75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
package ksrv
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"strconv"
|
|
)
|
|
|
|
type responseWriter struct {
|
|
http.ResponseWriter
|
|
StatueCode int
|
|
err string
|
|
}
|
|
|
|
func (w *responseWriter) WriteHeader(statusCode int) {
|
|
if w.StatueCode != 0 {
|
|
return
|
|
}
|
|
w.StatueCode = statusCode
|
|
w.ResponseWriter.WriteHeader(statusCode)
|
|
}
|
|
|
|
func (w *responseWriter) Write(body []byte) (int, error) {
|
|
if w.StatueCode >= 500 {
|
|
w.err = string(body)
|
|
}
|
|
if w.StatueCode == 0 {
|
|
w.WriteHeader(200)
|
|
}
|
|
return w.ResponseWriter.Write(body)
|
|
}
|
|
|
|
// Response shorthand for set status code and write body
|
|
func Response(w http.ResponseWriter, status int, body []byte) (int, error) {
|
|
w.WriteHeader(status)
|
|
return w.Write(body)
|
|
}
|
|
|
|
func JSON(w http.ResponseWriter, value interface{}) (int, error) {
|
|
data, err := json.Marshal(value)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
return w.Write(data)
|
|
}
|
|
|
|
// Abort shorthand for aborting with error, strings and status code could also be passed
|
|
func Abort(w http.ResponseWriter, errs ...interface{}) (int, error) {
|
|
code := 500
|
|
msg := []byte{}
|
|
for _, err := range errs {
|
|
switch v := err.(type) {
|
|
case Error:
|
|
code = v.Code
|
|
w.WriteHeader(code)
|
|
return JSON(w, v)
|
|
case int:
|
|
if v >= 100 || v < 600 {
|
|
code = v
|
|
}
|
|
case string:
|
|
msg = []byte(v)
|
|
case error:
|
|
msg = []byte(v.Error())
|
|
}
|
|
}
|
|
if len(msg) == 0 {
|
|
msg = []byte(strconv.Itoa(code))
|
|
}
|
|
|
|
w.WriteHeader(code)
|
|
return w.Write(msg)
|
|
}
|