponseWriter, r *stdhttp.Request, err error) {
se := errors.FromError(err)
if _, ok := err.(*errors.Error); !ok {
se.Reason = "InternalServerError"
se.Code = stdhttp.StatusInternalServerError
se.Message = "internal server error"
}
codec, _ := http.CodecForRequest(r, "Accept")
body, err := codec.Marshal(se)
if err != nil {
w.WriteHeader(stdhttp.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", ContentType(codec.Name()))
w.WriteHeader(int(se.Code))
_, _ = w.Write(body)
}
// ContentType returns the content-type with base prefix.
func ContentType(subtype string) string {
return strings.Join([]string{baseContentType, subtype}, "/")
}