/
response.go
81 lines (66 loc) · 1.94 KB
/
response.go
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package http
import (
"encoding/json"
"log/slog"
"net/http"
"github.com/isutare412/web-memo/api/internal/pkgerr"
)
type errorResponse struct {
Msg string `json:"msg"`
}
func responseError(w http.ResponseWriter, _ *http.Request, err error) {
var (
statusCode = http.StatusInternalServerError
body errorResponse
)
if kerr, ok := pkgerr.AsKnown(err); ok {
statusCode = kerr.Code.ToHTTPStatusCode()
switch {
case statusCode >= http.StatusInternalServerError:
slog.Error("5xx error occurred", "error", err, "code", kerr.Code, "httpStatusCode", statusCode)
case statusCode >= http.StatusBadRequest:
slog.Info("4xx error occurred", "error", err, "code", kerr.Code, "httpStatusCode", statusCode)
}
if kerr.ClientMsg != "" {
body.Msg = kerr.ClientMsg
}
} else {
slog.Error("unknown error occurred", "error", err, "httpStatusCode", statusCode)
}
if body.Msg == "" {
body.Msg = http.StatusText(statusCode)
}
bodyBytes, marhsalErr := json.Marshal(&body)
if marhsalErr != nil {
slog.Error("failed to marshap error response", "error", marhsalErr)
}
header := w.Header()
header.Set("Content-Type", "application/json")
w.WriteHeader(statusCode)
if _, err := w.Write(bodyBytes); err != nil {
slog.Error("failed to write error response as HTTP response", "error", err)
return
}
}
func responsePassportError(w http.ResponseWriter, r *http.Request) {
responseError(w, r, pkgerr.Known{
Code: pkgerr.CodeUnauthenticated,
ClientMsg: "need token",
})
}
func responseJSON(w http.ResponseWriter, obj any) {
bytes, err := json.Marshal(obj)
if err != nil {
slog.Error("failed to marshal HTTP response", "error", err)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
if _, err := w.Write(bytes); err != nil {
slog.Error("failed to write JSON bytes as HTTP response", "error", err)
return
}
}
func responseStatusCode(w http.ResponseWriter, code int) {
w.WriteHeader(code)
}